When it hits the ground, then h=0
find the xintercept or in this case the tintercepts
c=76
v=135
h=-16t^2+135t+76
use quadratic formula
ax^2+bx+c=0
x=

a=-16
b=135
c=76
x=

x=

x=

aprox
x=-0.5297 or 8.967
exclude the negative root since you can't have negative time
means that it takes 8.97 seconds to hit the ground
Answer:
<h2>P = 40.56 ft</h2>
Step-by-step explanation:
We have three sides of a rectangle, and a semicircle.
Three sides of a rectangle: 10ft + 8ft + 10ft = 28ft.
The circumference of a whole circle: C = π(8) = 8π ft.
The semicircle: 8π : 2 = 4π ft
Using π ≈ 3.14 → 4π ≈ (4)(3.14) = 12.56 ft
The perimeter of the figure: P = 28ft + 12.56ft = 40.56ft
Answer:
y = 2x + 1
Step-by-step explanation:
Remove the negative sign-
*NOTE: when you divide the fraction of y2-y1 over x2-x1*
Answer:
Step-by-step explanation:
Tan(A) = opposite / adjacent
A = 35
opposite = x
adjacent = 2
Solution
Tan(A) = x / 2 Multiply both sides by 2
2*tan(35) = x
Tan(35) = .7002
2 * 0.7002 = x
x = 1.400 or 1.40 to the nearest 1 hundredth.
Answer:
Step-by-step explanation:popote