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Reptile [31]
2 years ago
12

Simplify each expression.

Mathematics
1 answer:
MrRa [10]2 years ago
6 0
1)B -26-27x
steps :distribute ,-9 times 3 =-27 , -9 times 3x = -27x , now combine like terms :you have a 1 and a -27 ,1-27=-26,and you left with -27



2)D 11-49x
steps :distribute , positive 7 times 1= 7 and then positive 7 times negative 7x =-49, now combine like terms ,since you have a positive 4 combine it with positive 7 which is 11 and finally put it together with -49x which it would look like 11-49x
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\huge{\boxed{\text{1750 units}^{3}}}

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That is around 24 deep knee squats per 25 seconds. Now, use the same method for 65 seconds:

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That is around 55 deep knee squats per 65 seconds.
Now, explain the method using words. You might wanna use the words "average" or "mean" to describe that process above. 
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