5x^2 - 80 = 0
5x^2 = 80
x^2 = 80/5
x^2 = 16
x = sqrt 16
x = (4,-4) <===
Answer:6
Step-by-step explanation:
-7=s+(-13)
Open bracket
-7=s-13
Collect like terms
s=-7+13
s=6
Answer:
x=510/7
Step-by-step explanation:
51/70=x/100
cross product
70*x=51*100
70x=5100
x=5100/70
x=510/7
1/5 of 55=55/5= 11. Hope that helps. ((:
Answer: A:$3.00
Step-by-step explanation:
you just divide 45 divided by 15
