Which of the following contains a variable?
2 answers:
Answer:
c
Step-by-step explanation:
It doesn't have any number values, so it's able to vary
It’s actually A because it says “200 feet per minute” and we don’t know how much minutes so 200m if you wanna write the equation :)
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Answer:
a1=11
a2=15
a3=20
a1=9,a2=27,a3=57
Answer:
all the angles add up to 180 degrees
So 180÷6=30
(i got 6 cuz 1+2+3)
so 1=30
2=30*2=60
3=30*3=90
2197/20 = 109.85
the answer is 109 17/20
hope this helps
Just add all of them up the sides
