Answer:
5 hours
Step-by-step explanation:
First, you set the equations equal, so 20h=17h+15
Second, you isolate the h, so you would subtract 17h from both sides, giving you 3h=15
Last, you divide both sides by 3 giving you h=5, meaning the companies charge the same price after 5 hours.
3 units because 3 is on the x axis
Answer:
x=3
Step-by-step explanation:
y= -2
4x-3y=18
4x-3(-2)=18
4x-(-6)=18
4x+6=18
4x+6-6=18-6
4x=12

x=3
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Answer:all i know its either 12 or 6 i hope u get it right:)
Step-by-step explanation:
It's directly proportional, so
m=kw
Find the value of k
900=k(18)
k= 50
Answer: m=50w