Answer:
iis just 13.5
Step-by-step explanation:
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1 mile=5280 feet
1 fooot=12 inches
5280 feet=12 inches times 5280
1 mile=63360 inches
The believe that the answer to the question asked above is there are 2 synapses in a reflex arc, but in a muscle there are 3.
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Explanation:
It is convenient to regroup the numbers, and adjust two of them to "make a ten".
= 13 + 17 + 19 . . . . rearrange (swap the order of 17 and 19)
= (10 + 3) + (-3 + 20) + 19 . . . . "make a ten" by adding or subtracting a small number. Here, those adjustments cancel—which is the point of doing it.
= 10 + 20 + 19
= 30 + 19
= 49