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Nataly_w [17]
3 years ago
15

Money is useful to people because it is __________.Select one of the options below as your answer:

Physics
2 answers:
hram777 [196]3 years ago
4 0
A. A medium of exchange .... Hope am right !!!
igomit [66]3 years ago
3 0
The answer is A because money is a form of barter in a sense.
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Write the equation for Newton's law of universal gravitation
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Answer:

This was done by measuring the acceleration due to gravity as accurately as possible and then calculating the mass of Earth M from the relationship Newton's universal law of gravitation gives mg=GmMr2 m g = G m M r 2 , where m is the mass of the object, M is the mass of Earth, and r is the distance .

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If f(x) = -x2+x-1 then value of f(f(2)) is
qaws [65]

Answer:

<u>-13</u>

Explanation:

<u>Function</u>

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<u>Solving</u>

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