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Reptile [31]
4 years ago
15

3r + 7r, Solve for r

Mathematics
2 answers:
Lunna [17]4 years ago
6 0
The answer is 10r you just simply add the two numbers together
sertanlavr [38]4 years ago
3 0
You can combine like terms, which means put them together.  3 plus 7 is ten, so combine them to get 10r.
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4 years ago
Maren is completing a wood working project. She needs 90 feet of wood. She has 8 pieces of wood that are each 6.2 feet long in h
Over [174]

Answer:

<u>She needs 40.4 feet of wood.</u>

Step-by-step explanation:

➾ She had 8 pieces of wood that are 6.2 feet each, so <u>total length of wood she had</u> = 8×6.2

= <u>49.6feet</u>.

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4 0
3 years ago
Read 2 more answers
The mean weight of female aerobics instructors in a certain city is less than 136 lbs. Express the null and alternative hypothes
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Answer:

Step-by-step explanation:

We are given the claim.

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answer I        credits: ChiKesselman solved it

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3 0
3 years ago
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Answer:

<h2>14</h2>

Step-by-step explanation:

Look at the picture.

7 0
3 years ago
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a_sh-v [17]

Step-by-step explanation:

Let the two numbers be X and Y respectively.

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3 years ago
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