2,563 Answered Questions for the topic Maths

Maths

01/08/20

. Find the equation of a line that has a slope of 3 and goes through the point (0, -5).
. Find the equation of a line that has a slope of 3 and goes through the point (0, -5).
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01/07/20

Prove inequality
1/3 < 1/13+1/15+1/17+...+1/61+1/63 < 4/3
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01/05/20

The Area of a triangle is 80 cm^2, Perimeter is 8 cm, so what is the length of the radius of the inscribed circle?
Choices:A)5 cmB)10cmC)20cmD)None of these
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01/04/20

Precalc question
An isosceles triangle has sides of length x, x and y. In addition, assume the triangle has perimeter 12.(a) Find the rule for a function that computes the area of the triangle as a function of x.... more
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Maths Algebra 1

01/04/20

4,1,-8,_,-20,29,-32,43
What is the missing number?
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12/29/19

Find the Amplitude Equation
A wave has the following equation:y=0.3(0.7+1.2cos(pi/2))What is it's Amplitude?Is it just 0.3 because that's what I thought?
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12/29/19

Function of a single angle! Please Help!
Express this as a function of a single angle:tan 55°-tan 17°/1+tan 55°tan 17°
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12/29/19

Express the following as a function of a single angle.
cos(60°)cos(-20°)-sin(60°)sin(-20°)I got sin40. Is that correct?
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12/28/19

Solve for X Problem
Solve for x where pi/2 ≤ x ≤ 3pi/2.-4 cos^2(x) + 4sqrt(2) sin(x) + 6=0.Enter your answer as a fraction.
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12/28/19

Find x where 0 ≤ x ≤ 2pi
4sqrt(2) tan x - sqrt(2)= 3sqrt(2) tan xEnter your answers as fractions from smallest to largest.
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12/28/19

Simplify this Cosine Problem
sin^2x-cos x (cos(-x)) sin^2x
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12/28/19

Solve this Problem
sin(-x)/cos(x)Solve this problem.
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Maths

12/28/19

Fractional Word problems
Lucas divides a pizza into 3 equal slices for him and his two friends. His friend eats 5/8 of his piece for lunch and a further 2/5 of what remained for dinner. What Fraction of the original... more
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12/28/19

Simplify this Sine Problem
cos(pi/2 - x)[sec(pi/2 - x)-cos(pi/2 - x)]
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12/27/19

Simplify the Problem
cos(pi/2 - x)[sec(pi/2 - x)-cos(pi/2 - x)]
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12/27/19

Sec Csc Problem
Which expression is not equal to the following: sec^2(x)csc^2(x)A. sec^2(x) + csc^2(x)B. cos^2(x) + sin^2(x)C. sec^2(x) + sec^2(x) cot^2(x)D. (1+ tan^2(x)) csc^2(x)
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12/27/19

Find the Horizontal Shift

y=-2cos(1/4x- pi/2)Find the horizontal shift of this problem.
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12/27/19

Graphing Question For Trig
Which of the following points is not on the graph of y= cot x?A. (5pi/6, -sqrt(3))B. (7pi/4, -1)C. (4pi/3, sqrt(3))
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12/26/19

Cosine Problem for Trig
if y= -cos x, what x-value corresponds to a y-value of 1 between 0 and 2 pi
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12/26/19

Please Help With This Trig Problem
5(cos 220° + i sin 220°)/2(cos 115° + i sin 115°)A. 5/2(cos 105° + i sin 105°)B. 2/5(cos 105° + i sin 105°)C. 5/2(cos 335° + i sin 335°)D. 10(cos 335° + i sin 335°)
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12/25/19

Trig Problem Please Help
A car travels in the direction of 135°. What is its compass heading?(In Degrees)When I did the problem, I got 315°. Is that correct?
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12/25/19

Word Problem Please Help
An airplane flies 200 km due west from city A to city B and then 300 km in the direction of 30.0∘ north of west from city B to city C. How far is city C from city A?
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12/23/19

Division theorem by induction.
Help! How can I prove the division theorme for positive integers using induction?
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12/20/19

geometry/trigonometry
1.    Provide reasons for the proof.Two parallel lines a and b cut by a transversal c is shown Statements Reasons 1,  a||b 1. Given 2. 2. 3. 3. 4. 1 ... more
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Maths

12/18/19

Symbol runs for laps around the track in six minutes how many minutes per lap is that
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