# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 200270: One leg of a triangle is 14 meters longer than the other leg. Thy hypotenuse is 26 meters long. Find the length of each leg. 26=14n+n This is the equation I came up with. Click here to see answer by MathTherapy(1427)

 Question 200246: HI all, I need some help with the following problems. I dont expect answers to all of them, but if someone can give me 1 or more with explanations that would be great. I need to Solve the following 3 seperate equations for x 1. x = 2^x+1 = 27 2. x = 4x+2 = 256 3. x = 42x+2 = 256 All 3 are seperate and need seperate answers, if someone an give me some help il be very gratefull. -Nick Click here to see answer by ankor@dixie-net.com(15661)

 Question 200271: Find two consecutive odd integers such that the square of the first added to 3 times the second is 24. n^2+3(n)=24 This is the equation I came up with Click here to see answer by checkley77(12569)

 Question 200266: Find the length of a ladder leaning against a building if the top of the ladder touches the building at a height of 12 feet. Also the length of the ladder is 4 feet more than its distance from the base of the building. n=4n+12 Click here to see answer by checkley77(12569)

 Question 200264: The longer leg of a right triangle measures 2 feet more than twice the length of the shorter leg. The hypotenuse measures 3 feet more than twice the shorter leg. Find the length of all 3 sides. 3+2n=2+2n+n-I am not sure if this is correct or not. Click here to see answer by checkley77(12569)

 Question 200357: Hi all, im not sure whether this is really a proper question. But I need to know if there is a correct manaula method with full working to do the following. I normally do them on calculator but want to know if I should be showing working. For the following: Find all angles between 0 and 360 which satisfy's the equations sin theta = 0.5 I have several otehr along the same lines an just wanna make sure im not doing them incorrectly. Thanks, -Nick. Click here to see answer by RAY100(1637)

 Question 200359: Hi all, was just wondering if someone could show me what the correct way to complete and show all working for the following problems. There are a few seperate problems I have to do. I need to solve for x and y for the following. 1. 5x -2y = 1 2. 2x+ y = 11 3. 5x - 3y = 1 Thnaks guys, -Nick. Click here to see answer by Alan3354(30993)
 Question 200359: Hi all, was just wondering if someone could show me what the correct way to complete and show all working for the following problems. There are a few seperate problems I have to do. I need to solve for x and y for the following. 1. 5x -2y = 1 2. 2x+ y = 11 3. 5x - 3y = 1 Thnaks guys, -Nick. Click here to see answer by Edwin McCravy(8912)

 Question 200399: Ok, so the problem started as 7/2x+1/2x=3x+3/2+5/2x. The goal of the problem is to clear the fractions and solve for x. When I cleared the fractions I came up with: 7x+1x=3x+3+5x I started to combine like terms and came up with: 8x=8x+3 Now I am stuck. Thanks! Click here to see answer by jim_thompson5910(28598)

 Question 200467: How do i do this? Write the equation of the line perpendicular to - 3x - 4y = 10 with a y-intercept of -5. Thank you. Click here to see answer by jim_thompson5910(28598)

 Question 200468: V = T + s(b+x) solve for x. Click here to see answer by jim_thompson5910(28598)

 Question 200491: Hi again, I am having some recurring trouble with the following. I need to solve for x and y for the following problems. The 2 are not related and do not need the same answer. They are two seperate similiar problems that need seperate answers. 1. 12x + 4y = 20 2. 5x - 3y = -1 If someone could show me working with steps and explanations on both that would be greatly appreciated. Thanks, -Nick. Click here to see answer by vleith(2825)

 Question 200489: Hi all, i need some help with the following. I would like to know how to do this and similiar problems so please show all working with steps and explanations where possible. I need to solve for x for the following: 1/5x + 1/x = 1/15 Thanks, -nick. Click here to see answer by RAY100(1637)

 Question 200487: Hi guys, was hoping someone could help me with the following 2 similiar problems: For this first one I have to multiply the expression: (2x-2)(x^2+5x-4) If someone could show me how with steps that would be great. The second problem is I have to simplify the following: 1/(x-2) + (5/x) Info and steps on this one wwould also be greatly appreciated. Thanks, -Nick Click here to see answer by checkley77(12569)

 Question 200537: I am needing help with a problem...-1/3y+2/9=1/2...can anyone help me? Click here to see answer by jim_thompson5910(28598)

 Question 200539: what must x be so that the difference between y and z is 2.5? y-z=10x Click here to see answer by Alan3354(30993)

 Question 200456: Hi! You invest \$15,000 in an account with an interest rate of 8%. If interest accrues continuously how long will it take for your investment to double? thanks for the study help! Click here to see answer by Alan3354(30993)

 Question 200580: Hi all, Can someone please show me, with working; how to differentiate the following with respect to x. These are three seperate equations with seperate answers. 1. 2. 3. If someone could show me one or all 3 that would be great. Thanks, -nick. Click here to see answer by Edwin McCravy(8912)

 Question 197775: Consider the formula n(A U B) = n(A) + n(B) - n(A ∩ B). (a) Show that this relation holds for A = {1, 2, 3, 4} and B= {2, 4, 5, 6, 7, 8} (b) Make up your own two sets A and B, each consisting of at least six elements. Using these two sets, show that the relationship above holds. (c ) Use a Venn diagram and explain why the relation holds for any two sets A and B. Click here to see answer by Edwin McCravy(8912)

 Question 200581: Hi agin, was wondering if someone could please show me how to find the anti-derivative of the following: 5x^-3 - 3e^6x + 4/x If someone can provide full working with steps and explanations that would be fantastic. I also have to find the anti-derivative of: e^2x If someone can show me how to do this also I will be very grateful. Thanks, -Nick. Click here to see answer by vleith(2825)

 Question 200579: Hi all, im still struggling to do these graph problems, could someone please show me how to do the following. Sketch the Graph of y = 10/(x+5) - 2 I need to see how it is done with all working and have everything labelled on the sketch. If someone can show me orr give me a similiar example with steps that would be very helpful. Thnaks, -Nick. Click here to see answer by Alan3354(30993)

 Question 200741: verify that x=-2 is solution of equation 3(2x+3) - x*x = 2x + 7 Click here to see answer by RAY100(1637)

 Question 200745: Separate 152 into 2 parts such that if the bigger number is divided by the smaller number, the result is 5/2. Click here to see answer by checkley77(12569)
 Question 200745: Separate 152 into 2 parts such that if the bigger number is divided by the smaller number, the result is 5/2. Click here to see answer by RAY100(1637)

 Question 200744: Jolina and Judy Ann can encode a term paper in 3 3/5 hours. Jolina can do it by herself in 6 hours. How long would it take Judy Ann to encode the term paper by herself? Click here to see answer by checkley77(12569)

 Question 200855: Evaluate the piecewise function for x = 2 and x = -3 f(x)= { 5x-1 for x < 2 { 9x for x > 2 Click here to see answer by stanbon(57395)

 Question 200916: From the currency exhange rate talbe shown in table 5-2, 1.0000 EUR is equivalent to 0.7615 USD. Use a proportion to convert \$2500 to EUR. This is what I did 1=2500 0.7615 x x=1903.75 However the answer is 1904.04 Click here to see answer by Alan3354(30993)

 Question 201005: solve the equation 3(2y - 5)= 5(y+2)for y Click here to see answer by rfer(12670)

 Question 201053: Some real numbers are integers. A) True B) False Click here to see answer by RAY100(1637)

 Question 201052: Solve the equation. 36x - 2 = 6 Click here to see answer by Mathtut(3670)