Answer:
Step-by-step explanation:
2x-5y=20
Making y the subject
-5y = -2x + 20
Dividing by -5
y = -2/-5x + 20/-5
y = 2/5x - 4
So comparing with y = mx + c
Slope m = 2/5
Intercept c = -4
Step-by-step explanation:
the answer is in the picture
Answer:
5.47
Step-by-step explanation:
5.46825396825 (full)
rounded to the nearest hundredth:
5.47
Answer:
4860 ft^2
Step-by-step explanation:
9 feet is represented by 1 inch.
● 9 => 1
Square both sides
● 81 => 1
So a 81 ft^2 square is represented by a 1 in^2 square (picture below)
■■■■■■■■■■■■■■■■■■■■■■■■■■
The gym's area in the blueprint is 60 in^2
That 60 1in^2 squares.
● 1 => 81
● 1×60 => 81×60
We have multiplied both sides by 60
● 60 => 4860
So the original are is 4860 ft^2