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Dennis_Churaev [7]
3 years ago
7

One of the third grade classes at Infinity Elementary raised $120 so far for a book sale. Thjey have raised 75% of their goal. H

ow much is their goal?
Mathematics
1 answer:
marshall27 [118]3 years ago
8 0
120÷x =.75
multiply both sides by x
120=.75x
divide by .75
x=160
we can check our answer by dividing 120÷160=.75 our original percent
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X^2-5x+2 x 3x^2 +2x +3
Katen [24]

Answer:

3x^4 - 13x^3 - x^2 - 11x + 6.

Step-by-step explanation:

x^2-5x+2 x 3x^2 +2x +3

= x^2(3x^2 +2x +3)  - 5x(3x^2 +2x +3) + 2(3x^2 +2x +3)

=  3x^4 + 2x^3 + 3x^2 - 15x^3 - 10x^2 - 15x + 6x^2 + 4x + 6

Adding like terms:

= 3x^4 - 13x^3 - x^2 - 11x + 6.

5 0
3 years ago
Solve the system of equations and choose the correct ordered pair. 
chubhunter [2.5K]
Multiply first equation by 8, 
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Multiply second equation by 3, 
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Now, subtract second from 1st, 
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y = 427/61
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Substitute it in very first equation, 
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In short, Your Answer would be Option D) (3, 7)

Hope this helps!
7 0
3 years ago
Write an equation for a rational function with:
katrin [286]

Answer:

Step-by-step explanation:

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zlopas [31]

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7 0
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Read 2 more answers
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Vlad1618 [11]

Answer:

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Step-by-step explanation:

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