The rational expression will be zero when its numerator is zero and its denominator is NOT zero.
3x + 15 = 0
3x = -15
x = -5
We check and the denominator 6 - x = 6 - -5 = 11, not zero, good.
Answer: D. -5
Answer:
Step-by-step explanation:
We're going to use the distance formula to find the distance between two points. The formula is:
d =
Our two points are (x1, y1) and (x2- y2)
Let's make the point (0, 0) be our (x1, y1), and the point (4, 7) be our (x2, y2).
Substitute the points into the formula.
d =
d =
d =
d =
I don't know if the question is asking for the exact value or the decimal value, but the exact value is . You can put that value into a calculator to find the decimal value.
Answer:
Decrease by 20%.
Step-by-step explanation:
We have to find the percent of increase or decrease from n to .
Now,
So there is a decrease fro n to .
Now, the percentage of decrease will be given by
=
=
= 20% (Answer)
Answer:
She drank 14 ounces
She has 28 ounces left
Step-by-step explanation:
42 times 1/3= 14
42-14=28