Answer:
r = 8
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi *r
16 pi = 2 * pi r
Divide each side by 2 pi
16 pi /2 pi = 2 pi r / 2 pi
8 = r
Answer:
$156.25
Step-by-step explanation:
25% of 125 is 31.25. So 125+31.25 is 156.25.
Answer:
r + 69x + 48 / x + 6
Step-by-step explanation:
The answer is 14.9 or you can say <span>14 </span><span>9/10.</span>
Write a system of equations and solve.
x + y = 10
5x + 10y = 90
Multiply and combine equations
-5x - 5y = -50
5x + 10y = 90
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5y = 40
y = 8
x = 2
There are 2 nickels and 8 dimes in the jar. Hope this helps! :)
