Answer:
12-2n
Step-by-step explanation:
Difference means to subtract
Times means to multiply
A number would be the variable
Answer:
∠ a = 60° , ∠ b = 120°
Step-by-step explanation:
Supplementary angles sum to 180° then
x - 40 + x + 20 = 180 , that is
2x - 20 = 180 ( add 20 to both sides )
2x = 200 ( divide both sides by 2 )
x = 100
Then
∠ a = x - 40 = 100 - 40 = 60°
∠ b = x + 20 = 100 + 20 = 120°
Answer:
-7x-8
Step-by-step explanation:
First distribute the parenthesis:
2x-8+6x-5x·3
Following PEMDAS, Do multiplication next:
2x-8+6x-15x
Simplify:
-7x-8
Answer:
-9/28
Step-by-step explanation:
<u>Step 1: Solve</u>
-6/7 * 3/8
-18/56
-18/2 / 56/2
<em>-9/28</em>
<em />
Answer: -9/28
Answer:
The answer is A.
Step-by-step explanation:
This is Associative Law, a + (b+c) = (a+b) + c .
