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Solve (x)/(1) - 5/x = 4 ... step by step = best answer

x- 5/x = 4 multiplt through by x gives x² -5 = 4x rearange x² - 4x - 5=0 factorise (x - 5)( x + 1) = 0 either (x - 5) = 0so x = 5 or (x + 1 ) = 0so x = - 1-Add 5/x to both sides: x/1 = 4 +

What is the line integral of...

∫C xydx+(x-y)dy; C is from (0,0) to (2,0) and (2,0) to (3,2). I look at this and I dont even know where to start.-Break C into two segments: (i) (0, 0) to (2, 0) via x = 2t, y = 0 for t in [0, 1].

Helpme with integrates 5★★★★★ down link

http://imageshack.us/photo/my-images/841/integrales2.png/-Integrating 85*x*cos(170*x) I get: (170*x*sin(170*x)+cos(170*x))/340 Integrating x*sin(85*x) I get (sin(85*x)-85*x*cos(85*x))/7225 Hope it hel

Math help easy 10 points please help:)

1.(x^5)^10 2.18a^4/3a^2 3.12/16 in simplest form-assuming expression is (x^5) ^ 10 law of exponents; to the power of apower, multiply the exponents x^(5 times 10) x^50 assuming expression i

P and Q are integers that between them contain each of the digits from 0 to 9 once and only once. What is the

P and Q are integers that between them contain each of the digits from 0 to 9 once and only once. What is the maximum value of P x Q?-96420 x 87531 = 8439739020 You want the numbers to be roughly equ

Math 1050/College Algebra Homework Help!

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree: 4; Zeros: -4+2i; -3 multiplicity 2. It asks me to enter the polynomial. I got this...f(x) = a(x^4-2x^3-19x^2+

(6/5) to the power of -1

And can you please show how you got your answer ? Thank You xXx-When you have a fraction raised to a - power, the rule is flip the fraction and write the power as a + (5/6)^1-Power of -1 gives you 1

Intermediate algebra problem

I need help solving this. I just cant figure it out. [(4/ab)-(3/b^2)]/[(5/a)(3/b^2)]-Step 1: Use rules for adding and subtracting fractions to find a simpler expression for the numerator. 4/(ab) - 3/(

A question about electricity costs

can someone check these calculations for me please? if i use 4 kwh of electricity per day and my energy company charges 19p for the first 225 units over three months and 10p per unit after that, roun

Algebra questions, help

1. Solve for c.ab - c = 9 A. -ab - 9 B. 9 + ab C. ab - 9 2. Find two consecutive integers whose sum is 73. Which of the following equations could be used to solve the problem? A. 2x = 73 B. 2x + 1 =

Math questions? Help!

1. Find the thirtieth term of the following sequence. -6, -4, -2, 0, ... A. 52 B. 64 C. 66 2. Given: y varies directly with x and has a constant rate of change of 7. When the value of y is 12, then t

Suppose you have two infinite sets A and B, and you are told that there exists a pairing in which each...

in which each element from A is associated with exactly one element from B and no two elements of A are paired up with the same element of B. In this pairing, however, there are elements of B that are

Math: can anyone please help me with this question

http://www.admissionstests.cambridgeasse… question 20 please i tried to re-arrange and such, but could not do it any help is much appreciated-answer is A volume = πr²h area = 2πr² + 2πrh volume =

CALCULUS HHHHEEEEEELLLPPPP!!!!!

Given the curves r=2sin(x) and r=2sin(2x), 0=x=pi/2, find the area of the region outside the first curve and inside the second curve.-r=2sin x r=2sin2x they cut when 2sinx=2sin2x sinx=sin2x sinx= 2s

How to solve this function

0 = 6x^2 + 512 / x Wheres my mistake? -512 / x = 6x^2 -512 = 6x^3 -512 / 6 = x^3 (-512 / 6)^(1/3) = x 4.40 = x Note, the answer must be positive because were dealing with square feet. Heres the or
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