help with this please.​

The shape of the histogram will remain the same but will stretch horizontally.

1. Histograms Suppose that the line of code data.hist('x') generated Histogram A and the line of code data.hist('y') generated Histogram B. This is because Histogram A shows the distribution of the x values and Histogram B shows the distribution of the y values.

The x-axis of Histogram A corresponds to the x values and the y-axis corresponds to the frequency of those values. Similarly, the x-axis of Histogram B corresponds to the y values and the y-axis corresponds to the frequency of those values.

2. The new histogram generated by running new_data.hist('x') will look similar to Histogram A, but the x values will be multiplied by 5. This means that the x-axis will have larger values and the bars will be shifted to the right. The y-axis, which corresponds to the frequency of the x values, will remain the same.

The overall shape of the histogram will also remain the same, but it will be stretched horizontally.

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Answer:

1. Cube - In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. The cube is the only regular hexahedron and is one of the five Platonic solids. It has 6 faces, 12 edges, and 8 vertices.

2. Rectangular prism - is a solid figure that has six sides, called faces, that are rectangles.

3. Pyramid - is a solid figure that has a polygon as its base on one end and triangular faces all meeting at a single point on the other end.

4. Cone - a solid figure that has a circular face on one end, called the base, and a point at the other end where the sides meet.

5. Cylinder - is a solid figure that has two circular bases and one curved side.

6. Sphere - is a solid figure that is round and has the shape of a ball.

Step-by-step explanation:

0.0329

The question is asking about the probability that the second strike comes on the fourth well drilled. Here, the probability of striking oil is 35%. The probability of not striking oil is 65%. The question is asking about a specific combination of strikes, that is, the second strike comes on the fourth well drilled.Here, we can use the binomial distribution, with the following values, n = 4, p = 0.35, q = 0.65, k = 2Probability of exactly 2 successful attempts out of 4 attempts:The formula for binomial probability is:P(k)= (nck)(p^k)(q^(n−k))where n is the number of trials, k is the number of successful outcomes, p is the probability of success, and q is the probability of failure.The formula for finding the binomial coefficient (nCk) is:nCk = (n!)/(k!(n−k)!)where n is the total number of items, and k is the number of items being chosen.Explanation:Here, n = 4, k = 2, p = 0.35 and q = 0.65So, P(k=2) = (nCk)(p^k)(q^(n−k))= (4C2)(0.35^2)(0.65^(4−2))= (6)(0.1225)(0.4225)= 0.0329So, the probability that the second strike comes on the fourth well drilled is 0.0329 (rounded to four decimal places).

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Answer:

If its from least to greatest, it would be:

0.034, 0.04, 0.043, 0.403

Step-by-step explanation:

Solved using placement of the numbers

According to the question the fraction of the bigger square that is shaded is 50%.

Fraction is a numerical representation of a part of a whole or a ratio between two numbers. It is written in the form of a/b where a is the numerator and b is the denominator. A fraction can refer to a part of a whole number, a part of a set, or a part of a unit. Fractions are commonly used in mathematics, cooking, science, and many other areas.

This is because the ratio of the area of the smaller square to the area of the bigger square to the area of the triangle is 1:3:2. Therefore, the ratio of the area of the shaded parts of the squares to the area of the shaded triangle is 25%: 25%:50%. Since the area of the bigger square is three times that of the smaller square, then 50% of the bigger square must be shaded to maintain the given ratio.

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The required p-value of 0.277 is greater than the significance level of 0.10, we again fail to reject the null hypothesis.

To test the claim of a significant difference in lifespan for people in Town A and Town B, we can use a two-sample t-test. The null hypothesis is that there is no significant difference in the mean lifespan between the two towns, while the alternative hypothesis is that there is a significant difference.

Let [tex]$\mu_A and \mu_B$[/tex] be the true mean lifespans of the populations in Town A and Town B, respectively. Then the null and alternative hypotheses can be written as:

[tex]$H_0: \mu_A = \mu_B$[/tex]

[tex]$H_1: \mu_A \neq \mu_B$[/tex]

We can use the t-test statistic to test this hypothesis, which is calculated as:

[tex]$t = \frac{\bar{x}_A - \bar{x}_B}{\sqrt{\frac{s_A^2}{n_A} + \frac{s_B^2}{n_B}}}$[/tex]

where [tex]$\bar{x}_A$[/tex]and [tex]$\bar{x}_B$[/tex] are the sample means, [tex]$s_A$[/tex] and [tex]$s_B$[/tex] are the sample standard deviations, and[tex]$n_A$[/tex] and [tex]$n_B$[/tex] are the sample sizes.

Substituting the given values, we get:

[tex]$t = \frac{78.5 - 74.4}{\sqrt{\frac{11.2^2}{20} + \frac{12.3^2}{20}}} = 1.102$[/tex]

Using a two-tailed t-test with 38 degrees of freedom (20 + 20 - 2), and a significance level of 0.10, the critical value of t is:

[tex]$t_{\alpha/2,38} = \pm 1.686$[/tex]

Since the calculated t-value of 1.102 is less than the critical value of 1.686, we fail to reject the null hypothesis.

To find the p-value, we can use a t-distribution table or a calculator to find the probability of getting a t-value of 1.102 or more extreme (in either direction) if the null hypothesis is true. This is a two-tailed test, so we need to multiply the resulting probability by 2:

p-value = P(|t| > 1.102) = 2P(t > 1.102) = 2(1 - P(t < 1.102)) =0.277

Since the p-value of 0.277 is greater than the significance level of 0.10, we again fail to reject the null hypothesis.

Therefore, at a significance level of 0.10, we do not have sufficient evidence to conclude that there is a significant difference in lifespan for people in Town A and Town B.

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The food will therefore be plenty for 60 days. The assumption that the rate of food consumption will remain constant during the provision should be noted as it may not be totally accurate in real-world scenarios.

Mathematically, this can be expressed as:

240 x 50 = C x D

The result of simplifying the left side of the equation is:

12000 = C x D

40 kids left the motel after 10 days, leaving the following number of kids:

240 - 40 = 200

Now, we can calculate how many days the remaining food will endure for 200 kids using the same proportionality equation:

12000 = 200 x D

The result of multiplying both sides of the equation by 200 is:

D = 12000/200 = 60

The food will therefore be plenty for 60 days.

The assumption that the rate of food consumption will remain constant during the provision should be noted as it may not be totally accurate in real-world scenarios.

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The width of the rectangular prism is 7 feet, given the length is 7 feet, the depth is 3 1/4 feet, and the volume is 159 1/4 cubic feet.

We can use the  volume of a rectangular prism formula, which is length x width x height. We are given the length (7 feet), the depth (3 1/4 feet), and the volume (159 1/4 cubic feet). Let's substitute these values into the formula and solve for the width:

7 feet x width x 3 1/4 feet = 159 1/4 cubic feet

Multiplying 7 feet and 3 1/4 feet, we get:

22 3/4 square feet x width = 159 1/4 cubic feet

Dividing both sides by 22 3/4 square feet, we get:

width = (159 1/4 cubic feet) / (22 3/4 square feet)

Simplifying the fraction, we get:

width = (637/4) / (91/4)

As multiplying by a fraction's reciprocal is equivalent to dividing by it, we get:

width = (637/4) x (4/91)

The factor of 4 in the numerator and denominator cancels out, so we get:

width = 637/91

Simplifying the fraction, we get:

width = 7

Therefore, the width of the rectangular prism is 7 feet.

Given the length, depth, and volume of a rectangular prism, we can use the formula for the volume to solve for the width. In this case, we substitute the given values and solve for the unknown width by simplifying the algebraic expression. The resulting width is 7 feet.

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The total number of stones required to pave the yard would be 100,000√3 stones and the cost would be Rs. 500000√3 at the rate of Rs. 5 per stone.

To find the number of stones required, we need to find the area of the triangular yard and then divide it by the area of each stone.

First, let's find the area of the triangular yard using Heron's formula:

s = (50 + 50 + 60) / 2 = 80

Area = √(s(s-50)(s-50)(s-60)) = √(803030*20) = 1200√3 m²

Now, we need to convert the area to cm² and divide by the area of each stone:

Area in cm² = (1200√3) * 10000 = 12000000√3 cm²

Number of stones required = (Area in cm²) / (Area of each stone) = (12000000√3) / 120 = 100000√3 stones

Finally, to calculate the total cost at the rate of Rs. 5 per stone, we simply multiply the number of stones by the rate per stone:

Total cost = (100000√3) * Rs. 5 = Rs. 500000√3

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Step-by-step explanation:

4. 2/ 15 x 45/1 = 90/15

=6inches

( 15 is the total of the ratio)

5. Sum of angles in a triangle in 180

Total of the ratio is 17+16+12 = 45

Largest angle is 17/ 45 x180/1 = 68 degree

Ans 68degrees

6. 2x + 7/ 3x - 4 = 11/2

Cross multiply

2( 2x + 7) = 11(3x - 4)

Expand the equation

4x +14 = 33x - 44

Subract 4x from both sides

14 = 29x - 44

Add 44 to both sides

58 =29x

Divide both sides by 29

X =2

Answer:

If no other deposits or withdrawals are made, the account will have a balance of $1406.08 after 9 months. Find the annual interest rate. Expert Answer.

1 answer

·

Top answer:

Given that P=1,250A=1,406.08n=9 month

Step-by-step explanation:

The function that represents the graph below is given as follows:

c. y = 4x³.

Before defining the function which defines the graph, we must obtain the domain and the range of the function, as follows:

As the function has a range of all real values, we know that it is a cube function and not a square function, removing options a and b.

The function is positive and negative as follows:

Hence the function has a positive leading coefficient, meaning that option c is the correct option.

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The dimensions of the rectangular garden is 25 feet by 50 feet

To find the dimensions of a rectangular garden that is 5 feet longer than it is wide, when the homeowner has 100 feet of fencing to enclose it, you can use the equation for the perimeter of a rectangle (P = 2l + 2w). Since the perimeter of the rectangle is given (100 feet), you can solve for l and w, the length and width of the rectangle.

P = 2l + 2w

100 = 2l + 2w  

50 = l + w  l = 50 - w  

2(50 - w) + 2w = 100  

100 - w = 2w  , w = 25  l = 50 - 25,   l = 25  

Therefore, the dimensions of the rectangular garden that is 5 feet longer than it is wide, when the homeowner has 100 feet of fencing to enclose it, is 25 feet by 50 feet.

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The mean of the sampling distribution of Ô1 - Ô2 is 0.08, which indicates that on average, the no. 1 team makes 8% more free throws than the no. 2 team.

The mean of the sampling distribution of the difference in sample proportions of successful free throws, Ô1 - Ô2, can be calculated as:

mean(Ô1 - Ô2) = Ô1 - Ô2

Since the samples are random and independent, the mean of the sampling distribution is simply the difference between the population proportions:

mean(Ô1 - Ô2) = Ô1 - Ô2 = 0.72 - 0.64 = 0.08

Therefore, the mean of the sampling distribution of Ô1 - Ô2 is 0.08, which indicates that on average, the no. 1 team makes 8% more free throws than the no. 2 team.

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Answer:

a) To calculate the total amount to be repaid, we need to add the interest to the principal amount.

The formula for simple interest is:

I = P * r * t

where I is the interest, P is the principal amount, r is the interest rate per year, and t is the time in years.

In this case, P = $9000, r = 12% = 0.12, and t = 5 years.

So, the interest on the loan is:

I = $9000 * 0.12 * 5 = $5400

The total amount to be repaid is:

Total amount = Principal + Interest = $9000 + $5400 = $14400

Therefore, the total amount to be repaid is $14,400.

b) To calculate the monthly repayment amount, we need to divide the total amount to be repaid by the number of months in 5 years (60 months), since the repayments are spread equally over 5 years.

Monthly repayment amount = Total amount to be repaid / Number of months

= $14,400 / 60

= $240

Therefore, the monthly repayment amount if the repayments are spread equally over the 5 years is $240.

The slope and the y-intercept of the line that is perpendicular to y = 5x - 2 and passes through the origin are given as follows:

The line for this problem is given as follows:

y = 5x - 2.

Meaning that the slope and the intercept are given as follows:

When two lines are perpendicular, the multiplication of their slopes is of -1, hence the slope of the line perpendicular to y = 5x - 2 is given as follows:

5m = -1

m = -1/5.

The line also passes through the origin, meaning that when x = 0, y = 0, hence the intercept is of zero.

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The equation of the line that is parallel to the line y = x 4 and passes through the point (6, 5) is y = x - 1

The line y = x + 4 has a slope of 1 because it is in the form y = mx + b, where m is the slope of the line. To find a line parallel to this line, we need to use the same slope of 1.

Now, we can use the point-slope form of a linear equation to find the equation of the line that passes through the point (6, 5) with a slope of 1:

y - y1 = m(x - x1)

where m = 1, x1 = 6, and y1 = 5.

Plugging in the values, we get:

y - 5 = 1(x - 6)

Simplifying, we get:

y - 5 = x - 6

y = x - 1

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The population of salmonella enterica after 75 hours is 80 grams, which is equivalent to 8 cells. That is, the population of salmonella enterica has increased from 1 cell to 8 cells after 75 hours.

Exponential growth is a pattern of growth that is rapid and often exponential. It occurs when the rate of change in a variable is proportional to the variable's current value. This means that a small change in the variable can result in a large increase or decrease in its value over a short period of time.

The population of salmonella enterica bacteria doubles every 25 hours. This means that each hour, the population of the bacteria increases by a factor of two. To calculate the number of bacteria after 75 hours, we need to apply the concept of exponential growth. Exponential growth is a process by which the value of a variable increases exponentially, or multiplicatively, over time.

Assuming that the population of salmonella enterica was initially 10 grams, the population after 75 hours can be calculated using the equation:

Population = 10 * 2⁽⁷⁵÷²⁵⁾

The population after 75 hours is thus 10 * 2³ = 80 grams. This means that the population of salmonella enterica has increased from 10 grams to 80 grams after 75 hours.

Since each cell of salmonella enterica has a mass of 10 grams, the population after 75 hours can also be calculated in terms of cells. The population of salmonella enterica after 75 hours is 80 grams, which is equivalent to 8 cells. That is, the population of salmonella enterica has increased from 1 cell to 8 cells after 75 hours.

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1/3(12x+6x-21) combine like terms

= 1/3(18x-21) distribute

= 6x - 7

The instantaneous rate of change at x=1.

In mathematics, a function is a relation between sets that assigns to each element of a given set, exactly one element of a related set. This relationship between two sets is called a mapping, and it is commonly represented using a function notation. Functions are used to describe mathematical relationships and are studied extensively in mathematics, computer science, and other related fields.

The instantaneous rate of change at x=1 can be estimated using the concept of derivatives. A derivative is a mathematical operation that measures the rate at which a function changes with respect to its input. In this case, the derivative of the given function will measure the rate at which the function changes with respect to the input x=1.

The derivative of a function can be calculated using the formula:

f′(x)=limh→0[f(x+h)-f(x)]/h

Where f′(x) is the derivative of the function, f(x) is the function, and h is a small number close to zero.

To calculate the derivative of the function at x=1, we can plug in x=1 into the formula:

f′(1)=limh→0[f(1+h)-f(1)]/h

By calculating this limit, we can estimate the instantaneous rate of change at x=1.

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Answer: A

Step-by-step explanation:

Answer:

1(4)6/7 37)95/9546(76 is the answer

The largest deviation and mean are 11 and the smallest deviation and mean are 4, respectively. Although we cannot give an exact answer, the standard deviation will always fall between 4 and 11. It will be the average of these values.

The standard deviation reveals how far data deviates from the mean. While a high standard deviation indicates that the data are more dispersed, a low standard deviation indicates that the data are clustered around the mean.
Standard deviation is important because it makes measurements easier to understand when the data is distributed.

standardstandard deviation of the data will be higher the more evenly distributed the data is.
The largest deviation and mean are 11 and the smallest deviation and mean are 4, respectively. Although we cannot give an exact answer, the standard deviation will always fall between 4 and 11. It will be the average of these values.
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Answer:

See below for proof.

Step-by-step explanation:

Use the following trigonometric identities to verify the given identities:

[tex]\boxed{\cot(x)=\dfrac{\cos(x)}{\sin(x)}}[/tex]

[tex]\boxed{\sec(x)=\dfrac{1}{\cos(x)} \implies \cos(x)=\dfrac{1}{\sec(x)}}[/tex]

[tex]\boxed{\tan(x)=\dfrac{\sin(x)}{\cos(x)}}[/tex]

[tex]\boxed{\sin^2(x)+\cos^2(x)=1 \implies \cos^2(x)=1-\sin^2(x)}[/tex]

[tex]\begin{aligned}\dfrac{1}{\sin(x)\cot(x)}&=\dfrac{1}{\sin(x) \cdot\frac{\cos(x)}{\sin(x)}}\\\\&=\dfrac{1}{\frac{\sin(x)\cos(x)}{\sin(x)}}\\\\&=\dfrac{\sin(x)}{\sin(x)\cos(x)}\\\\&=\dfrac{1}{\cos(x)}\end{aligned}[/tex]

[tex]\begin{aligned}\sec(x)-\tan(x)\sin(x)&=\dfrac{1}{\cos(x)}-\dfrac{\sin(x)}{\cos(x)} \cdot \sin(x)\\\\&=\dfrac{1}{\cos(x)}-\dfrac{\sin^2(x)}{\cos(x)}\\\\&=\dfrac{1-\sin^2(x)}{\cos(x)}\\\\&=\dfrac{\cos^2(x)}{\cos(x)}\\\\&=\cos(x)\\\\&=\dfrac{1}{\sec(x)}\end{aligned}[/tex]

The probability is 0.2137

Explanation:

Given a particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls.

The probability that in a sample of 25 incoming calls, exactly 5 of them involve fax messages is calculated as follows;

P(X = 5) = 25C5(0.25)⁵(0.75)²⁰= 53130(0.25)⁵(0.75)²⁰= 0.2137

Therefore, the probability that in a sample of 25 incoming calls, exactly 5 of them involve fax messages is 0.2137.

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Answer:

the distance between the two points (-8,-3) and (-1,4) is 7sqrt(2) units.

Step-by-step explanation:

We can use the distance formula to find the distance between the two points:

d = sqrt((x2 - x1)^2 + (y2 - y1)^2)

Let's substitute the given coordinates:

d = sqrt((-1 - (-8))^2 + (4 - (-3))^2)

d = sqrt(7^2 + 7^2)

d = sqrt(2 x 7^2)

d = 7sqrt(2)

Therefore, the distance between the two points (-8,-3) and (-1,4) is 7sqrt(2) units.

Answer: y=3/2x+4

Step-by-step explanation: The equation for the line below is [tex]y=\frac{3}{2}x +4[/tex]

This equation is correct because the formula is y=mx+b. m is the slope and you can see the slope is [tex]\frac{3}{2}[/tex] and x is to represent that the number is the slope. The b, or +4 represents where the line crosses over the x-axis.

The equation is [tex]y=\frac{3}{2}x +4[/tex]

Let me know if you have any other questions about this problem.

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At Games Galore Super Store, you would pay $42 to purchase the latest video game.

The term "purchase" typically refers to the act of buying something, usually with money or some other form of payment. When you make a purchase, you acquire ownership or possession of the item or service that you have bought. Purchases can range from everyday items like food and clothing to larger investments like a car or a house.

If the wholesale price of a video game is $30.00 and the markup rate at Games Galore Super Store is 40%, then the store will sell the game at a price equal to:

$30.00 + (40% * $30.00) = $30.00 + $12.00 = $42.00

Therefore, you would pay $42.00 to purchase a video game at Games Galore Super Store.

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The surface area of the cylinder is 420 in^2. The base area of the cylinder is 67.02 in².

Given that the surface area of the cylinder is 420 in², we have to find its base area.

To find the base area of the cylinder, we have to use the formula for the surface area of the cylinder.

The formula is:

Surface area of the cylinder = 2πr(r + h)

Here, π = 3.14,

r is the radius of the base of the cylinder, and h is the height of the cylinder.

Since the base is a circle, the area of the base is given by the formula:

A = πr²We can calculate the radius of the cylinder using the given surface area.

420 = 2πr(r + h)420

      = 2 × 3.14 × r(r + h)420

      = 6.28 r² + 6.28 rh

Now we need to assume some value of h. For example, if we take h = 7, then we have:

420 = 6.28 r² + 6.28 r (7)

420 = 6.28 r² + 43.96 or

6.28 r² + 43.96 r - 420 = 0

Now we can solve this quadratic equation to find the value of r. Using the quadratic formula:

r = [-b ± sqrt(b² - 4ac)] / 2a

Putting a = 6.28, b = 43.96, and c = -420, we get:

r = [-43.96 ± sqrt(43.96² + 4(6.28)(420))] / 2(6.28)

r = [-43.96 ± sqrt(3291.84)] / 12.56r = (-43.96 + 57.40) / 12.56 or

r = (-43.96 - 57.40) / 12.56r = 1.10 or r = -1.82

We can discard the negative value of r, so we have:r = 1.10

Now we can calculate the base area of the cylinder using the formula for the area of a circle.A = πr²A = 3.14 × (1.10)²A = 3.14 × 1.21A = 3.80 (rounded to the nearest hundredth)

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