3 years ago

Help pleassssssssssss

1 answer:

8 0

A) The correct way to write 1/4 as a precent is 25%.

because....

1÷4= .25. and .25×100= 25%

b) The reporter most likely forgot to multiply by 100. The reporter instead just found what 1/4 was as a decimal, not a precent.

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A cargo plane flew from the US across the Atlantic at 212 mph, and flew back to the US at 232 mph. Given that the first trip too

expeople1 [14]

The return trip was 21.2 hours long.

Step-by-step explanation:

Given,

Speed of plane from US = 212 mph

Speed of plane on return trip = 232 mph

Let,

x be the time taken on return trip.

Time taken from US = x+2

We know that;

Distance = Speed * Time

Distance of plane from US = 212(x+2) = 212x+424

Distance on return trip = 232x

As the distance will be same, therefore,

$232x=212x+424\\232x-212x=424\\20x=424$

Dividing both sides by 20

$\frac{20x}{20}=\frac{424}{20}\\x=12.2\ hours$

The return trip was 21.2 hours long.

Keywords: distance, speed

Learn more about speed at:

#LearnwithBrainly

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3 years ago

Find f(2x) when f(x)=3x^2+2x-2

bonufazy [111]

Answer:

$6 {x}^{2} + 4x - 4$

Step-by-step explanation:

$2(3 {x}^{2} + 2x - 2) \\ 6 {x}^{2} + 4x - 4 \\$

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3 years ago

Please help, thank you!<br><br> Simplify.<br><br> n− 4 = 11

Flauer [41]

The answer will be 15-4=11

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3 years ago

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Help? Would be appreciated!!

MaRussiya [10]

Answer:

a. 5 ones

b.8 hundreds

c.9 thousandths

d.1 tenths

e. 7 hundreths

f. 1 millions

hope that helps you

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2 years ago

Haley jarred 21 liters of jam after 7 days. How many days does Haley need to spend making jam if she wants to jar 27 liters of j

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Answer: im pretty sure its 9

Step-by-step explanation:

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3 years ago

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