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Stolb23 [73]
2 years ago
10

Factor completely 4xy−24y−x+6

Mathematics
1 answer:
olga_2 [115]2 years ago
8 0
4xy-24y-x+6
(4xy-24y)(-x+6)
4y(x-6) -1(x-6)
(4y-1)(x-6) is the factored form
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Which are the solutions of the quadratic equation?
Drupady [299]

For this case we must find the roots of the following equation:

x ^ 2-7x-4 = 0

We have to:

x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}

Where:

a = 1\\b = -7\\c = -4

Substituting the values:

x = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (1) (- 4)}} {2 (1)}\\x = \frac {7 \pm \sqrt {49 + 16}} {2}\\x = \frac {7\pm\sqrt {65}} {2}

We have two roots:

x_ {1} = \frac {7+ \sqrt {65}} {2} = 7.53\\x_ {2} = \frac {7- \sqrt {65}} {2} = - 0.53

Answer:

x_ {1} = \frac {7+ \sqrt {65}} {2} = 7.53\\x_ {2} = \frac {7- \sqrt {65}} {2} = - 0.53

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3 years ago
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Afina-wow [57]

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5 0
2 years ago
What is the average of 3/7 and 3/14?
Rus_ich [418]

Answer:

9/28

Step-by-step explanation:

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To find the average, add all the terms then divide by the number of terms

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4 years ago
Read 2 more answers
Please please please help!! this is a quiz please<br><br> please give an explanation too
PolarNik [594]

Answer:

A) The temperature dropped 12 degrees over 3 hours. How much did it change each hour.

Step-by-step explanation:

This is the only one that makes sense. If you were to divide 12 by 3 you would get 4 degrees dropped every hour. The other two answer choices are just complety wrong.

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3 years ago
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Svetllana [295]
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3 years ago
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