Simple. one sixth of an hour is 10 minutes. so she can run half a mile in 10 minutes. by doing simple multiplication, you can tell she can run <u>3</u><u> </u><u>miles</u> exact in one hour if she was to keep that pace the whole time. The rate or speed eould be <u>3</u><u> </u><u>miles</u><u> </u><u>per</u><u> </u><u>hour</u><u>,</u> also written as <u>3mph</u><u>.</u>
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A^2 +B^2= c^2
12^2 +B^2= 37^2
144+B^2= 1369
Subtract 144 from both sides
B^2= 1225
Take the square root of 1225
B=35
Missing side is 35
#33 x(2x - 5) = 12
The answer is x = 4