I think u are missing and x^2
Answer:
14x² - 21
Step-by-step explanation:
given for a rectangle,
height = 7
width = 2x² - 3
Area = height x width
= 7 (2x² - 3)
= (2x²) (7) - 3 (7)
= 14x² - 21
In this problem, the reference of the scale is referring to feet. Firstly, convert 72 inches to feet so that you can properly make the proportion.
72 inches = 6 feet
With the scale of 2 inches per 3 feet, we can set up an easy proportion to see how wide the door will be on the drawing.
3 feet 6 feet
——— = ————
2 inc. ‘x’ inc.
3x=12
X=4 inches
Solving the proportion by cross-multiplication reveals that the scale drawing of the patio door would be 4 inches wide.
I’ll help on some a) is 500 calories burned in a hour . B)walking 2 per hour
Do you mean negative (-) 2.3 or did you mean subtracted by - 2.3?
