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2 years ago

What is this??? 28÷7×4=?

Mathematics

1 answer:

Tanya [424]2 years ago

7 0

Answer: 16

Step-by-step explanation: 28÷7=4

4×4 = 16

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Write the ratio in simplest form.<br><br> 13

katovenus [111]

Answer:

1:3

Step-by-step explanation:

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2 years ago

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If there are 624 calories in 3 servings, how many calories are in 1 serving?

Harman [31]

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208 calories per serving

Step-by-step explanation:

Divide 624 by 3.

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3 years ago

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Rewrite each expression using exponents (-19)(-19)(-19)(-19)(-19)

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Answer:

-19^5 or -19 to the fifth

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3 years ago

Two families are meeting for a vacation. If the first family traveled 288 miles in 4 hours, and the second traveled 374 miles in

dusya [7]

Answer:

The first traveler

Step-by-step explanation:

288 divided by 4 is 74 miles an hour and 374 divided by 5 is 74.8 miles an hour and 74 mph is faster.

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2 years ago

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Ms.Lieber takes 4 hours to drive 210 miles from her home to Yosemite national park. If ms.Lieber's avarege sleed for the first t

zlopas [31]

Answer:

45 miles per hour.

Step-by-step explanation:

We have been given that Ms. Lieber takes 4 hours to drive 210 miles from her home to Yosemite national park. Ms. Lieber's average speed for the first two hours is 60 miles per hour.

Let us find distance traveled by Ms. Lieber in 2 hours.

$\text{Distance}=\text{Speed*Time}$

$\text{Distance traveled by Ms. Lieber in 2 hours}=60\frac{\text{miles}}{\text{ hour}}\times 2\text{ hours}$

$\text{Distance traveled by Ms. Lieber in 2 hours}=60\times 2\text{ miles}$

$\text{Distance traveled by Ms. Lieber in 2 hours}=120\text{ miles}$

$\text{Remaining distance}=(210-120)\text{ miles}$

$\text{Remaining distance}=90\text{ miles}$

$\text{Speed}=\frac{\text{Distance}}{\text{Time}}$

$\text{Ms. Lieber's average speed for last 2 hours}=\frac{90\text{ miles}}{2\text{hour}}$

$\text{Ms. Lieber's average speed for last 2 hours}=45\frac{\text{ miles}}{\text{hour}}$

Therefore, Ms. Lieber's average speed for the last 2 hours was 45 miles per hour.

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3 years ago