First identify the a, b, c of the quadratic:
A= -2, B= 0, and C= 3
There’s no b value since there’s no x term, just a constant and an x^2
The square root of (0)^2-4(-2)(3) is equal to 24
If you would like to know how many pounds of cashews and peanuts must a grocer mix, you can calculate this using the following steps:
cashews ... x pounds = ? ... $5.60 per pound
peanuts ... y pounds = ? ... $2.30 per pound
x + y = 10 pounds ... x = 10 - y
x * $5.60 + y * $2.30 = 10 * $3.29
x * 5.60 + y * 2.30 = 32.90
(10 - y) * 5.60 + y * 2.30 = 32.90
56 - y * 5.60 + y * 2.30 = 32.90
56 - 32.90 = 5.60 * y - 2.30 * y
23.10 = 3.30 * y
y = 23.10 / 3.30
y = 7 pounds
x = 10 - y = 10 - 7 = 3 pounds
The correct result would be 3 pounds of cashews and 7 pounds of peanuts.
The answer is C hope it helps!!!!!!!!!!!!!
Steps:
1. Subtract 2x from each side
2. Y=-2x + 4
Your answer is y=-2x + 4
It takes 2minutes to make one bag.
If Ashley works alone:
900 bags * 2 minutes= 1800 minutes
Since there is 60 minutes in a hour:
1800/60=30 hours
There is 6 people doing it so:
30 hours/6 people=5 hours
The final answer is 5 hours.
Hope this helps!