2,563 Answered Questions for the topic Maths

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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10/07/19

PHYSICS - A foreign automobile manufacturer claims that its sports car will accelerate from rest to a speed

A foreign automobile manufacturer claims that its sports car will accelerate from rest to a speed of 45.5 m/s in 7.35 s.(a)Determine the magnitude of the average acceleration of the car (in... more
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Maths

10/03/19

3/24= /32= /8 fill in the gaps
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10/03/19

Average speed for 9km
How long would it take for someone to run 9km. If the the first step they take is 1.01meters (in 35 seconds) and the second step they take is 1.03 meters in 40 seconds.
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Maths Algebra 2

10/02/19

Find the equation of the line that fits the description passes through(3,-9) and has zero slope
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Maths Prealgebra

09/29/19

If i had 28 grammes of cake mix which had 91% purity how many grammes of sugar would i need to get the mix down to 75%
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Maths

09/29/19

Solve 23+2x=500. Find value of x
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