3 years ago

I NEED HELP ASAP ITS FOR MY SISTERRRRRRRRRRRRRRRR

Mathematics

1 answer:

postnew [5]3 years ago

7 0

Answer: ./

Step-by-step explanation:

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What is the vlaue of (2/7)³ ?

vekshin1

Answer:

Step-by-step explanation:

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2 years ago

A triangle has a side lengths of 3 and 8. The diagonal has a length of 11. Can this be a right triangle? Show your work to prove

Grace [21]

If the triangle is a right triangle, the pythagorean theorem would work
since it doesn’t, the triangle is NOT A RIGHT TRIANGLE

(see attached pic for work :))

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3 years ago

<img src="https://tex.z-dn.net/?f=x%20%20%5Cdiv%203x%20-%202%20%3D%201%20%5Cdiv%203x%20-%204" id="TexFormula1" title="x \div 3x

Maurinko [17]

Hello from MrBillDoesMath!

Answer:

x = 1/2 (1 +\- i sqrt(23))

Discussion:

x \3x - 2 = (x/3)*x - 2 = (x^2)/3 - 2 (*)

1 \3x - 4 = (1/3)x - 4 (**)

(*) = (**) =>

(x^2)/3 -2 = (1/3)x - 4 => multiply both sides by 3

x^2 - 6 = x - 12 => subtract x from both sides

x^2 -x -6 = -12 => add 12 to both sides

x^2-x +6 = 0

Using the quadratic formula gives:

x = 1/2 (1 +\- i sqrt(23))

Thank you,

MrB

4 0

3 years ago

What is the volume of a sphere if it has a radius of 2 feet? (Use 3.14 for π .) 33.49 ft 3 100.48 ft 3 75.36 ft 3 25.12 ft 3

cricket20 [7]

I think the answer is the first one

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3 years ago

Read 2 more answers

PLEASE ANSWER THIS FOR ME!

alex41 [277]

Answer:

x = (180-147)/3

x = 11

Step-by-step explanation:

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2 years ago