2,579 Answered Questions for the topic Maths

01/27/20

an equation that could be used to determine the time, t, in seconds, for the ball to reach the ground. Assume ground level is at a height of 0 ft. 
The height, h, of an object that is thrown upwards into the air can be represented as h = 0.5 at 2 + v 0 t + h 0, where a represents the acceleration due to gravity (– 32ft s 2 ), v 0 represents... more
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01/26/20

What are the values of a, b, and c for the equation 5x- 3y= -30

I understand that a and b cannot be negative, but in the problem given they are. Could someone help explain how to find the values with them being positive. 5x-3y=-30
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01/22/20

Precalc question
A street light is 10 feet above a straight bike path. Olav is bicycling down the path at a rate of 15 MPH. At midnight, Olav is 33 feet from the point on the bike path directly below the street... more
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Maths English

01/19/20

Serah gets three times as much pocket money as Raj got two years ago. Raj pocket money goes up by €1 a year. He now gets €3 a week. How much did Raj get two years ago?
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Maths

01/13/20

a meal costs £125 between six people. how much do they each have to pay?
maths word equation
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01/10/20

Averaging percentages

How do you find the average for 3 percentages?
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01/09/20

Rank in order (Highest to Lowest) change in operating expenses from year 1 to year 2
Question: Rank in order from highest (1) to lowest (5) in terms of the change in operating expensesKey: m = millionoperating expenses:A - year1=12.8m & year2=9.9mB - year1=25.1m &... more
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01/09/20

Rank in order (Highest to Lowest) change in operating expenses from year 1 to year 2
Question: Rank in order from highest (1) to lowest (5) in terms of the change in operating expensesKey: m = millionoperating expenses:A - year1=12.8m & year2=9.9mB - year1=25.1m &... more
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01/09/20

Change in operating expenses from year 1 to year 2
Question: Rank in order from highest (1) to lowest (5) in terms of the change in operating expensesKey: m = millionoperating expenses:A - year1=12.8m & year2=9.9mB - year1=25.1m &... more
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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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