447 Answered Questions for the topic ACT Math

#### In a certain fraction, the denominator is less than the numerator. If is added to both the numerator and denominator, the resulting fraction is equal to . Find the original fraction.

In a certain fraction, the denominator is 7 less than the numerator. If 3 is added to both the numerator and denominator, the resulting fraction is equal to 15/8. Find the original fraction pleaseee
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#### Circular Trigonometry Question

Find tan 75° exactly using an angle addition or subtraction formula.Find the exact value of tan 75°Which answer is itA: 3+√3 / 3-√3B: √3 + √2 / 8C: 2+√6 / 2-√6D: √3 - 1 / 8

#### Circular Trigonometry Question

Find tan 75° exactly using an angle addition or subtraction formula.Find the exact value of tan 75°

#### Circular Trigonometry Question

Find an exact value by using an appropriate addition or subtraction formula.Find the exact value for sin(-195)°

#### Circular Trigonometry Question

Find an exact value by using an appropriate addition or subtraction formula.Find the exact value for cos 15°Which answer is itA:√6 - √2 /4B: √6 + √2 /4C: -√2 - √6 /4D: √2 - √6 /4

#### Circular Trigonometry Question

Match the appropriate formula that would result in an exact value.cos 45° = Answersin 195° = AnswerFormulas: sin (180°+15°) / cos (45°+30°) / sin (225°-30°) / cos (10°+5°) / ...
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#### Circular Trigonometry Question

Simplify by using the appropriate addition or subtraction formula.tan 25° - tan 20°/1+tan 25° tan 20°Which answer is itA: no solutionB: tan 5°C: tan 45°

#### Circular Trigonometry Question

Simplify by using the appropriate addition or subtraction formula.cos 100° cos 40° + sin 100° sin 40°Which answer is itA: cos 60°B: sin 140°C: sin 60°D: cos 140°

#### Circular Trigonometry Question

Simplify by using the appropriate addition or subtraction formula.sin 68° cos 22° + cos 68° sin 22°Which answer is itA: sin 90°B: sin 46°C: cos 90°D: cos 46°

#### Circular Trigonometry Question

Simplify by using the appropriate addition or subtraction formula.sin 68° cos 22° + cos 68° sin 22°Which answer is itA: sin 90°B: sin 46°C: cos 90°D: cos 46°

#### An object moves in simple harmonic motion with period 6 minutes and amplitude 13 . At time t=0 minutes, its displacement d from rest is -13m , and initially it moves in a positive direction.

Give the equation modeling the displacement d as a function of time t.

#### Quadratic function and equation in one variable

A cuboid.Height = (2x-5) cmWidth = 4 cmLength = (x+3) cmGiven that the volume of the cuboid is 252 cm3. Find the total surface area, in cm2, of the cuboid.

#### Quadratic function and equation in one variable

Azri wants to fence his garden with wire fences. He bought 3 rolls of wire fences with a length of each roll of 45 m. Given the area of the garden is 675 m2. If the length of the garden is 30 m...
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#### Quadratic function and equation in one variable

A particle moves along a straight line through a fixed point O. The speed, v ms-1, is given by v =2t2 - 9t + 16, where t is the time in seconds after the particle leaves the fixed point O. Find the...
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#### Trigonometry Identities Question

Which theorem justifies each statement?Cos (68º) and Cos (22º) = AnswerSin (160º) and Sin (20º) = AnswerTan (187º) and Tan (7º) = AnswerTheorems : Complements / Supplements / Half-turn ...
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#### Trigonometry Identities Question

If sin A = 24/25, what are two other possible values of cos A

#### A cyclist rides his bike at a speed of 40 kilometers per hour. What is this speed in miles per hour? How many miles will the cyclist travel in 3 hours?.. assume that 1 mile is equal to 1.6 kilometers.

Can someone please help (do not round answer)

#### Math Calculas 1

The height of an equilateral triangle is decreasing at a rate of 0.5 centimeters per second. Find the rate of change of the area of the triangle when its height is 6 centimeters.

#### Measurement of a circle question

Suppose the blades of a wind turbine are 16' long. What is the distance traveled by a point on its tip as the blade rotates 3/5 of a revolution? (must use π key and round to the nearest tenth

#### please help me. Determine, with support, a rational please help me .function of the form f(x) = g(x)/h(x) that has the following features. Justify your thinking for full marks.

x − intercept: x =2/3 y − intercept: y = −4 point discontinuity (a hole) at (4, 4) a horizontal asymptote at y = 6 a vertical asymptote at x = −1

#### Trigonometry Question

In triangle RST, r = 10, s = 12, t = 14, and m/ T = 52º. Find m/ R.Round to the nearest tenth

#### Trigonometry Question

Find the area of triangle ABC where a = 35, b = 26, and m/ C = 95º 52".Round to the nearest tenth

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