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Inessa05 [86]
3 years ago
9

Simplify 9x^2-3x(2x-4)-6x

Mathematics
1 answer:
Vinvika [58]3 years ago
3 0
The answer is 
3 x^{2} +6x<span><span>
Remember to combine like terms. 
Hop this helps. c:</span></span>
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Find an ordered pair that is a solution to the equation.
AveGali [126]

Answer:

(x,y) = (4,1)

Step-by-step explanation:

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3 0
2 years ago
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The perimeter of a rectangle is 72 in. The base is 3 times the height. Find the area of the rectangle
Dovator [93]

Answer:

243 in²

Step-by-step explanation:

Step 1. Calculate the<em> base and height </em>of the rectangle

We have two conditions:

(1)   2b+ 2h = 72 in

(2)           b = 3h               Substitute in (1)

2(3h) + 2h = 72               Remove parentheses

   6h + 2h = 72               Combine like terms

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Step 2. Calculate the area of the rectangle

A = bh

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A = 243 in²

The area of the rectangle is 243 in².

7 0
3 years ago
Can you so me work for7\10-1\2
Rina8888 [55]
Well, 1/2 is equal to 5/10... so 7/10 - 5/10 is 2/10 because 7-5=2 :)
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3 years ago
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