- Mary earns an hourly wilge of $13 plus a $90
2 answers:
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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
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
The exterior angles of a triangle are (2x+10)⁰, (3x-5) ⁰ and (2x+40) ⁰
To get interior angle for each , subtract from 180
Sum of interior angles = 180
Answer: x=45
smaller angle =50 degree
largest interior angle = 80 degrees