The actions which is taken to ensure "data-integrity" is maintained during "simultaneous-transactions" are called concurrency control actions, option (c) is correct.
The "Concurrency-Control" refers to techniques and mechanisms which is used to manage and coordinate concurrent access to shared resources, such as databases, to prevent conflicts and maintain data consistency.
It involves managing the execution of multiple transactions in a way that ensures data integrity, avoids conflicts, and preserves the correctness of the overall system.
The "Concurrency-Control" actions can include locking mechanisms, isolation levels, transaction scheduling, and conflict resolution strategies. These actions are crucial in maintaining data integrity and ensuring that multiple transactions can safely execute concurrently without interfering with each other.
Therefore, the correct option is (c).
Learn more about Concurrency Control here
https://brainly.com/question/14209825
#SPJ4
The given question is incomplete, the complete question is
The actions that must be taken to ensure data integrity is maintained during multiple simultaneous transactions are called ________ actions.
(a) logging
(b) multiple management
(c) concurrency control
(d) transaction authorization.
What is the slope of the line on the graph?
_____ refers to deliberate efforts to provide full and equal opportunities in employment, education, and other areas for members of traditionally disadvantaged groups and applies only to organizations that receive federal funding.
Affirmative-Action refers to "deliberate-efforts" to provide full and equal opportunities in education, employment and other areas for members of disadvantaged groups.
The "Affirmative-Action" has the policies and practices that aim to eliminate discrimination and promote diversity by giving preferential treatment to individuals from underrepresented or historically disadvantaged groups.
These policies involve steps such as setting specific recruitment goals, implementing targeted outreach programs, and considering race, ethnicity, gender, or other factors in the selection process.
It is important to note that affirmative action policies are associated with organizations that receive federal funding, as they are subject to certain legal requirements and regulations.
Learn more about Affirmative Action here
https://brainly.com/question/1163395
#SPJ4
Calculate the height (in m) of a cliff if it takes 2.20 s for a rock to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.10 m/s. (Enter a number.)
The height of the cliff is 0.3m
How to determine the valueThe formula for calculating velocity is expressed as;
v² = 2gh
Such that the parameters are;
V is the velocityg is the acceleration due to gravityh is the heightNow, from the information given, substitute the values into the formula, we get;
(8.10)²= 2 ×10 × h
Multiply the values, we have;
65.61 = 20h
Divide both sides by the coefficient of the variable h, we get;
h = 20/65.61
Divide the values, we have;
h = 0.30m
Learn more about initial velocity at: https://brainly.com/question/19365526
#SPJ1
In the diagram, the measure of angle ACB is 25 degrees. What is the measure of angle AOB?
Answer:
50 degrees
Step-by-step explanation:
There is a rule that says, x=2x, which means angle with 2 endpoints at the circumference and touches the center of the circle(AOB in this case) is twice the angle that is formed from the same endpoints and touches the circumference. (This is a overcomplicated definition)
So, if ACB is 25degrees, then AOB is twice that which is 50degrees.
zia homes is contracted to frame 32 wooden houses of the same design in a new subdivision of 300 homes. the fourth unit took 360 hours, but the company expects to cut about 12% off the time for each replication of the same design. use the learning curve assumption of a constant decrease with each doubling of production to estimate past completion times (units 1 and 2) and the completion time for units 8 and 32. round to the nearest hour. the completion time for unit 1 was hours. the completion time for unit 2 was hours. the completion time for unit 8 is hours. the completion time for unit 32 is hours.
using the learning curve assumption,
The completion time for unit 1 is 360 hours.
The completion time for unit 2 is approximately 378 hours.
The completion time for unit 8 is approximately 430 hours.
The completion time for unit 32 is approximately 586 hours.
What is learning curve?
A learning curve is a graphical representation or mathematical model that illustrates the relationship between learning or experience and performance or productivity over time.
To estimate the completion times using the learning curve assumption, we'll use the formula:
[tex]T = T1 * (N^b)[/tex]
Where:
T is the completion time for a particular unit.
T1 is the completion time for the initial unit.
N is the cumulative production quantity.
b is the learning curve coefficient.
Given information:
T1 (completion time for unit 1) = 360 hours
b (learning curve coefficient) = 0.12 (12% reduction per replication)
N (cumulative production quantity):
For unit 2: N = 2
For unit 8: N = 8
For unit 32: N = 32
Now let's calculate the completion times:
For unit 1:
[tex]T = T1 * (N^b)\\\\T = 360 * (1^0.12) = 360\ hours[/tex]
For unit 2:
[tex]T = T1 * (N^b)[/tex]
[tex]T = 360 * (2^0.12)[/tex] ≈ 378 hours (rounded to the nearest hour)
For unit 8:
[tex]T = T1 * (N^b)[/tex]
[tex]T = 360 * (8^0.12)[/tex] ≈ 430 hours (rounded to the nearest hour)
For unit 32:
[tex]T = T1 * (N^b)[/tex]
[tex]T = 360 * (32^0.12)[/tex] ≈ 586 hours (rounded to the nearest hour)
The completion time for unit 1 is 360 hours.
The completion time for unit 2 is approximately 378 hours.
The completion time for unit 8 is approximately 430 hours.
The completion time for unit 32 is approximately 586 hours.
To learn more about learning curve visit:
https://brainly.com/question/14415844
#SPJ4
global warming leads to a poleward displacement of midlatitude cyclone tracks. global warming is unrelated to midlatitude cyclone tracks. greenhouse gas emissions have little to do with the atmospheric greenhouse effect. the conveyor belt model is inconsistent with greenhouse theory.
The statement "global warming leads to a poleward displacement of midlatitude cyclone tracks" is generally supported by scientific evidence and is widely accepted by the scientific community.
This is because the increase in global temperatures due to global warming affects atmospheric circulation patterns, leading to shifts in weather systems, including midlatitude cyclones.
On the other hand, the statement "global warming is unrelated to midlatitude cyclone tracks" is not supported by scientific consensus.
The statement "greenhouse gas emissions have little to do with the atmospheric greenhouse effect" is incorrect. Greenhouse gas emissions, such as carbon dioxide and methane, are major contributors to the greenhouse effect, which is responsible for trapping heat in the Earth's atmosphere.
Lastly, the statement "the conveyor belt model is inconsistent with greenhouse theory" is also incorrect. The conveyor belt model, also known as the thermohaline circulation, describes the movement of ocean currents that play a significant role in distributing heat around the globe. While it is not directly related to the greenhouse effect, it is not inconsistent with greenhouse theory and operates independently to transport heat in the ocean.
Learn more about emissions here : brainly.com/question/32207902
#SPJ11
Prospective Enterprises (PE) employs Quinn to buy property for a possible commercial development. Quinn secretly buys some of the property and sells it to PE at a profit. Quinn has breached: Group of answer choices the duty of notification. the duty of accounting. no duty. the duty of loyalty.
Quinn has breached duty of loyalty by secretly buys some of the property and sells it to PE at a profit.
Quinn has breached the duty of loyalty.
The duty of loyalty is a fiduciary duty that requires an agent to act solely in the best interest of their principal and avoid any conflicts of interest. In this scenario, Quinn, as an agent of PE, secretly buys some of the property and sells it to PE at a profit without disclosing this information. By doing so, Quinn puts their personal interest above the interest of PE, which is a breach of the duty of loyalty.
To know more about duty of loyalty click here :
https://brainly.com/question/30713569
#SPJ4
Anita is very dissatisfied with her job situation, but she does not perceive any other employment opportunities, so she stays and spends most of the workday dreaming about non-work matters. What is Anita experiencing
Based on the provided information, Anita is experiencing job dissatisfaction and engaging in frequent daydreaming during her workday. This can be indicative of a phenomenon known as "workplace disengagement" or "disengagement syndrome."
Workplace disengagement refers to a state in which an individual feels disconnected, uninterested, or disinterested in their job. It often arises when employees perceive a lack of opportunities for growth or advancement, feel unfulfilled by their current role, or experience dissatisfaction with their work environment. Anita's lack of perception regarding other employment opportunities suggests a feeling of being trapped or limited in her current job. Consequently, she resorts to daydreaming as a means of escapism or a way to mentally detach from her dissatisfying work situation.
It is important for Anita to address her job dissatisfaction and explore potential solutions. This could involve seeking career counseling, networking to identify other job opportunities, or discussing her concerns with a supervisor or HR representative. Taking proactive steps to address the underlying issues can lead to a more fulfilling work experience.
To know more about strategies for addressing job dissatisfaction, click here: brainly.com/question/29847581
#SPJ11
If f(x) = -x² + 3x + 5 and g(x) = x² + 2x, which graph shows the graph of (f+g)(x)?
864-2
Du
6
4
24
-2
4
99 99
-8
←
HE
←
00
2
68x
The graph that show the function (f+g)(x) is A
What are functions?Functions are defined as expressions, equations, laws that are used to show the relationship between two variables.
These variables are listed as;
Independent variableDependent variableFrom the information given, we have the functions are;
f(x) = -x² + 3x + 5 and g(x) = x² + 2x,
To determine the composite functions are;
(f + g)(x)
Now, substitute the values
-x² + 3x + 5 + x² + 2x
collect the terms, we have;
5x + 5
Learn more about functions at: https://brainly.com/question/25638609
#SPJ1
The perimeter of this isosceles triangle is 22 cm. if one side is 6 cm, what are the possible lengths of the other two sides? 8 and 8 part b explain how you know. provide at least one reason for your answer.
The possible lengths of the other two sides of the isosceles triangle, given that one side is 6 cm and the perimeter is 22 cm, are 8 cm and 8 cm.
In an isosceles triangle, two sides are congruent (equal in length). Let's denote the length of the two congruent sides as 'x'. The perimeter of the triangle is the sum of all three sides, so we have the equation:
6 + x + x = 22
Simplifying the equation, we get:
2x + 6 = 22
2x = 22 - 6
2x = 16
x = 8
Hence, the other two sides of the isosceles triangle can have a length of 8 cm each. This result is obtained by solving the equation formed by equating the sum of the given side (6 cm) and the two congruent sides (x and x) to the perimeter of the triangle (22 cm). The equation is solved by isolating the variable 'x' and finding its value, which turns out to be 8. Therefore, the other two sides of the triangle are also 8 cm each, making the triangle an isosceles triangle with side lengths of 6 cm, 8 cm, and 8 cm.
Learn more about isosceles triangle here:
https://brainly.com/question/29774496
#SPJ11
Examples of substantive procedures include _______. A. observation B. inquiry C. All of these answer choices are correct. D. confirmation
Examples of substantive procedures, which are used in auditing, include observation, inquiry, confirmation, and more.
Substantive procedures are specific audit procedures performed to gather evidence and assess the reasonableness of financial statement assertions. These procedures aim to obtain substantive evidence about the accuracy, completeness, and validity of the financial information.
Examples of substantive procedures include observation, where auditors directly witness a process or activity, such as counting physical inventory. Inquiry involves seeking information from management or other personnel regarding financial transactions or events. Confirmation refers to the direct communication with third parties, such as banks or customers, to verify the accuracy of reported balances or transactions.
Other examples of substantive procedures include analytical procedures, inspection of records and documents, and reperformance of calculations or controls. Therefore, all answer choices (A. observation, B. inquiry, C. All of these answer choices are correct, and D. confirmation) are valid examples of substantive procedures in auditing.
Learn more about auditing here:
https://brainly.com/question/14652228
#SPJ11
Management by objectives is a management system that incorporates _____. Hedonism Equity theory Expectancy theory Cognitive dissonance theory Goal setting
Management by objectives (MBO) is a management system that incorporates goal setting as its central principle.
It emphasizes the establishment of clear, measurable objectives for individuals and teams within an organization, aligning their efforts with overall organizational goals and strategies. MBO provides a framework for performance management and evaluation, allowing managers and employees to work together to define objectives, set targets, and track progress towards achieving those goals.
The goal-setting aspect of MBO is supported by various theories and principles. Firstly, the concept of goal setting itself is a fundamental component of MBO. It is based on the idea that setting specific, challenging, and attainable goals can motivate individuals and enhance performance. The expectancy theory comes into play as well, as MBO assumes that individuals are motivated to achieve their goals when they believe that their efforts will lead to successful performance and desired central outcomes.
Additionally, cognitive dissonance theory suggests that MBO can help reduce cognitive dissonance by providing individuals with clear objectives and performance expectations, minimizing conflicts between their attitudes and behaviors. While hedonism and equity theory are not directly incorporated into MBO, they may indirectly influence individuals' motivation and satisfaction as they work towards their objectives within the MBO framework.
In summary, Management by Objectives (MBO) is a management system that revolves around goal setting. It incorporates various theories and principles such as goal setting theory, expectancy theory, and cognitive dissonance theory. By setting clear objectives, aligning efforts, and tracking progress, MBO provides a structured approach to performance management and encourages individuals and teams to work towards achieving organizational goals.
Learn more about Central:
brainly.com/question/16831377
#SPJ11
Taylor has $ 6.40 $6.40 in dimes and nickles in her car. The number of nickles is two more than the number of dimes. How many of each type of coin does she have
If number of nickels is 2 more than number of dimes, then she have 42 dimes and 44 nickels.
Let us assume that Taylor has "x" dimes,
So, the number of nickels will be = "x + 2" nickels.
The value of each dime is $0.10, so, total value of dimes is : 0.10x dollars.
The value of each nickel is $0.05, so total-value of nickels is : 0.05(x + 2) dollars.
we also know that, the total value of the coins is $6.40.
So, the equation can be written as :
0.10x + 0.05(x + 2) = 6.40
Simplifying the equation,
We get,
0.10x + 0.05x + 0.10 = 6.40
0.15x + 0.10 = 6.40
0.15x = 6.40 - 0.10
0.15x = 6.30
x = 6.30/0.15
x = 42
So, Taylor has 42 dimes. Now we can find the number of nickels:
Number of nickels = x + 2 = 42 + 2 = 44
Therefore, Taylor has 42 dimes and 44 nickels.
Learn more about Dime and Nickel here
https://brainly.com/question/11018088
#SPJ4
The given question is incomplete, the complete question is
Taylor has $6.40 in dimes and nickels in her car. The number of nickels is two more than the number of dimes.
How many of each type of coin does she have?
Find x. Round your answer to the nearest tenth of a degree.
Using a trigonometric relation we can see that x = 51°
How to find the value of x?Here we have a right triangle, and we know the length of the two legs of it.
To find the value of x, we need to use the trigonometric relation:
tan(x) = (opposite cathetus)/(adjacent cathetus)
Here we have:
opposite cathetus = 28
adjacent cathetus = 23
Then:
tan(x) = 28/23
x = Atan(28/23)
x = 50.59° = 51°
Learn more about right triangles at:
https://brainly.com/question/2217700
#SPJ1
You are preparing to admit a client with a seizure disorder. Which actions can you delegate to an LPN
The actions that can be delegated to an LPN (Licensed Practical Nurse) for a client with a seizure disorder include monitoring vital signs, administering prescribed medications, and providing basic seizure care.
An LPN can monitor the client's vital signs such as blood pressure, heart rate, and respiratory rate to assess any changes that may occur during or after a seizure. They can also administer medications that have been prescribed by the healthcare provider to manage seizures, such as antiepileptic drugs. Additionally, an LPN can provide basic seizure care, which may involve ensuring the client's safety during a seizure, positioning the client to prevent injury, and providing comfort measures.
However, it's important to note that the specific scope of practice for LPNs may vary based on the state or country's regulations and the policies of the healthcare facility. Therefore, it's essential to consult the legal and institutional guidelines to determine the exact tasks that can be delegated to an LPN in the care of a client with a seizure disorder.
Learn more about rate here:
https://brainly.com/question/199664
#SPJ11
If a zero-coupon bond has a stated annual interest rate of 22%, compounded monthly, how many years will it take to double the value of the bond? (Assume that the bond will double in value before it matures)
Answer:
39.34 years
Step-by-step explanation:
To determine the number of years it will take to double the value of a zero-coupon bond with a stated annual interest rate of 22%, compounded monthly, we can use the formula for compound interest and the concept of the Rule of 72.
The Rule of 72 is a simplified formula that estimates the approximate time it takes for an investment to double based on a given interest rate. According to the Rule of 72, the number of years required to double an investment is approximately equal to 72 divided by the interest rate.
In this case, the interest rate is 22% per year, compounded monthly. To find the monthly interest rate, we divide the annual interest rate by 12:
Monthly interest rate = 22% / 12 = 1.83% (expressed as a decimal)
Using the Rule of 72, we can calculate the number of years required to double the value of the bond:
Number of years = 72 / (monthly interest rate)
Number of years = 72 / 1.83%
Number of years ≈ 39.34 years
Therefore, it will take approximately 39.34 years to double the value of the zero-coupon bond with a stated annual interest rate of 22%, compounded monthly.
Which inequality represents all values of x for which the product below is
defined?
√5x • √x+3
A. x ≤ -3
B. x > 0
C. x ≥ -3
D. x ≥ 0
Option D represents the inequality.
Given,
√5x • √x+3
Now for solving the inequality,
5x≥0
x≥0
x + 3≥ 0
x ≥ -3
Now to conclude the final inequality combine both the regions of x and find out the common region of variable x.
Thus,
x ≥ 0 will satisfy the inequality.
Know more about inequality,
https://brainly.com/question/83233
#SPJ1
In organizations that you have worked in or are familiar with, what are the main benefits you would expect these organization would achieve by establishing a PMO
Establishing a Project Management Office (PMO) in an organization can bring several benefits, including improved project governance, enhanced communication and collaboration, standardized processes, better resource allocation, and increased project success rates.
A PMO serves as a central hub for project management activities within an organization, providing oversight, guidance, and support to project teams. By establishing a PMO, organizations can achieve improved project governance. The PMO helps define and enforce project management standards, methodologies, and best practices, ensuring consistency and alignment across projects. This leads to better project planning, monitoring, and control, resulting in increased project success rates.
Furthermore, a PMO facilitates enhanced communication and collaboration among project stakeholders. It serves as a focal point for project-related information, fostering transparent communication, and promoting collaboration between project teams, sponsors, and executives. This improves decision-making, reduces conflicts, and increases overall project visibility.
Standardization of processes is another significant benefit of establishing a PMO. The PMO develops and implements standardized project management templates, tools, and techniques. This promotes efficiency, reduces duplication of efforts, and streamlines project execution. Standardized processes enable better resource allocation and optimization, ensuring that resources are allocated effectively based on project priorities and organizational goals.
In summary, the main benefits of establishing a PMO include improved project governance, enhanced communication and collaboration, standardized processes, better resource allocation, and increased project success rates. These benefits contribute to higher project efficiency, better decision-making, and overall organizational success.
Learn more about focal here: https://brainly.com/question/30382980
#SPJ11
Covalent bonds form between hydrogen and oxygen atoms in a water molecule as a result of thea. polarity of water molecules.b. sharing of electrons between atoms.c. surface tension of water.d. transfer of electrons between atoms.
Covalent bonds form between hydrogen and oxygen atoms in a water molecule as a result of the sharing of electrons between the atoms.
Covalent bonds are formed when atoms share electrons in order to achieve a stable electron configuration. In the case of a water molecule (H2O), each hydrogen atom shares one of its electrons with the oxygen atom. This sharing of electrons allows both atoms to achieve a more stable configuration by filling their outer electron shells.
The oxygen atom has six valence electrons, while each hydrogen atom has one valence electron. In order to achieve a stable configuration, the oxygen atom needs two additional electrons, while each hydrogen atom needs one additional electron. By sharing electrons, each hydrogen atom contributes one electron to the shared pair, while the oxygen atom contributes two electrons. This results in a total of two covalent bonds between the oxygen atom and the two hydrogen atoms in a water molecule.
Therefore, the correct answer is b. sharing of electrons between atoms. Covalent bonds are characterized by the sharing of electrons, and in the case of water, this sharing leads to the formation of the molecule's stable structure.
Learn more about stable here:
https://brainly.com/question/18089481
#SPJ11
A boy counted his money and asked the price of a soccer ball, a book and a Lego set; he then knew how much more money he would have to earn before he could get all of them. How did he find out?
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
By adding them up?
income per capita in the poorest countries of the world is just five percent of the U.S. These differences in income are most due to.
The vast differences in income per capita between the poorest countries of the world and the United States, where the former represents just five percent of the latter, can be primarily attributed to various factors.
The differences in income between the poorest countries and the United States can be attributed to a combination of economic, social, and political factors. One key factor is the level of economic development and productivity. The poorest countries often face challenges such as limited access to resources, inadequate infrastructure, and underdeveloped industries, which result in lower levels of productivity and economic output.
Additionally, factors like political instability, corruption, and weak governance can hinder economic growth and investment, further contributing to income disparities. Social factors such as limited access to education, healthcare, and technology also play a role in perpetuating income inequalities. All these factors collectively contribute to the significant income gap between the poorest countries and the United States.
Learn more about income per capita here:
https://brainly.com/question/28043926
#SPJ11
Given the circle below with secants EFG and IHG, find the length of EF.
Round to the nearest tenth if necessary.
10
F
H
15
E
The value of length of EF is,
EF = 23.3 units
We have to given that;
The circle below with secants EFG and IHG.
Now, By secant theorem we can formulate;
⇒ GH × GI = GE × GF
Here, We have to given that;
⇒ GH = 10
⇒ GI = 10 + 15 = 25
⇒ GF = 8
Now, Substitute all the values, we get;
⇒ GH × GI = GE × GF
⇒ 10 x 25 = 8 x GF
⇒ 250 = 8 × GE
⇒ GE = 250 / 8
⇒ GE = 31.3
Therefore, The length of EF is,
EF = 31.3 - 8
EF = 23.3
Learn more about the circle visit:
https://brainly.com/question/24810873
#SPJ1
write a quadratic function f whose zeros are 9 and 1.
Answer: y=(x-9)(x-1)
Step-by-step explanation:
An electric blanket is connected to a 120-V outlet and consumes 140 W of power. What is the resistance of the heater wire in the blanket
The resistance of the heater wire in the electric blanket is approximately 102.56 ohms.
The resistance of the heater wire in the electric blanket, Ohm's Law, which states that resistance (R) is equal to voltage (V) divided by current (I). Since power (P) is equal to voltage multiplied by current (P = V × I),
Voltage (V) = 120 V
Power (P) = 140 W
First, to calculate the current (I) using the formula P = V × I :
I = P / V
I = 140 W / 120 V
I = 1.17 A
Now, calculate the resistance (R) using Ohm's Law:
R = V / I
R = 120 V / 1.17 A
R = 102.56 Ω
To know more about resistance here
https://brainly.com/question/29427458
#SPJ4
How did the different levels of society have more or less money in the shang dynasty?
In the Shang Dynasty, the levels of society had varying levels of wealth. The ruling elite, including the royal family and high-ranking nobles, possessed significant wealth and power, while the commoners and lower classes had less access to resources and economic opportunities.
The Shang Dynasty in ancient China had a hierarchical social structure where wealth and resources were concentrated in the hands of the ruling elite. The royal family and high-ranking nobles occupied the top positions in society and enjoyed considerable wealth and privileges. They owned vast lands, controlled resources such as bronze and jade, and had access to luxury goods.
In contrast, the commoners and lower classes had limited economic resources. They mostly engaged in agricultural activities, working as farmers or laborers. They had less access to land, resources, and opportunities for upward mobility. Their wealth was modest, and their standard of living was generally lower compared to the ruling elite.
Learn more about economic here:
https://brainly.com/question/14355320
#SPJ11
Your company requires its employees to work between 10 a.m. and 3 p.m. each day, but employees can decide whether they will work their additional hours before or after this time period. What is this arrangement called in your textbook
In the textbook, this arrangement is referred to as "flextime" or "flexible working hours."
Flextime is a work arrangement that allows employees to have control over their work schedule within certain core hours. In this case, the core hours are between 10 a.m. and 3 p.m., during which all employees are required to be present at work. However, employees have the flexibility to choose their additional working hours either before or after the core hours.
Flextime offers employees the freedom to adjust their work schedule to accommodate personal obligations, preferences, or other commitments outside of work. It recognizes that individuals have different peak productivity hours and work-life balance needs. By allowing employees to choose their additional working hours, it promotes autonomy and can contribute to increased job satisfaction and work-life integration.
Learn more about integration here:
https://brainly.com/question/31744185
#SPJ11
evaluate 2 divided by 4/9
If the length of the axle was cut 5 mm shorter, the volume would be reduced to 0. 281 cm3. What would be the new mass of the axle?
The new mass of the axle is 2.4g
We have the information from the question is:
The length of the axle was cut 5mm shorter.
The volume would be reduced to 0. 281 cm^3.
We have to find the new mass of the axle.
Now, According to the question:
Assumptions will be that the axle is a brass and the density is density is [tex]\frac{0.00855g}{mm^3}[/tex]
Also, We know that:
Density is ratio of mass of a substance per unit volume mass is the quantity of matter in a body, it is measured in grams or kilograms.
Now, Calculate the Mass, by using the formula of density:
[tex]Density=\frac{Mass}{volume}[/tex]
0.00855=mass/280.7
mass=0.00855 × 280.7
mass=2.399g ≈ 2.4g
Learn more about Density at:
https://brainly.com/question/29775886
#SPJ4
When the boy first starts visiting the tree, he is 6
years old and 3 feet, 10 inches tall (or 3. 83 feet). If
he is 6. 7 feet away from the tree and his angle of
elevation to the top of the tree is 25. 3°, how tall is the
tree when she first meets the boy?
when the boy first meets the tree, the tree's height is approximately 2.926 feet by using Trignometric ratios.
To determine the height of the tree, we can use trigonometry and the given information.
Let's consider the right triangle formed by the boy, the tree, and the line connecting them.
The height of the tree can be represented as the opposite side, the distance between the boy and the tree as the adjacent side, and the angle of elevation as the angle.
We have the following information:
Adjacent side (distance from the boy to the tree) = 6.7 feet
Angle of elevation = 25.3°
Using trigonometry, specifically the tangent function, we can calculate the height of the tree.
Tangent of the angle of elevation (25.3°) is equal to the opposite side (height of the tree) divided by the adjacent side (distance from the boy to the tree):
tan(25.3°) = height of the tree / 6.7 feet
Rearranging the equation to solve for the height of the tree:
height of the tree = tan(25.3°) * 6.7 feet
Calculating the value:
height of the tree ≈ 2.926 feet.
To learn more about Trignometric ratios go to:
https://brainly.com/question/23130410
#SPJ11
Two tracking stations are on the equator 173 miles apart. A weather balloon is located on a
bearing of N36°E from the western station and on a bearing of N18°W from the eastern station.
How far is the balloon from the western station? Round to the nearest mile.
D) 164
A) 203 miles
B) 212 miles
C) 173 miles
miles
Two tracking stations are on the equator 173 miles apart. A weather balloon is located on a bearing of N36°E from the western station and on a bearing of N18°W from the eastern station using vector addition.
The balloon is 124.56 miles rounding to the nearest mile is option D)164 miles from the western station using vector addition.
To solve this problem, we can use the concept of vector addition. Let's denote the distance from the western station to the balloon as "x" miles.
We can split the distance between the tracking stations into two segments. The northern segment from the western station to the balloon and the southern segment from the balloon to the eastern station. The sum of these two segments should be equal to the total distance of 173 miles.
Using basic trigonometry, we can determine the lengths of the segments:
In the northern segment:
sin(36°) = (x) / (173)
x = 173 * sin(36°) ≈ 103.87 miles
In the southern segment:
sin(18°) = (173 - x) / (173)
173 - x = 173 * sin(18°) ≈ 48.44 miles
x ≈ 173 - 48.44 ≈ 124.56 miles
Therefore, the balloon is approximately 124.56 miles away from the western station. Rounding to the nearest mile, the correct answer is D) 164 miles.
To know more about vector addition refer here:
https://brainly.com/question/23867486#
#SPJ11