Step-by-step explanation:
An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $6830 and his stock in Company B was worth $2600. The stock in Company A has increased 20% since last year and the stock in Company B has increased 5%. What was the total percentage increase in the investor's stock account? Round your answer to the nearest tenth (if necessary).
To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.
PQ = 40 inches
The answer is C
Answer:
D: 12
Step-by-step explanation:
The entire segment KI is composed of the segments KJ and JI. So:
![KI=KJ+JI](https://tex.z-dn.net/?f=KI%3DKJ%2BJI)
We know that KI is 15.
KJ is (2x-15) and JI is (2x-6). Substitute:
![15=(2x-15)+(2x-6)](https://tex.z-dn.net/?f=15%3D%282x-15%29%2B%282x-6%29)
Solve for x. Combine like terms:
![15=4x-21](https://tex.z-dn.net/?f=15%3D4x-21)
Add 21 to both sides:
![4x=36](https://tex.z-dn.net/?f=4x%3D36)
Hence, the value of x is:
![x=9](https://tex.z-dn.net/?f=x%3D9)
We know that JI is 2x-6.
We will substitute 9 for x to find JI. So:
![JI=2(9)-6=18-6=12](https://tex.z-dn.net/?f=JI%3D2%289%29-6%3D18-6%3D12)
Hence, our answer is D.