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3 years ago

Need help on 4 please!!!!!! Capture attached!!!!!!!!!!

Mathematics

1 answer:

Crank3 years ago

4 0

The answer is 13,973. Remember A squared + B squared = C squared
Disregard this, it is not correct

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The least common denominator of two fractions is 28. If you subtract the two denominators, their difference is 10. What are the

wel

14 and 28 are two different common denominators for the fractions and we convert both fractions to eighteenths we can subtract 3 eighteenths from 10

so what do you think the answer is
this is just a example

7 0

3 years ago

Air is being pumped into a spherical balloon at a rate of 5 cm^3/min. Determine the rate at which the radius of the balloon is i

Romashka-Z-Leto [24]

0.08 cm/min

Step-by-step explanation:

Given:

$\dfrac{dV}{dt}=5\:\text{cm}^3\text{/min}$

Find $\frac{dr}{dt}$ when diameter D = 20 cm.

We know that the volume of a sphere is given by

$V = \dfrac{4\pi}{3}r^3$

Taking the time derivative of V, we get

$\dfrac{dV}{dt} = 4\pi r^2\dfrac{dr}{dt} = 4\pi\left(\dfrac{D}{2}\right)^2\dfrac{dr}{dt} = \pi D^2\dfrac{dr}{dt}$

Solving for $\frac{dr}{dt}$ , we get

$\dfrac{dr}{dt} = \left(\dfrac{1}{\pi D^2}\right)\dfrac{dV}{dt} = \dfrac{1}{\pi(20\:\text{cm}^2)}(5\:\text{cm}^3\text{/min})$

$\:\:\:\:\:\:\:= 0.08\:\text{cm/min}$

3 0

3 years ago

I don’t understand what this means

Colt1911 [192]

Answer:

This means that if you have that amount of those and you do whatever the rest of the question is.

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

I dont know how to do this, please help

IgorLugansk [536]

Answer: B= 11

Step-by-step explanation:

8 0

3 years ago

you can use a calculator if you want. No links please help this is very important i will give you brain thing if its correct

bulgar [2K]

Answer:

A) 26.563 miles in total

B) 1.977 more miles

Step-by-step explanation:

for the first question, add all the values together. for the second question, take the amount jade ran and subtract the amount noah ran from it to get how much more jade ran.

3 0

3 years ago