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Kaylis [27]
2 years ago
9

NEED HELP!!!!! Heres the question

Mathematics
1 answer:
Semenov [28]2 years ago
3 0

Answer:

A. 5(-20)

Step-by-step explanation:

Since she repeatedly withdrawals money, the answer would be negative, so you can say that the other answers are definitely wrong.

Hope this helps :)

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Find the height of the prism if the length is 9 inches, the width is 5 inches, and the volume of the prism is 315 cubic inches.
trasher [3.6K]

Answer:

Height of prism = 7 inches

Step-by-step explanation:

Let h be the height of prism.

Hence,

h =  \frac{vol \: of \: prism}{l \times w}  \\  \\  =  \frac{315}{9 \times 5}  \\  \\  =  \frac{315}{45}  \\   \\ h= 7 \: inches

5 0
2 years ago
Suppose that a class contains 15 boys and 30 girls, and that 10 students are to be selected at random for a special assignment.
natka813 [3]
Prob of selected students times prob of selecting boys times prob of selecting 3 boys
total students = 15b + 30g = 45 students

1. 10s/45t = 0.22
2. 15b/45t = 0.33
3. 3b/15b = 0.2

0.22×0.33×0.2=0.0148

1.48%

I'm not sure 100%... double check answer please
3 0
3 years ago
Is f(x)=3/4 a function?
Marat540 [252]

Answer:

Yes, f(x) = \frac{3}{4} is a constant function.

Step-by-step explanation:

A function is defined to be a relation from 1 set of numbers to another set of numbers.

The main condition for a relation to be a function is that for every number in the domain there should be a <u>unique image</u>

Here the given function is f(x) = \frac{3}{4}

This function is a constant function and gives the value 0.75 for all values of x.

Hence the graph would be a straight line parallel to the x-axis passing through y = 0.75.

Hence the f(x) = 0.75 is a function.

4 0
3 years ago
Consider a rectangle with vertices A (4, 7), B (6, 7), C (4, -1), and D (6, -1). What is the length of side CD? What is the leng
bogdanovich [222]
Same way can find BD length

8 0
2 years ago
Read 2 more answers
Mrs. Kwan
9966 [12]

One and a half gallons. (1.5 gallons)

3 0
3 years ago
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