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svetoff [14.1K]
2 years ago
15

What is the answer? 12+(7+m)=30

Mathematics
2 answers:
gavmur [86]2 years ago
6 0

Answer:

m=11

Step-by-step explanation:

neonofarm [45]2 years ago
6 0

Answer:

m=11

Step-by-step explanation:

12+7=19

30-19=11

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kirill115 [55]
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3 years ago
10 points! How do I factor 8x^2-26x+15
Rufina [12.5K]
<h3><u>(2x - 5)(4x - 3)</u></h3>

The AC method, also known as splitting the middle, can be shown like this:

8x^2 - 26x + 15

<em><u>Check factors of 120.</u></em>

1 * 120

-1 * -120

2 * 60

-2 * -60

3 * 40

-3 * -40

5 * 24

-5 * -24

6 * 20

-6 * -20 (these factors, when added together, are equal to the middle term, and thus splitting the middle term is possible.)

<em><u>Split the middle term.</u></em>

8x^2 - 6x - 20x + 15

<em><u>Group in terms of 2.</u></em>

(8x^2 - 6x) - (20x + 15)

<em><u>Factor each binomial.</u></em>

2x(4x - 3) - 5(4x - 3)

<em><u>Rearrange the terms.</u></em>

(2x - 5)(4x - 3)

6 0
3 years ago
Read 2 more answers
Which equation best matches the graph shown below ?
Shalnov [3]
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8 0
3 years ago
Plz help me find the measure of each angle indicated. then state the type of angle pair
Makovka662 [10]
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2 years ago
Which linear equation represents a line with a slope of -7 and a y-intercept of 12
notka56 [123]

Answer:

<u>Answer</u><u> </u><u>→</u><u> </u><u>y</u><u> </u><u>=</u><u> </u><u>-</u><u>7</u><u>x</u><u> </u><u>+</u><u> </u><u>1</u><u>2</u>

Step-by-step explanation:

General equation of a line:

\hookrightarrow \: { \tt{y = mx + c}} \\

  • m is the slope
  • c is the y intercept

From the question;

m is -7

c is 12

{ \tt{y =  - 7x + 12}}

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2 years ago
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