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aniked [119]
3 years ago
13

A tree trunk has a height of 30 feet and a radius of 2.5 what is the volume of the tree trunk

Mathematics
1 answer:
Fantom [35]3 years ago
7 0

Answer:

L.) 589 ft^{3}

Step-by-step explanation:

We can automatically asume that a Tree trunk is a cylinder. so the formula to find the volume of a cylinder is

V = \pi r^{2}h

So we have to substitue the values.

3.14 x (2.5 squared) x 30 = V

rewrite

<u>3.14 x 6.25</u> x 30 = V

19.625 x 30 = 588.75

Your exact volume is 588.75 ft^{3} But we can round it. so therfore your answer is L.) 589 ft^{3}

Hope this helped! Please mark a brainliest! Thanks!

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   28 simplifies as such:
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3 years ago
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You add all the numbers & divide it by how many numbers 8 +9+9+9+10+10
7 0
3 years ago
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1. )The function f(x)=12,500(0.87)^x models the value of a car x years after it is purchased.
sweet-ann [11.9K]
1] Given that the value of x has been modeled by f(x)=12500(0.87)^x, then:
the rate of change between years 1 and 5 will be:
rate of change is given by:
[f(b)-f(a)]/(b-a)
thus:
f(1)=12500(0.87)^1=10875
f(5)=12500(0.87)^5=6230.3
rate of change will be:
(6230.3-10875)/(5-1)
=-1161.2
 rate of change in years 11 to 15 will be:
f(11)=12500(0.87)^11=2701.6
f(15)=12500(0.87)^15=1,547.74
thus the rate of change will be:
(1547.74-2701.6)/(15-11)
=-288
dividing the two rates of change we get:
-288/-1161.2
-=1/4
comparing the two rate of change we conclude that:
The average rate of change between years 11 and 15  is about 1/4  the rate between years 1 and 5.
The answer is D]
2] Given that the population of beavers decreases exponentially at the rate of 7.5% per year, the monthly rate will be:
monthly rate=(n/12)
where n is the number of months
=7.5/12
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7 0
3 years ago
Guys help me with this question.
Vladimir79 [104]
100/-24 = -4 :)))))))
8 0
3 years ago
2y-____=0;y=0 HELPPPPPPP
AVprozaik [17]

Answer:

<em>D.)  0</em>

Step-by-step explanation:

Its not A.  cause 2y−2=0  is y = 1

Its not B. cause 2y−1=0  is y = 1/2

Its not C. cause 2y−3=0  is y = 3/2

Soo... The only option left is D.

It IS D. cause 2y − 0 = 0  is y=0

<em>So you are Correct!!!</em>

<em>hope I helped... <3</em>

<em>Good luck dear :)</em>

4 0
3 years ago
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