All Questions ⁺⁰236397 Questions

0

815

2

just know

E = ??????????????????????

Guest Aug 4, 2012

Aug 1, 2012

0

786

2

algebra

1.-2x+3>or =0 2.-2x>=-3 in step 3.2x<=to 3 what property allows the greater than sign turn to less than sign

Guest Aug 1, 2012

Jul 29, 2012

0

1188

2

math

Guest Jul 29, 2012

0

647

0

trigonometry

i need help with this 1. csc x+ctanx=senx/1-cosy
2. Sec^2(2a)-1/sec^2(2a)=sen^2(2a)

Guest Jul 29, 2012

Jul 28, 2012

0

973

3

MATH

Guest Jul 28, 2012

0

962

3

algebra

whats 18 1/2 x 3 1/3?

Guest Jul 28, 2012

0

857

1

algebra

Can you tell me how to solve 3s^2=8s

Guest Jul 28, 2012

Jul 27, 2012

0

874

1

problem

48/2*(9+3)=??
either
48 24 24
----------- = --------- = ----- = 2 ??
2*(9+3) (9+3) 12 or 48*(9+3) 24*12 ------------- = ------------ = 288 2 1

Guest Jul 27, 2012

0

1033

1

basic algebra

Guest Jul 27, 2012

Jul 26, 2012

0

901

1

trignometry

65SIN(30)+125COS(30)

Guest Jul 26, 2012

0

875

1

percentage

what is the formula to work out percentage

Guest Jul 26, 2012

Jul 25, 2012

0

1116

2

+4

Equation

How do I set up the equation and solve this problem? Thanks for any help
The seccond side of a triangle measures 5 in longer than the first side and the third side is twise as long as the seccond. The perimeter is 75 in. Find the third side.

nat1411 Jul 25, 2012

Jul 24, 2012

0

927

1

+28

Percents

A computer is originally priced $1400 and is reduced to $1327. Find the discount and the rate of the discount.

MathIsHard Jul 24, 2012

Jul 23, 2012

0

1023

1

exponential graph help

so i've got this equation the population is N=20000e^0.5*t where t is the number of years since the start of 1995.
how do you work out how many people there are at the start of 1995? it doesnt work if you let t=1 or 0..

Guest Jul 23, 2012

Jul 22, 2012

0

1051

1

Trigonometry

What would be the working out for a question like:
27.4 divided by cos36degree52degree
???

Guest Jul 22, 2012

Jul 20, 2012

0

856

3

Algebra

what are some examples of expressions that simplify to 7, 13, or 17

Guest Jul 20, 2012

Jul 19, 2012

0

1022

2

Arithmetic

Let x~~y be defined as x2y for all x and y.
What is the value of a~~b if a=2 and b=3/2 ?

Guest Jul 19, 2012

Jul 18, 2012

0

949

1

nth derivative

I have seen that (x^2+e^x)' gives d/dx (x^2+e^x). How can I compute the derivatives of order 2, 3, 4, ...? Thank you very much!

Guest Jul 18, 2012

0

929

1

Factor this please

Factor the following polynomial PLEASE 9x^2y-24x^2-12y+32

Guest Jul 18, 2012

Jul 16, 2012

0

1005

3

math

What button do you use to make a fraction ??

Guest Jul 16, 2012

0

899

2

mathththth

(x - 3)(6x - 2)

Guest Jul 16, 2012

Jul 15, 2012

0

1055

1

principle of financial management

i have some question about ratio but i dont know how to do it..

Guest Jul 15, 2012

0

780

1

maths syll d

The cost of renting a television is $310 for the first year and then $20 for each month after the first year.
Question :When will it become more expensive to rent the television than to buy it for $960[cost price].

Guest Jul 15, 2012

0

997

0

Algebra- log rearrangement

After t years the number of units, q, of a product sold per year is given by q=1000(1/2)^0.8t
Rewrite this equation to show that t= (5(3-log q))/(4 log 2)
Log= base 10

Guest Jul 15, 2012

Jul 13, 2012

0

732

1

Solve for x

Guest Jul 13, 2012

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