Homework Help

Math

What is the equation of a parabola opening upwards that passes through the points (0,0), (3, 2) and (4, 6)

Posted by lxsptter on June 15, 2013 at 5:47 PM via web. 1 educator answer.

Math

Is a parabola uniquely defined by the three points (0, 5), (1,3) and (2, 1)

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

Math

What is the center and radius of the circle with this given equation x^2+y^2-8x+10y+32 = 0

Posted by monique06 on June 15, 2013 at 4:33 PM via web. 1 educator answer.

Math

What is the exact distance and the approximate distance between these points (-2.6, -1.3) and (-7.7, -4.3)?  

Posted by monique06 on June 15, 2013 at 4:22 PM via web. 1 educator answer.

Math

The equation of a circle centered at the origin is x^2 + y^2 = 1. The equation of a transformation 2 units to...

Posted by kristenmariebieber on June 15, 2013 at 3:21 PM via web. 1 educator answer.

Math

What is `lim_(x->3) sqrt(x^2 - 9)/(x-3)`  

Posted by tobydator on June 15, 2013 at 5:41 AM via web. 2 educator answers.

Math

Gloria's credit card charges an annual interest rate of 18.5% (0.05068% per day), compounded daily, on any...

Posted by suzannat on June 15, 2013 at 5:09 AM via web. 1 educator answer.

Math

Determine which functions are ODD (symmetry with origin): a.  f(x) = 2x^3 + x + 3 b.  f(x) = 2x^3 + X c....

Posted by kristenmariebieber on June 15, 2013 at 5:01 AM via web. 1 educator answer.

Math

Solve Alegebraically: `x^3-7x-6=0`

Posted by mashymash on June 15, 2013 at 2:55 AM via web. 3 educator answers.

Math

A boy would like to cut a cube out of a wooden sphere for his design and technology class.Given that the radius... (1 image)

Posted by phanpal999 on June 15, 2013 at 2:21 AM via web. 1 educator answer.

Math

For these functions, determine which ones are EVEN. (y axis symmetry)  a) f(x)=3x^4 + 4 b) f(x) = x^3 + 4 c)...

Posted by kristenmariebieber on June 14, 2013 at 11:41 PM via web. 1 educator answer.

Math

A lab designed a radio telescope with a diameter of 300 feet and a maximum depth of 38 feet. A graph depicts a...

Posted by monique06 on June 14, 2013 at 10:02 PM via web. 1 educator answer.

Math

Find the distance between the points (24,-14) and (12,-16). Give and exact answer and an approximation to three...

Posted by monique06 on June 14, 2013 at 9:51 PM via web. 1 educator answer.

Math

A doctor drives from her home, located 2 miles east and 20 miles north of town to her courthouse office, located...

Posted by monique06 on June 14, 2013 at 9:42 PM via web. 1 educator answer.

Math

`lim_(x->oo) (x^2)*(arctan(x+1)+arctan(x))`

Posted by melanthe on June 14, 2013 at 8:56 PM via web. 1 educator answer.

Math

What is the midpoint of the segment with the given endpoints of `sqrt(2),9 and sqrt(10),10`

Posted by monique06 on June 14, 2013 at 3:00 PM via web. 1 educator answer.

Math

A doctor drives from her home , located 3 miles east and 4 miles north of town to her office, located 3 miles...

Posted by monique06 on June 14, 2013 at 2:44 PM via web. 1 educator answer.

Math

I know that the three cube roots of one are 1, `[1+sqrt(3)i]/(2)` `and [1-sqrt(3)i]/(2)` but how can i show...

Posted by jolas on June 14, 2013 at 12:24 PM via web. 1 educator answer.

Math

If (x-2) and (x-1) are factors of polynomial `x^3+px^2+qx+1`  what is the sum of p and q.

Posted by roshan-rox on June 14, 2013 at 7:38 AM via web. 4 educator answers.

Math

If `sin(x+20) = cos(x-10)`  find the value of x. a)90 b)60 c)45 d)40 e)30

Posted by roshan-rox on June 14, 2013 at 3:09 AM via web. 1 educator answer.

Math

What is the first term  if  t2=-12 and t5 =9    ( arithmetic)

Posted by babylove12 on June 14, 2013 at 1:18 AM via web. 1 educator answer.

Math

What is an ellipse, what does it look like, and what is the formula for it?

Posted by monique06 on June 13, 2013 at 9:12 PM via web. 1 educator answer.

Math

Is this equation a circle why or why not? (x-h)^2+(y-k)^2+(z-j)^2 =r^2

Posted by monique06 on June 13, 2013 at 9:08 PM via web. 1 educator answer.

Math

Why is the shape of a circle called a conics?

Posted by monique06 on June 13, 2013 at 9:06 PM via web. 1 educator answer.

Math

It takes 9 hours for Isabella to rake leaves by herself, but her brother Matthew can work three times as fast.... (1 image)

Posted by loishy on June 13, 2013 at 8:09 PM via web. 1 educator answer.

Math

`lim_(x->1/3)sin(3x-1)/(3x^2+2x-1)`  

Posted by user7230927 on June 13, 2013 at 6:10 PM via web. 1 educator answer.

Math

How to solve this systems of equations? x^2-yz=1` ` y^2-xz=2 z^2-xy=4

Posted by nora001 on June 13, 2013 at 6:01 PM via web. Be the first to answer.

Math

Respected Sir/Madam, Pls. help me out with Q.5 in the attached image. (1 image)

Posted by user8235304 on June 13, 2013 at 5:41 PM via web. 1 educator answer.

Math

`lim_(x->oo)cos^-1((-3x)/(4+6x))`  

Posted by user7230927 on June 13, 2013 at 4:31 PM via web. 1 educator answer.

Math

use the intermediate value theorem to find all cin the interval [-5,5] such that `log5(x^2+16)=2` (log base...

Posted by user7230927 on June 13, 2013 at 3:56 PM via web. 1 educator answer.

Math

6.1/2-2.3/4

Posted by user1571298 on June 13, 2013 at 3:31 PM via web. 1 educator answer.

Math

Prove whether the given satifies the four group axioms. If not determine whether it is a semigroup or monoid. 1....

Posted by ericmilamattim on June 13, 2013 at 11:41 AM via web. 2 educator answers.

Math

SImplify `(n+1)^2-n^2` Hence form a Pythagorean Triple in which the first integer is 101

Posted by inquire123 on June 13, 2013 at 3:18 AM via web. 1 educator answer.

Math

Form a Pythagorean triple in which the first integer is 11. Please show your workings clearly.Thanks

Posted by phanpal999 on June 13, 2013 at 3:16 AM via web. 1 educator answer.

Math

The height h (in feet) of an object thrown vertically upward (after t seconds) is given by the function h =...

Posted by kristenmariebieber on June 13, 2013 at 2:23 AM via web. 1 educator answer.

Math

How do I solve for x using quadratic formula x^2+x-18=0

Posted by smallsterea on June 12, 2013 at 11:00 PM via web. 1 educator answer.

Math

`f(x)=xsqrt(3-x)`   domain, end behavior, y-intercept, x-intercepts, graph it

Posted by user354582 on June 12, 2013 at 10:26 PM via web. 1 educator answer.

Math

Kevin, can clean a stadium in 5 hours working alone. Chris, can clean the same stadium in 3 hours. How long...

Posted by robertsonm on June 12, 2013 at 9:27 PM via web. 1 educator answer.

Math

Provide a null hypothesis and an alternative hypothesis for a research experiment that utilizes the one-tailed...

Posted by schoeppel on June 12, 2013 at 6:15 PM via web. 1 educator answer.

Math

Given `f(x) = 1-|4-x^2|` show the y-intercept, natural domain and range. 

Posted by spikey-shot on June 12, 2013 at 4:39 PM via web. 3 educator answers.

Math

Respected Sir/Madam, Please help me with Q.2 in the attached image. (1 image)

Posted by user8235304 on June 12, 2013 at 4:12 PM via web. 1 educator answer.

Math

Simplify the expression `(6sqrt6)/(-4sqrt30)`  Give the exact value in simplified form. Rationalize any...

Posted by schooledmom on June 12, 2013 at 12:59 PM via web. 2 educator answers.

Math

Simplify the expression `(4sqrt3)/(2sqrt8)`  Give the exact value in simplified form. Rationalize any...

Posted by schooledmom on June 12, 2013 at 12:58 PM via web. 2 educator answers.

Math

Simplify the expression. Give the exact value in simplified form. Rationalize any denominator. 4 times the...

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

Math

Radicals. Simplify the expression. Give the exact value in simplified form. Rationalize any demoninators. the...

Posted by schooledmom on June 12, 2013 at 12:52 PM via web. 4 educator answers.

Math

A sheet of paper with area 25 cm^2 is used to make a cone that is open in the bottom. What is the maximum volume...

Posted by xetaalpha on June 12, 2013 at 4:32 AM via web. 3 educator answers.

Math

A pyramid with a square base of 2500 m^2 has to be built with a volume 165000 m^3. What should be the height of...

Posted by xetatheta on June 12, 2013 at 4:26 AM via web. 1 educator answer.

Math

Rewrite the quadratic equation y = 2x^2 + 10x + 9 into Standard Form to determine the Vertex.  Enter answers in...

Posted by kristenmariebieber on June 12, 2013 at 2:52 AM via web. 4 educator answers.

Math

A lady buys goods worth rs.200from a shop. (shopkeeper selling the goodswith zeroprofit). The lady gives him...

Posted by cutelily on June 11, 2013 at 10:13 PM via web. 1 educator answer.

Math

Use scientific notation and round to the nearest tenth. `(900!)/(870!)` I am having problems calculating this....

Posted by novjb on June 11, 2013 at 6:42 PM via web. 1 educator answer.