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Lynna [10]
2 years ago
14

Can someone please explain step by step on this problem for a brainliest!

Mathematics
2 answers:
Shkiper50 [21]2 years ago
7 0

Answer:

Combine the like terms. In this equation there are two like terms. They both are xy. Note: When there is no number in front of a term, you can assume that the number is 1.

5xy - 1xy

Subtract normally and then attach the xy.

4xy

Hope this helps! :)

Charra [1.4K]2 years ago
7 0

Answer:

X(5y-y)

Step-by-step explanation:

  1. it is a simple equation
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madam [21]

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Option C is correct.

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Step-by-step explanation:

Given the expression:  \sum_{i=1}^{18} (7i^2+9)

Using properties of summation:

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Using properties of summation in the given expression we have;

\sum_{i=1}^{18} (7i^2+9)

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Therefore, the following given expression uses the properties of summation to represents is, 7 \cdot \sum_{i=1}^{18} i^2 + 9 \cdot 18


8 0
3 years ago
Read 2 more answers
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