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horrorfan [7]
2 years ago
9

Question 2 Multiple Choice Worth 2 points)

Mathematics
1 answer:
damaskus [11]2 years ago
3 0

Answer:

B = \frac{3}{2} * 21,356

Step-by-step explanation:

Given

Represent Jimmy with J and Bob with B

J = 21,356

B = 1\frac{1}{2} * J

Required

Determine the expression for B

B = 1\frac{1}{2} * J

Substitute 21,356 for J

B = 1\frac{1}{2} * 21,356

Convert Mixed fraction to improper

B = \frac{3}{2} * 21,356

The above is an expression for B

Solving further, we have

B = \frac{3 * 21,356}{2}

B = \frac{64068}{2}

B = 32034

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For the most recent year available, the mean annual cost to attend a private university in the United States was $20,307. Assume
Maksim231197 [3]

Answer:

27,361.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 20307, \sigma = 4275

Ninety-five percent of all students at private universities pay less than what amount?

This is the 95th percentile, that is, X when Z has a pvalue of 0.95. So X when Z = 1.65.

Z = \frac{X - \mu}{\sigma}

1.65 = \frac{X - 20307}{4275}

X - 20307 = 1.65*4275

X = 27,361

So the answer is 27,361.

7 0
3 years ago
Determine the greatest common factor (GCF): 10, 20, 40<br> Cual es la respuesta correcta
aniked [119]

Answer:

GCF would be 10

Step-by-step explanation:

GCF, aka <em>the greatest common factor</em> is the biggest number that can be multiplied to get that number. for example, in this situation it would be 1- because 10 can be multiplied to get any of those numbers. 1 x 10 = 10 ; 2 x 10 =20 ; 4 x 10 = 40. hope this helped!!

4 0
3 years ago
A disc has a diameter of 21 cm while a mini disc has a diameter of 14cm. Write the ratio of the mini disc diameter to the disc d
Serjik [45]

Answer:

mini disc diameter:disc diameter

14cm:21cm = 7:10.5 = 3.5:5.25 = 1:1.5

4 0
2 years ago
Algebra 1: Factoring Polynomials Factor the common factor out of each expression: 40n^4m^2+40n^3m^3-32n^3
Nina [5.8K]
Taking out the greatest common factor

GCF of 40, 40 and 32  = 8
GCF of n^4, n^3 and n^3  is n^3

so the factors are

8n^3(5nm^2 +5m^3 - 4)
7 0
3 years ago
2. In the equation 5(x - 3) = 25, what should you do after using the Distributive Property?​
son4ous [18]

Answer:

umm... This how I learned from the chapter simple equation. Hopefully helps

Step-by-step explanation:

5(x - 3) = 25  we have to find the value of 'x'

so transpose 5 x to the other side = (x - 3) = 25 divided by 5 becuz it was multiplication on the other side so it is equal to = (x - 3) = 5

Now we transpose -3 which is equal to = x = 5 + 3 = 8

so, <u>x = 8</u>

<u />

<u>hopefully it helps!!!!!!!</u>

7 0
2 years ago
Read 2 more answers
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