I pretty sure the answer is c
So, the negative would be divided out to make it 3, then square both sides to get rid of the square root and get 9, then subtract 15 and you get -6. <span />
Answer:
Step-by-step explanation:
All you have to di is subtract the exponents.
Answer:
30
Step-by-step explanation:
If you divide a negative with a negative, you get a positive.
Answer:
x = 20
Step-by-step explanation:
→ Remember how many degrees are on a straight line
180°
→ Set up an equation
2x + 70 + 3x + 10 = 180
→ Simplify
5x + 80 = 180
→ Minus 80 from both sides
5x = 100
→ Divide both sides by 5
x = 20
