Mathematics

Differential equation question

I have a differential equation homework question that I need help with: (a) Find the value of A so that the equation y - xy - 4x = 0 has a solution of the form y(x) = A + Be^((x^2)/2) for any const

Solving for x in trigonometry equations

I need to find the values for x in the trigonometric equation(correct to one decimal digit) 2sin2x - 2sinx + 3cosx =6cos(^2)x If possible please can you show all of the steps thank you in advance-2.2s

Expressing complex numbers in the form Re^(iθ)

How do you express this: 5*sqrt(3)+5i in the form R*e^(iθ)? I need to solve for R and θ, but I dont know what to do. If anyone could help, Id really appreciate it!!-For the complex number a + bi, R

1 decimeter = how many kilometers

and please which one is bigger a decimeter or a kilometer i searched the whole internet nothing-One kilometer is about the entire length of a football field with the end zones included. A Decimeter is

Tiles and Multiplication of Binomials Help

1) Length of a side of a square is 3x-5. Express the area of the square terms in x. 2)Find the area of a rectangle with length x+4 and width x-2. 3)The length of a side of a square is 2x-7. Express th

Algebra please help!!!!

i dont get c+5=6 c+5-5=6-5 c divided by .8=6.28 why would you multiply 6.28 by .8 if your dividing .8 by .8-I’ll help the best I can but the way it is worded is confusing. c+5=6 seems to be the first

Please help me with this algebra 2 word problem!

I have tried and tried to solve this problem, word problems just arent my thing. Please help me! In a 16 km cross-country ski race, Bob skied the first 7 km at a constant speed and then increased his

Find the area of that portion of the cylinder x^2+y^2=9 lying above the xy-plane and below the plane z=3y.

integrate from z=0 to 3y and from y = -sqrt(9-x^2) ti + sqrt(9+x^2) and from x=-3..3 or transform them into parametric equations r(t) = 3 z = 3*sqrt(3sin(t))

PLEASE HELP WITH ALGEBRA QUESTION!

which represents a function A. xy -13 0-1 10 2-3 35 B. xy -13 -1-5 27 3-1 43 C xy -15 04 12 2-2 2-4 D. NONE OF THE ABOVE-A. You want to make sure that theres a different y for each x. For

What Is Negative four times a number plus six is no more than the number plus thirteen

I Know Its A Long Math Question: But I Am Having Trouble With Figuring this out. I Need Someone that can figure this out! Short Answers Or Long Answers Will Do Fine.--4n + 6 ≤ n + 13 -5n ≤ 7 n ≥ -7/5-

CAN SOMEONE SOLVE THIS MATH PROBLEM?!!!

(4-2i)(5+3i)-20-10i+12i-6i^2 20 +2i -6(-1) 26+2i-(4-2i)(5+3i) First you have to distribute 4*54*3i -2i*5-2i*3i 20+12i+-10i+-6i^2 reduce 20+2i+6i^2 You have to list it in order of the xs/list them sta

What Is Eight times a number is greater than or equal to 64

Math Problem. Needs To Be Solved. Thanks: Long Or Short Answers will do fine!!!-the number is 8.-The answer is 8 or greater. To solve this problem, just convert the problem in an equation. You write 8

Ms. Rodríguez plans to order from 20 to 26 books for her class. The prices of the books...

Ms. Rodríguez plans to order from 20 to 26 books for her class. The prices of the books she plans to order range from $4.95 to $12.95 each. If the publisher charges a shipping fee of $0.50 per book or

Evaluate the Indefinite Integral

∫(7+tan(x))^12 sec^2(x) dx-you need to use U substitution say that U=7 + tan(x) dU=sec^2(x)dx(you take the derivative of U) so using substitution, the integral is now ∫(U)^12*du now, integrate. the

Trig question help please?

if x varies inversely with y and x=-4 when y=30, find x when y =24. 1. -5 2. -3.2 3. 0.005 4. 180 And please explain how u got it-1. What does varies inversely mean?Hint:It involves some constant k.