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POOPINgligma
21.02.2021 •
Mathematics
Assume that a watermelon dropped from a tall building falls y = 16t ^ 2 ft in t sec. Find the watermelon's average speed during the first 6 sec of fall
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Ответ:
A.) 96 ft/sec
Step-by-step explanation:
to find the average speed of the watermelon's fall in 6 seconds, substitute 6 as t in the equation and then divide by 6:![y = \frac{16(6)^{2} }{6} = 96 ft/sec](/tpl/images/1134/4173/08ce2.png)
Ответ:
x=3,y=1
Step-by-step explanation:
x+2y = 5
x-2y = 1
Add the two equations together to eliminate y
x+2y = 5
x-2y = 1
2x +0y = 6
Divide by 2
2x/2 = 6/2
x = 3
Then solve for y
x+2y = 5
3 + 2y =5
2y = 5-3
2y = 2
Divide by 2
2y/2 = 2/2
y =1
x=3,y=1
Check
3+2(1) = 5
5=5
3-2(1)=1
1=1