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Lelu [443]
2 years ago
12

The height of a plant in mm is 7. It doubles each week. Select all expressions that represent the

Mathematics
1 answer:
MaRussiya [10]2 years ago
4 0

Answer:

I only know that it will be 28 mm tall but you have to be more specific

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(b12)3<br> The simplified expression is
AlexFokin [52]

Answer:

b^36

Step-by-step explanation:

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3 years ago
Please solve these for 20 points : solving formulas for a variable
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6. (A/pi = r^2)
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What is 21 over 40 in percent
Lorico [155]
52.5% or it can also be a decimal if needed its 0.525 
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3 years ago
Find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.
kherson [118]

Answer:

=\frac{364\pi}{3} cubic units

Step-by-step explanation:

We are to find the  volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

f(x)=2x+1, y=0, x=0, x=4.

The picture is given as shaded region.

This is rotated about x axis

Limits for x are already given as 0 and 4

f(x) is a straight line

The solid formed would be a cone

Volume = \pi \int\limits^a_b {(2x+1)^2} \, dx \\= \pi \int\limits^4_0 {(4x^2+4x+1)} \, dx \\=\pi [\frac{4x^3}{3} +2x^2+x]^5_0\\\\=\pi[\frac{4*4^3}{3}+2*4^2+4-0]\\=\frac{364\pi}{3}

7 0
2 years ago
19. The area A of a circle is pi times the radius r squared.<br> Translate into a equation
Helga [31]
A= πr²
.… … … … ……… …
4 0
3 years ago
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