All Questions ⁺⁰236397 Questions

0

902

2

What's wrong with my quadratic equation?

What's wrong with this quadratic equation?
the original is 6x^2+7x-3=0
find x
x=(-7+((49-4*6*-3)exp(.5)))/(2*6)
or x=(7+((49-4*6*-3)exp(.5)))/(2*6) What has gone wrong here? I plugged it into this site's calc and I got an answer read more ..

Guest Aug 23, 2012

0

785

1

+4

math

what is the prime factorization of 550?

69cornmess Aug 23, 2012

0

1026

1

Algebra

You toss a coin and roll a number cube. Find P(tail and a six)

Guest Aug 23, 2012

Aug 22, 2012

0

704

2

8th grade pre algerbra

i have a question and i have tried everything !
rember this is 8th grade math...
question- rewrite 6+7x2-5 so that it equals 21.

Guest Aug 22, 2012

0

832

3

Equation

I have the following equation but cannot find how to get the coorect answer: n = 2 x π x NN (NN is 14.23304862 sec^-1). The result of this equation plugs into another equation. Thanks

Guest Aug 22, 2012

0

830

1

pre-algebra

y(4+6)-5 for y=1/2

Guest Aug 22, 2012

Aug 21, 2012

0

1027

3

Stumped

I got a question and answer but I can't figure out how to get the answer the question is reducing balance 1- fifth root of (10000 divided by 57000) and the answer is .294 but I can't figure out what I need to do to get this answer

Guest Aug 21, 2012

Aug 20, 2012

0

715

3

+4

Algebra

Could someone please work this problem for me? I'm not remembering how to work it?
11+3-the square root of 13squared-(11+1)square (-2)
sorry I dont know where the square root inputs are
thank you

ccooper1 Aug 20, 2012

0

736

1

math

the instructions on a carton of chemicals call for mixing 144 fluid ounces of water ,24 fluid ounces of chemical no.1 amd 56 fluid ounces of chemical no.2. how many quarts are contained in the final mixture

Guest Aug 20, 2012

0

748

2

Math

6r – 5t – 2r – 9(3t + 2r) – 2(4 – r)

Guest Aug 20, 2012

Aug 19, 2012

0

901

4

math

what is 1 and 5/16 divided by 2 and 7/8 ?!?!

Guest Aug 19, 2012

Aug 18, 2012

0

674

2

Algebra

Round to the nearest tenth.

Guest Aug 18, 2012

Aug 15, 2012

0

900

1

+4

Midpoint

If a line has endpoints A(3x+5x, 3y) and B(x-1, -y). What are the coordinates of the midpoint AB. Someone pleeeeeaaaassssssssse help me with this question

natasha Aug 15, 2012

Aug 14, 2012

0

718

4

MATH

WHAT IS THE UNIT DIGIT OF 1*2*3*4*5*...............*9

Guest Aug 14, 2012

0

872

1

+4

Math answer

What is 36 divided by 2/3?

marty mar Aug 14, 2012

Aug 13, 2012

0

773

1

algebra1 sem1 Math

PLEASE HELP ME....with this problem f(2)=(x^3+3)/(x^2-5)

Guest Aug 13, 2012

Aug 11, 2012

0

686

0

Inverse Fuction

Please, I need the inverse function of each function: f(x)=3^x - 1 and f(x)=Inx + 2

Guest Aug 11, 2012

Aug 10, 2012

0

749

1

parallel

Find the equation of the line that passes through (-5,2 ) and is parallel
to the line through (1,2) and (4,3).

Guest Aug 10, 2012

Aug 8, 2012

0

963

2

pre-calc

I am not good at factoring and i need some help.
1) 7x^2+1=29
2)x^2+3x-12=6
3)8x^2+7x-8=0
4)0=-x^2-x+12 5)2x^2-3x-15=5 6)3-4x^2=-85 thank you!

Guest Aug 8, 2012

Aug 7, 2012

0

916

2

+6

maths question

what are the last two digits of 7^2008?

Suresh kumar.c Aug 7, 2012

0

843

2

physics

convert 4.0mm to cm
how do I do it and what is the answer?

Guest Aug 7, 2012

Aug 6, 2012

0

792

3

calculate problem

wich is the correct answer 35.3 or 79.3 for 12+5(6-2)*(3+4)/6

Guest Aug 6, 2012

Aug 5, 2012

0

854

1

Finding the product

Find the product of 4/15 x 7 1/2

Guest Aug 5, 2012

0

773

2

probability

How many ways can a person select 4 books, 2 CD's, and 1 DVD, from 10 books, 20 CD's, and 5 DVD's?
I think the equation is nPr=n!/(n-r)! Not sure what to subsitute for variables.

Guest Aug 5, 2012

Aug 4, 2012

0

818

2

Geometry

A man 6 feet tall stands 12 feet away from a 16 foot tall lamp post. How long is the shadow of the man that is cast by the light of the lamp post?

Guest Aug 4, 2012

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