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zavuch27 [327]
3 years ago
9

Definition and description of gravity

Mathematics
1 answer:
Goryan [66]3 years ago
6 0

Answer:

1. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.

2. extreme or alarming importance; seriousness.

"crimes of the utmost gravity"

Step-by-step explanation:

Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.

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A chemistry teacher needs to mix a 20% salt solution with an 80% salt solution to make 20 qt of a 40% salt solution. How many qu
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Answer:

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Step-by-step explanation:

It is often convenient to solve a mixture problem by letting a variable represent the quantity of the higher-concentration contributor to the mix.

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We can let x represent the number of quarts of 80% solution needed. Then (20-x) is the number of quarts of 20% solution needed. The amount of salt in the final mix is ...

  0.80x +0.20(20-x) = 0.40(20)

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  x = 20/3 = 6 2/3 . . . . . . . . . divide by 0.60; quarts of 80% solution

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The teacher should mix 6 2/3 quarts of 80% solution with 13 1/3 quarts of 20% solution.

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2 years ago
Sir Ving Spoon earned $5,436 on his $7,550 certificate of deposit. If he had the CD for 12 years, what simple interest rate did
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6% or 0.06 is the simple interest rate the bank pays him.

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<u>To find the interest rate (r) :</u>

Using the simple interest formula,

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Answer:

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Step-by-step explanation:

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