Homework Help

Math

William, a logistician need to route a freight train that is 20 feet at its tallest point and 10 feet at its...

Posted by novjb on May 19, 2013 at 5:06 PM via web. 2 educator answers.

Math

(sin 70)^2-(sin 10)^2=(root 3)/2sin 80 prove 

Posted by taliaxe on May 19, 2013 at 4:29 PM via web. 1 educator answer.

Math

Show the equation f (x)-2x =0 have 1 solution <2 and >1. f  co ntinue  integral 1-2 f(x)dx =3

Posted by kikilex on May 19, 2013 at 4:11 PM via web. 1 educator answer.

Math

calculate limit n (n+1)S (1/(n+1)_1/n )arctg n x dx ?

Posted by mayamorosz on May 19, 2013 at 4:03 PM via web. 2 educator answers.

Math

Please can you help explain how to do a straight line graph

Posted by user7500010 on May 19, 2013 at 3:44 PM via web. 1 educator answer.

Math

How calculate limit F(cos x )-F(1)/x^2, x->0? f(x)=e^-x^2

Posted by uoor on May 19, 2013 at 1:39 PM via web. 1 educator answer.

Math

Nickel(II) sulfate is prepared by adding an excess of nickel(II) carbonate to 0.010 mol of dilute sulfuric...

Posted by roshan-rox on May 19, 2013 at 12:27 PM via web. 1 educator answer.

Math

Form a quadratic equation with roots equal to -4 and -1/3 expressing your answer in the form ax^2 + bx + c = 0...

Posted by seerboldly on May 19, 2013 at 9:34 AM via iOS. 1 educator answer.

Math

How to write a preface and bibliography(simple) for my maths project? 

Posted by rishikashetty on May 19, 2013 at 6:54 AM via web. 1 educator answer.

Math

N (number of shape) 1 2 3 4 5 .... 12 A (area of shape) a2 3/4* a2 6/9 *a2 10/16 *a2...

Posted by lilian-0716 on May 19, 2013 at 4:53 AM via web. 2 educator answers.

Math

Two harbours p and q are 70 km apart with q bearing 90 degrees from p. ship s bears 50. Degrees from p and 35...

Posted by seerboldly on May 19, 2013 at 1:37 AM via iOS. 1 educator answer.

Math

A pendulum 45cm long swings through a vertical angle of 30 degrees.Find the height through which the pendulum...

Posted by phanpal999 on May 19, 2013 at 1:07 AM via web. 2 educator answers.

Math

A wooden plank is leaning against a wall. The bottom of the plank is 3 feet from the wall. Answer each of the...

Posted by sheriff97 on May 18, 2013 at 9:13 PM via web. 4 educator answers.

Math

William, a logistician need to route a freight train that is 20 feet at its tallest point and 10 feet at its...

Posted by novjb on May 18, 2013 at 8:44 PM via web. 1 educator answer.

Math

I don't know how to calculate the wasted space. Here are the problems....

Posted by beablanca123 on May 18, 2013 at 7:54 PM via web. 1 educator answer.

Math

determine the quadrant in which (-32 degree) angle in standard position lies. a. quadrant I b. quadrant II c....

Posted by dgreen1989 on May 18, 2013 at 7:52 PM via web. 1 educator answer.

Math

Please answer the following questions: Simplify (t^2+3t-18)/(t^2+2t-15)* (t^2-3t-10)/(t^2+8t+12)...

Posted by monique06 on May 18, 2013 at 7:36 PM via web. 1 educator answer.

Math

Fine the constant of variation and the variation equation if y varies jointly as x and w, and inversely as the...

Posted by monique06 on May 18, 2013 at 7:08 PM via web. 1 educator answer.

Math

Sally can paint a room in 3 hours while it takes Steve 5 hours to paint the same room. How many hours will it...

Posted by monique06 on May 18, 2013 at 7:04 PM via web. 1 educator answer.

Math

Please help me solve the following math problems: `((t^2+3t-18)/(t^2+2t-15))((t^2-3t-10)/(t^2+8t+12))` (Only one...

Posted by monique06 on May 18, 2013 at 7:00 PM via web. 1 educator answer.

Math

What is the 29th term of the sequence : -121, -108,-95,-82

Posted by russell09 on May 18, 2013 at 5:29 PM via web. 1 educator answer.

Math

Given the graph with the points (1,5) (2,0) (3,-3) (4,-4) (5,-3) (6,0) (7,5) write the function for f(x) in...

Posted by novjb on May 18, 2013 at 4:58 PM via web. 1 educator answer.

Math

In 13,15, tell whether each conclusion follow from the given premises. If not, draw a counter-example. question...

Posted by user5074879 on May 18, 2013 at 4:23 PM via web. 3 educator answers.

Math

Round off 38 degrees and 48 minutes to the neatest tenth of a degree

Posted by seerboldly on May 18, 2013 at 1:50 PM via iOS. 2 educator answers.

Math

Given that x > 0, y > 0 and x^2 + y^3 > x^3 + y^4, prove that x^3+y^3<x^2+y^2<x+y<2

Posted by user8121921 on May 18, 2013 at 12:26 PM via web. 2 educator answers.

Math

2(3x - 5) +4(5x+1) - (x+2) expand and multiply

Posted by simmydim on May 18, 2013 at 9:11 AM via web. 2 educator answers.

Math

20 men can do a piece of work in 24 days.  After working for 6 days x number of men were ...

Posted by roshanbht on May 18, 2013 at 6:49 AM via web. 2 educator answers.

Math

Let f (x)= (3x+1) Calculate  A) 2f(0)+f(-2) B) f (0)f(-2)

Posted by user770979 on May 18, 2013 at 4:45 AM via web. 1 educator answer.

Math

What about:   `int_0^15 sqrt(x+2sqrt(x-1)) dx`  ?

Posted by oldnick on May 18, 2013 at 4:32 AM via web. 10 educator answers.

Math

What are rational expressions? Why must we always be mindful of the final value of the denominator in a...

Posted by smallsterea on May 18, 2013 at 2:28 AM via web. 5 educator answers.

Math

Complete the tables for the following group of functions 1,A) f(x)=x^2   X 0,  ±1,  ±2,  ±3   y B)...

Posted by getoo2 on May 17, 2013 at 10:26 PM via web. 1 educator answer.

Math

Simplify using long division. (72 - 8x^2 + 4x^3 - 36x) / (x - 3)

Posted by loishy on May 17, 2013 at 7:22 PM via web. 1 educator answer.

Math

how do you work,  clark family 6 kilometers per hour, rook family 14 kilometers per hour. rooks went 20...

Posted by bartman101 on May 17, 2013 at 6:50 PM via web. 1 educator answer.

Math

`cos ((24Pi-Pi)/12)*sin (Pi/12) = ?`

Posted by gillfourre on May 17, 2013 at 5:43 PM via web. 1 educator answer.

Math

What is x in  1+5+9+----+x=231?

Posted by locchange on May 17, 2013 at 5:27 PM via web. 1 educator answer.

Math

The difference between Grade 11 Functions and Applications, and Functions? I need to choose which one to take....

Posted by Dreamer528491 on May 17, 2013 at 5:25 PM via iOS. 1 educator answer.

Math

The point P(-1, 1/3) lies on the graph of the exponential function f(x) = bx, then b =

Posted by alejandrogalarce on May 17, 2013 at 5:15 PM via web. 1 educator answer.

Math

Calculate limit x -x^3/6-sin x with range of sine .

Posted by flowmet on May 17, 2013 at 2:35 PM via web. 1 educator answer.

Math

how demonstrate integral (1_2)e^x 1/x dx <e^4-e^2+1)/2? with  2x y <x^2+y^2

Posted by uoor on May 17, 2013 at 2:30 PM via web. 1 educator answer.

Math

How do I solve `(3p^2-3p-60)/(p^2-2p-8)-:(4p^2-12p-40)/(4p^2-24p+20)` ?

Posted by monique06 on May 17, 2013 at 1:54 PM via web. 1 educator answer.

Math

How  you  show with ca lculus metod inequality x^2/x +1<=-4 if x<-1?

Posted by econominty on May 17, 2013 at 1:54 PM via web. 1 educator answer.

Math

what shud i write in preface and bibliography of my maths project? please help me.its very important project.

Posted by rishikashetty on May 17, 2013 at 1:35 PM via web. 1 educator answer.

Math

How do I simplify: 3p^2-6p-45/p^2-p-20 divided by 2p^2+2p-24/2p^2-8p+6

Posted by monique06 on May 17, 2013 at 12:28 PM via web. 1 educator answer.

Math

What is the answer for question 7) ? http://postimg.org/image/xusvq33e3/  

Posted by lkballer24 on May 17, 2013 at 12:14 PM via web. 1 educator answer.

Math

What is the answer for question 6. b) ? http://postimg.org/image/xusvq33e3/  

Posted by lkballer24 on May 17, 2013 at 12:14 PM via web. 2 educator answers.

Math

What is the answer for question for 6. a) ? http://postimg.org/image/xusvq33e3/  

Posted by lkballer24 on May 17, 2013 at 12:13 PM via web. 1 educator answer.

Math

What is the answer for question 5) ? http://postimg.org/image/xusvq33e3/  

Posted by lkballer24 on May 17, 2013 at 12:12 PM via web. 1 educator answer.

Math

consider triangle ABC, where the picture is here http://oi44.tinypic.com/xyge8.jpg 1. let `Delta` ADF be the...

Posted by handsofgod on May 17, 2013 at 11:19 AM via web. 1 educator answer.

Math

im having trouble with this question express all radian measures in terms of pi express -5pi/6 radians in degrees?

Posted by onaisa on May 17, 2013 at 12:41 AM via web. 1 educator answer.

Math

What is the LCD and sum of `2/(x^2-18)+2/(x+6)?`

Posted by monique06 on May 16, 2013 at 11:44 PM via web. 1 educator answer.