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aliina [53]
3 years ago
5

( 7x + 2x - 3x2 + 9x) + (5x + 8x2 - 6x2 + 2x - 5)​

Mathematics
1 answer:
Elena-2011 [213]3 years ago
3 0

Answer:

-x2+25x-5

Step-by-step explanation:

7x+2x−3x2+9x+5x+8x2−6x2+2x−5

=−x2+25x−5

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Answer:

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Step-by-step explanation:

We have been given that George had 1 sheet of paper. He cuts it into 6 inches by 5 inches and 3 inches by 6 inches.

We can see that two dimensions of small parts of paper sheet have one dimension same (6 inches), therefore, one dimension of original sheet of paper will be 6 inches.

We can figure out second dimension of original paper sheet by adding the lengths of dimension other than 6. So the second dimension will be 8 inches (5+3).              

Therefore, the dimensions of our original sheet will be 8 inches by 6 inches.

Now let us figure out the total area of the original sheet of paper by multiplying 8 by 6.

\text{The total area of the original sheet of paper}=8\text{ inches}\times 6\text{ inches}

\text{The total area of the original sheet of paper}=48\text{ inches}^{2}

Therefore. the area of original sheet of paper will be 48\text{ inches}^{2}.

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4 years ago
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Step-by-step explanation:

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3 years ago
An isosceles right angled triangle is shown. The area of the triangle is 200cm squared.Work out the value of the x
Licemer1 [7]

Answer:

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Step-by-step explanation:

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