Answer:
how many times larger? 4 times as large
Step-by-step explanation:
if the radius is half as big as the diameter and the diameter is half of the area
<u>r</u> x <u>r</u> = d
<u>d</u> x <u>d</u> = a
Answer:
52 inches
Step-by-step explanation:
4×13=52 inches
Answer:
Large books = 11
Small books = 6
Step-by-step explanation:
7x + 5y = 107
7x = 107 - 5y
x = 107/7 - 5y/7
5x + 7y = 97
5 (107/7 - 5y/7) + 7y = 97
535/7 - 25y/7 + 7y = 97
535/7 + 24y/7 = 97
535 + 24y = 679
24y = 679 - 535
y = 144/24 = 6: So x =
7x + 5(6) = 107
7x = 107-30
x = 77-7 = 11