Answer:
r = 12.89
Step-by-step explanation:
18(2) + 15(3) = 81 = C
C = 2πr
81 = 2πr
81/2 = πr
r = 81/2π ≈ 12.89
Answer:
the short piece is 28 and the long piece is 56
Step-by-step explanation:
you can label the short piece x and the long piece as 2x
84= short (x)+ long (2x)
84=x+2x
84=3x
x=28
Answer:

Step-by-step explanation:
ΔABC and ΔBDC are similar (AAA).
Therefore the corresponding sides are in proportion:

substitute

<em>cross multiply</em>
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Solutions
A fraction is a numerical quantity that is not a whole number. To find fractions that are equivalent you<span> multiply the numerator and denominator by the same number.
</span>Equivalent fractions to 4/6
<span>=2/3
= 4/6
= 6/9
= 8/12</span>
Answer:
whats the question ????
Step-by-step explanation: