-2x+10
plug in x=3
-2(3)+10
-6+10
4
The answer is 4
Answer:
±2sqrt(10) = x
Step-by-step explanation:
40 - x^2 = 0
Add x^2 to each side
40 - x^2+x^2 = x^2
40 = x^2
Take the square root of each side
sqrt(40) = sqrt(x^2)
±sqrt(40) = x
±sqrt(4) sqrt(10) = x
±2sqrt(10) = x
The nearest percent increase in 53 to 68 is about 29 percent.
