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2114

Calculas tangent

The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s = 3 sin(πt) + 4 cos(πt), where t is measured in seconds. (Round your answers to two decimal places.)

a) read more ..

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Guest Jul 9, 2017

962

+56

Find all pairs (r, s) such that 2s + r = 12 and rs = 3. Need answers as soon as possible with explination please... Thank you!!

Find all pairs (r, s) such that 2s + r = 12 and rs = 3. Need answers as soon as possible with explanation please... Thank you!!

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Trinityvamp286 Jul 9, 2017

1656

Binomial equation

According to a newspaper, 40% of bicycles stolen in a certain country are recovered. Find the probability that, in a sample of 6 randomly selected cases of bicycles stolen in the country, exactly 4 out of 6 bikes are recovered.

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Guest Jul 9, 2017

910

1/2 + 303/7 x 29/5 =

1/2 + 303/7 x 29/5 =

Plz help

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Guest Jul 9, 2017

1054

Music shuffle miracle

I was playing music on shuffle when 5 songs from the same album played in succession. The album is 11 songs long and my library consists of 320 songs. How would I put this in a human perspective, considering how big fat and ugly the number spat out would read more ..

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Guest Jul 9, 2017

1301

+56

suppose a is a real number for which a^2+1/a^2=14 ...

suppose a is a real number for which a^2+1/a^2=14 ...
what is the largest possible value of a^3+1/a^3 ?

Answer quickly please? Explanation as well.. Thankyou read more ..

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Trinityvamp286 Jul 9, 2017

834

+56

What are the real solutions to the equation below?

What are the real solutions to the equation below?
(2x^2-5)
----- ^ (x^2-3x) -1=0 (Note: ----- is a fracion read more ..

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Trinityvamp286 Jul 9, 2017

1062

+56

Find all pairs (r, s) such that 2s + r = 12 and rs = 3. need answer today if possible please

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Trinityvamp286 Jul 9, 2017

799

Economics

Microsurfacing is part of a pavement restoration and maintenance program that seals the surface of a street that has minor cracking to prevent water from penetrating into the base material. The annual cost of equipment (trucks, tanks, valves, etc.) is $109,000 read more ..

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Guest Jul 9, 2017

1029

Circle

2x^2 + 2y^2 + 12x - 2y - 3 = 0

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Guest Jul 9, 2017

2092

+11912

Law of reciprocal proportion

can someone pls pls explain to me this law ion the most simplest of words, with egs, pls dont copy and paste the online definitions, ive seen them all, i just need to understand it from someone whose understood it very nicely already , pls, with examples! read more ..

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rosala Jul 9, 2017

605

word problem

rebecca can type a manuscript in 6 hours. if jessa helps her they can type the whole manuscript in 4 hours. How long would it take jessa if she did all the typing alone?

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Guest Jul 9, 2017

758

Permutations...

permutations help please!

hectictar ●

Guest Jul 9, 2017

1105

Economics: Annuities and Perpetuities

A perpetuity-immediate pays $10 at the end of every 3-year interval, with the first imbursement at the end of year 6, and a present value (PV1) of $32. Find the present value (PV2) of a perpetuity-immediate paying $1 at the end of every 4 months, read more ..

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Guest Jul 9, 2017

853

Stuck on this

(2x+1)/3 + 7 = (3x-1)/4

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Guest Jul 9, 2017

Jul 8, 2017

924

How many hours would I swim in a year if.

I swim:
-10 months out of a year = 43 weeks out of a year
-2 hours on Monday, Thursday, and Friday
-4 hours on Wednesday read more ..

hectictar ●

Guest Jul 8, 2017

1588

+50

Let's play mini-Sudoku!

Let's play mini-Sudoku!

We wish to place an "X" in four cells, such that there is exactly one "X" in each row, column, and 2x2 outlined box.
For example: read more ..

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Jz1234 Jul 8, 2017

971

Teachers Retirement Fund

A Teachers Union is to pay their retired teachers a retirement income of $60,000 each for a period of 30 years. The retired teachers are to receive a 20% increase every 10 years over the previous 10 years. If the teachers union is able to get 5% annual read more ..

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Guest Jul 8, 2017

974

correlation coefficient r

I am using the formula to determine the correlation coefficient r, why am I getting an i in my answer

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Guest Jul 8, 2017

1407

Given that is a prime number, evaluate

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Guest Jul 8, 2017

+26

1369

+118723

Interesting questions and answers - Melody's collection

1) Write 25/27 as the sum of 3 fractions wach with a numerator of 1. (8/7/17)
An interesting answer by CPhill.
https://web2.0calc.com/questions/good_6 read more ..

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Melody Jul 8, 2017

835

Find the difference

Help! thanks a lot

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Guest Jul 8, 2017

876

Can someone help??!!

I keep getting this wrong!

hectictar ●●

Guest Jul 8, 2017

All Questions ⁺⁰237641 Questions

Calculas tangent

Find all pairs (r, s) such that 2s + r = 12 and rs = 3. Need answers as soon as possible with explination please... Thank you!!

Binomial equation

1/2 + 303/7 x 29/5 =

Music shuffle miracle

suppose a is a real number for which a^2+1/a^2=14 ...

What are the real solutions to the equation below?

Find all pairs (r, s) such that 2s + r = 12 and rs = 3. need answer today if possible please

Economics

Circle

Law of reciprocal proportion

word problem

Permutations...

Economics: Annuities and Perpetuities

Stuck on this

How many hours would I swim in a year if.

Let's play mini-Sudoku!

Teachers Retirement Fund

correlation coefficient r

Given that is a prime number, evaluate

Interesting questions and answers - Melody's collection

Find the difference

Can someone help??!!

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