plzz helpChoose the correct graph that illustrates the equation by clicking on the image.

{(x, y): -1 x 3

Answer:

9.b 10.32 11.6 12.11

Step-by-step explanation:

9=a.Most students read 12 books

c.8.6 was then averaged.

d.there's a 16 book

10. highest number minus lowest number (54-22)

11. there's 16, 15,13,12,9,8

12. the median was just middle in box plot where the line is

Answer:

its A cause you dont no the hourly rate he rides and it 10 dollars for the the fee and paid 34 dollars all together

Step-by-step explanation:

The equations which has the same value of x as the given equation; Three-fifths (30 x minus 15) = 72 are;

Since the given equation in the task content is;

Three-fifths (30 x minus 15) = 72

The word phrase can be written algebraically as follows;

3/5 ( 30x - 15 ) = 72

The equation can therefore be solved as follows;

(3/5 × 30x) - (3/5 × 15) = 72

= ( 3 × 6x ) - (3 × 3) = 72

= 3 (6x - 3) = 72............. Equivalent expression.

By the distributive property; we have;

18x - 9 = 72..................... Equivalent expression

And by solving for the value of x; we have;

18x = 81

x = 81 / 18

x = 4.5

On this note, the equations which have the same value for x as; Three-fifths (30 x minus 15) = 72 are;

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Answer:

264 or x=264 if this is wrong i can correct it

Step-by-step explanation:

Answer:

p=11

Step-by-step explanation:

let A(3,7),B(-6,1),C(9,p) be the points.

or

B(-6,1),A(3,7),C(9,p) are the points in the same line.

let A divides BCin the ratio k:1

\(3=\frac{9k+1(-6)}{k+1} \\3k+3=9k-6\\3k-9k=-6-3\\-6k=-9\\k=\frac{-9}{-6} =\frac{3}{2} \\so~ratio~is~\frac{3}{2} :1\\or\\3:2\\again\\7=\frac{3p+2(1)}{3+2} \\5*7=3p+2\\3p=35-2=33\\p=\frac{33}{3} =11\)

Answer: 78 I think.. maybe .... ummm yeah I think so

Step-by-step explanation:

Answer:

draw a rectangle with side lengths 8 and 5. the ratio of the side lengths will be 8:5.

A point estimate is the value of a statistic that estimates the value of a parameter. Question 2 is false and question 3 is true.

Question 1: A point estimate is the value of a statistic that estimates the value of a parameter.A point estimate is a single number that is used to estimate the value of an unknown parameter of a population, such as a population mean or proportion

Question 2: False

Mu (μ) is not used to estimate X. Mu represents the population mean, while X represents the sample mean. The sample mean, X, is used as an estimate of the population mean, μ.

Question 3: True

Beta (β) is indeed used to estimate the population proportion (p) when conducting hypothesis testing on a sample. Beta represents the probability of making a Type II error, which occurs when we fail to reject a null hypothesis that is actually false. By calculating the probability of a Type II error, we indirectly estimate the population proportion, p, under certain conditions and assumptions.

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To construct a confidence interval for the difference between two population proportions, P₁ and P₂, we can use the formula:

CI = (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 desired level of confidence.

Given the following values:

X₁ = 383 (number of successes in sample 1)

n₁ = 539 (sample size 1)

X₂ = 438 (number of successes in sample 2)

n₂ = 572 (sample size 2)

Confidence level = 99%

First, we need to calculate the sample proportions:

P₁ = X₁ / n₁ = 383 / 539 ≈ 0.710

P₂ = X₂ / n₂ = 438 / 572 ≈ 0.766

Next, we need to calculate the standard error:

SE = sqrt((P₁(1-P₁)/n₁) + (P₂(1-P₂)/n₂)) ≈ sqrt((0.710(1-0.710)/539) + (0.766(1-0.766)/572)) ≈ 0.025

The z-score corresponding to a 99% confidence level is approximately 2.576.

Now, we can construct the confidence interval:

CI = (P₁ - P₂) ± Z * SE ≈ (0.710 - 0.766) ± 2.576 * 0.025 ≈ -0.056 ± 0.06

Therefore, the researchers are 99% confident that the difference between the two population proportions, P₁ - P₂, is between -0.120 and 0.008 (rounded to three decimal places).

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The y-intercept is (0, 4).

An alternate method to find the x-intercepts is to factor the quadratic equation.

The vertex is (-2, 0).

The graph of the equation is illustrated below.

One of the most common types of equations is a quadratic equation, which is an equation of the form ax² + bx + c = 0. In this case, we have the equation x² + 4x + 4 = 0, and we need to find the x-intercepts.

To find the x-intercepts, we can use the quadratic formula, which is given by:

x = (-b ± √(b² - 4ac)) / 2a

where a, b, and c are the coefficients of the quadratic equation. In this case, a = 1, b = 4, and c = 4, so we can substitute these values into the formula:

x = (-4 ± √(4² - 4(1)(4))) / 2(1) x = (-4 ± √(0)) / 2 x = -2

Therefore, the x-intercept is -2. We can check this by plugging in x = -2 into the equation and verifying that it equals zero:

(-2)² + 4(-2) + 4 = 0

In this case, we can see that the equation can be factored as:

(x + 2)² = 0

Taking the square root of both sides, we get:

x + 2 = 0

x = -2

This gives us the same x-intercept as before.

To find the vertex of the parabola represented by the equation, we can use the formula:

x = -b / 2a

and then substitute this value of x into the equation to find the y-coordinate of the vertex. In this case, we have:

x = -4 / 2(1) x = -2

Substituting x = -2 into the equation, we get:

(-2)² + 4(-2) + 4 = 0

Since the coefficient of x² is positive (i.e., a = 1 > 0), the parabola opens upwards and the vertex is a minimum.

To graph the parabola, we can plot the vertex at (-2, 0) and use the x-intercept we found earlier at (-2, 0). Since the equation is symmetric about the vertical line through the vertex, we know that there is another point on the graph that is the same distance from the vertex but on the other side of the line. Therefore, we can plot the point (-3, 0) as well. We can also find the y-intercept by setting x = 0 in the equation:

0² + 4(0) + 4 = 4

Using this information, we can sketch the parabola by connecting the points (-3, 0), (-2, 0), and (0, 4), and noting that the parabola is symmetric about the line x = -2.

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Answer:

x=17

Step-by-step explanation:

Since these angles are supplementary, they will add up to 180 degrees, so you can set up the equation like this:

4x+8+104=180

First, combine like terms:

4x+(8+104)=180

4x+112=180

Next, subtract 112 from both sides:

4x+112(-112)=180(-112)

4x=68

Then, divide each side by 4:

4x(/4)=68(/4)

x=17

17 is your answer.

90 different two-scoop ice cream cones we can make.

To find how many different two-scoop ice cream cones can you make:

Therefore, 90 different two-scoop ice cream cones we can make.

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The computation is that the width is 21.5 feet and the height is 12.5.

Let the height = h

Let the width = (3 × h) - 16 = 3h - 16

Therefore, the dimensions will be:

h + 3h - 16 = 34

4h = 34 + 16

4h = 50

Divide

h = 50/4

h = 12.5

Therefore width = 3h - 16 = 3(12.5) - 16

= 37.5 - 16

= 21.5

The width is 21.5 feet and the height is 12.5.

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The geometric sequence becomes

-4, -6.63, -11.02, -18.2, -30.3

We are given a geometric sequence in which some terms are missing. We have to find the missing terms. The sequence given is;

-4,  ,   ,    , -30.3

We are given that the geometric mean of the 1st and 5th terms is the third term. Therefore, we will find the GM of these two terms.

\(\sqrt{a b}\) = geometric mean

\(\sqrt{(-4)(-243/8)}\) = Geometric Mean

\(\sqrt{121.5\) = Geometric mean

Geometric mean = 11.02

Therefore, the third term is 11.02

-4,  , -11.02,    , -30.3

As the terms are in Geometric Progression, therefore;

a2/a1 = a3/a2

\((a2)^2 = a1 * a3\)

a2 = \(\sqrt{(a1 * a3)}\)

a2 = \(\sqrt{(-4)(11.02)}\)

a2 = 6.63

\((a4)^2 = a3 * a5\)

a4 = \(\sqrt{a3 * a5}\)

a4 = \(\sqrt{(11.02)(-30.3)}\)

a4 = -18.2

Therefore, the geometric sequence becomes

-4, -6.63, -11.02, -18.2, -30.3

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Answer: it would take him 10 hours to make 120 paper

Place a point at -7, and another point at 7. These two points represent the solution to the given equation.

The given algebraic statement is \(|x| = 7.\) To find the values of x for which the statement is true, we need to solve the absolute value equation.

An absolute value of a number is its distance from 0 on the number line.

Therefore, |x| = 7 means that the distance of x from 0 is 7. There are two possible scenarios:

1. x is 7 units to the right of 0 (positive direction). In this case, x = 7.
2. x is 7 units to the left of 0 (negative direction). In this case, x = -7.

So, the values of x for which the statement is true are x = 7 and x = -7.

On a number line, the set of all points corresponding to the values of x would include only two points, at\(x = 7\)and \(x = -7\).

To visualize this, draw a number line with 0 in the center.

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Answer:

yeah, I'm failing english ️

Answer: A

Step-by-step explanation: I would say A because the angle is greater than 90 degrees

Answer:

We have supplementary angles.

76 + 3x + 2 = 180

3x + 78 = 180

3x = 102

x = 34

My reactions to this:

???

My notes to you:

This is confusing... (At least for me it is...)

Answer:

X= 6.6

Length of de = 16.2

Step-by-step explanation:

Answer:

Step-by-step explanation:

A consumer is considering two different purchasing options for the car of their choice. The first option, which is leasing, is described by the equation 250x - y + 4000 = 0 where x represents the number of months of ownership and y represents the total paid for the car after ‘x' months. The second option, which is the financing option, will cost $400 for 0 months of ownership, (0,400), and $4400 for 10 months of ownership, (10, 4400). Part A: Find the equations, in slope/y-intercept form, for each of the purchasing options. Explain the significance of the slope and y-intercept for each purchasing option.

Answer: For the first option which is leasing, it is described by the equation:

250x - y + 4000 = 0

The general equation of a line is y = mx + c, where m is the slope of the line and c is the intercept on the y axis.

Since 250x - y + 4000 = 0, we need to make it in the form of the general equation by making y the subject of the formula.

Therefore:

y = 250x + 4000

This means that the slope is 250 and the y intercept is 4000. That is at 0 months, the amount paid for the car is $4000 for the first option. As the value of the months increase by 1, the amount paid for the car increase by 250

The second option, which is the financing option, will cost $400 for 0 months of ownership, (0,400), and $4400 for 10 months of ownership, (10, 4400). To get the equation of the line, we use the formula:

\(\frac{y-y_1}{x-x_1}=\frac{y_2-y_1}{x_2-x_1}\\ Substituting:\\\frac{y-400}{x-0}=\frac{4400-400}{10-0}\\\frac{y-400}{x} = 400\\y=400x+400\)

The second option has a slope of 400 and an intercept of 400. At 0 months, $400 is paid for ownership. As the value of the months increase by 1, the amount paid for the car increase by 400

Answer:

Step-by-step explanation:

The root which is 2 is the fractional portion of your exponent

\(\sqrt{x^{7} y^{12} }\)

=\((x^{7} y^{12} )^{\frac{1}{2} }\)              >You can distribute 1/2 to each term by multiplying

\(=x^{\frac{7}{2} } y^{6\)

Answer:

the first choice :)

Step-by-step explanation:

Answer:

Option A:   A = {CBA, CAB, BCA, ACB}

The slope of the line that divides the region bounded by the parabola \(y=5x-3x^2\)and the x-axis into two regions with equal area is 5.

To find the slope of the line that divides the region into two equal areas, we need to determine the point of intersection between the parabola and the x-axis. Since the line passes through the origin, its equation will be y = mx, where m represents the slope.

Setting the equation of the parabola equal to zero, we find the x-values where the parabola intersects the x-axis. By solving the equation\(5x - 3x^2 = 0\), we get x = 0 and x = 5/3.

To divide the region into two equal areas, the line must pass through the midpoint between these x-values, which is x = 5/6. Plugging this value into the equation of the line, we have y = (5/6)m.

Since the areas on both sides of the line need to be equal, we can set up an equation using definite integrals. By integrating the equation of the parabola from 0 to 5/6 and setting it equal to the integral of the line from 0 to 5/6, we can solve for m. After performing the integration, we find that m = 5.

Therefore, the slope of the line that divides the region into two equal areas is 5.

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Answer:

(3 X .25)+(5 X .1)+(1 X .05)=1.30, addition and multiplication

Step-by-step explanation:

I'm guessing you meant 1, not 122 nickels

Standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.

Standard deviation = √ {(xi – x)^2 / (n-1)}

here (xi – x)^ 2 means variance and n is sample size .

so we can say

Standard deviation = √{ (variance / sample size – 1 )}

here variance is 64.58 and sample size is 26 is given.

So stand deviation = √{64.58 / (26-1)}

standard deviation =0.32144673

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the standard deviation will be 0.32144673 for the data having variance as 64.58 and sample size as 26.

Standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.

Standard deviation = √ {(xi – x)^2 / (n-1)}

here (xi – x)^ 2 means variance and n is sample size .

so we can say

Standard deviation = √{ (variance / sample size – 1 )}

here variance is 64.58 and sample size is 26 is given.

So standard deviation = √{64.58 / (26-1)}

standard deviation = 0.32144673

Therefore, the standard deviation will be 0.32144673 for the data having variance as 64.58 and sample size as 26.

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Answer:

40.3 feet

Step-by-step explanation:

Use trigonometry.

First, set your calculator to Degrees instead of Radians. Next, draw a model like the attached image to help you better understand the question.

Now, figure out which trigonometric ratio to use. In this case, it is easiest to use sine (or cosine).

sin(38°) = x / 125

125(sin(38°)) = x

x ≈ 37.046

Finally, to find the height, simply add how high the hand is from the ground:

h = 37.046 + 3.25 = 40.296

So,

h ≈ 40.3 ft

Answer:

EF = 2.37

Step-by-step explanation:

It's given that these are similar triangles.

In similar triangles, the side lengths are proportional.

We can write the following equation based on this information:

\( \frac{11}{3.3} = \frac{7.9}{ef} \)

11EF = 27.03

EF = 2.37

Answer:

-4

Step-by-step explanation:

Answer:s

slope of -4x-3: m=-4