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Gemiola [76]
3 years ago
11

It takes mat 30 minutes to walk to school. It takes Leo 80% as long to walk. How long does it take Leo to walk to school?

Mathematics
1 answer:
olga55 [171]3 years ago
6 0

Answer:

24 minutes

Step-by-step explanation:

you convert 80% to 0.80

you then multiply 30 x 0.80 = 24

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Flying against the wind, an airplane travels 4340 kilometers in 7 hours. Flying with the wind, the same plane travels 3120 kilom
Over [174]

The rate of the wind is given to be 210 the rate of the plane in mid air is given as 830

<h3>Howe to solve for the rate of the plane and wind</h3>

In 7 hours the kilometer traveled =  4340

P + W = 4340/7

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P-W = 3120/3 hours

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2p = 1040 + 620

= 1660

p =830

W = 1040 - 830

= 210

Hence the rate of the wind is given to be 210 the rate of the plane in mid air is given as 830

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3 0
2 years ago
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3 years ago
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4 0
3 years ago
The Stomping Elephants volleyball team plays 30 matches in a week-long tournament. On average, they win 4 out of every 6 matches
8_murik_8 [283]

Answer:

The mean for the number of matches that they win in the tournament is 20.

Step-by-step explanation:

For each match, there are only two possible outcomes. Either they win, or they do not. The probability of winning a match is independent from other matches. So we use the binomial probability distribution to solve this problem.

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The Stomping Elephants volleyball team plays 30 matches in a week-long tournament.

This means that n = 30

On average, they win 4 out of every 6 matches.

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E(X) = np = 30\frac{2}{3} = 20

The mean for the number of matches that they win in the tournament is 20.

8 0
3 years ago
2cosx-3=0 cách giải như thế nào
Masteriza [31]

Answer:

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Step-by-step explanation:

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Solution does not exist.

7 0
3 years ago
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