Answer:
Using the ratio given, we know that for every 5 colored pencils, there are 2 markers in each box.
Therefore:
The first blank represents the number of colored pencils in the box. Since the ratio of colored pencils to markers is 5 to 2, we can calculate that there are 5 colored pencils for every 2 markers. This means that for each box, there are 5/7 of the total number of items are colored pencils. So the missing value in the first row is 35.
The second row indicates that there are 20 items in the box. We know that the first row (colored pencils) has 35 items, and since the total number of items in the box is 20, the missing value in the second row (markers) is 20 - 35/7 = 15.
The third row represents the total number of colored pencils and markers in each box. We know that there are 35 colored pencils and 15 markers in each box, so the total number of items in each box is 50.
Therefore, the completed table would be:
Boxes for sale
||||||||||||||||||||||||||||||||||||||||||
Number of Colored | 35 | 20 | 35 |
Pencils | | | |
||||||||||||||||||||||||||||||||||||||||||
Number of Markers | 6 | 15 | 6 |
| | | |
Total Number of ||||||||||||||||||||||||||||||||||||||||||||
Colored Pencils and | 41 | 35 | 50 |
Markers in the Box |||||||||||||||||||||||||||||||||||||||||||||
A pair of headphones regularly sells for $116. They are on sale for 15% off. What is the sales price of the headphones? Write just the numerical answer.
Help please
15% of a price of 116 dollars would be a price decrease of $17.40. This means that the price when on sale would be $98.60 as you have to subtract 17.40 from 116.
This problem refers to triangle ABC. If A = 80°, B = 60°, and b = 15 cm, find a. (Round your answer to the nearest whole number.)
a = ? cm
Answer:
Step-by-step explanation:
We can use the law of sines to find the length of side a. The law of sines states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all three sides of the triangle. In other words:
a/sin A = b/sin B = c/sin C
where a, b, and c are the lengths of the sides of the triangle, and A, B, and C are the angles opposite those sides.
We are given that A = 80°, B = 60°, and b = 15 cm. We can substitute these values into the law of sines and solve for a as follows:
a/sin 80° = 15/sin 60°
Multiplying both sides by sin 80°, we get:
a = 15*sin 80°/sin 60°
Using a calculator, we can evaluate sin 80° and sin 60° as follows:
sin 80° ≈ 0.9848
sin 60° = √3/2 ≈ 0.8660
Substituting these values, we get:
a ≈ 15*0.9848/0.8660
a ≈ 17.06
Rounding this to the nearest whole number, we get:
a ≈ 17
Therefore, the length of side a is approximately 17 cm.
A random sample of n1 = 252 people who live in a city were selected and 104 identified as a cat person. A random sample of n2 = 107 people who live in a rural area were selected and 55 identified as a cat person. Find the 99% confidence interval for the difference in the proportion of people that live in a city who identify as a cat person and the proportion of people that live in a rural area who identify as a cat person.
Round answers to 2 decimal places, use confidence interval notation :
Answer:
Confidence interval = -0.1013 ± 0.1991
Confidence interval = (-0.30, 0.10)
Step-by-step explanation:
We can use the following formula to find the confidence interval for the difference in two population proportions:
Confidence interval = (p1 - p2) ± z*sqrt[p1(1-p1)/n1 + p2(1-p2)/n2]
where p1 and p2 are the sample proportions, n1 and n2 are the sample sizes, and z is the z-score corresponding to the level of confidence.
First, we need to calculate the sample proportions:
p1 = 104/252 = 0.4127
p2 = 55/107 = 0.5140
Next, we need to find the value of z for a 99% confidence level. We can look up this value in a standard normal distribution table or use a calculator, which gives us a z-score of 2.576.
Then, we can plug in the values:
Confidence interval = (0.4127 - 0.5140) ± 2.576*sqrt[0.4127(1-0.4127)/252 + 0.5140(1-0.5140)/107]
Simplifying this expression, we get:
Confidence interval = -0.1013 ± 0.1991
Rounding to two decimal places and using interval notation, we get:
Confidence interval = (-0.30, 0.10)
Wright and simplify an expression the perimeter of a rectangle 7.5 and 12y
Answer:
P = 15 + 24y
Step-by-step explanation:
The perimeter of a rectangle is the sum of the lengths of all four sides. If one side of the rectangle has a length of 7.5 and the other side has a length of 12y, we can write the expression for the perimeter as:
P = 2(7.5) + 2(12y)
Simplifying this expression, we get:
P = 15 + 24y
Therefore, the simplified expression for the perimeter of the rectangle with one side of length 7.5 and the other side of length 12y is 15 + 24y.
If the circumference of a circle measures 3 centimeters what is the area of the circle in terms of pi
Answer:
Step-by-step explanation:
please please please help me my teacher has no idea how to reach and i desperately need to know this :D
The completed blanks in Nyala's solution that is used to prove that the measure of angle x is 40° is as follows;
If we perform a 180° rotation about the point O the following happens
Ray [tex]\overleftrightarrow{EF}[/tex] maps unto ray [tex]\overleftrightarrow{GH}[/tex]
Ray [tex]\overleftrightarrow{GH}[/tex] maps unto ray [tex]\overleftrightarrow{FE}[/tex]x
[tex]\overleftrightarrow{FG}[/tex] maps unto itself
Therefore, the image of angle x will be exactly where the pre-image of 40° was. Since rotation preserve angle measure, the measure of angle x must be 40°.
What is the measure of an angle?The measure of an angle is the degree of rotation between the initial side and the terminal side of the angle.
The details of the method Nyala used to prove that the measure of the angle x is 40° can be found as follows;
The rotation of a line 180° about the center of the line maps onto itself, and the rotation of a line about a non colinear point, is parallel to the original line.
Whereby the center of rotation of the line [tex]\overleftrightarrow{EF}[/tex] is equidistant from both the line [tex]\overleftrightarrow{GH}[/tex] which is parallel to the line [tex]\overleftrightarrow{EF}[/tex], the image of the line [tex]\overleftrightarrow{EF}[/tex] maps to the line [tex]\overleftrightarrow{GH}[/tex] following a 180° rotation about the point O, and the rotation of the line [tex]\overleftrightarrow{FG}[/tex] about the point O maps unto itself, such that the angle x maps to the angle 40°, therefore;
∠x ≅ 40° (A rotation transformation is a rigid transformation)
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Consider the following data: x −2 −1 0 1 2 P(X=x) 0.1 0.1 0.2 0.2 0.4 Step 3 of 5 : Find the standard deviation. Round your answer to one decimal place.
The answer is the expected value is - 2. The equation for expected value is the sum of the values times their probabilities.
B
Alex sorted 20 toy cars into 4 groups with the same number of cars in each
group. Which expression represents the number of toy cars in each group
20 × 4
20+4
20 ÷ 4
20 - 4
Mrs. Wheeler prepares a list of 434343 US presidents, 313131 of whom served in the military. Then 888 students each select a president at random (there can be repeats) for their civics presentations.
What is the probability that at least one of the students will select a president who did not serve in the military?
Round your answer to the nearest hundredth.
P(\text{at least one not in military})=
The probability that at least one of the students will select a president who did not serve in the military is 1.00.
According to given information :The probability that a student selects a president who did serve in the military is:
P(selects military president) = 31/43
Therefore, the probability that a student selects a president who did not serve in the military is:
P(selects non-military president) = 1 - 31/43 = 12/43
The probability that none of the 888 students select a non-military president is:
P(none select non-military president) = (31/43)^{888}
Therefore, the probability that at least one of the students will select a president who did not serve in the military is:
P(\text{at least one not in military}) = 1 - P(none select non-military president) = 1 - (31/43)^{888} ≈ 0.9996
Rounded to the nearest hundredth, the probability is 1.00.
What is probability?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 represents an impossible event and 1 represents a certain event. For example, the probability of flipping a fair coin and it landing on heads is 0.5 or 50%, while the probability of rolling a 7 on a standard six-sided die is 6/36 or 1/6, since there are six ways to roll a 7 out of 36 possible outcomes. Probability theory is used in many fields, including statistics, mathematics, science, finance, and engineering, to model and analyze random events and to make predictions based on data.
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Jalesia has a set of train stickers. She measures the length of the stickers. Then she makes a line plot of the data
PLS HURRY
The total length of the stickers that are more than 2 inches long is 5 1/2 inches. The Option C is correct
How do we calculate the total length of the stickers that are more than 2 inches long?A length is the measurement or extent of something from end to end; the greater of two or the greatest of three dimensions of an object.
The calculation of the total length of the stickers that are more than long is as follows:
= 2 1/4 + 2 1/2 + 2 3/4 + 3
= 9/4 + 5/2 + 11/4 + 3
= 9 + 10+ 11 + 12 / 4
= 42/4
= 10 2/4 inches
= 5 1/2 inches
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Full question "Jalesia has a set of train stickers. She measures the length of the stickers. Then she makes a line plot of the data. h of Stickers In jalesia takes all the stickers that are more than long. She lays them end to end across her folder. What is the total length of the stickers that are more than long?"
the radius of a circle is 3 inches. What is the lenght of a 180° arc?
The length of the 180° arc as required in the task content is; 22/21 inches.
What is the measure of the 180° arc's length?Recall that the length of an arc is given by the formula;
Length of arc = theta / 360 × 2 π r
Therefore, for a radius of 3 inches;
Length of arc = 180/360 × 2 × 22/7 × 3
Length of arc = 22/21 inches.
Ultimately, the length of the arc in discuss is; 22/21 inches.
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Ryan pays a deposit for the sofa then pays the rest of the cost in 24 equal payments of
£112.50
b) How much was the deposit?
Answer:
£2,700
Step-by-step explanation:
Ryan pays a deposit for the sofa then pays the rest of the cost in 24 equal payments of £112.50 b) How much was the deposit?
If Ryan paid the rest of the cost in 24 equal payments of £112.50, then the deposit would have been the total cost minus the total amount of the 24 payments, which is £2,700. Therefore, the deposit was £2,700.
On the last day of a Shakespeare class, an English teacher asked her students which play they liked the best, and she recorded the results to date.
Hamlet 2
Twelfth Night 8
A Midsummer Night's Dream 2
What is the experimental probability that the next student to respond likes Hamlet best?
Write your answer as a fraction or whole number.
The experimental probability that the next student to respond likes Hamlet best is 1/6 or 0.1667 as a decimal.
Calculating Experimental Probability of a Shakespeare Play Survey in an English ClassIn this problem, we are given the results of a survey conducted in an English class to determine which Shakespeare play the students liked the best. The teacher recorded the number of students who liked each of the three plays: Hamlet, Twelfth Night, and A Midsummer Night's Dream.
To calculate the experimental probability, we first need to find the total number of students who have responded to the survey so far. From the information given, we know that 2 students liked Hamlet best, 8 students liked Twelfth Night best, and 2 students liked A Midsummer Night's Dream best. Therefore, the total number of students who have responded so far is: 2 + 8 + 2 = 12
Next, we need to determine how many of these 12 students liked Hamlet best. We know from the data given that 2 students liked Hamlet best, so the number of students who liked Hamlet best is: 2
Finally, we can calculate the experimental probability that the next student to respond likes Hamlet best. We do this by dividing the number of students who liked Hamlet best (2) by the total number of students who have responded so far (12): 2/12
Simplifying this fraction, we get: 1/6
Therefore, the experimental probability that the next student to respond likes Hamlet best is 1/6 or 0.1667 as a decimal. This means that if we were to randomly select a student from the class and ask them which Shakespeare play they liked the best, there is a 1 in 6 chance that they would choose Hamlet.
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Select the statement that correctly describes the solution to this system of equations. y = 4x - 6 x + 3y = -5 OA) There is exactly one solution at (0, -6). OB) There is exactly one solution at (12) OC) There is no solution. OD) There are infinitely many solutions.
The correct statement is:
E) There is exactly one solution at (1, -2).
What is equation ?
An equation is a mathematical statement that indicates that two expressions are equal. It contains variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. An equation typically consists of two sides separated by an equal sign (=). The values of the variables that make the equation true are called solutions or roots of the equation. Equations are used to model a wide range of phenomena in mathematics, science, engineering, and other fields, and they play a central role in problem-solving and mathematical analysis.
According to given conditions:
To solve the system of equations:
y = 4x - 6 ...(1)
x + 3y = -5 ...(2)
We can use substitution or elimination method. Here, we will use the substitution method:
From equation (1), we have y = 4x - 6.
Substitute y = 4x - 6 in equation (2):
x + 3(4x - 6) = -5
Simplifying the above equation, we get:
13x - 18 = -5
Adding 18 on both sides, we get:
13x = 13
Dividing both sides by 13, we get:
x = 1
Substitute x = 1 in equation (1):
y = 4(1) - 6 = -2
Therefore, the solution to the system of equations is (1, -2).
So, the correct statement is:
A) There is exactly one solution at (0, -6). (Incorrect)
B) There is exactly one solution at (12). (Incorrect)
C) There is no solution. (Incorrect)
D) There are infinitely many solutions. (Incorrect)
The correct statement is:
E) There is exactly one solution at (1, -2).
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What is the possible length sides of AB??
The possible lengths of side AB as required to be determined in the task content are; 17.2, 15.59 and 8.
What length measures are possible for side AB?It follows from the task content that the length measures which are possible for side AB be determined.
By the triangle inequality theorem;
AB < 7 + 12; AB < 19
and
AB > 12 - 7; AB > 5
On this note, 5 < AB < 19.
Consequently, the possible lengths of side AB as required are; 17.2, 15.59 and 8.
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Sophie build a model of the Great Pyramid of Giza her model is a square pyramid with a volume of 90 cubic inches The base of the pyramid has a side length of 7.5 inches Find the height of Sophie pyramid
Answer:
Sophie's pyramid is approximately 4.8 inches.
Step-by-step explanation:
The formula for the volume of a square pyramid is given by:
V = (1/3) * B * h
where V is the volume, B is the area of the base, and h is the height of the pyramid.
We are given that the volume of Sophie's pyramid is 90 cubic inches, and the base has a side length of 7.5 inches. The area of the base is:
B = (7.5)^2 = 56.25 square inches
Substituting these values into the formula for the volume, we get:
90 = (1/3) * 56.25 * h
Multiplying both sides by 3, we get:
270 = 56.25 * h
Dividing both sides by 56.25, we get:
h = 4.8 inches (rounded to one decimal place)
Therefore, the height of Sophie's pyramid is approximately 4.8 inches.
The function f(x) =[tex]2/(x+1)^2[/tex] increases without bound as the values of x approach -1
The value of the function [tex]\lim_{x \to \ -1} \frac{2}{(x + 1)^{2}}[/tex] is ∞.
What is the limit of the function?A value of the function, whenever the input values are substituted in the function then the function approaches some number.
And that number is a limit of the function.
Given:
A function,
f(x) = 2/{(x + 1)²}
And function increases without bounds as the values of x approach -1.
So,
[tex]\lim_{x \to \ -1} \frac{2}{(x + 1)^{2}}[/tex]
= 2/(x² + 2x + 1)
= 2/{1 + (-2) + 1}
= 2/0
= ∞
Therefore, the function approaches infinity.
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A 3 in thick slice is cut off the top of a cube, resulting in a rectangular box that has volume 64 in3
When a cube's top is chopped off to create a rectangular box, the original cube's side length is 5.43 feet as a result.
what is rectangle ?A rectangular is a square with four right angles in Euclidean geometry and trigonometry. You may also speak to it as an equiangular tetra, meaning that all of its edges are equal. A straight angle could also be found in the parallelogram. Rectangles with four evenly sized sides are called squares. Four 90 ° vertices and equal equal sides make up a quadrant with the look of a rectangle. As a basis, it's also known as a raster images rectangle. A rectangle is also referred to as a trapezoidal since its opposite angles are equal but parallel.
given
Let x represent the cube's edge in feet.
Cube volume equals side 3
Hence, the given cube's volume,
The top of a cube is now chopped off in a 4 foot thick chunk.
The slice's volume is equal to x x x 4 = 4x2 ft2.
The volume of the final figure is therefore equal to the sum of the volumes of the cut and cube figures.
= ( x³ - 4x² ) ft²
The answer to the query is
Finding the zeros of the function will lead to the discovery of the solution to the aforementioned equation ( by graphing ),
We discovered that
The equation's graph crosses x at (5.426,0)
Hence, 5.426 is the equation's zero.
⇒ x = 5.426 ≈ 5.43
When a cube's top is chopped off to create a rectangular box, the original cube's side length is 5.43 feet as a result.
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A train travels 75 miles in 1/2 hour. How many miles does the train travel in 8 hours?
Answer:
Step-by-step explanation:
75 x 2 = 150mph
150 x 8 = 1200 miles
The train will travel 1200 miles in 8 hours.
What is speed?Speed is defined as the ratio of the time distance traveled by the body to the time taken by the body to cover the distance. Speed is the ratio of the distance traveled by time. The unit of speed in miles per hour.
If the train travels 75 miles in 1/2 hour, we can use this information to find the train's speed:
Speed = Distance/Time
Speed = 75 miles / 0.5 hour
Speed = 150 miles/hour
Now that we know the speed of the train, we can use it to find how many miles the train will travel in 8 hours:
Distance = Speed x Time
Distance = 150 miles/hour x 8 hours
Distance = 1200 miles
Therefore, the train will travel 1200 miles in 8 hours.
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Expand the logarithm fully using the properties of logs. Express the final answer in terms of \log x log x. log7x2
Therefore, the expansion of log(7x²) using the properties of logarithm is
log 7 + 2log x, expressed in terms of log x.
What exactly is a logarithm?The mathematical idea of a logarithm illustrates the opposite of a power. It follows that the exponential that must be multiplied by bc to get the value of a number, x, is equal to its ground logarithm. As an illustration, 1000 = 103, so log10 = 3 is 1000's base-10 logarithm, which is 3. As an example, the square of ten is now only one twentieth of the base-10 exponential of ten, which is two. Log 100 = 2. Mathematicians use the logistic (or log) notion to respond to problems like these.
Here,
Using the product rule of logarithms, we can write:
log(7x²) = log 7 + log(x²)
Using the power rule of logarithms, we can write:
log(7x²) = log 7 + log(x²) = log 7 + 2log x
Therefore, the expansion of log(7x²) using the properties of logs is:
log 7 + 2log x, expressed in terms of log x.
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NEED HELP!! PLS
What is the volume of the rectangular prism?
a rectangular prism with a length of eight inches, a width of four inches, and a height of three inches
96 in3
98 in3
106 in3
116 in3
Answer:
The volume of the rectangular prism is 96.
Step-by-step explanation:
Use the formula L × W × H to get your answer. Plug in the givem measurements. 8 × 4 × 3 = 96.
If X = 6 units, Y = 4 units, and Z = 13 units, then what is the volume of the triangular pyramid shown above?
A.
44 cubic units
B.
39 cubic units
C.
104 cubic units
D.
52 cubic units
The volume of the triangular pyramid shown is (c) 104 cubic units
How to determine the volume of the triangular pyramid shownFrom the question, we have the following parameters that can be used in our computation:
X = 6 units, Y = 4 units, and Z = 13 units
The volume is calculated as
Volume = xyz/3
Substitute the known values in the above equation, so, we have the following representation
Volume = 6 * 4 * 13/3
Evaluate
Volume = 104
Hence, the volume is (c) 104 cubic units
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I need the amplitude,period and frequency please.
The amplitude, period and frequency are 1, 2π and 1/2π
How to determine the given propertiesFrom the question, we have the following parameters that can be used in our computation:
f(x) = sin(x - π/2) - 2
A sinusoidal function is represented as
f(x) = Asin(B(x + C)) + D
Where
Amplitude = A
Period = 2π/B
So, we have
A = 1
Period = 2π/1
Period = 2π
For the frequency, we have
frequency = 1/Period
frequency = 1/2π
Hence, the frequency is 1/2π
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Can someone check my wrong answers for me? thank u
Are you more likely to see a twelve-pack from the local brewery or a twelve-pack from the large chain with an average fill of 327.9 ml?
Local brewery.
a. At the local brewery the middle 95% of six-packs will have an average fill between ml 326.828 and 329.572 ml
b. At the large chain brewery, the middle 95% of six-packs will have an average fill between 326.824 ml and 329.176 ml.
How to solve thisX ζ N (328.2, 0.7^2)
YζN (328, 0.6^2)
P (X> 327.9) = 0.6659
P (Y> 327.9) = 0.5662
Since, P (X> 327.9) > P (Y> 327.9)
We are more likely to see 12-pack from the local brewery.
a. To find a, b such that P(a<x<b) = 0.95
a= 326.828
b= 329.572
b. To find c, d such that P(c<Y<d) = 0.95
c= 326.824
d= 329.176
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In which of the following is the Definition of the Derivative correctly stated? Choose all that apply. Instantaneous rate of change Slope of the secant line Average rate of change Slope of the tangent line
h→0
lim
h
f(x+h)−f(x)
The Definition of the Derivative correctly stated by
Instantaneous rate of change Slope of the secant line [tex]\lim_{h \to 0}[/tex] f(x+h)- f(x) / hWhat is Derivative?In mathematics, a derivative is the rate at which a function changes in relation to a variable. Calculus and differential equations issues must be solved using derivatives.
As, we know by definition of derivative
= [tex]\lim_{h \to 0}[/tex] f(x+h)- f(x) / h
Also, the Derivative also shows the Slope of the secant line.
and, derivative is widely used to the rate of change then it also shows
Instantaneous rate of change.
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Use properties to rewrite the given equation. Which equations have the same solution as 2.3p – 10.1 = 6.5p – 4 – 0.01p? Select two options. 2.3p – 10.1 = 6.4p – 4 2.3p – 10.1 = 6.49p – 4 230p – 1010 = 650p – 400 – p 23p – 101 = 65p – 40 – p 2.3p – 14.1 = 6.4p – 4
The two equations that have the same solution as the original equation are: 23p - 101 = 65p - 40 - p, 2.3p - 14.1 = 6.4p - 4
Describe Equation?An equation is a mathematical statement that shows that two expressions are equal. It is usually written as an expression on the left-hand side (LHS) and an expression on the right-hand side (RHS) separated by an equal sign (=).
The expressions on both sides of the equation can contain variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. The variables in an equation represent unknown values that can vary, while the constants are fixed values that do not change.
Equations are used to represent mathematical relationships or describe real-world situations. They can be used to solve problems, make predictions, and test hypotheses.
To solve an equation, one must find the value of the variable that makes the LHS equal to the RHS. This is done by performing mathematical operations on both sides of the equation to isolate the variable. The goal is to get the variable by itself on one side of the equation, with a specific value on the other side.
Equations can be simple or complex, linear or nonlinear, and can involve one or more variables. Examples of equations include:
2x + 5 = 13
y = 3x^2 - 2x + 7
4a + 2b - 3c = 10
Equations are used in many areas of mathematics and science, including physics, chemistry, and engineering, among others.
The equations that have the same solution as 2.3p – 10.1 = 6.5p – 4 – 0.01p are:
23p – 101 = 65p – 40 – p
2.3p – 14.1 = 6.4p – 4
To rewrite the given equation in a different form, we can simplify it using the distributive property and combining like terms:
2.3p - 10.1 = 6.5p - 4 - 0.01p
2.3p - 6.5p + 0.01p = -4 + 10.1
-4.19p = 6.1
p = -1.456
Now we can plug this value of p into each of the answer choices and see which ones give the same result:
23p - 101 = 65p - 40 - p
24p - 101 = 64p - 40
p = 3.5
This solution is not the same as the solution we found for the original equation, so this choice is not correct.
2.3p - 14.1 = 6.4p - 4
8.7p = 10.1
p = 1.16
This solution is also not the same as the solution we found for the original equation, so this choice is not correct.
Therefore, the two equations that have the same solution as the original equation are:
23p - 101 = 65p - 40 - p
2.3p - 14.1 = 6.4p - 4
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Looking for help with this one?
[tex] \frac{x + 2}{2x - 2} = \frac{1}{2} [/tex]
Answer:
No solution
Step-by-step explanation:
We are given the following equation and asked to solve for x
[tex]\dfrac{\left(x+2\right)}{2x-2}=\dfrac{1}{2}[/tex]
[tex]\mathrm{Apply\:fraction\:cross\:multiply:\:if\:}\dfrac{a}{b}=\dfrac{c}{d}\mathrm{\:then\:}a\cdot \:d=b\cdot[/tex]
[tex]\left(x+2\right)\cdot \:2=\left(2x-2\right)\cdot \:1[/tex]
[tex]\mathrm{Simplify}2x + 2 = 2x - 2\\\\\textrm{Subtract\;$2x$\;both\;sides}:\\-2 = 2[/tex]
Since the sides are not equal this indicates there is no solution to this system.
Consider a binary classification problem for which you know that the conditional class probabilities are given by: P2 (t) = Pr (Y; = 1|X, = x) = and po (I) = Pr (Y; = 0[Xi = 1) = 1 - P: (I). Find the optimal Bayesian classifier. (Hint: Your classifier should be of the form: if Xe [a, b] then yi = 1, where a and b are two scalars you need to find).
The optimal Bayesian classifier is the one that minimizes the probability of misclassification. This can be achieved by choosing the class that has the highest posterior probability given the observed data. In this case, we need to compare the conditional class probabilities P2(t) and P0(I) for each data point and choose the class with the higher probability.
To find the optimal Bayesian classifier, we need to find the values of a and b that define the decision boundary between the two classes. This can be done by setting P2(t) = P0(I) and solving for x:
P2(t) = P0(I)
Pr(Y; = 1|X, = x) = Pr(Y; = 0[Xi = 1)
1 - P2(I) = P2(I)
2P2(I) = 1
P2(I) = 0.5
Now we can solve for x to find the decision boundary:
0.5 = Pr(Y; = 1|X, = x)
0.5 = P2(I)
x = a + b
Therefore, the optimal Bayesian classifier is of the form:
if Xe [a, b] then yi = 1
if Xe [b, a] then yi = 0
where a and b are the values of x that satisfy P2(I) = 0.5.
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Show that when the input value increases from x to x + 1, the output values h (x + 1) and h(x) have a
quotient of 4.
We have shown that when the input value increases from x to x + 1 the output values h(x + 1) and h(x) have a quotient of 4
Showing that when the input value increases from x to x + 1 the output values h(x + 1) and h(x) have a quotient of 4To show that when the input value increases from x to x+1, the output values h(x+1) and h(x) have a quotient of 4, we need to show that:
{h(x+1) - h(x)}/{1} = 4
Which simplifies to:
h(x+1) - h(x) = 4
If we assume that h is a differentiable function, we can use the mean value theorem to prove this.
By the mean value theorem, there exists a number c between x and x+1 such that:
h(x+1) - h(x) = h'(c)
Where h'(c) is the derivative of h evaluated at c.
Since h'(x) is the rate of change of h with respect to x, we can interpret the equation h(x+1) - h(x) = h'(c) as saying that the change in h over the interval from x to x+1 is equal to the instantaneous rate of change of h at some point c in that interval.
If we assume that h'(x) = 4 for all x, then we have:
h'(c) = 4
For any c between x and x+1. Substituting this into the equation above, we get:
h(x+1) - h(x) = 4
which is what we wanted to show.
Hence, if h is a differentiable function and h'(x) = 4 for all x, then when the input value increases from x to x+1, the output values h(x+1) and h(x) have a quotient of 4
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Mark would like to buy a new guitar that costs $169.00. Mark has saved $55 and receives an allowance of $12 a week. Choose the equation that represents how many weeks, w , it will take for Mark to save enough money to buy the guitar. Responses
With a weekly budget of $12, Mark will need to save money for 9 weeks, 5 days in order to purchase the guitar.
what is equation ?The value is said to be in its simplified form when divided through its smallest equivalent fraction. How to find the most basic form. Find common factors in the denominator and numerators. Verify a minority integer t verify if it qualifies like a prime number. A statement comprising two rotational symmetry and an equal sign in the middle is called an equation in mathematics. The general form of almost any equation contains the degrees of all variables in descending order. The conventional form of something like a linear equation is an x + b = 0. The general form of a mathematical expression with two variables is an x + b y + c = 0. (or something similar). Equations can be categorized as identities or conditional solutions. An identity holds true irrespective of the value given to the variables.
given
let the week be x
equation = $55 + 12x = $169.00
55 + 12x = 169
12x = 169 - 55
12x = 114
x = 9.5
With a weekly budget of $12, Mark will need to save money for 9 weeks, 5 days in order to purchase the guitar.
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