Answer:
$3/book
Step-by-step explanation:
cost per book means divide the price of all the books by the number of books
$15/(5 books) = $3/book
Answer:
The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.
Step-by-step explanation:
Given : A potato launched by a particular potato gun has a height described by .
To find : When is the potato 224 feet in the air?
Solution :
When the potato is 224 feet in the air i.e.
Substitute in the equation ,
Applying quadratic formula,
Here, a=4, b=-31 and c=55
The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.
Answer:
X = 0.8
Step-by-step explanation:
reorder the terms by moving all terms that contain X to the left, and all the others to the right.
add 2X to both sides
Combine like terms
add (-5) to both sides
combine like terms
divide both sides by 5
Answer:
a= 9
Step-by-step explanation:
If you are using the forumla a+b=c
a+48=57
57-48=9
a=9
9=48=58