8-4x=2x
-4x-2x=-8
-6x=-8
x=-6/-8
=3/4 or 0.75
Answer:
The maximum height of the watermelon is 74 feet.
Step-by-step explanation:
The watermelon reaches its maximum height when its velocity is zero. Mathematically speaking, velocity is the first derivative of the function height, that is:
(1)
Where 
is the velocity, in feet per second.
If we know that 
and 
, then the time associated with maximum height is:
(2)
Now we evaluate the function height at time found in the previous step: ()
The maximum height of the watermelon is 74 feet.
Answer:
y=x+5
Step-by-step explanation:
you not subtracting, your adding five
the output is x+5 so whatever you input into the x, you add 5
Answer:
31xy
Step-by-step explanation:
28xy + 3xy = 31xy
Answer: 12 boys at the movie
Step-by-step explanation:
The ratio of boys to girls is 4:7. There are 21 girls at the movie. This is 3 times more than the simplified ratio of girls to boys. Thus, to find the answer, multiply 4 by 3 to get 12 boys at the movie.
