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Margaret [11]
3 years ago
9

I need help asap please

Mathematics
1 answer:
RSB [31]3 years ago
4 0

Answer:

Step-by-step explanation:

The first statement is correct.  The volume of this rectangular prism is v = l*w*h, and so 495 cm^3 = (12*2.5 cm^2)*h is correct.

To find h, Zoe should divide 495 cm^3 by (12*2.5 cm^2), so the second statement is wrong.

The third statement is incorrect, due to an arithmetic error.  495 cm^3 divided by (12*2.5 cm^2) is 16.5 cm, not 15.5 cm.  Thus:  the missing height, h, is 16.5 c.m.

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8 0
3 years ago
If you can, answer at least 2 question I put 10 points on it
igomit [66]

Answer:

a) one solution(x = 9)

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Step-by-step explanation:

a) To solve this equation, we can add 4 on both sides in order to isolate x:

x - 4 =5

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Since x equals 9, that counts as only one solution, as there is only one value of x that makes the equation true.

b) We start by subtracting 2x from both sides to combine the variable terms:

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The statement, -6 = 5 is never true and it is not dependent on the value of x. This means there are no solutions to this equation.

c) We can start by subtracting 3x from both sides to combine the terms with x:

3x + 12 = 3x + 12

-3x          -3x

12 = 12

The statement above is always true, and no matter the value of x, it will always be true. This means there are infinite solutions to the equation.

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