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sergeinik [125]
2 years ago
13

Solve and show work. 0.9 (3 - x)

Mathematics
2 answers:
kolezko [41]2 years ago
8 0
Distribute 0.9 to (3-x) 
0.9 x 3 - 0.9x multiply the numbers
2.7 - 0.9x 
garri49 [273]2 years ago
8 0
The answer to the problem is -0.9x+2.7
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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
Hatshy [7]

Answer:

The change in the area of the rectangle is 0 square feet

Step-by-step explanation:

To solve this problem we have to calculate the area of ​​the two rectangles that give us

first we have to know the formula to calculate the area of ​​a rectangle

a = area

l = length  = 12ft

w = width = 5ft

a = l * w

we replace the known walues

a = 12ft * 5ft

a = 60ft²

we do the same with the other rectangle, but first we have to calculate its sides

w = 5ft - (5ft * 20/100)

w = 5ft - 1ft

w = 4ft

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to calculate the change in the area we subtract (a - a2)

a - a2 =

60ft² - 60ft² = 0ft²

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2 years ago
Is 1/8 irrational or rational
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21.50 x y = 225<br> what is y?<br> I need help, please
garik1379 [7]

Answer:

10.5

Step-by-step explanation:

225÷21.50

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