Answer:
If you mean 4x to the power of 3 - 18x to the power of 2 +3x -13 then the answer is false
Answer: There are 500 ninth grade students at Richbartville high school.
Step-by-step explanation:
Let be "x" the number of ninth grade students that are at Richbartville high school.
You know that the number of ninth grade students take algebra is 450 and this amount represents the 90% of the the ninth grade students at Richbartville high school.
Knowing this, you can set up the following proportion:
The final step is to solve for "x" in order to find its value. This is:
Therefore, there are 500 ninth grade students at Richbartville high school.
Answer:
A) x > -5
Step-by-step explanation:
we know that
where
I is the amount in interest
P is the investment
r is the interest rate
t is the time in years
Solve for t
we have
substitute
therefore
<u>the answer is</u>