Math Homework Help

Solve `3costhetasin^2theta - costheta = 0` for the interval `0<=theta<=Pi` ` ` ` `

Posted by mashymash May 16, 2013 at 9:40 PM via web. 2 educator answers. »

Simplify: (a1/2)1/2(ab1/2)

Posted by tdt3 May 16, 2013 at 8:38 PM via web. 1 educator answer. »

Graph the linear system. Begin by completing the table below.  4x-y=5           4x+4y=-4 x       y               x      ...

Posted by getoo2 May 16, 2013 at 8:29 PM via web. 1 educator answer. »

in order to decide who will play first in a certai board game, each player rolls a four sided die that player with the highest score begins

Posted by gunn10 May 16, 2013 at 7:36 PM via web. Be the first to answer. »

Addition and (state operation).....are inverse operationsBecause they are operations,  (state operation)....is used to check addition and...

Posted by neekneek1 May 16, 2013 at 6:16 PM via web. 1 educator answer. »

Rectangle QRST, side QR is parallel to x-axis and on y>0 of the quadratic funtion . And the side ST on the y<0 of the quadratic function...

Posted by kibau May 16, 2013 at 5:50 PM via web. Be the first to answer. »

Show 3^root 5<=5^root 3 for f =ln x /root x 

Posted by tohhanne May 16, 2013 at 5:09 PM via web. 1 educator answer. »

Solve this equation using the quadratic formula:  (2x-3)^2 - 14 = 2x(x-7)

Posted by kristenmariebieber May 16, 2013 at 5:03 PM via web. 1 educator answer. »

Tom is buying a 42 inch plasma high definition 1080p television, which is on sale for 40% off. If the aspect ratio for this widescreen is 16:9...

Posted by loishy May 16, 2013 at 4:42 PM via web. 1 educator answer. »

Calculate:  logarithm base(2x+1) of(3-2x)<1

Posted by stef2012 May 16, 2013 at 2:59 PM via web. 1 educator answer. »

calculate: sinx+sin2x+sin3x=1+cosx+cos2x ∈(pi/2;5pi/6)

Posted by alexa0048 May 16, 2013 at 2:57 PM via web. 1 educator answer. »

What is product `sin 7^o cos 14^o cos 28^o cos 56^o`  ?

Posted by bufves May 16, 2013 at 2:46 PM via web. 1 educator answer. »

What  is  function  f :N ->R  with f(1)=1,f(n+1)=1/n(n+f(n))?

Posted by varka May 16, 2013 at 2:38 PM via web. 1 educator answer. »

1. Use double-angle identities to write the following expression, using trigonometric functions of x instead of 4x. cos (4x) = ?  2. Use...

Posted by samanthahuber May 16, 2013 at 12:18 PM via web. 1 educator answer. »

What is y=6x + 28?

Posted by wikedgirl May 16, 2013 at 12:09 PM via web. 1 educator answer. »

x+y+z = 3 x^2+y^2+z^2= 9 xyz= -2 solve for   x^4+y^4+z^4=?

Posted by kibauu May 16, 2013 at 11:10 AM via web. 1 educator answer. »

Coin thrown 100 times. Find the probability that "coat" does not fall by more than 50 cases. Use the limit of the integral theorem of Laplace.

Posted by user5501138 May 16, 2013 at 8:30 AM via web. 1 educator answer. »

A plank (AC) is leaning against a wall. The bottom of the plank(A) is 3 ft. from the wall- (AB = 3ft). Find AC and BC. There is a right...

Posted by sheriff97 May 16, 2013 at 6:50 AM via web. 1 educator answer. »

Choose the best answer: Does this equation converge or diverge? `sum_(n=2)^oo` `(lnn)/(n^2)` = A) Converges by comparison with `lnn` <...

Posted by Rocky52 May 16, 2013 at 6:32 AM via web. 1 educator answer. »

Choose the best answer: Does this equation converge or diverge? `sum_(n=0)^oo` `(n^2)/(3n^2+1)` = A) Diverges by Alternating Series Test B)...

Posted by Rocky52 May 16, 2013 at 6:18 AM via web. 1 educator answer. »

Choose the best answer for the given limit: `lim_(x->oo)` `(sqrt(x) -1)/(sqrt(3)x-1)` = A) -1 B) 0 C) `(2)/(3)` D) `(3)/(2)`

Posted by Rocky52 May 16, 2013 at 6:12 AM via web. 1 educator answer. »

Solve this equation using the quadratic formula: 2x(x-4) - 3(x+5) = x(1-x) - 16

Posted by kristenmariebieber May 16, 2013 at 5:22 AM via web. 1 educator answer. »

Solve 2tanx+secx=1

Posted by vegeta9000 May 16, 2013 at 5:17 AM via web. 1 educator answer. »

How do I find this limit?  `lim_(t->0)[(1/t)-(1/(tsqrt(1+t)))]` ``    

Posted by lollikitty May 16, 2013 at 2:30 AM via web. 2 educator answers. »

`sinx/sqrt 2 = cos^2x`

Posted by schlule May 16, 2013 at 12:13 AM via web. 2 educator answers. »

p(X<6)

Posted by tullahbell May 15, 2013 at 10:33 PM via web. 1 educator answer. »

Solve in the given interval of `-Pi <= x<= Pi` : `cos^2 2x + 2cos2x +1 = 0`

Posted by sasuke24 May 15, 2013 at 10:11 PM via web. 1 educator answer. »

What are the roots of -x^2 + 4x = -5? Also how do you find the roots of -x^2 + 4x = -5?

Posted by rosey-girl May 15, 2013 at 9:46 PM via web. 1 educator answer. »

Simplify this equation: `-5(1+2i)(4+sqrt(-1))`

Posted by rosey-girl May 15, 2013 at 9:44 PM via web. 1 educator answer. »

Simplify this equation: (y-3)^2 / y^2-6y+9  /  y^2-9 / y^3-9y

Posted by rosey-girl May 15, 2013 at 9:38 PM via web. 1 educator answer. »

Simplify this equation: 25-a^2 / 3a^2-13a-10

Posted by rosey-girl May 15, 2013 at 9:36 PM via web. 1 educator answer. »

The length of a rectangle is represented as l(x)= 4x-1. The width of the rectangle is represented as w(x)= 2x+3. What is the area, A(x), of...

Posted by rosey-girl May 15, 2013 at 9:27 PM via web. 1 educator answer. »

Which one of these is not an isometry? A. a translation B. a 30 degrees rotation about the orgin followed by a flection in the x-axis C. a...

Posted by t4trendesetter May 15, 2013 at 8:57 PM via web. 2 educator answers. »

How do i solve this question? If Jay (PQ) is 3' 9" (or 45" inches) tall, how tall is his dad (P'Q')...

Posted by tjjavid May 15, 2013 at 8:54 PM via web. 1 educator answer. »

A fur dealer find that when coats sell for $3200, monthly sales are 70 coats, when the price increases to $3500 the demand is for 20 coats....

Posted by rmunoz90 May 15, 2013 at 7:23 PM via web. 1 educator answer. »

A fur dealer find that when coats sell for $3200, monthly sales are 70 coats, when the price increases to $3500 the demand is for 20 coats....

Posted by rmunoz90 May 15, 2013 at 7:20 PM via web. 1 educator answer. »

find a linearization function and approximate a.(100.06)^1/3 and b.(999.93)^1/3 the linearization function is T(x)= a. the approximation of...

Posted by rmunoz90 May 15, 2013 at 7:15 PM via web. 1 educator answer. »

Show function g(x)=(f(x))^(1/3) is derivable, f(x)=x-sin x? what are problems whith g'(x) in 0?

Posted by singup May 15, 2013 at 5:49 PM via web. 1 educator answer. »

How determine the range of function y=x/(x^4+3) in calculus?

Posted by greenspo May 15, 2013 at 5:22 PM via web. 1 educator answer. »

Given triangle ABC and points P,M, so MN parallel with AC, show NC/AC+PB/AB=1?

Posted by pillbill May 15, 2013 at 5:02 PM via web. 1 educator answer. »

what are the answers to the hershey park physics packet for the sidewinder, the wild mouse, and the wildcat?  

Posted by kaylafoose May 15, 2013 at 3:58 PM via web. Be the first to answer. »

Describe and correct the error, given the functions f(x)=3x-5.  So is this correct f(5)=3(5)-5 5f=15-5  5f=10 f=2  

Posted by lflint29 May 15, 2013 at 3:32 PM via web. 1 educator answer. »

27-2/3 27-1/3

Posted by tdt3 May 15, 2013 at 3:32 PM via web. 1 educator answer. »

What is a polynomial problem and how can I multiply and simplify it?

Posted by monique06 May 15, 2013 at 2:55 PM via web. 1 educator answer. »

Please help me to solve this problem. Why is is diifficult to understand and what can a student learn from this problem? k=kmv^2 Given that...

Posted by monique06 May 15, 2013 at 2:49 PM via web. 1 educator answer. »

A one-day ticket to Sea World cost $37, but a two-day pass costs $42.  What is the average cost per day fo a one-day pass?

Posted by yaga49 May 15, 2013 at 1:57 PM via web. 2 educator answers. »

Let f(x)=3x+1. Find each value. 1. (f^-1 `@` f)(5) 2. (f^-1 `@` f)(6)

Posted by hannahstakes May 15, 2013 at 6:05 AM via web. 1 educator answer. »

Choose the best answer: For which value of x does the power-series converge? `sum_(n=0)^oo` `(x+3)^n/((n+1)4^n)` A) [-7,1] B) [-7,1) C)...

Posted by Rocky52 May 15, 2013 at 5:44 AM via web. 1 educator answer. »

Choose the best answer: For which values of x does the power-series converge? (Hint: apply ratio test): `sum_(n=0)^oo` `(x-1)^n/(n!)` A)...

Posted by Rocky52 May 15, 2013 at 5:40 AM via web. 1 educator answer. »

Choose the best answer: Apply Limit Comparison Test with `(1)/(3^n)` to determine convergence: `sum_(n=0)^oo` `(1)/(3^n-n)` A) Diverges since...

Posted by Rocky52 May 15, 2013 at 5:36 AM via web. 1 educator answer. »