HELLLPPP ME PLSSS ITS URGENT
The ratio of the volume of both spheres is: 1/(24√3)
What is the volume of the sphere?The formula for the volume of a sphere is expressed as:
V = ⁴/₃πr³
where:
r is radius
V is volume
We are told that the radii of the two spheres have a ratio of 1:2√3. Thus:
Volume of sphere A/Volume of sphere B = (1:2√3)³
= 1/(24√3)
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Fill in the blanks below in order to justify whether or not the mapping shown
represents a function.
Set A
co
5
H
The mapping diagram above|
Set B
✓in
-2
3
O
7
શ function since
where there
Answer:
It is not a function
Step-by-step explanation:
A function is a rule from x to y that applies to all elements of x. Every element of x should have one image only.
Here, element "1" has two images 3 and 7. Therefore it's not a function.
please help pleaseee i need dis good grade
Answer:62.8 units
Step-by-step explanation:
When making bread from scratch, the recipe calls for 3/4 cup of water. If you need to make a smaller portion of the recipe, how much water would you need in order to make only 1/9th of the recipe?
Answer:0.67
Step-by-step explanation:
Consider the equation below. (If an answer does not exist, enter DNE.)
f(x) = x2 − x − ln(x)
(a)
Find the interval(s) on which f is increasing. (Enter your answer using interval notation.)
Find the interval(s) on which f is decreasing. (Enter your answer using interval notation.)
(b)
Find the local minimum and maximum value of f.
local minimum value
local maximum value
(c)
Find the inflection point.
(x, y) =
Find the interval(s) on which f is concave up. (Enter your answer using interval notation.)
Find the interval(s) on which f is concave down. (Enter your answer using interval notation.)
It should be noted that f(x) is increasing on the intervals (-1/2, 0) and (0, ∞), and decreasing on the interval (-∞, -1/2).
How to explain the functionThe derivative of f(x) is denoted as:
f'(x) = 2x - 1 - 1/x
It should be noted that to determine the critical points, set f'(x) to equal 0 and solve for x:
2x - 1 - 1/x = 0
Multiplying by x gives:
2x^2 - x - 1 = 0
On the intervals (-1/2, 0) and (0, ∞), the function f(x) exhibits increasing behaviour; in (-∞, -1/2). it's decreasing.
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how do you do this equation?
hi
First, dont keep the equation this way.
f(x) = 2 (x+2) +4x
f(x) = 2x+4+4x
f (x) = 6x+4
after :
x= 0 f(x) = 4
x= 2 f(x)= 16
x= 10 f(x) = 64
x = 30 f(x) = 94
The owners of Applewood Farmstead tracked their fruit sales over the weekend. The graph below shows the relative frequencies of the sales of each fruit. Applewood Farmstand sold a total of 320 pieces of fruit over the weekend. How many of those were apples?
Applewood Farmstand sold 102 pieces of apples over the weekend.
What is graph?Graph is a data structure which consists of nodes (vertices) that are connected with each other. Graphs are used to represent relationships between different objects, such as networks, social connections, and pathways. Graphs are useful for representing data as they can provide a visual representation that is easy to interpret, and can be used to analyse patterns in the data. Graphs can also be used to represent problems such as shortest path problems, and can be used to solve problems such as finding the most efficient route between two points.
The graph shows that apples accounted for 32% of the total fruit sales. To find the exact number of apples sold, we can calculate the following:
Apples = (320 pieces of fruit) x (0.32)
Apples = 102 pieces
Therefore, Applewood Farmstand sold 102 pieces of apples over the weekend.
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In the 1992 Winter Olympic trials, John Jennings pushed the USA bobsled with a force of 110 N at an angle of 42with the horizontal. Find the horizontal and vertical components of the force
Round to the nearest hundredth!!!!!!
The horizontal component of the force is approximately 80.34 N, and the vertical component of the force is approximately 74.62 N.
How to determine the horizontal and vertical components of the forceThe force can be broken down into its horizontal and vertical components using trigonometry.
Horizontal component:
cos(42) = adjacent/hypotenuse
adjacent = cos(42) * 110 N
adjacent ≈ 80.34 N
Vertical component:
sin(42) = opposite/hypotenuse
opposite = sin(42) * 110 N
opposite ≈ 74.62 N
Therefore, the horizontal component of the force is approximately 80.34 N, and the vertical component of the force is approximately 74.62 N.
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if you roll a number cube 20 times. which scenario is least likely?
a) you find the experimental probability of rolling a 1 or 2 to be 0.3.
b) you find the experimental probability of rolling a 3 or 4 to be 0.4.
c) you find the experimental probability of rolling a 5 or 6 to be 0.5.
d) you find the experimental probability of rolling a number divisible by 3 to be 0.35
ben and david plot the locations of their houses and the park on the grid show below. they r planning to each start at home and travel in a straight line to the park. how many times greater is the distance ben travels to get to the park than the distance david travels?
The distance Ben travels to get to the park is approximately 2.21 times greater than the distance David travels. This is found by using the distance formula to calculate the distances each person travels and then comparing the results.
To solve this problem, we need to find the distance between each person's house and the park using the distance formula
distance = √((x₂ - x₁)² + (y₂ - y₁)²)
For Ben
distance = √((-2 - 4)² + (-2 - 6)²) = √((-6)² + (-8)²) = √(100) = 10
For David
distance = √((-2 - (-7))² + (-2 - (-6))²) = √((5)² + (4)²) = √(41)
So the ratio of Ben's distance to David's distance is
10 / √(41) ≈ 2.21
Therefore, Ben's distance is about 2.21 times greater than David's distance.
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Is (3, 5) a solution to this system of equations?
y = 5
Y= -5/3x+10
yes
no
Yes, (3, 5) is a solution to this system of equations.
How do you calculate the equation system?
The system has a single solution if the m-values of the two equations differ. The system has no solution if the two equations have the same m-value but distinct b-values.
Substituting x = 3 and y = 5 into the equations, we get:
y = 5 (which is already given)
y = (-5/3)x + 10
y = (-5/3) * 3 + 10
y = -5 + 10
y = 5
Therefore, both equations are satisfied by the point (3, 5), making it a solution to the system of equations.
Yes, (3, 5) is a solution to this system of equations.
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The diameter of a circle is 6 centimeters. What is the circle's area?
Use 3.14 for .
Answer: The area of circle is 28.26 cm^2
Step-by-step explanation: As the diameter of the given circle is 6 cm, the radius of the same would be 3 cm.
Area of circle = pi r^2
And the value of pi is to be taken 3.14
The area of the given circle is 28.26cm^2.
What is the measure of angle x?
Enter your answer in the box.
Answer:
43
Step-by-step explanation:
at the upper horizontal plane the angles add up to 180 degrees so you add the right angle with the 47 degrees and then you subtract the answer from180 degrees.the value you obtain is oppositely equal to the value of x hence,43
Given the definitions of f(x) and g(x) below, find the value of (fog)(-1).
f(x) =-x-12
g(x) = x² – 5x -5
Answer: 11
Step-by-step explanation: To find the value of (fog)(-1), we first need to find the value of g(-1), which means plugging -1 into the equation for g(x):
g(x) = x² – 5x - 5
g(-1) = (-1)² – 5(-1) - 5
g(-1) = 1 + 5 - 5
g(-1) = 1
Now we need to find (fog)(x) by plugging g(x) into f(x) and simplifying:
f(x) = -x - 12
fog(x) = f(g(x))
fog(x) = f(x² – 5x - 5)
fog(x) = -(x² – 5x - 5) - 12
fog(x) = -x² + 5x + 17
Finally, we can find (fog)(-1) by plugging -1 into the equation for fog(x):
fog(x) = -x² + 5x + 17
(fog)(-1) = -(-1)² + 5(-1) + 17
(fog)(-1) = -1 - 5 + 17
(fog)(-1) = 11
Therefore, the value of (fog)(-1) is 11.
Find the volume of a composite solid with a radius of 6 and a height of 12
The volume of the composite solid is 452. 160 ft³
How to determine the volumeFirst, it is important to note that the formula for calculating the volume of a cone is expressed as;
V = πr²h/3
Such that the parameters of the formula are;
V is the volumer is the radius of the cone.h is the height of the cone.From the information given,
substitute the values
Volume = 3.14 × 6² × 12/3
Divide the values
Volume = 31.4 × 36 × 4
Multiply the values
Volume = 452. 160 ft³
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How many significant digits are there in the number 9.15 x 10000
There are four significant digits in the number 9.15 x 10⁴.
The digits that provide the number with useful information are known as the important digits.
As they add to the value of the number in this instance, the numbers 9, 1, and 5 are all important.
The exponent, 4, just instructs us on how many places to relocate the decimal point, therefore it has no bearing on the number of significant digits.
Therefore, the number 9.15 x 10⁴ has four significant digits.
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A bag of M&M's has 6 red, 8 green, 2 blue, and 4 yellow M&M's. What is the probability of randomly picking:
(give answer as a reduced fraction)
1) a yellow?
There are no orange M&Ms in the bag, thus there is no probability of picking one.
What is Probability?An event is any subset of the sample space, which is the set of all potential results of a random experiment, according to probability theory. By dividing the number of favourable outcomes by the total number of possible outcomes, the probability of an event is determined.
Classical probability, empirical probability, and subjective likelihood are just a few of the several varieties of probability. Empirical probability is based on actual observations or experiments, as opposed to classical probability, which is predicated on the idea that all events are equally likely. On the other hand, subjective probability is dependent on opinion or conviction.
Picking a yellow M&M has a 4/20 chance, which drops to 1/5.
The likelihood of selecting a blue or green card M&M is the result of adding the odds of selecting a blue and a green:
To reduce to 1/2, 2/20 + 8/20 = 10/20.
The likelihood of choosing an orange M&M is zero because there are no orange M&Ms in the bag.
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The complete question is:
The number of people applying for financial aid has gone up in the past 10 years by 6.74%. If the number of people that used to apply was 9,720,000, then how many people are applying now (10 years later)?
There are currently about 10,361,248 people requesting financial aid, which is an increase of 6.74% from ten years ago.
How are financial aid amounts determined?By reducing the financial barrier, it supports the advancement of your academic and professional ambitions.
Its current number of applications can be determined by multiplying 9,720,000 with 1.0674 (which equals a 6.74% increase)
If there were 9,720,000 people asking for financial help 10 years ago and there have been 6.74 times as many applicants since then. As a result, there are currently 10,361,248 applicants for financial aid, or 9,720,000 x 1.0674.
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Find the volume of the cone below if the radius is 12 height is 12
Answer:
Work smartly not hard.
Step-by-step explanation:
AI
Find the value of the following expression when x = 5:
8x divided by 4= ?
Answer:
10
Step-by-step explanation:
Replace X with 5
The new equation should be 8×5 divided by 4
Then you would multiply 8×5, which is 40
Now, divided 40 by 4, which is 10.
Therefore 8×5 divided by 4 is 10.
SORRY IF THIS DIDN'T MAKE SENSE!
An entomologist writes an article in a scientific journal which claims that fewer than 20 in ten thousand male fireflies are unable to produce light due to a genetic mutation. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is to reject the null hypothesis, state the conclusion in nontechnical terms. Be sure to address the original claim.
a) There is sufficient evidence to support the claim that the true proportion is less than 20 in ten thousand.
b) There is not sufficient evidence to support the claim that the true proportion is less than 20 in ten thousand.
c) There is not sufficient evidence to support the claim that the true proportion is greater than 20 in ten thousand.
d) There is sufficient evidence to support the claim that the true proportion is greater than 20 in ten thousand.
Use an array model on graph paper to solve and explain your solution to – Candy comes in 3 1/2pound bags. At a recent party, those attending ate 2 1/4 bags of candy. How many pounds of candy did they eat? Your solution should be in simplest form.
those attending the party ate 4 1/2 pounds of candy in total.
How to solve the question?
To solve this problem using an array model on graph paper, we can draw a rectangular array with 2 1/4 rows and 3 1/2 columns. Each cell in the array represents a 1/4 pound of candy. The total number of cells in the array will give us the total amount of candy eaten.
To start, we can divide each row into four equal parts to represent 1/4 pound of candy. We can also divide each column into two equal parts to represent 1/2 pound of candy. Then, we can shade in the cells that represent the amount of candy eaten.
Starting with the first row, we shade in two full rows and an additional half row, representing 2 1/2 bags of candy. Then, in the second row, we shade in two full columns and an additional half column, representing 2 1/4 bags of candy.
When we count the total number of shaded cells in the array, we see that there are 18 cells shaded. Each cell represents 1/4 pound of candy, so we can multiply 18 by 1/4 to get the total amount of candy eaten:
18 * 1/4 = 4 1/2 pounds
Therefore, those attending the party ate 4 1/2 pounds of candy in total.
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Which of the following gives the circumference, C, of a circle with a radius of 4?
OC 4T
OC=4T²
OC=8T
O C=16T
The circumference of a circle with a radius of 4 is 8π.
What is the circumference of a circle with a radius of 4?A circle is simply a closed 2-dimensional curved shape with no corners or edges.
The circumference of a circle is the distance around a circle or the length of a circle. It is expressed mathematically as;
C = 2πr
Where r is radius and π is constant pi.
Given that the radius of the circle is 4 units.
Plug into the above formula.
C = 2πr
C = 2 × π × 4
C = 8π
Therefore, the circumference is 8π.
Option C) 8π is the correct answer.
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For which equations is 8 a solution? Select the four correct answers. x + 6 = 2 x + 2 = 10 x minus 4 = 4 x minus 2 = 10 2 x = 4 3 x = 24 StartFraction x Over 2 EndFraction = 16 StartFraction x Over 8 EndFraction = 1
The equations for which 8 is a solution:
are x minus 4 = 4
2 x = 4
StartFraction x Over 8 EndFraction = 1
x + 6 = 2
How find which equations is 8 a solutionThe equations for which 8 is a solution are:
x - 4 = 4 (if we substitute x=8, we get 8-4=4 which is true)
2x = 4 (if we substitute x=8, we get 2*8=16 which is true)
StartFraction x Over 2 EndFraction = 16 (if we substitute x=8, we get 8/2=4 which is not true)
StartFraction x Over 8 EndFraction = 1 (if we substitute x=8, we get 8/8=1 which is true)
So, the correct answers are:
x minus 4 = 4
2 x = 4
StartFraction x Over 8 EndFraction = 1
x + 6 = 2
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y=-0.8x^2 - 4x please help
The characteristics of the above quadratic unction y=-0.8x^2 - 4x are given as follows.
What are the characteristics of the above function?The vertex is (5, -22).
The axis of symmetry is x = 5.
The function is increasing when x < 5 and decreasing when x > 5.
The x-intercepts are (-5, 0) and (0, 0).
The domain is all real numbers and positive when x < 0.
The range is (-∞, -22].
The function is negative when x > -5.
The y-intercept is (0,0).
The function is negative when x is less than -5/2 and positive when x is greater than -5/2.
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if necessary.
21. A company makes specialized fish tanks, like the one shown below. If 1 gallon = 0.134 ft³, how many
gallons of water will it take to fill the fish tank completely?
9 ft
2 ft
3 ft
V = 6
It would take about 402.985 gallons of water to fill the fish tank completely.
What is the amount of water?To calculate the number of gallons of water it would take to fill the fish tank completely, we need to multiply the dimensions of the fish tank in cubic feet by the conversion factor to convert cubic feet to gallons.
Given:
Length = 9 ft
Width = 2 ft
Height = 3 ft
Conversion factor: 1 gallon = 0.134 ft³
Step 1: Calculate the volume of the fish tank in cubic feet
Volume = Length × Width × Height = 9 ft × 2 ft × 3 ft = 54 ft³
Step 2: Convert cubic feet to gallons
54 ft³ × (1 gallon / 0.134 ft³) ≈ 402.985 gallons
So, it would take approximately 402.985 gallons of water to fill the fish tank completely.
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Use the definition of Ax
to write the vector equation as a matrix equation.
The vector equation written as a matrix equation is enter your response here
.
If the vector is drawn from (0,0) to (5, -1), the outcome vector is drawn.
Describe vector?A mathematical concept known as a vector has both a magnitude and a direction. Physical quantities like force, velocity, and acceleration are represented by it. In the physical sciences, engineering, and computer graphics, vectors are frequently employed. They can also be used to represent abstract concepts like magnitude, directions, and other things.
Here in the question,
(0, 0) is the beginning position. There should be an arrow above each vector name listed below.
Ink a line beginning at (3, -1). A vector has an origin of (0,0) and a destination of (3, -1).
Put a line through points (2,2). The vector B has a start point of (0, 0) and an end point of (2, 2).
These two vectors add up to: a + b = (3-1) + (2,2) = (5,1) when combined.
Whatever order they are in, b + a = (2,2) + (3, -1) = (5,1) regardless.
Either way, the same conclusion is reached.
The terminal point of A + B is at (5, 1).
If the vector is drawn from (0,0) to (5, -1), the outcome vector is drawn.
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Please help me! Thank You So Much in Advance!!!!!!!
The ratio between the number of people who do not enjoy reading and the number of people who do not enjoy playing videogames is given as follows:
3 to 1.
How to obtain the ratio between two amounts?The ratio between two amounts a and b is given as follows:
a to b.
The amounts for this problem are given as follows:
Do not enjoy reading: 8 + 1 = 9.Do not enjoy playing videogames: 2 + 1 = 3.Hence the ratio is of:
9/3 = 3/1 = 3 to 1.
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what is the simplified answer to 49^{1/2}
Answer:
7
Step-by-step explanation:
EASY!! I ONLY NEED HELP WITH #39 & #40
39) The balance in the account after 6 years is $4,073.62.
40) The balance in the account after 6 years is $4,134.83
What is the formula for compound interest?
[tex]A = P(1 + \frac{r}{n} )^{(nt) }[/tex]
Here P is the principal,A is the balance, r is the annual interest rate, n is the number of times the interest is compounded per year, t is the time in years.
39) Here given that P = $3500, r = 2.16% = 0.0216, n = compounded quarterly = 4 and t = 6.
So, [tex]A = 3500(1 + \frac{0.0216}{4})^{(4 \times 6)} = 4,073.62[/tex]
Therefore, the balance in the account after 6 years is $4,073.62.
40)Here given,P = $3500, r = 2.29% = 0.0229, n = 12 (compounded monthly), and t = 6.
[tex]A = 3500(1 + \frac{0.0229}{12})^{(12 \times 6)} = 4,134.83[/tex]
Therefore, the balance in the account after 6 years is $4,134.83.
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