Mathematics

Differential Equation .. Need problem 28 please

Here are the 2 problems: http://s4.postimage.org/40ecd8bwo/last2m… Please help me. Do not worry about the direction field just help me solve number 28 only. Include all the steps please because this

Can you help me with the vertex form, and the number of terms? (Algebra 2)

Rewrite the equation in vertex form. y = 3/5x^2 + 30x + 382 is it A: y = 3/5 (x +25)^2 + 7 B: y = (x + 30)^2 + 518 C: y = (3x/5 + 25)^2 + 7 D: y = 3/5 (c+5)^2 + 21/5 I picked A. Am I right? ______

Can you help me with the "factored form", and "synthetic division"? (Algebra 2)

Write 4x^3 + 8x^2 - 96x in factored form. A: 6x(x + 4)(x - 4) B: 4x(x - 4)(x + 6) C: 4x(x + 6)(x + 4) D: x^2 + 10x - 10 I picked B. Am I right? ______________________________________… Use synthe

Factoring a trig function

I need help factoring: 2cot^2 (x) + cot(x) - 3 ?? Even if you just help me start, that works too. :)-Let x=Cot(x) And plug in this substitution: 2x^2+x-3, and you should know how to factor this: (2x+

Can anyone help with hypothesis questions? multiple choice!

The mean area μ of the several thousand apartments in a new development by a certain builder is advertised to be 1250 square feet. A tenant group thinks this is inaccurate, and suspects that the avera

Percentage word problem help? One Problem broken into easy parts. Easy 10 Points.

I am not good at percentages except when they are obvious answers so I broke down the problem so its easier and the answer I know is the first problem and I put that answer in {} so you know thats the

Can you help with this please

A radio disc jockey asks listeners to call in and name their favorite radio station. A. population-radio listeners sample-listeners who call in possible bias-not all listeners have a favorite station

Express as a single logarithm

I dont understand this math problem can someone help? Lots of points to the best answer. (log(a,m) - log(a,n)) +3log(a,k) 3/4ln16-ln(4^2-3^2-2)-For the first one, I am going to assume that a is the

Can you help Find the mean of the data set.

Find the mean of the data set. 94, 90, 88, 66, 94, 81, 102, 108, 88 Find the median of the data set. 94, 90, 88, 66, 94, 81, 102, 108, 88-mean and median, and also mode, are the measurements of centr

CALCULUS: Derivative of a log function, very confused

Find dy/dx of yln(x) + y^2 = 4x Answer choices: 1. (4 - y) / (lnx + 2y) 2. (4 + y) / (lnx + 2y) 3. (4x - y) / (xlnx + 2xy) 4. (4x + y) / (xlnx - 2xy) 5. (4 + xy) / (xlnx - 2y) 6. (4x - y) / (

What is the derivative of sinx

cosx-lim{h→0} [sin(x + h) - sin(x)] / h lim{h→0} [sin(x)cos(h) + sin(h)cos(x) - sin(x)] / h lim{h→0} [sin(h)cos(x) + sin(x)cos(h) - sin(x)] / h lim{h→0} [sin(h)cos(x) + [cos(h) - 1]*sin(x)] / h li

Normal distribution problem??!?!

Suppose that the breaking strength of a rope (in pounds) is normally distributed, with a mean of 100 pounds and a standard deviation of 16. What is the probability that a certain rope will break when

Differential Equations Question

A girl lives 500m from school. She starts walking at 2m/s but by the time she has walked x metres, he speed has dropped to (2-(x/400))m/s how long does she take to get to school?-v (speed) = 2 - x/400

What tare some indeterminate forms

one divided by infinite any operatoion perfoming in=ncludedinfinitr=ev is clalled indeterminate form

Can you please check to see if I did my Algebra 2 homework correctly

Is the following function linear, or quadratic? Identify the linear, quadratic, and constant term. y=(x+1)(6x-6)-6x^2 is it A: linear function. linear term: -35x, constant term: 6 B: quadratic func