Answer:
204
Step-by-step explanation:
Answer:
x=19º
x+9=28º
7x=133º
Step-by-step explanation:
x+9+x+7x=180
9x+9=180
9x=180-9
9x=171
x=19
Answer:
The number is -3.
Step-by-step explanation:
Set up an equation:
Variable n = number
12 + 7n = n - 6
Assuming the question is solve for n, isolate the variable:
Subtract n from both sides:
12 + 6n = -6
Subtract 12 from both sides:
6n = -18
Divide by 6 on both sides:
n = -3
Check your work:
12 + 7(-3) = -3 - 6
12 - 21 = -3 - 6
-9 = -9
Correct
Answer:
the anwser is H
Step-by-step explanation:
- frist x^2=16 it means the radical of 16 is x
the radical of 16 is《 4》
♧x^3 it means 4^3=64
the radical of 4 is 2
- then 64+2=66
