Answer:
since i dont know what the diameter is ill give you this formula
Step-by-step explanation:
A=6a2 2 means squared plug the diameter in for lowercase a and solve brainliest plz
Answer:
$170
Step-by-step explanation:
Sally costs 30
Max costs 40
Goliath costs 80(1.25) = 100
add them up
$170
Answer:
270
Step-by-step explanation:
becasue 100 percent of 90 would be 90
![100*3=300](https://tex.z-dn.net/?f=100%2A3%3D300)
so multiply
![90*3=270](https://tex.z-dn.net/?f=90%2A3%3D270)
Answer:
The faster train goes 60mph
Step-by-step explanation:
s= speed
s+20 is the faster train.
Then you are given:
200/s+s+20=2
200=2*(2s+20)
4s+40=200
4s=160
s=40 is the slower train
40+20= speed of faster one
s=60 ;)
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