Answer:
c. 10
Step-by-step explanation:
Eliminate parentheses using the distributive property.
3(b+4) -2(2b+3) = -4 . . . . given
3b +12 -4b -6 = -4 . . . . . parentheses eliminated
-b +6 = -4 . . . . . . . . . . . . collect terms
-b = -10 . . . . . . . . . . . . . . subtract 6
b = 10 . . . . . . . . . . . . . . . . multiply by -1
_____
The rules of equality require that any operation you perform on one side of the equal sign must also be done on the other side. So when we say "subtract 6", we assume you know that means "subtract 6 from both sides of the equation", for example.
If we are talking about degrees they should equal 180
Answer: 8.66666666667
Step-by-step explanation:
Answer:
3*9 = 27
5*5 = 25
27 + 25 = 52 < 60
She doesn't have enough cloth. She needs 8 square feet of cloth.
Answer:The mitochondria makes energy for the cell.
Step-by-step explanation:
I did a project on it in 4rth grade