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3 years ago

15

Write an equation for an exponential growth function where the initial population is 80 and the population quadruples during eac

h time period.

1 answer:

liq [111]3 years ago

6 0

$f(t) = 80(4^t)$

For each time period, each time "t" increases by one, the population will be multiplied by 4.

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A grain silo is built from two right circular cones and a right circular cylinder with internal measurements represented by the

Murljashka [212]

Answer:

Step-by-step explanation: The volume of the grain silo can be found by adding the volumes of all the solids of which it is composed (a cylinder and two cones). The silo is made up of a cylinder (with height 10 feet and base radius 5 feet) and two cones (each with height 5 ft and base radius 5 ft). The formulas given at the beginning of the SAT Math section:

Volume of a Cone:

$V=\frac{1}{3} \pi r^2h$

Volume of a Cylinder:

$V=\pi r^2h$

can be used to determine the total volume of the silo. Since the two cones have identical dimensions, the total volume, in cubic feet, of the silo is given by

$V_{silo} =\pi (5^2)(10)+(2)(\frac{1}{3})\pi (5^2)(5)=(\frac{4}{3})(250)\pi$

which is approximately equal to 1,047.2 cubic feet.

<u>The final answer is D.</u>

6 0

3 years ago

Last month, Margo bought a tree that grows

Lorico [155]

The equation:
5+2.5(x)=65
The answer:
It took 24 days for the free to grow 65 cam.
You’re welcome -Madison :)

3 0

3 years ago

-q-7q=8 whats q equal?

Luba_88 [7]

-q-7q=8
First you need to know that there is an invisible 1 in front of -q. Change it to -q if you need to. You get:
-1q-7q=8
add like terms: -1-7 gives you -8.
-8q=8. Divide by -8 on both sides to find q.
-8/8=-1
8/8=1
Therefore, q=1.

7 0

3 years ago

Using the diagram, which fraction is equivalent to 1?

Tcecarenko [31]

Answer:

5/5

Step-by-step explanation:

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3 years ago

Which of the following expressions are equivalent to 30 - 8x - 6 - 5x?

olganol [36]

I think it's the 2 one I'm 76 percent sure

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3 years ago