Both expression have the same denominator: 9x²-1. Thus it must not be 0.
9x²-1=(3x-1)(3x+1)=0, resulting x=+-1/3.
Restrictions: x in R\{-1/3, 1/3}
Adding those expressions:
E=(-x-2)/(9x²-1 ) + (-5x+4)/(9x²-1)=
(-x-2-5x+4)/(9x²-1)=(-6x+2)/(9x²-1)=
(-2)(3x-1)/(9x²-1)=-2/(3x+1)
E=-2/(3x+1)
Divide 384 by 12 then multiply it by 5 to give you 160
The answer is C 11 1/4 or 11.25 Cubic inches
Answer:
4 months
Step-by-step explanation:
if she paid the 15 already subtract it from the 155. Once you that you get 140 and if you break that inton groups of 35 *division* than you get 4. As in 4 months
I think it's B. 13/10 * 4
Explanation:
It's +0.3 more servings, so it would rule out C and D, which uses the digit 7(nothing to do with this problem.
13/10 instead of 3/10 because it's adding 0.3. More than 4L
