All Questions ⁺⁰238216 Questions

0

545

1

+4

Derivative

1/(x^2-x)-1/(x-1)=(x+6)/x

drock1941 Sep 27, 2015

0

1566

1

if f(x)=x 2 -3 and f(a)=46, what is the value of a?

if f(x)=x2-3 and f(a)=46, what is the value of a?

Guest Sep 27, 2015

Sep 26, 2015

0

1588

1

help

Assuming that each grain of wheat weighs 1/7000 pound, what will be the total weight (in pounds) of the grains on the entire chessboard when 30 squares are filled? (There are 536870912 grains in 30 squares)

Guest Sep 26, 2015

0

591

1

showig an answer

how would you show 7x-3x=24 x=6. how show how got?

Guest Sep 26, 2015

0

762

2

(the number of ways to have x successes out of n trials)

how to calculate nCx

Guest Sep 26, 2015

0

536

1

Trig Help

How do you do trig problems when only given one side length of the triangle and one angle degree?

Guest Sep 26, 2015

0

634

1

Rounding to the hundreth place

distance between (2sqrt(6), sqrt(5)) and (-sqrt(6), sqrt(5))

Guest Sep 26, 2015

0

489

0

Maths people, I need help to correct me ! I beg you :(

I try to do it, but I am so bad in Maths =(

The thing that bother me here, its the billing on the 8/8 and not on the 31 of the month //
read more ..

Guest Sep 26, 2015

0

664

1

Spring problem needs explanation

I dont understand this spring problem can you guys explain me how they got the value 250 and 450. Thanks here is the link to the problem.
Link: http://imgur.com/o1EJp5P

Guest Sep 26, 2015

0

890

3

Pythagoras' Theorem Question

An envelope measures 6 cm by 8 cm.
The flap meets the envelope at the point M.
The point M is in the exact centre of the envelope.
A glue strip runs from D to M and M to C. read more ..

CPhill ●●●

Guest Sep 26, 2015

0

647

1

(-5) -1

(-5)-1
rewrite without an exponent

Guest Sep 26, 2015

0

578

1

(a+5)(a-5)

Guest Sep 26, 2015

0

899

2

520 - 20%

whats twenty percent of 520

Guest Sep 26, 2015

0

582

1

title

Guest Sep 26, 2015

0

519

1

question

what is the derivative of inverse sin? thank you

Guest Sep 26, 2015

0

2030

1

How many buckets are needed?

nadie wants to fill her rectangular fish tank with water. the fish tank measures 2 ft wide,1 ft long, and 1.5 ft high. the water level in her fish tank need to be .25 ft. she uses a bucket that holds 1.25 cubic ft of water. how many buckets does nadie need. read more ..

Guest Sep 26, 2015

+2

1502

2

+413

Three real numbers x, y, z are such that x2 + 6y = -􀀀17, y2 + 4z = 1 and z2 + 2x = 2. What is the value of x2 + y2 + z2? solve this if you can x2

Three real numbers x, y, z are such that x2 + 6y = -􀀀17, y2 + 4z = 1 and z2 + 2x = 2. What
is the value of x2 + y2 + z2?
solve this if you can
x2 =x^2 same for others

geno3141 ●●

kes1968 Sep 26, 2015

0

505

1

what is x?

what is x?
25-3x=36

Guest Sep 26, 2015

0

588

2

what is x?

what is x?
25-3x=36

Guest Sep 26, 2015

0

834

3

dependence problem

Write a formula showing the dependence of the mass of a cork on its volume, if the density of the cork is 0.18g/cm^3. Using the formula, find:

a) the mass of a cork with a volume of 240 cm^3
read more ..

Guest Sep 26, 2015

0

735

2

+1832

How can I solve this problem?

How can I solve this problem?

xvxvxv Sep 26, 2015

0

497

1

how do even comprehend this number

what is 20^5000

Guest Sep 26, 2015

0

607

1

Solve for x

2500-400x+12x^3=0

Guest Sep 26, 2015

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