Answer:
x = (-1+√33)/4 or x = (-1-√33)/4
Step-by-step explanation:
Use Quadratic formula with a=2, b=1, c=-4
1st lemon = 6/24
now there's one less donut in the box
2nd custard = 16/23
= (6/24)*(16/23)
= 0.17
Answer:
The square would be 25p^2 - 90p + 81
Step-by-step explanation:
To get this, use the FOIL method. In this, we multiply the first, outer, inner and last pairings.
First - Multiply the first number in each parenthesis.
5p * 5p = 25p^2
Outer - Multiply the outside numbers in each parenthesis.
5p * -9 = -45p
Inner - Multiply the inner numbers in each parenthesis.
-9 * 5p = -45p
Last = Multiply the last numbers in each parenthesis
-9 * -9 = 81
Now take all of those numbers and add together. Then simplify.
25p^2 - 45p - 45p + 81
25p^2 - 90p + 81
He had a profit of $2. Made a $1 each time he sold it.
