2,575 Answered Questions for the topic Maths

Maths

10/29/19

In a class full of men and women, 3/5 of the class are women. What is the ratio of men to women in its simplest form?
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10/29/19

I have a precalculus problem
A baseball diamond is a square with sides of length 90 ft. Assume Edgar hits a home run and races around the bases (counterclockwise) at a speed of 18 ft/sec. Express the distance between Edgar and... more
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10/28/19

Trig Question, Help Needed Fast
find x where 0 ≤ x ≤ 2pi. cos x - tan^2 x=1. give your answers as a fraction ordered from least to greatest.
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10/27/19

I'm stuck on this precalc question
Give the multipart rule for g(x) for the following functions. g(x) = |f(x)|(a) f(x) = −0.5x − 1(b) f(x) = 2x − 5(c) f(x) = x + 3
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10/27/19

I still don't understand this precalculus question
I need some help on precalculusPizzeria Buonapetito makes a triangular-shaped pizza with base width of 30 inches and height 20 inches as shown. Alice wants only a portion of the pizza and does so... more
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10/26/19

Precalculus question
This problem deals with cars traveling between Bellevue and Spokane, which are 280 miles apart. Let t be the time in hours, measured from 12:00 noon; for example, t = −1 is 11:00 am.(a) Joan drives... more
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10/26/19

I need some help on precalculus
Pizzeria Buonapetito makes a triangular-shaped pizza with base width of 30 inches and height 20 inches as shown. Alice wants only a portion of the pizza and does so by making a vertical cut through... more
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Maths Algebra

10/25/19

Please can someone help???
Can anyone help with this question? The mass of a neutron is 1.6725x10^-24g, the mass of an electron is 9.109x10^-28g and the mass of a proton is 1.6748x10^-24g. An atom of carbon is made up of six... more
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10/25/19

Trig Class Question, Please Help If You Can
Find x where 0 ≤ x ≤ pi/2.5sqrt(3)/3 cos x= 1 + sqrt(3) cos x
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10/25/19

4 set Venn Diagram problem
Trying to solve this for a few days. Couldnt solve it. 1.       Kroner asked 600 adults whether they had studied French, Arabic, German or Chinese in school. The report showed that:215 had... more
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10/24/19

Please Help! Quadratic Work!
Solve for x where 0 ≤ x ≤ 2pi.cot^2 x + 2 cot x +1 = 0.
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10/24/19

This is a pre-calculus question
Dave leaves his office in Padelford Hall on his way to teach in Gould Hall. Below are several different scenarios. In each case, sketch a plausible (reasonable) graph of the function s = d(t) which... more
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10/23/19

Trig Question Help Really Needed
Solve for x where 0 < x < pi/2.4sqrt(3) csc x -4 - 3 csc^2 x = 0
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10/23/19

quadratic equation help in my trig class needed
solve for x where pi ≤ x ≤ 2pi.tan^2 x + 2sqrt(3) tan x + 3 = 0.
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10/23/19

Trig Question! Thank you in advance!

Solve for x where pi ≤ x ≤ 2pi.sin^2 x - cos^2 x / cos^2 x = 0
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10/23/19

Quadratic Equation! Please Help!
Solve for x where 0 ≤ x ≤ pi.sec^2 x + 3 sec + 2 = 0.(the answers should be given as fractions, from least to greatest)
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10/23/19

Please Help! (Quadratics)
The problem says to solve for x where 0 ≤ x ≤ 2pi.cot^2 x + 2 cot x + 1=0. It also says that the answers should be given as fractions?
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Maths

10/21/19

What three numbers round up to 80 with the nearest 10
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Maths

10/20/19

Solve the equation

Determine the number of solution for the system x+y=2 and2x+2y=8
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10/20/19

algebra maths - rearranging formulae

make x the subject of the formula y = ax+b cx+d
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10/18/19

What are the calculation steps to simplify using laws of exponents of 18a^2 b^3 / 6ab and 2w^4 * 3w and 3a^ -2b)^2 ?

I know the answer is 3ab^2 but I don't get how. Because I thought you are only supposed to add the exponents 2 and 3 and it would be 3ab^5.Additionally, the answer for the second question is 6w^5,... more
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10/16/19

Statistical Distribution Problem...
The length of time, in tens of minutes, that patients spend waiting at a doctor’s surgery is modelled by the continuous random variable T, with the following cumulative distribution function:F(t) =... more
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10/16/19

credit card APR
Assume that you have a balance of $4000 on your Discover credit card and that you make no more charges. Assume that Discover charges 27% APR and that each month you make only the minimum payment... more
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10/15/19

Please help math equations

Tabitha is renting a ballroom for an upcoming dinner reception. The rental fee for the ballroom includes a base price plus the cost of dinner per person. The table below shows the cost of the... more
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Maths Algebra 2

10/09/19

FOR WHAT VALUES OF K , WILL THE FOLLOWING SYESTEM OF EQUATIONS HAVE NO SOLUTION ? 3X+Y=1 AND (2K-1)X + (K-1)Y = 2K+1
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