We did this same kind of problem in school. All we did was divide the those 2 numbers to figure out the unit price. So, 20/5 = 4 $ per CD.
Answer:
4/-13
Step-by-step explanation:
The formula for slope is y2-y1 over x2-x1.
Answer:
Dustin has 18 quarters and 15 pennies.
Step By Step Solution:
(See image above)
To effectively determine the correct answer, it would be helpful to write this into an algebraic expression. We let x as the number. We do as follows:
<span>Four times the square of a certain number increased by 6 times the number equals 108.
4x^2 + 6x = 108
The numbers can be either of the following since the equation generated was a quadratic equation which has two roots.
x = 4.5
x = -6 </span>
