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Nana76 [90]
3 years ago
15

13. Simplify the expression (8-4) + (15-10)

Mathematics
2 answers:
kari74 [83]3 years ago
6 0

Answer:

= 9

Step-by-step explanation:

First work out the ones that's in the parentheses.

8 - 4 = 4

15 - 10 = 5

(4) + (5) = 9

prohojiy [21]3 years ago
4 0

Answer:

9 :)

Step-by-step explanation:

   (8 - 4) = 4

   (15 - 10) = 5

That added together equals....

  5 + 4 = 9

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A company manufactures skateboards. Each skateboard requires 1 6/7 hours of labor to assemble and 2 1/2 hours of labor to finish
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Answer: The total cost will be $156.85.

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Since we have given that

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According to question,

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36(\frac{13}{7}+\frac{5}{2})\\\\=36\times \frac{13}{7}+36\times \frac{5}{2}\\\\=\frac{468}{7}+18\times 5\\\\=\frac{468}{7}+90\\\\=\frac{468+630}{7}\\\\=\frac{1098}{7}\\\\=\$156.85

Hence, the total cost will be $156.85.

5 0
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