Homework Help

Math

If bx + cy = a,where a,b,c are of the same sign,be a line such that the area enclosed by the line and the axes...

Posted by user8235304 on June 20, 2013 at 7:32 AM via web. 1 educator answer.

Math

Determine the maximum value of `f(x)=sqrt(1+(xe^(-3x)))`  

Posted by user354582 on June 20, 2013 at 6:51 AM via web. 1 educator answer.

Math

Solve for t: `xe^(2t) + x =e^(2t) - 1`  

Posted by user354582 on June 20, 2013 at 6:40 AM via web. 1 educator answer.

Math

Verify:  `(e^(x)+e^(-x)/2)^(2) - (e^(x)-e^(-x)/2)^(2) = 2`  

Posted by user354582 on June 20, 2013 at 6:36 AM via web. 2 educator answers.

Math

What is maximum height on a wall a ladder that is 12 ft can reach if the foot of the ladder is 4 ft from the...

Posted by xetaalpha on June 20, 2013 at 5:22 AM via web. 1 educator answer.

Math

What is the equation of the line between the points (3, 1) and (4, 2)

Posted by xetaalpha2 on June 20, 2013 at 5:17 AM via web. 1 educator answer.

Math

What is the distance between (3, -2) and (-2, 3)

Posted by xetabeta on June 20, 2013 at 5:10 AM via web. 1 educator answer.

Math

What is the distance of the point (3,4) from the line 3x - 8y = 14

Posted by xataexa on June 20, 2013 at 5:03 AM via web. 1 educator answer.

Math

If the mid point of (x, 14) and (8, y) is (6, -3) what is x and y

Posted by xetatheta on June 20, 2013 at 4:59 AM via web. 1 educator answer.

Math

Prepare the class limits and class boundaries .  The lowest is 54 and largest value is 105.  The data will be...

Posted by yaga49 on June 20, 2013 at 3:19 AM via web. 1 educator answer.

Math

  Automatically calculate the two sample independent t test.  [Two site hints:...

Posted by lonestargirl56 on June 20, 2013 at 12:18 AM via web. Be the first to answer.

Math

`f(x) = x^2 `     f(x) - vertex (0,0), goes thru points (2,4), (-2,4)   g(x) - vertex (2, -6), goes thru...

Posted by kristenmariebieber on June 19, 2013 at 11:23 PM via web. 1 educator answer.

Math

If statement (3) follows from statements (1) and (2) by the Law of Detachment or Law of Syllogism then state...

Posted by novjb on June 19, 2013 at 11:14 PM via web. 1 educator answer.

Math

Use Implicit differentiation to find the equation of the tangent line to the curve at the given point....

Posted by roshan-rox on June 19, 2013 at 6:53 PM via web. 2 educator answers.

Math

This question is related to...

Posted by roshan-rox on June 19, 2013 at 6:31 PM via web. 1 educator answer.

Math

This is the other part of question...

Posted by roshan-rox on June 19, 2013 at 6:23 PM via web. 1 educator answer.

Math

What are values of a>0 if integral from 0 to a (3x^2+4x-5)dx=a^3-2?

Posted by arizm on June 19, 2013 at 6:14 PM via web. 1 educator answer.

Math

Given relationships x+y+z=6, xy+xz+yz=9, demonstrate 0<=x<=4, 0<=y<=4, 0<=z<=4?

Posted by elahusb on June 19, 2013 at 6:07 PM via web. Be the first to answer.

Math

How solve equation `1/sqrt(x) +1/sqrt y=1/sqrt(20)` for natural numbers x and y

Posted by user123454321876 on June 19, 2013 at 6:02 PM via web. 1 educator answer.

Math

graph the function; identify the domain and range; and compare the graph with the graph of y = 1/x        y...

Posted by loishy on June 19, 2013 at 4:33 PM via web. 1 educator answer.

Math

f(x)=3x^2+2x-2, How do I find f(5), f(6)?

Posted by user613829 on June 19, 2013 at 3:47 PM via web. 1 educator answer.

Math

proof by induction that n(n² + 5) can be divided by 6?

Posted by yahchisma on June 19, 2013 at 1:16 PM via web. 2 educator answers.

Math

If  `f(x)=x/(x+1)`       and       `g(x)=2/(x^2-1)` 1. (f+g)(x)=? 2. (f-g)(x)=? 3. (f*g)(x)=? 4....

Posted by user4163740 on June 19, 2013 at 10:35 AM via web. 2 educator answers.

Math

1/2(`e^(x)` +`e^(-x)` )+1/2(`e^(x)` -`e^(-x)` /1/2(`e^(x)` +`e^(-x)` )-1/2(`e^(x)` -`e^(-x)` ) =`e^(2x)`

Posted by sara212 on June 19, 2013 at 6:50 AM via web. 1 educator answer.

Math

find the area function A(x) for the functiony=2t+1 with a=0. please include graph with solution

Posted by user354582 on June 19, 2013 at 5:58 AM via web. 1 educator answer.

Math

find the area function A(x) for the function y=t with a=0. please include graph with solution.

Posted by user354582 on June 19, 2013 at 5:55 AM via web. 1 educator answer.

Math

Find the equations of the two straight lines drawn through the point (0,a) on which the perpendicular let fall...

Posted by user8235304 on June 19, 2013 at 5:51 AM via web. 1 educator answer.

Math

Rewrite the expression using properties of logarithms. `ln ((x^2root(3)(x-1))/(sqrt(x+1)^3))`    

Posted by user354582 on June 19, 2013 at 5:47 AM via web. 1 educator answer.

Math

Find the last digit of `7^121 -3^402`

Posted by bayleef999 on June 19, 2013 at 4:41 AM via web. 1 educator answer.

Math

Orthogonally diagonalize the 2 by 2 matrix. where a11= 1 a22= root2 b11=root2 and b22=0

Posted by chainrule on June 18, 2013 at 8:55 PM via web. Be the first to answer.

Math

A system of circles is drawn through to fixed points (-1,0) and (1,0).Tangents are drawn to these circles...

Posted by maahi17 on June 18, 2013 at 4:22 PM via web. Be the first to answer.

Math

solve algebraically (without the use of derivatives): `lim_(x->+oo)sqrt(4x^2+3x)-2x`

Posted by user7230927 on June 18, 2013 at 4:11 PM via web. 2 educator answers.

Math

What is x y in system sq root(x+y) + (x-y) cube root =6 6root((x+y)^3(x-y)^2)=8 (x+y)^3(x-y)^2 are unnder 6root

Posted by rouche on June 18, 2013 at 4:01 PM via web. 1 educator answer.

Math

express the function in the form fog  F(x)=2x+x^2)^4 

Posted by non00 on June 18, 2013 at 3:40 PM via web. 1 educator answer.

Math

Let `u_n` =1.n+2.(n-1)+..........+(n-1).2+n.1 for any positive integer n. Prove, by the Principle of...

Posted by roshan-rox on June 18, 2013 at 3:32 PM via web. 1 educator answer.

Math

How solve system ? 4x^2-3y=xy^3 x^2+x^3y^2=2y

Posted by home1h on June 18, 2013 at 2:22 PM via web. 1 educator answer.

Math

What are functions f with condition f(x+y)-f(x-y)=2f(y)+6x^2y ?

Posted by techmicha on June 18, 2013 at 2:17 PM via web. 1 educator answer.

Math

From the information below determine the standard deviation: 1754, 1633, 1502, 1476, 1846, and 1478

Posted by yaga49 on June 18, 2013 at 1:49 PM via web. 1 educator answer.

Math

From the information below determine the variance:- 1754, 1633,1502, 1476,1846 and 1478  

Posted by yaga49 on June 18, 2013 at 1:46 PM via web. 1 educator answer.

Math

Integral x-sqrt(arctg x)/1+x^2 dx?

Posted by xav1394 on June 18, 2013 at 12:54 PM via web. 1 educator answer.

Math

Find the equations to the straight lines which go through the origin and trisect the portion of the straight...

Posted by user8235304 on June 18, 2013 at 5:11 AM via web. 2 educator answers.

Math

Rewrite expression using properties of logarithms. `log(x^5/(y^3sqrtz))`

Posted by user354582 on June 18, 2013 at 4:49 AM via web. 1 educator answer.

Math

Rewrite expression using properties of logarithms. `log_(b)((x^(3)sqrt(y))/(z+1)^(4))`  

Posted by user354582 on June 18, 2013 at 4:46 AM via web. 1 educator answer.

Math

Rewrite expression using properties of logarithms. `ln(e^(5x)x^(3/2))`  

Posted by user354582 on June 18, 2013 at 4:36 AM via web. 1 educator answer.

Math

the square of the length of the tangent drawn from any point on x^2+y^2+4x-8y+1=0 to the circle...

Posted by maahi1704 on June 18, 2013 at 3:59 AM via web. 2 educator answers.

Math

Simplify `(p-q)/(p-r) *(q-r)/(q-p) *(r-p)/(r-q)` Please state your workings clearly.Thanks ` `   `` ` `

Posted by newstudent2 on June 18, 2013 at 1:31 AM via web. 1 educator answer.

Math

Simplify`(m^3*m^-4)^-2 +(2m)^(1/2) *m^(1/4) *m^(5/4)` ` ` ` `  Please state your workings clearly.Thanks

Posted by bayleef999 on June 18, 2013 at 1:28 AM via web. 1 educator answer.

Math

limit calculation with x __>`o o ` limit x ^(1/x^.5)

Posted by greenspo on June 17, 2013 at 5:12 PM via web. 1 educator answer.

Math

Solve `int e ^(3x )/(2+e^x )`  

Posted by lemong on June 17, 2013 at 4:25 PM via web. 1 educator answer.

Math

a. write and simplify the integral that gives the arc length of the curve on the given integral y=1/x (1,10)

Posted by user5369070 on June 17, 2013 at 3:37 PM via web. 1 educator answer.