3 years ago

Same this for me but 6,912 and 288 please help

Mathematics

1 answer:

Svetllana [295]3 years ago

4 0

Answer:

what is the question

Step-by-step explanation:

Questions for answers

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Help help help help thanks lol

riadik2000 [5.3K]

$f(x)=x^2-81\\
y=x^2-81\\
x^2=y+81\\
x=\pm \sqrt{y+81}\\
f^{-1}(x)=\pm \sqrt{x+81}\\$

$f(x)=2x-6\\
y=2x-6\\
2x=y+6\\
x=\dfrac{1}{2}y+3\\
f^{-1}(x)=\dfrac{1}{2}x+3\\
f^{-1}(2)=\dfrac{1}{2}\cdot2+3\\
f^{-1}(2)=1+3\\
f^{-1}(2)=4$

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2 years ago

Round 22.89 to the nearest whole number

VashaNatasha [74]

Answer:

Step-by-step explanation:

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3 years ago

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The volume of a cylinder is 375 pi m^3. if r= 5 m, find its height.

pishuonlain [190]

Answer:

Step-by-step explanation:

$V=h\pi r^2\\ \\ h=\frac{V}{\pi r^2}\\ \\ h={375\pi}{25\pi}\\ \\ h=15m$

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2 years ago

A cylinder has a height of 23 m and a volume of 18,488 m³. What is the radius of the cylinder? Round your answer to the nearest

diamong [38]

The radius to this cylinder is 16.

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2 years ago

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1000+50-36+7×9+8÷5×2+1

melomori [17]

Answer:

949.2

Step-by-step explanation:

To solve this equation, you must use P.E.M.D.A.S...

First, solve 7x9 and 5x2...

7x9= 63 5x2 = 10

So...

1000+50-36+63+8÷10+1

Next, solve 8÷10 and get 0.8

So...

1000+50-36+63+0.8+1

Then, solve 1000 + 50, and 36+63, and that result with 0.8 and that with 1.

So...

1050-100.8

The Solve!

949.2

Hope this helps!

<em>-kiniwih426</em>

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2 years ago