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Tutor profile: Amanda D.

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Amanda D.
High School Geometry and Algebra 2 Teacher
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Questions

Subject: Geometry

TutorMe
Question:

Angles A and B are complementary. Angle A is 4x+5 and Angle B is 3x+15. What is the value of x?

Inactive
Amanda D.
Answer:

Complementary means adds up to 90 degrees Angle A + Angle B= 90 4x+5 + 3x+15= 90 7x+20= 90 7x=90-20 7x=70 x=10

Subject: Basic Math

TutorMe
Question:

2+5+x=10, What is the value of x?

Inactive
Amanda D.
Answer:

2+5+x=10 7+x=10 x=10-7 x=3

Subject: Algebra

TutorMe
Question:

Given the equation y=4x+2, what is the slope of the line? Is this slope positive or negative?

Inactive
Amanda D.
Answer:

The formula for equation of a line is y=mx+b, where m is the slope of the line. Given the equation above, the slope of the line is 4 and it is positive.

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