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malfutka [58]
3 years ago
10

Jace has nn nickels and dd dimes. He has at most 20 coins altogether. Write this situation as an inequality.

Mathematics
1 answer:
Marina CMI [18]3 years ago
5 0

Answer:

nn + dd ≤ 20

≤ = at most or

less than or = to

Step-by-step explanation:

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Sixty-three less than 15 times a number is 72. what is the number?
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Answer:

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Step-by-step explanation:

First represent this with numbers. Less means subtraction -, times means multiplication *, is means equals =.

And let's represent "a number" with x.

63 - 15x = 72

Solve for x. First subtract 63 from both sides.

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x = -9/15 = <u>-3/5</u>

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Hope this helped!

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Step-by-step explanation:

All you need to do is multiply 45.9 grams by 1000 for the total combined weight of every box combined to get.

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