Jenny drove 169 miles in 3 hours and 30 minutes how many is it in miles per minute

2 answers:

7 0

Convert 3 hours and 30 minutes all into minutes so that would be 210 minutes. You then have 169 miles / 210 minutes. Get the denominator to 1 minutes by dividing by 210 to the top and bottom and you'll get .080476 miles / 1 minute which is the answer.

sweet [91]3 years ago

3 0

There is 60 minutes in an hour so 210minutes

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A 1,000 mL solution of acetic acid contains 26 mL of pure acetic acid. Find the percent concentration of this solution.

Mrac [35]

Given:

Total solution : 1000mL

Pure acetic acid = 26mL

To find:

The percent concentration of given solution.

Solution:

We know that,

$\text{Percent concentration}=\dfrac{\text{Pure acetic acid}}{\text{Total solution}}\times 100$

Putting the given values, we get

$\text{Percent concentration}=\dfrac{26}{1000}\times 100$

$\text{Percent concentration}=\dfrac{26}{10}$

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2 years ago

Please Help! (10 POINTS)

Sliva [168]

The initial measure is:
m1 = 28 ft
The real measure must be:
m2 = 14 ft
The correct procedure to determine the scale factor is:
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k = 28/14$
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$k = (28/14) / (14/14)$
Rewriting:
$k = 2/1

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Answer:
Zelie should have divided both numbers by 14.

5 0

3 years ago

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