7x+9 equal 10 because it is equal to 5,
A,and D!! Hope this helps! :)
Answer:
Therefore it will take s for the object to reach the ground.
Step-by-step explanation:
Given function is
H(t) = -64 t²+169.
where H is height in feet, and t is time in second.
When the object touches the ground, the height of the object will be zero.
i.e H(t) = 0.
Therefore
H(t) = 0
⇒ -64 t²+169=0
⇒ -64 t²= -169
[ square root both sides]
Time can not be negative.
Therefore
Therefore it will take s for the object to reach the ground.
Answer:
5x+9
Step-by-step explanation:
2(x-2)+3(x+5)
2x-4+3x+15
2x+3x-4+15
5x+9
8(x-3)=8x-24
8x-24=8x-24
8x=8x
x=x
Since x just has to equal itself and not a specific number, there are C, infinitely many solutions to this equation.