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love history [14]
3 years ago
8

7. (0) + (-9) * (+8) =

Mathematics
1 answer:
ivolga24 [154]3 years ago
7 0

Answer:

-72

Step-by-step explanation:

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Solve this sum. ....​
MrRissso [65]
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Given that points Q, R, S lies between O and P meaning that the points are between 0 and 3

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so points:

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3 years ago
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The length of a rectangle is 2 centimeters less than its width. What are the dimensions of the rectangle if its area is 195 squa
JulijaS [17]

Answer:

Length=15 cm

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Step-by-step explanation:

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#We substitute the length and width values and equate to the given area:

A=lw\\195=x\times (x-2)\\\\195=x^2-2x

#Rewrite as a quadratic and solve for x:

195=x^2-2x\\\\x^2-2x-195=0\\\\\# Use \ the \ Quadratic\  formula \ to\  solve:\\\\x_1,x_2=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\\therefore x_1,x_2=\frac{-(-2)\pm\sqrt{(-2)^2-4\times 1\times(-195)}}{2\times 1}\\\\\\x_1=15, x_2=-13

Since dimensions are always positve, the x value is 15

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8 0
3 years ago
Please help me with this , probably easy for others but i don't got energy to do it : ')
Simora [160]

Answer:

I believe its B

Step-by-step explanation:

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(printer cost) = 0.20 * (savings)
(printer cost)/0.20 = (savings)

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lozanna [386]
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