I graphed the equation using an online graphing calculator and got the vertex of (-5, 49) therefore y = 49
1. combine like terms (2x and -7x) to create -5x
2. subtract 5 from each side to create: -5x=10
3. divide both sides by -5
4. x=-2
When purchased for 6.19, after mark up +4.20 = $10.39
Answer:
8.9 grams per centimeters cubed
Step-by-step explanation:
The formula for density is D=M÷V
Just divide 222.50 by 25.00 and you are done.
Step-by-step explanation:
distance walked by him = 1/ 3 miles
time taken in doing so = 3/ 4 hrs.

