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sergejj [24]
3 years ago
10

Simplify the expression. 5b*2+13

Mathematics
2 answers:
Nata [24]3 years ago
6 0
5b(2) +13

follow PEMDAS

In this case, multiply 5b and 2 together

5b(2) = 10b

10b + 13 is your answer (one has a variable, and the other doesn't, which means they are not alike, and cannot be combined)

hope this helps
kotegsom [21]3 years ago
4 0
10b+13 would be the answer
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Now the total cost say t_{1}, for first program can be written in equation form as,

t_{1} =35+5c,  here c is the no. of classes.

Similarly, the total cost say t_{2} , for second program can be written in equation form as,

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We have to find out the no. of classes for which the two programs cost the same.

according to the question,

t_{1} =t_{2}

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Hence for 7 of classes the programs cost the same.

For more details follow the link:

brainly.com/question/4042361

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