3*3^2+2*10^2-15=212
The answer is 212
Answer:
Two parts red paint to one part blue.
Step-by-step explanation:
An example would be 2/3 cup red paint mixed with 1/3 cup blue.
Its C.
Negative x Negative is positive, so its not A or D.
Positive x Positive is Positive, so its not B either.
C is your option because Positive x Negative is Negative, and vice verca.
Answer:
x = 1.53, -1.53.
Step-by-step explanation:
9x^2 - 21 = 0
9x^2 = 21
x^2 = 21/9
x = +/- √21 / 3
x = 1.53, -1.53.
your need to factor this quadratic
2(x^2 +3x+2)=0
2(x+1) (x+2)=0
the intercepts are -1, -2