3 years ago

Please help!! which statement and reason complete the proof below?

Mathematics

1 answer:

butalik [34]3 years ago

7 0

Answer:

I this is the B ,I hope hepl you

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What is the volume of the cylinder?

Anna007 [38]

Answer:

B. 2010.62 ft³

Step-by-step explanation:

The formula for the volume of a cylinder is ...

V = πr²h . . . . . where r is the radius and h is the height

Filling in the numbers and doing the arithmetic, we get ...

V = π(8 ft)²(10 ft) = 640π ft³ ≈ 2010.6193 ft³ ≈ 2010.62 ft³

The volume of the cylinder is about 2010.62 ft³.

7 0

3 years ago

Dylan is saving for a new computer and has saved $213. He is saving a $3 a day and needs no more than $654 for the computer he w

shutvik [7]

Answer:

147

Step-by-step explanation:

654 = 213 + 3x

-213 -213

441 = 3x

/3 /3

147 = x

4 0

3 years ago

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Find the HCF of<br> x^2y and x

3241004551 [841]

The highest common factor of $x^2 y$ and $x$ is $\boxed{x}$

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1 year ago

Which statement is true about <CPB?

SVETLANKA909090 [29]

The answer is C hope this helps

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3 years ago

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Find the global maximum and global minimum values (if they exist) of x 2 + y 2 in the region x + y = 1. If there is no global ma

Grace [21]

Given that $x+y=1$ , we have $y=1-x$ , so that

$f(x,y)=x^2+y^2\iff g(x)=x^2+(1-x)^2$

Take the derivative and find the critical points of $g$ :

$g'(x)=2x-2(1-x)=4x-2=0\implies x=\dfrac12$

Take the second derivative and evaluate it at the critical point:

$g''(x)=4>0$

Since $g''$ is positive for all $x$ , the critical point is a minimum.

At the critical point, we get the minimum value $g\left(\frac12\right)=f\left(\frac12,\frac12\right)=\frac12$ .

5 0

3 years ago