15% = .15
add 1.00 to include the original amount
9 *(1+0.15) = 10.35
so $10.35
Answer: The projectile reaches its maximum height after 20 seconds.
Step-by-step explanation:
Given the function:
You can following formula (which gives the x -coordinate of the vertex of the parabola) in order to find after how many seconds the projectile takes to reach its maximum height:
In this case you can identify that the values of "a" and "b" are:
Then, substituting values into the formula, you get the following result:
Therefore,based on this, the conclusion is: The projectile reaches its maximum height after 20 seconds.
A dozen eggs is 12 eggs. each one weighs 3.5 grams, so 12 x 3.5 = 42 grams
Answer:
41x41=1681
9 x 9 = 81
1681-81=1600
1600 square root is 40
X=40
Step-by-step explanation:
X = boys
2x+24=5x
Subtract 2 x from each side
24=3x
X=24/3 = 8
there are 8 boys