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Tutor profile: Andrea K.

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Andrea K.
Math & Science Tutor
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Questions

Subject: Trigonometry

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Question:

A right triangle has legs 5cm and 3cm. What is the angle between the shortest leg and the hypotenuse?

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Andrea K.
Answer:

1. A = 3, B = 5, angle c = 90deg 2. Find angle b 3. Right triangle = SOH CAH TOA 4. tan(b) = opposite / adjacent 5. b = arctan (opposite / adjacent) 6. b = arctan (5/3) 7. b = 59.036deg

Subject: Basic Math

TutorMe
Question:

Tom has 3 apples and 4 pears. Jim has 6 apples and 2 pears. If Jim trades 2 pears to Tom for 3 apples, how much fruit does each person have?

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Andrea K.
Answer:

1. Tom = 3 apples, 4 pears Jim = 6 apples, 2 pears 2. Jim gives Tom 2 pears Tom gives Jim 3 apples 3. Tom = 4 pears + 2 pears = 6 pears Jim = 6 apples + 3 apples = 9 apples 4. Tom has 6 pears and Jim has 9 apples.

Subject: Algebra

TutorMe
Question:

A fence needs to be built for a yard. One short side of the fence will be the house. If the yard is 12ft by 14ft, how much fencing is needed?

Inactive
Andrea K.
Answer:

1. Find the total perimeter of the yard without the house (12 x 2) + (14 x 2) = 24 + 28 = 52 2. Subtract the side for the house 52 - 12 = 40 3. 40ft of fencing will be needed.

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