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3 years ago

What is the volume of the prism below?

Mathematics

1 answer:

Tju [1.3M]3 years ago

7 0

B. 75

First you find the area of the triangle:

(base x height)/2
(3 x 5)/2
15/2
7.5

Then you multiply by the length of the prism (10):

7.5 x 10 = 75

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Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was

Marizza181 [45]

Answer:

The raw score for his exam grade is 99.69.

Step-by-step explanation:

Given : The professor announced that the mean for the class final exam was 88 with a standard deviation of 7. Given Daniel's z score of 1.67.

To find : What is the raw score for his exam grade?

Solution :

The formula use to find the z-score is

$z=\dfrac{x-\mu}{\sigma}$

Where, z=1.67 is the z-score

$\mu=88$ is the means

$\sigma=7$ is the standard deviation

x is the raw score for his exam grade

Substitute the values,

$1.67=\dfrac{x-88}{7}$

$1.67\times 7=x-88$

$11.69=x-88$

$x=88+11.69$

$x=99.69$

Therefore, the raw score for his exam grade is 99.69.

7 0

3 years ago

If x + y = 5 and at the same time 2x - y = 7. find the value of x

Fed [463]

Answer:

x = 2y − 2

Step-by-step explanation:

x + y + 5 = 2x - y + 7

−x + y + 5 = −y + 7

−x + 5 = −2y +7

−x = −2y + 2

x = 2y − 2

5 0

3 years ago

A fair owner made $60 win a group of 10 people entered which is a rate of ____ dollar per person?

melisa1 [442]

Answer:

It would be 6$ each person

8 0

3 years ago

2x-1=3/4x+9<br> Help Me Brainilist to whoever explains the best

alexdok [17]

Answer:

x=8

Step-by-step explanation:

normally it would be 2x-1= $\frac{3}{4}$ x+9 so now we have to combine the x into one fraction which will be 2x-1= $\frac{3x}{4}$ +9 now for my way i will be taking the -1 to the other side and when that happens its going to become positive so now the answer will be 2x= $\frac{3x}{4}$ +10 ok so now we have to have the x's to the same side so i have to drag the fraction to the other side and making it positive which will conclude into 1.25x=10 and now 10 divided by 1.25 is 8 so the answer is x=8 (sorry for the ok nows) hope this helped

5 0

3 years ago

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The two rectangular prisms shown have bases with the same area. Which statement is true?

svp [43]

Answer:

Step-by-step explanation:

i just did it and i got B.

7 0

4 years ago

Read 2 more answers