Answer:
Each cookie costs $1.30
Step-by-step explanation:
7x+2=11.10
Subtract 2 from both sides
7x=9.10
Divide both sides by 7
x=1.30
Answer:
cos(
) or 0.339
Step-by-step explanation:
8 Ounces of shampoo for $0.89
Answer: 5/4
Step-by-step explanation:
if two number have the same denominator, then the number with the greatest numerator is the greatest.
Basically if the bottom number of two fractions are the same, the bigger top number is the bigger number.
You know that the sum of the interior angles in a triangle is 180
we will add all the angles,
(x+8)+(2x-8)+(3x-12)=180
x+8+2x-8+3x-12=180 8 and -8 cancel out
6x-12=180
6x=180+12
6x=192
x=192/6=32
x=32
