Answer:
Hi there!
Your answer is:
D: 18.00$
Step-by-step explanation:
First, we plug in all the numbers under the columns "Kitchen Sink", "Bathroom Sink" and "Shower" in our matrix calculator as A. Then, we plug in all the numbers under "Total Selling Price" in our matrix calc as B. Then, we perform the equation A^-1 * B. We will look to the 3rd row for this, since shower is our "z" and the third row represents z
Since profit is determined by .15 * 120, we calculate this. Your answer is 18.
Hope This Helps
<u>Edge Tested & Approved</u>
The answer is every box except for number one
Answer:
Step-by-step explanation:
Start with:
Distribute the into :
Combine like terms:
Add to both sides of the equation:
Subtract from both sides of the equation:
Divide both sides of the equation by the coefficient of , which is :
or
Answer:
1000
Step-by-step explanation:
Since the Richter Scale is based off of an exponential equation, every point on the scale adds a magnitude of 10.