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Vadim26 [7]
3 years ago
13

A marathon runner runs at 7.6 mph for three and a half hours. how many miles has he run?

Mathematics
1 answer:
Semenov [28]3 years ago
4 0
7.6 x 3 = 22.8

7.6 / 2 = 3.8

22.8 + 3.8 = 26.6 Miles
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A baseball team played 75 games and lost 20% of them. How many games did the team lose?
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Answer:

They lost 15 games

Step-by-step explanation:

Multiply the percent by the number of games they played to find your answer:

75 x %20

75 x 0.2 = 15

5 0
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pashok25 [27]

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7/10

Step-by-step explanation:

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Vanessa exercised by walking around a pond. One day, she walked 3 3/8 mi. The distance around the pond is 3/8 mi.
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Let n be the number of times she walked around the pond

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Suppose j varies jointly with g and v, j=1 when g=6 and v=3. Find j when g=8 and v=11
Lady bird [3.3K]

j=4.88 when g=8 and v=11

Further explanation:

When the increase/decrease in one quantity cause increase/decrease in other quantity, it is called direct variation.

Variation is always accompanied by a variation constant.

<u>Given</u>

g and v vary directly with j

IT can be written as:

j∝gv

Putting the variation constant k

j = kgv

Putting g = 6 and v=3

j = kgv\\1 = k * 6 * 3\\1 = 18k\\k = \frac{1}{18}

So the value of k is 1/18 which makes the equation

j = \frac{1}{18}gv\\ Putting\ g=8\ and\ v=11\\j = \frac{1}{18} * 8 * 11\\j = \frac{88}{18}\\ j =4.88

So, j=4.88 when g=8 and v=11

Keywords: Variation, Direct Variation

Learn more about variation at:

  • brainly.com/question/11258952
  • brainly.com/question/1284310

#LearnwithBrainly

8 0
3 years ago
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BARSIC [14]

Answer:

1012

Step-by-step explanation:

She eats 1012 because:

If she eats 45 in 2 minutes then she eats 22.5 in 1 minute.

This is because 45 ÷ 2 = 22.5

Sarah eats blueberries for 45 minutes so we multiply 22.5 by 45

22.5 × 45 = 1012.5

She ate 1012 full berries.

3 0
3 years ago
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