First you would distribute the -3
-3x+1+7x=27
Combine like terms
4x+1= 27
Minus 1 on both sides
4x= 26
Divide by 4
X= 6.5
Average thickness of book = Total thickness/mo. of books
= 28 cm/ 10
= 2.8 cm
Thus, on average, each book has 2.8 cm thickness.
Answer:
105.4º
Step-by-step explanation:
supplementary angles total 180º
180 - 74.6 = 105.4º
8 ounces butter
4sugar
6flour
2 eggs
