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3 years ago

According to the rule of 70, how many years will it take an investment that is making 4.5 percent interest to double in size?

Mathematics

1 answer:

emmainna [20.7K]3 years ago

8 0

Actually,I believe it is the rule of 72
72/4.5 = 16 years

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Answer:

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What number is halfway between 250 and 300

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To my understanding, it would be 275.

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iogann1982 [59]

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4 years ago

-8 + 2n + 14 = 4n - 16

Triss [41]

Answer:

n=10

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3 years ago

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Two cars depart an intersection.

patriot [66]

Answer:

The distance between them after 1 hour and 30 minutes will be of 63.64 miles.

Step-by-step explanation:

This question can be solved using the Pythagorean Theorem.

Both cars travel at a constant speed of 30 miles per hour. So, after 1 hour and 30 minutes, which is 1 and a half hour, they will have traveled 30*1.5 = 45 miles.

The distance between them is the hypotenuse of a right triangle, in which the sides are 45. So

$d^2 = 45^2 + 45^2$

$d = \sqrt{45^2 + 45^2}$

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4 years ago