HELP!! 50 points !!



13. An online job - seeking service allows job - seekers to post their resumés for free. The service charges employers looking for applicants a fee to look through the resumés. The fee is based on how long the employer wants the employer wants to consider. The fees are $585 for a 100 - mile radius for access to the resumés , and how many miles from the workplace address 3 weeks and $675 for a 150-mile radius for 3 weeks. A If there are 98 resumés within a 100 - mile radius , what is the average cost to b. If there are 208 resumés within a 150 - mile radius , what is the average cost. Under the 150 - mile radius option , an employer would see the same 98 resumés from part a that he would have seen under the 100 - mile radius option. What is the average cost to the employer for looking at the extra resumés he would see if he opted for the more expensive plan ? Explain. The nearest cent to the employer for looking at each resume ? to the employer for looking at each resumé? d. Give an advantage and a disadvantage of opting for the more expensive plan.

The area bounded by the curve y = 8 − x³ and the x-axis is 15.5 square units.

The area bounded by the curve y = 8 − x³ and the x-axis is illustrated below. We need to determine the region's bounds and the integral to solve for the area.We need to determine the x-intercepts of the curve y = 8 − x³. Because the curve passes through the origin, it must have at least one x-intercept.

To find x, we set y = 0, 0 = 8 − x³, x³ = 8, x = 2.

The region is bounded by the curve y = 8 − x³, the x-axis, and the lines x = 0 and x = 2.

We have:∫₀² (8 - x³) dx

The area is calculated as follows:∫₀² (8 - x³) dx= [8x - (1/4) x⁴]₀²= (8(2) - (1/4)(2⁴)) - (8(0) - (1/4)(0⁴))= 15.5 square units

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Answer:

a=16

Step-by-step explanation:

10/a=15/24, a≠0

10/a=5/8

80=5a

5a=80

a=16,a≠0

a=16

The equation 2/3 - x + 1/6 = 6x - x has the same solution set as the equation x = 5/36.

To determine which equations have the same solution set as the given equation, let's simplify and rearrange the terms.

Starting with the given equation:

2/3 - x + 1/6 = 6x - x

We can simplify the left side by finding a common denominator for 2/3 and 1/6, which is 6:

(4/6) - x + (1/6) = 6x - x

Combining like terms on the left side gives us:

(5/6) - x = 6x - x

Further simplifying, we can combine the x terms on the right side:

(5/6) - x = 5x

To isolate the x term on one side, we can add x to both sides:

(5/6) = 6x

Next, we can divide both sides by 6 to solve for x:

5/36 = x

Therefore, the equation 2/3 - x + 1/6 = 6x - x has the same solution set as the equation x = 5/36. Any equation that simplifies and rearranges to x = 5/36 will also have the same solution set as the given equation.

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Answer:

Step-by-step explanation:

12x-34

Add all the sides together

2(x+3) + 6x + 4(x – 10)

distribute:

2x+6 + 6x + 4x-40

and add:

12x-34

Answer:

because it was not that much

Answer:

x = ±√(y/25 + 4)

Step-by-step explanation:

Given the expression;

y = 25x² - 100

We are to make x the subject of the formula;

-25x² = -y - 100

25x²= y + 100

x² = y/25 + 100/25

x²= y/25 + 4

x = ±√(y/25 + 4)

This give the value of x

To identify the surface, we first need to eliminate the parameters u and v from the vector-valued function r(u, v) = ui + vj + v/2k. This plane intersects the yz-plane along the line y = 2z, and extends infinitely in the x-direction.

r(u, v) =  We can rewrite the components of the vector as follows:
x = u
y = v
z = v/2
Now, to eliminate the parameters, we can simply express v in terms of z:
v = 2z
Thus, the rectangular equation for the surface is given by:
x = u
y = 2z
b) To sketch the graph of the surface, we can plot the equation in the xyz-coordinate system. Since x = u and y = 2z, we see that the surface is a plane. The equation y = 2z describes the plane where x can take any value, and the y-coordinate is twice the z-coordinate at any point on the plane. This plane intersects the yz-plane along the line y = 2z, and extends infinitely in the x-direction.

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The given statement is FALSE. Explanation:According to the given statement,f is continuous on [a, b], then b 5f(x) dx a = 5 b f(x) dx.This statement is not true. Therefore, it is false. The right statement is ∫a^b kf(x)dx= k ∫a^b f(x)dx, k is the constant and f(x) is the function, a, and b are the limits of integration.

The property of linearity of integrals states that:∫a^b [f(x) + g(x)]dx = ∫a^b f(x)dx + ∫a^b g(x)dxThis property is useful in the case where the integral of f(x) + g(x) is difficult to find but integrals of f(x) and g(x) are simpler to calculate.

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Step-by-step explanation:

So, the variable x can not represent adults and students because they tell us that 45 are clearly students.

Answer: 7.142857142857143

Step-by-step explanation: all you have to do is divide 28.5 by 3.99

The cost per ounce of shampoo is 7.15 ounce.

Assume that the cost per ounce of shampoo is ${x}.

Total cost of bottle of a dog shampoo is $3.99.

Amount of shampoo in the bottle is 28.5 ounces.

So, we can write the cost per ounce of shampoo as

x = 28.5/3.99

x = 7.15 ounce

The cost per ounce of shampoo is 7.15 ounce.

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Answer:

17

Step-by-step explanation:

You would make the 10.01 a 10 and the 7.07 a 7.

The equation that represents a proportional relationship is y/X = 2.5. That is option D.

A proportional relationship is the type of relationship that exist when between two variables which can be represented as y and x where a constant of proportionality exists between the two variables as k.

The relationship between these two variables can either be directly proportional or indirectly proportional.

The relationship that exists between X and y is a direct proportional relationship with a constant of proportionality of 2.5.

y = 2.5 X

= y/X = 2.5. Where 2.5 is the constant.

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We have the function

then

therefore f(10)=-130.

The number of degrees of freedom we should use is 14 for makin95% confidence interval.

Degrees of freedom of an estimate is the number of independent pieces of information that went into calculating the estimate. It’s not quite the same as the number of items in the sample. In order to get the df for the estimate, you have to subtract 1 from the number of items.

Degree of freedom of sample size of n : n -1

When we don't have any idea about population standard deviation,

and also, the sample size is less than 30 .

We use t-distribution to calculated the statistics.

According to the question,

We are making a 95% confidence interval

The sample is 15 (<30) . So , we have to adjust and use a t-value instead of a Z score in order to account for the smaller sample size and using the sample SD.  

Note that the t-value depends on the degrees of freedom (df) as a reflection of sample size. When using the t-distribution to compute a confidence interval, df = n-1.

So , making 95% confidence interval for population mean from sample size 15 , we need degree of freedom of 14

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Answer:

6 9/20

Step-by-step explanation:

6.45=645/100 = 129/120

= 6 9/20

i am horrible in math. help a girl out . 20 points for giving me answers

Answer:

5z

Step-by-step explanation:

Answer:

5z

Step-by-step explanation:

'The product of 5 and a number' would be 5 *  n.

Since the number in the question would be 'z', we will write it as '5 * z'.

However, the most ideal way to write this is '5z'. So,  "The product of 5 and a number z" would be '5z'.

Hope this helps.

The conditions that must hold for inferential procedures to be valid for this scenario are:

(b) the two sample groups must be independent of each other, (c) the data distribution for both men's and women's hemoglobin levels must be normally distributed or each sample size must be larger than 30, and (d) the observations within each sample must be independent.

(b) The two sample groups must be independent of each other because the samples should not be related in any way that could influence the results.

(c) The data distribution for both men's and women's hemoglobin levels must be normally distributed or each sample size must be larger than 30. If the data is not normally distributed, then the Central Limit Theorem can be applied if the sample size is greater than 30.

(d) The observations within each sample must be independent to avoid bias in the results. This means that each observation should not be influenced by any other observation.

(a) The expected count for each level of the categorical variable must be at least 5. This condition is relevant for Chi-square tests of independence, which are not being used in this scenario.

(e) There must be 10 successes and 10 failures in each sample. This condition is relevant for tests of proportions, which are not being used in this scenario.

So b,c and d are correct options.

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Answer:

The null hypothesis would not be rejected at an alpha level of 0.25.

Explanation:

When performing a hypothesis test, the alpha level (also known as the significance level) is the threshold for determining whether the null hypothesis should be rejected. If the p-value (the probability of observing the data given that the null hypothesis is true) is greater than the alpha level, then the null hypothesis is not rejected.

In your question, you stated that the null hypothesis was not rejected at an alpha level of 0.05, which means that the p-value was greater than 0.05. If you increase the alpha level to 0.25, this means that you are setting a higher threshold for rejecting the null hypothesis. Therefore, if the null hypothesis was not rejected at an alpha level of 0.05, it will also not be rejected at an alpha level of 0.25.

South Carolina can produce 26x26x10x10x10 = 676,000 different license plates with the configuration digit, letter, digit, letter, digit, digit.

Permutations are arrangements of objects in a specific order. For example, if you have the letters A, B, and C, the possible permutations are ABC, ACB, BAC, BCA, CAB, and CBA. Permutations are often used to calculate the total number of possible combinations for a given set of objects, as each permutation is a unique combination. For example, if you have three letters and three digits, the total number of permutations is 26x10x10x26x26x10 = 17576000.

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Answer:

3750 students

Step-by-step explanation:

50% of 30000 students are accepted.

so

50%*30000=(50/100)*30000=50*300=15000

25% of 15000 enroll

so

(25/100)*15000=25*150=3750

Answer:

168

Step-by-step explanation:

Answer:

50/277 is also the same as 50 ÷ 277, so just divide those two numbers.

50 ÷ 277 = 0.181

Now we find out 0.181 to the nearest hundredth

To the nearest hundredth when rounding the answer will be 0.18

So your answer is 0.18

Hope I helped! :)

Answer: 19.6 feet

Step-by-step explanation:

Using the Pythagorean theorem,

\(x^2 +(x+6)^2 =48^2\\\\x^2 +x^2 +12x+36=2304\\\\2x^2 +12x-2268=0\\\\x^2 +6x-1134=0\\\\x=\frac{-6 \pm \sqrt{6^2 -4(1)(-1134)}}{2(1)}\\\\x \approx 30.8 \text{ } (x > 0)\\\\\implies x+(x+6) \approx 67.6\\\\\therefore (x+(x+6))-48 \approx 19.6\)

equation of line

y=mx+b

If m=-3/2

we have

From points (2,3), we find b

Therefore

In other words, the triangles are consistent if the hypotenuse and one of the legs of one right triangle agree with the hypotenuse and one of the legs of another right triangle.

Congruent triangles are two triangles that are the same size and shape. Two congruent triangles remain congruent even if we flip, turn, or rotate one of them. Two triangles must have the same angles and, as a result, must be congruent if their sides are the same.

Two right triangles are supposed to be consistent on the off chance that they are of a similar shape and size. All in all, two right triangles are supposed to be consistent in the event that the proportion of the length of their comparing sides and their relating points is equivalent.

Right triangles are harmonious in the event that both the hypotenuse and one leg are a similar length. These triangles are harmonious by HL or hypotenuse leg.

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Answer:

x^3

Step-by-step explanation:

Answer:

Hi, hope this will help :-)

Coordinate of the endpoint B is equals to (1,-3) as per given midpoint and one endpoint.

" Midpoint is defined as the point which divides the line segment into two equal parts."

Formula used

Endpoints with coordinates are

\(A(x_{1}, y_{1})\) and \(B(x_{2}, y_{2})\)

Midpoints coordinates are

\(M(x,y) = (\frac{x_{1}+x_{2}}{2} , \frac{y_{1}+y_{2}}{2})\)

According to the question,

Given coordinates of line segment AB,

Coordinates of endpoints \(A (-5,7)\)

Coordinates of midpoints \(M (-2,2)\)

Substitute the value in the formula of midpoint we get,

\(M(-2,2) = (\frac{-5+x_{2}}{2} , \frac{7+y_{2}}{2})\)

For \(x_{2}\) coordinate

  \(-2 = \frac{-5+x_{2} }{2}\)

⇒ \(x_{2} = -4+5\)

⇒ \(x_{2} =1\)

For \(y_{2}\) coordinate

  \(2 = \frac{7+x_{2} }{2}\)

⇒ \(y_{2} =4-7\)

⇒ \(x_{2} =-3\)

Hence, coordinate of the endpoint B is equals to (1,-3) as per given midpoint and one endpoint.

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Answer:Measure

Angle

48°

А

B

(6. - 28)

(2x)

С

Find the value of x. Then find the measures of angles B and C

Enter your answers in the boxes.

mZB=

O

mZC =

o

Step-by-step explanation: