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Anna35 [415]
3 years ago
5

I'm struggling with this lesson on Study Island, please help!

Mathematics
1 answer:
vazorg [7]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Associative property states that when three or more numbers are added, the sum is the same regardless of the grouping.

This means that (4x + 13) + 11 is the same as C. 4x + (13 + 11)

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A cafeteria manager needs to know how many apples and bananas to to order. He asked students to choose either an apple or a bana
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Answer:

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Step-by-step explanation:

The answer is easy to find if we use the cross-multiplication method.

We know 7 students out of 10 picked apples, then 3 out of 10 picked bananas.

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We just have to isolate x, this way and solve the problem:

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becomes

x = \frac{84 * 3}{7} = \frac{252}{7} = 36

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