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lys-0071 [83]
2 years ago
5

Which are equivalent to 2 1/3 x 3/14 .? Check all that apply.

Mathematics
1 answer:
MrRa [10]2 years ago
5 0

Answer:

The answer is 1, 3, and 5

Step-by-step explanation:

First, you have to solve the equation, making the mixed number fractions into improper fractions. You then get 7/3 x 3/14. You can cross cancel, and thus the equation on the top is equal to 1/2.

Solve the rest of them, the same way you did in the first, and you would get 1, 3, and 5.

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The radius of the base of a cylinder is increasing at a rate of 7 millimeters per hour. The height of the cylinder is fixed at 1
Ilya [14]

Answer:

The rate of change of the volume of the cylinder at that instant = 791.28\ mm^3/hr

Step-by-step explanation:

Given:

Rate of increase of base of radius of base of cylinder = 7 mm/hr

Height of cylinder = 1.5 mm

Radius at a certain instant = 12 mm

To find rate of change of volume of cylinder at that instant.

Solution:

Let r represent radius of base of cylinder at any instant.

Rate of increase of base of radius of base of cylinder can be given as:

\frac{dr}{dt}=7\ mm/hr

Volume of cylinder is given by:

V=\pi\ r^2h

Finding derivative of the Volume with respect to time.

\frac{dV}{dt}=\pi\ h\ 2r\frac{dr}{dt}

Plugging in the values given:

\frac{dV}{dt}=\pi\ (1.5)\ 2(12)(7)

\frac{dV}{dt}=252\pi

Using \pi=3.14

\frac{dV}{dt}=252(3.14)

\frac{dV}{dt}=791.28\ mm^3/hr (Answer)

Thus rate of change of the volume of the cylinder at that instant = 791.28\ mm^3/hr

6 0
3 years ago
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dem82 [27]

Answer:

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3 0
3 years ago
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Hanna is recovering hundreds of treasure chests from an ancient shipwreck she is able to recover 8 chests every 4 hours
gizmo_the_mogwai [7]

Answer:

idk what you are asking. But she is able to recover 2 chest per hour and would take however many chests divided by 2 for the time. EX: 300 chests. 300/2=150 hours.

Step-by-step explanation:

8 0
4 years ago
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Can a function be both even and odd? use algebra to find the answer.
Evgesh-ka [11]

Answer:

Im not sure exactly what you want the function to be. Because it can be any number. only the signs would change it

Step-by-step explanation:

okay so lets try this then..

if f(x) is an even number...let say 2

then f(-2)= 2x²+x+6

then it would be 2(-2²)+(-2)+6......-4

https://www.symbolab.com/solver/step-by-step/F%5Cleft(x%5Cright)%3D-F%5Cleft(x%5Cright)

5 0
3 years ago
Hi, i need help with these questions!
MA_775_DIABLO [31]
I hope this helps you

6 0
4 years ago
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