Add a minus sign in front of the x
Answer:
a’s average speed is 60km/h
Step-by-step explanation:
x = a’s average speed
60/40 = 90/x
Cross multiplication:
60x = 40x90
60x=3600
Divide both sides by 60
x= 60
Formula For calculating the area for triangle is base length times height divided by two. In this case, it’ll be ‘a’ x ‘b’ divided by 2.
Answer:
The value of A is 12 and Value of B is 18
Step-by-step explanation:
A+B = 12+18 = 30
A:B = 12:18 = 2:3
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