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2 years ago

What is 4 divided by 3/10

Mathematics

1 answer:

jarptica [38.1K]2 years ago

6 0

Answer:

The answer is 40/3

Step-by-step explanation:

To find this answer, note that dividing by a fraction is the same as multiplying by its reciprocal.

4 ÷ 3/10

4 × 10/3

40/3

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About how much medicine is in a medicine bottle

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Answer:

For measuring such small amounts of medicine, your doctor may give you a 1 cc syringe (there is that cubic centimeter thing again - remember, it is the same as a milliliter - ml).

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measurement of medicines.

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Step-by-step explanation:

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2 years ago

A model rocket is 3 inches long. the real rocket is 120 ft long. what is the unit rate that describes the relationship of the re

lora16 [44]

Answer:

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Step-by-step explanation:

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Lin rode a bike 20 miles in 150 minutes. If she rode at a constant speed, how far did she ride in 15 minutes? How long did it ta

coldgirl [10]

Hey there! :)

Answer:

First part: 2 miles.

Second part: 45 minutes

Third part: 8 mph.

Step-by-step explanation:

We can divide this question into 3 parts.

Begin by solving for the distance traveled after 15 minutes by creating a ratio:

$\frac{20 mi}{150min} = \frac{x}{15 min}$

Cross multiply:

20 · 15 = 150 · x

300 = 150x

300/150 = 150x/150

x = 2 miles.

2nd part: How long it took her to ride 6 miles.

Set up another ratio similar to the one used before:

$\frac{20 mi}{150min} = \frac{6mi}{x min}$

Cross multiply:

20 · x = 6 · 150

20x = 900

20x/20 = 900/20

x = 45 minutes.

3rd part:

For this part, we will need to convert from minutes to hours.

$\frac{20 mi}{150 min}* \frac{60 min}{1 hr} = \frac{1200mi}{150hr} = 8 mi/h$

Therefore, her speed is 8 mph.

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2 years ago