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SSSSS [86.1K]
3 years ago
13

HELP PLEASEEEEEEEEEEEEE

Mathematics
2 answers:
stepan [7]3 years ago
7 0

Answer:

1)68

2)46

Step-by-step explanation:

Dima020 [189]3 years ago
3 0

Answer:

<u></u>

<u>1.      112</u>

<u>2.     46</u>

Step-by-step explanation:

1.

When two parallel lines are intersected by a transversal, the alternate interior angles are supplementary. Meaning that their angle measures add up to 180 degrees. Set up an equation and solve for the unknown angle using inverse operations.

68 + ? = 180\\-68\\\\? = 112

2.

When two parallel lines are intersected by a transversal, the corresponding angles are congruent, in other words, they have the same angle measure.

? = 46

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1) a^2+2ab+b^2=25, find a+b
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Answer:

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Step-by-step explanation:

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All values of a + b are -5 and +5.

2) a² − 8ab + 16b² = 81

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4 years ago
What is the y-intercept of a line that has a slope of 3 and passes through point (-1, -7)?
Ivanshal [37]

Answer:

-4

Step-by-step explanation:

We know it's a linear equation and the slope is a whole number. Using point slope form we will write the equation:

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y - (-7) = 3(x-(-1))

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Change to slope-intercept form:

y = 3x + 3 - 7

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5 0
3 years ago
Read 2 more answers
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Answer:

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4 years ago
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