447 Answered Questions for the topic ACT Math

Act Math Math Algebra 2

2d

#### 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 more
Act Math Math Algebra 1

10d

#### 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
Act Math Math Algebra 1

10d

#### Circular Trigonometry Question

Find tan 75° exactly using an angle addition or subtraction formula.Find the exact value of tan 75°
Act Math Math Algebra 1

10d

#### Circular Trigonometry Question

Find an exact value by using an appropriate addition or subtraction formula.Find the exact value for sin(-195)°
Act Math Math Algebra 1

10d

#### 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
Act Math Math Algebra 1

10d

#### 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°) / ... more
Act Math Math Algebra 1

10d

#### 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°
Act Math Math Algebra 1

10d

#### 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°
Act Math Math Algebra 1

10d

#### 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°
Act Math Math Algebra 1

10d

#### 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°
Act Math Math Sat Math

16d

#### 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.
Act Math Math Sat Math

16d

#### 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... more
Act Math Math Sat Math

16d

#### 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... more
Act Math Math Algebra 1

17d

#### 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 ... more
Act Math Math Algebra 1

17d

#### Trigonometry Question

If sin A = 0.2148, then what is sin (180 - A) ?
Act Math Math Algebra 1

17d

#### Trigonometry Question

If tan A = 3, what is tan (-A) = ?
Act Math Math Algebra 1

17d

#### Trigonometry Identities Question

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

18d

#### 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.﻿
Act Math

19d

#### Find standard form

(h,k)=(-5,3), (x,y)=(2,9)
Act Math Math Algebra 1

20d

#### 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
Act Math Math Calculus

24d

 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
Act Math Math Algebra 1

26d

#### Trigonometry Question

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

26d

#### 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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