Answer:
5
Step-by-step explanation:
1. in order to calculate all the required values, it needed to solve:

2. x≥5 means, that x∈[5;+∞), where beginnig is '5'.
Answer:
A) 40 feet.
B) 7 inches.
Step-by-step explanation:
A) To acquire 8 inches, multiply the corresponding scale factor by 8:
1 inch equals 5 feet; 8 inches equals 40 feet
The genuine house stands 40 feet tall.
B) You can write the percentage if you want...
dwg / (35 feet) = 1 in / (5 ft)
When you multiply by 35 feet, you get...
7 in dwg = (1 in)(35 ft)/(5 ft)
In the scale drawing, the home measures <em>7 inches in length</em>.
Answer:

Step-by-step explanation:
First, note that

And using the chain rule in one variable

Now remember that the chain rule in several variables sates that

Therefore the chain rule in several variables would look like this.
