3 years ago

Plzzzzzzzzzzzzzzzzzzzzzzzzzzz in need help

Mathematics

1 answer:

scoundrel [369]3 years ago

3 0

Answer:

I think it's C but I'm not too sure

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When evaluating (6 x + 9) squared minus 5 for x = 1, the given value of 1 is substituted for what part of the expression?

STALIN [3.7K]

Answer:

the variable

Step-by-step explanation:

i got it right on edge :)

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alana found a sofa she wants to buy for her new apartment.the sofa cost $950.00 plus tax if Alana paid $999.40 for the sofa, wha

Yuliya22 [10]

Answer:

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(99,940 ÷ 950) - 100

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10t+<img src="https://tex.z-dn.net/?f=%5Cgeq" id="TexFormula1" title="\geq" alt="\geq" align="absmiddle" class="latex-formula">1

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Answer:

The answer is $t\geq 20$ .

Step-by-step explanation:

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2 years ago

How many liters would 60 mega-liters be?<br> Help

san4es73 [151]

Answer:

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Step-by-step explanation:

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3 years ago

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A cylinder is filled with 900 liters of water.find the area of its base if height of cylinder is 20dm.

Lisa [10]

The formula of the volume of a cylinder:

$V=\pi r^2H\\\\where:\\\\r-a\ radius\\H-a\ height\\\pi r^2-an\ area\ of\ base$

We have:

$V=900\ liters\\1L=1dm^3\ therefore\ V=900L=900dm^3$

and

$H=20\ dm$

substitute:

$\pi r^2\cdot20=900\ \ \ |:20\\\\\pi r^2=45\ dm^2$

Answer: The area of a base of the cylinder is equal 45 dm².

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3 years ago