Answer:
x = -44.3
Step-by-step explanation:
2x+450 = 7-8x
Add 8x to each side
2x+8x+450 = 7-8x+8x
10x+450 =7
Subtract 450 from each side
10x+450-450 = 7-450
10x = -443
Divide each side by 10
10x/10 = -443/10
x = -44.3
Answer:
3
Step-by-step explanation:
Range is the largest number minus the smallest number
4-1 = 3
The range is 3
Answer:
30 I think
Step-by-step explanation:
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The easiest way to find that answer is to look at the solution that I just gave you for the same ball traveling at 30 M/Sec, and just substitute 20 in place of 30 in that solution.
Answer:
cos − 1 ( x ) [ − 1 , 1 ] [ 0 , π ]
