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Vedmedyk [2.9K]
3 years ago
14

Which of the following is equivalent to the expression below?(3x2 + 2x-8)-(2x2-4x+7)​

Mathematics
1 answer:
ad-work [718]3 years ago
6 0

Answer:

A. x^2+6x-15

Step-by-step explanation:

(3x^2+2x-8)-(2x^2-4x+7) distribute the negative sign

3x^2+2x-8-2x^2+4x-7 combine like terms and simplify leaves us with the answer;

x^2+6x-15

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Step-by-step explanation:

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If 15% off an item cost 36.21 then what would 100% of the item be?
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Please help! please show the work and not give me and answer thank you ❤️
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Ans. 1 Angle E and angle F are corresponding angles.

Solution 2.

So,

angle E = angle F

=> x + 20 = 5x - 20

=> x + 20 + 20 = 5x

=> x + 40 = 5x

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Solution 3.

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=> E = 10 + 20

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=> F = 5(10) - 20

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=> F = 30

<em>Again</em><em> </em><em>justified</em><em> </em><em>that </em><em>they </em><em>are </em><em>equal</em><em> (</em><em> </em><em>besides</em><em> </em><em>answer </em><em>1</em><em>)</em><em>.</em>

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3 years ago
60 min is 20%of blank min
enot [183]

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20% of the number is 60.

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Step-by-step explanation:

Explanation:

No further explanation required really!


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