(URGENT) What is the volume of the square pyramid with base edges 4m and height 3m?

Mathematics

1 answer:

lesya [120]4 years ago

7 0

The volume of a square pyramid is a^2 * h/3, assuming a is the base edge and h is the height. Plug the numbers in and you get your answer.

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Janelle earned 90% on a test and got 63 points. How many total points were possible on the test?

aliina [53]

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3 years ago

0.09+27/100=?/100+27/100

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x = 9

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Read 2 more answers

Multiply. -8. -9/3 . 2/-5Write your answer in simplest form.

oee [108]

$(-8)\cdot(-\frac{9}{3})\cdot(-\frac{2}{5})$

To multiply these numbers, the first step is to writhe "-8" as an improper fraction, to do so, divide it by 1

$(-\frac{8}{1})\cdot(-\frac{9}{3})\cdot(-\frac{2}{5})$

Next is to solve the multiplication, to do so, first multiply the first two terms of the multiplication:

$(-\frac{8}{1})\cdot(-\frac{9}{3})$

The multiplication is between two negative numbers, when you multiply two negative numbers, the minus signs cancel each other and turn into a positive value, this is called "double-negative"

$(-\frac{8}{1})\cdot(-\frac{9}{3})=\frac{8\cdot9}{1\cdot3}=\frac{72}{3}$

Next multiply the result by the third fraction -2/5

This time you are multiplying a positive and a negative number, so the result of the calculation will be negative

$\frac{72}{3}\cdot(-\frac{2}{5})=-\frac{72\cdot2}{3\cdot5}=-\frac{144}{15}$

Final step is to simplify the result, both 144 and 15 are divisible by 3, so divide the numerator and denominator by 3 to simplify the result to the simplest form: