Everything about number one is because it's a half of circle so its area = 1/2 ¶r^2 and its perimeter = ¶r
3 and 2/3 hours.
Multiply the number of hours Dominic spent by the scale factor.
Answer:
Feet
Step-by-step explanation:
Answer: -4
Step-by-step explanation: -4/4 = -1
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Y = 20x
y • x = 180
180/x = y
180/x = 20x
180 = 20x^2
x^2 = 6
x = + or - 3
Therefore y must equal + or - 60.