Answer:
2 seconds
Step-by-step explanation:
The formula h = -16t^2 +vt +s gives the vertical height (in feet) at time t (in seconds) for an object with an initial vertical velocity (in ft/s) of v and an initial height (in ft) of s. The problem statement tells us the ball's initial velocity is v=34 and the initial height is s=4.
Then the equation is ...
h = -16t^2 +34t +4
We want to find the value of t when h=8. There will be two solutions, one when the ball is going up, and the other when the ball is coming down. We are interested in the second solution.
8 = -16t^2 +34t +4
16t^2 -34t +4 = 0 . . . . . subtract the right side of the equation to put it into standard form
(16t -2)(t -2) = 0 . . . . . . factor the equation
Solutions are values of t that make the factors zero:
t = 2/16 or t = 2
It takes 2 seconds for the ball to come down to meet Mike's head.
Answer:
-1/2
Step-by-step explanation:
Pick 2 points on the line, that are real whole numbers. I used (-3,-3) and (-1,-4)
Calculate the slope using rise over run. -4-(-3)=-1
-3-(-1)=2
Or, after choosing the dots, you can make a triangle
Answer:
I think the answer is 16.
Step-by-step explanation:
If you multiply 3 by 4 you get 12, so if you multiply 4 by 4 you get 16 equaling the fraction of 12/16.
Answer:
thats easy B ur welcome !!!!
Answer:
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- Find the gradient / slope of the line segment between the points points ( 0 , - 3 ) and ( 1 , -8 ).
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Assign one of the ordered pairs to be ( x₁ , y₁ ) and another to be ( x₂ , y₂ )
- ( x₁ , y₁ )
- ( x₂ , y₂ )
Substitute values into the slope formula and then simplify :
↦
↦
↦
Hence , Our answer is .
Hope I helped!
Have a wonderful day / night ツ
~TheAnimeGirl ♪
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