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inna [77]
3 years ago
11

Harold flipped a coin 80 times.How many times should he expect the coin to land on tails?

Mathematics
1 answer:
viktelen [127]3 years ago
6 0
At least 40.There is two sides.Heads and tails.Divide that by two.80/2=40.
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Three answer choices have the same quotient as 4.55 ÷ 0.7. Which one does NOT
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Answer:

Answer: 455 / 7

Step-by-step explanation: Three answer choices have the same quotient as 4.55 ÷ 0.7. Which one does NOT?

answer choices

455 ÷ 70

455 ÷ 7

45.5 ÷ 7

4.55 ÷ 0.70

The number resulting from the division of one number by another is regarded as quotient. For example, The quotient of 12 divided by 4 is 3.

And so, the first, third and last options on expansion by division all yield the same results in decimals (6.5) as that in the question (4.55 / 0.7 = 6.5) which is an indication that they have the same quotient.

Only the second option does not do so. 455 / 70 = 65

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Compare the two ratios is 6 : 15 less than 30 : 80 or greater than?
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Work:
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To get from 80 to 1, you have to divide by 80. So, to make an equal field, divide 30 by 80.

30 : 80 is the same as 3 : 8 or .875.


Comparing the two, 30 : 80 is greater than 6 : 15.


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