3 years ago

2u^3 v^2 _______ (2u)^3 *u^2

Mathematics

1 answer:

Rus_ich [418]3 years ago

4 0

Answer:

v^2 over 4u^2

Step-by-step explanation:

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Rebecca bought a desk for $70 she refinished it and sold it for a 20% profit? How much profit did she make? What price did she r

belka [17]

Answer:

she sold it for $84 and made $14

Step-by-step explanation:

take 20% of 70 add it to 70 and bam answer

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3 years ago

It takes 40 minutes for eight people to paint four walls how many minutes does it takes 10 people to paint seven walls

sasho [114]

8r(40)=4

r=1/80 that is the rate for each person...

10rt=7 using r we found before

10(1/80)t=7

t/8=7

t=56 minutes.

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3 years ago

What’s the answer to the question above?

yan [13]

Answer:

Step-by-step explanation:

2. The median would be 18

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3 years ago

An airline runs a commuter flight between Portland, Oregon, and Seattle, Washington, which are 145 miles apart. An increase of 2

pychu [463]

The speed of the airplane is the ratio of the distance to the time

The initial average speed of the airplane is approximately 110.8 mph

Reason:

Given parameters are;

The distance between Portland Oregon and Seattle Washington = 145 miles

The decrease in travel time when the speed is increase by 20 mph = minutes

The initial speed of the airplane, v = Required;

Solution;

$t = \dfrac{145}{v}$

$t - \dfrac{12}{60} = \dfrac{145}{v + 20}$

Therefore;

$\dfrac{145}{v} - \dfrac{12}{60} = \dfrac{145}{v + 20}$

Which gives;

$\dfrac{145}{v + 20} - \dfrac{145}{v} + \dfrac{12}{60} = 0$

Therefore

0.2·v² + 4·v - 2,900 = 0

v ≈ ±110.8 mph

The initial average speed of the airplane, v≈ ± 110.8 mph

Learn more here:

brainly.com/question/11365874

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2 years ago

The population of Medfield is 7000. Capital City's population is of Medfield's. What is Capital City's population?

snow_tiger [21]

Since the Capital City's population is of Medfield's is 7000 please tell if you forgot something. Good luck

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3 years ago