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3 years ago

Based on the data gathered should Brenda choose if she is in a hurry

Mathematics

1 answer:

Ad libitum [116K]3 years ago

5 0

What??????????????????????????????????

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Use the definition of the derivative to differentiate v=4/2 pie r^3

nata0808 [166]

I suspect 4/2 should actually be 4/3, since 4/2 = 2, while 4/3 would make V the volume of a sphere with radius r. But I'll stick with what's given:

$\displaystyle \frac{dV}{dr} = \lim_{h\to0} \frac{2\pi(r+h)^3-2\pi r^3}{h}$

$\displaystyle \frac{dV}{dr} = 2\pi \lim_{h\to0} \frac{(r^3+3r^2h+3rh^2+h^3)- r^3}{h}$

$\displaystyle \frac{dV}{dr} = 2\pi \lim_{h\to0} \frac{3r^2h+3rh^2+h^3}{h}$

$\displaystyle \frac{dV}{dr} = 2\pi \lim_{h\to0} (3r^2+3rh+h^2)$

$\displaystyle \frac{dV}{dr} = 2\pi \cdot 3r^2 = \boxed{6\pi r^2}$

In Mathematica, you can check this result via

D[4/2*Pi*r^3, r]

3 0

2 years ago

If (54)m = 512, what is the value of m?

Snezhnost [94]

The correct answer is 9.481.
Hope this helps.
Brainliest would be appreciated.

3 0

3 years ago

Read 2 more answers

Solve for x<br> 6.58-8.36x=3.98x-27.33<br> Round to nearest hundred

ololo11 [35]

Answer:

6.58-8.36x=3.98x-27.33

Collecting like terms

6.58+27.33=3.98x+8.36x

33.91=12.34x

33.91/12.34=12.34/12.34

x=2.75

7 0

3 years ago

Read 2 more answers

Help me Solve for X (round to the nearest hundreth)

mario62 [17]

The answer is: <span>16.82
it's tan (angle)=opposite/adjacent</span>

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3 years ago

What fraction is equal to one quarter

natta225 [31]

Answer:

A quarter is one of four equal parts.

<h3>So, the fraction representing a quarter would be, ¼.</h3>

6 0

3 years ago