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Alenkasestr [34]
3 years ago
14

Sienna is solving the quadratic equation by completing the square.

Mathematics
2 answers:
stellarik [79]3 years ago
7 0
If you would like to know the value of A, you can do this using the following steps:

3x^2 + 9x - 4 = 0
3x^2 + 9x = 4
<span>A(x^2 + 3x) = 4

</span>A = 3:
<span>3 * (x^2 + 3x) = 4
</span>3x^2 + 9x = 4

The correct result would be C: 3.
Ainat [17]3 years ago
3 0

Answer:

the answer is C.) 3

Step-by-step explanation:

i took the test : )

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$1 times 5 equals $5

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Gcf of 12x^5y and #2x^6y
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3 2/3 minus 1 12/15 <br> Mixed Number Addition and Subtraction
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3 years ago
Linda. owed 8 lawns this week and earned $56. how much would Linda have earned if she had mowed 10 lawns?
Drupady [299]
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6 0
3 years ago
Can someone please help me with 44. And 45?
Angelina_Jolie [31]

Problem 44

The term "bisect" means "cut in half".

Since BD bisects angle ABC, this means the smaller angles ABD and DBC are congruent.

angle ABD = angle DBC

x+15 = 4x-45

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60 = 3x

3x = 60

x = 60/3

x = 20

<h3>Answer:  x = 20</h3>

========================================================

Problem 45

We use the same idea as the previous problem

angle ABD = angle DBC

2x+35 = 5x-22

35+22 = 5x-2x

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3x = 57

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x = 19

<h3>Answer: x = 19</h3>
6 0
2 years ago
Read 2 more answers
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