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White raven [17]
3 years ago
6

Please help asap. 45 points

Mathematics
2 answers:
Levart [38]3 years ago
5 0
The answer is B. hope that help

ch4aika [34]3 years ago
5 0
2(10x^2) + 22x -12

2(10x^2) + 2(11x) - 12

2(10x^2) + 2(11x) + 2 (-6)

2(10x^2 + 11x) + 2 (-6)

2 (10x^2 + 11x - 6) 

2 (10x^2 - 4x + 15x - 6)

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

2 ((5x - 2) (2x + 3))

Finally, your answer is 2 (5x - 2) (2x + 3) 



 

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One month, Ruby worked 6 hours more than Isaac, and Svetlana worked 4 times as many hours as Ruby. Together they worked 126 hour
Paladinen [302]

Answer/Step-by-step explanation:

Let x hours be the number of hours Issac worked

    x+6 hours be the number of hours Ruby worked

   4(x+6) hours be the number of hours Svetlana worked.

x + x + 6 + 4(x+6) = 126

x + x + 6 + 4x +24 = 126

                  6x +30 = 126

                         6x = 96

                           x = 16

Therefore, Issac worked 16 hours.

                 Ruby worked 16+6 = 22 hours

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<u><em>If helpful, please mark as brainliest! =)</em></u>

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3 years ago
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kati45 [8]

Answer:

AB = 185.77 feet

Step-by-step explanation:

From the figure attached, in ΔABC,

m∠B = 103.2°, m∠C = 14.4° and side BC = 661 feet

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Since ∠A + ∠B + ∠C = 180°

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By applying sine rule in the given triangle ABC

\frac{AB}{sinC}=\frac{BC}{sinA}

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AB = \frac{0.249\times661}{0.886}

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4. Do the same with the numbers above the median.

5. Take the medians of the lower numbers and higher and find the difference,

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