4/7= 0.57142857
Rounded to nearest hundredth is
0.57
9514 1404 393
Answer:
5 seconds
Step-by-step explanation:
You want the positive value of x when y = 0.
0 = -18x² +90x
0 = -18(x)(x -5) . . . . . factor
x = 0 or 5 . . . . . values that make the factors zero
The ball will return to the ground after 5 seconds.
Answer:13 Is your answer.
Step-by-step explanation:
Answer:
b. s = -21t + 84
Step-by-step explanation:
x-3y=7 2x-6y=12
You can multiply -2 in the first equation like this.
x+6y=7
2x-6y=12
Now you can eliminate 6y and -6y so cross them out and do x-2 which is -1 and 7-12 which is -5 -1/-5 would be .2
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