Answer:
27
Step-by-step explanation:
total=average ×no.
18×40=720 the no. of coins for all children
12×24=288 no. of coins for boys
720-288=432 for all girls
one girl, mean,divide 432 by 16= 27
Answer:
A radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length
Step-by-step explanation:
Answer:
17.8
Step-by-step explanation:
All you have to do is 8.9 x 2 = 17.8
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There is no solution to this system of linear equations
Answer:
Step-by-step explanation:
y= -1/4x