piperk19

27.10.2020 • 

Mathematics

Jodi paints one wall in her bedroom with area 8 75/6 sq ft. She paints the bottom portion of the wall purple and the rest pink. A wall that is ten and one third feet long. A small part at the top is pink and the rest is purple.

Part A
Which equation represents the total height of the wall?
A 8 75/6÷10 1/3=8 1/2 ft B 8 75/6×10 1/3=907 11/18 ft C 8 75/6×10 1/3=8 1/6 ft D 87 5/6÷10 1/3=43 3/4 ft
Part B
Suppose the area of the purple portion of the wall is 6578 ft2. Select the best estimates for the fraction of the wall that is purple.
A. 1/3 B. 3/4 C. 1 1/3 D. 2/3 F. 1/2
Part C
Which equation represents the fraction of the wall that is purple?
A. 8 75/6÷6578=1 1/3 B. 65 7/8÷87 5/6=3/4 C. 87 5/6÷65 7/8=2/3
D. 65 7/8÷87 5/6=2/3

Ответ:

godchaux15395

06.09.2020

Mathematics

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For 15 to 20, change the equation from y=mx+b into mx-y=-b
Example: 15) y=-5x+2 into -2=-5x-y or 2=5x+y
For 21-29, the numbers in the parenthesis are coordinates (x, y) so uh the equation y=mx+b plug in the m that is given and x and y and then solve for b to complete the equation
Ex: 21) (-8,3) m=2
Y=mx+b
3=2(3)+b
3=6+b
-3=b
So y=2x-3
Do the same to the others

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