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Mathemania. Chapter 6 and 7. Review for Test 2. Review for Test 2. Triangles II. Angles. Graphs. Triangles I. Misc. 5. 5. 5. 5. 5. 10. 10. 10. 10. 10. 25. 25. 25. 25. 25. 50. 50. 50. 50. 50. 100. 100. 100. 100. 100. Final Round. Triangle I. 4. x. 3.

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Mathemania

Chapter 6 and 7

Review for Test 2

Review for Test 2

Triangles II

Angles

Graphs

Triangles I

Misc.

5

5

5

5

5

10

10

10

10

10

25

25

25

25

25

50

50

50

50

50

100

100

100

100

100

Final Round



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4

x

3

5 Point Question

In the right triangle below, what is cos(x)?

cos(x)=3/4

Check

Work

Go Home


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4

x

3

10 Point Question

Based on the triangle below, find cot(x).

Cot(x)=3/√5

Check

Work

Go Home


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25 Point Question

One side of a right triangle is 7.5 in. The other side is 10 in. Find the length of the hypotenuse and the size of the two angles.

12.5 in, 36.90, and 53.10

Check

Work

Go Home


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50 Point Question

In the right triangle (right angle at C,) Cos(A) = 2/5. Find an expression for Sin(A) and Tan(B).

Sin(A) = √21/5 and Tan(B)=2/√21

Check

Work

Go Home


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100 Point Question

How tall is a tree if the angle of elevation is 700 when you are standing 22 feet from its base.

60.44 ft.

Check

Work

Go Home



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5 Point Question

A = 250, c = 12, B = 750.

Find C.

C = 800

Check

Work

Go Home


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10 Point Question

A = 250, c = 12, B = 750.

Find a and b.

a = 5.15, b = 11.77

Check

Work

Go Home


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25 Point Question

A = 680, b = 11 ft, c = 15 ft. Find B, C and a.

a = 14.9 ft, B = 43.20, C = 68.80

Check

Work

Go Home


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50 Point Question

a = 6, b = 8, c = 12. Find A, B and C.

A = 26.40, B = 36.30, C = 117.20

Check

Work

Go Home


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100 Point Question

A = 470, b = 12, a = 9. Find B, C, and c.

Triangle 1: B = 77.20, C = 55.80, c = 10.2

Triangle 2: B = 102.80, C = 30.20, c = 6.2

Check

Work

Go Home



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5 Point Question

Convert 120 degrees to radians

2 Pi/3

Check

Work

Go Home


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10 Point Question

Convert 7 radians to degrees

1260/Pi

Check

Work

Go Home


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25 Point Question

How long is the crust on a piece of pizza if the slice is cut at a 300 angle and the radius is 6 in.

3.1415926… (PI!)

Check

Work

Go Home


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50 Point Question

A cable is wrapped around a drum with a 6 foot diameter. If we want to unroll 45 feet of cable, through what angle do we need to rotate the drum?

15 radians or 859.40

Check

Work

Go Home


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100 Point Question

Find another angle between 0 and 360 degrees that has the same cosine as cos(15o)

345o

Check

Work

Go Home



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5 Point Question

What is the period of y = sin (x)?

2 Pi

Check

Work

Go Home


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10 Point Question

What is the amplitude of y = 7 cos(2x)

7

Check

Work

Go Home


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25 Point Question

Sketch the graph of y = 3sin(4x - Pi)

Check

Work

Go Home


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50 Point Question

Sketch the graph of y = -2cos(4x) + 3

Check

Work

Go Home


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100 Point Question

Find the equation for a sine function:

Check

Work

Go Home

Y=3sin(Pi x-Pi/2)+4



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5 Point Question

What family member will we be celebrating on Sunday May 14th?

Our Mother

Because it is Mother’s Day

Check

Work

Go Home


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10 Point Question

What is the capitol of Washington State?

Olympia

Check

Work

Go Home


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25 Point Question

Who is the King of Pop?

Michael Jackson

Check

Work

Go Home


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50 Point Question

Who is the King of Rock and Roll?

Elvis!

Check

Work

Go Home


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100 Point Question

According to the Current, how much did I get paid last year?

$50,245

Check

Work

Go Home


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Final Question

State (in words) the Pythagorean Theorem

  • In any right triangle, the sum of the squares of the two sides is equal to the square of the hypotenuse

Check

Work

Go Home