Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 22387: Explain how you use the exponent rules and the meaning of negative exponents to simplify the following expressions: (b^2 · c^-3)/(b^-3 · c^2) Click here to see answer by rapaljer(4670)

 Question 23220: I having a little difficulty in the following problems. I appreciate your help! Solve the unknown variable: 1. 4(-1)(1-y)+8=0 2. 1-2(3-4)+y=-2y+8(1-1) 3. y/8=4+(y-2)/24 Click here to see answer by rapaljer(4670)

 Question 23219: I having a little difficulty in the following problems. I appreciate your help! 1. What is (1/6) divided by (-5/8) 2. What is (5/16)+ (11/24) 3. What is (3/7)+(-2/9) Click here to see answer by rapaljer(4670)

 Question 22169: Find the quotient using long division. (I have to show work.) 8m^3 +38^2 -6m +20/m+5 Answers being: (A)8m^2+2m+4 (B)m^2+2m+8 (C)8m^2-2m+4 (D) m^2+3m+4 Second question: Multiply: (3y+11)(8y^2-2y-9) (I have to show work.) Answers being: (A) 24y^3-6y^2-27y+11 (B) 112y^2-28y-126 (C) 24y^3+28y^2-49y-99 (D) 24y^3+94y^2+49y+99 Thank you. Click here to see answer by AnlytcPhil(1321)

 Question 21973: Write an equation of the line that is parallel to the given line and passes through the given point. y=-4x-7, (5,-3) If it isn't too much trouble this one too. y=-2/3x+4, (-5,5) Click here to see answer by stanbon(60778)

 Question 21983: how do you solve this problem with the following directions Identify the x- and y- intercepts these are the problems y=8x-1 y=-3x+5 y=-2x+13 y=17x-4 y=-5x-9 Click here to see answer by elima(1433)

 Question 22049: Explain and show the steps in how to add,subtract and multiply the following: a. (8x^2 + 5x) - (4x^2 - 3x) Click here to see answer by stanbon(60778)

 Question 23280: find the (GCF) greatest common factor of each set of numbers: 1. 12 and 22 2. 7 and 21 3. 24 and 48 Click here to see answer by rapaljer(4670)

 Question 20899: What values of x, if any are not permitted? x-3/x^2-16 Thank You Click here to see answer by venugopalramana(3286)

 Question 23239: Help with equations. Thank you Solve for the unknown variable. 1. 0.05x=-10(2) 2. 2y-2*3+1=15 3. 8(1+y)-3y=6+y-2y-10y+20 4. (1/2)x+(9/14)=(3/7) Click here to see answer by stanbon(60778)

 Question 23319: Solve the system with the elimination method. 4x-y=11 3x=3-y Click here to see answer by rapaljer(4670)

 Question 20898: combine and simplify a^2/x-1 - a^2/x+1 Thank you Click here to see answer by rapaljer(4670)
 Question 20898: combine and simplify a^2/x-1 - a^2/x+1 Thank you Click here to see answer by philberg99(10)

 Question 23337: insert parentheses to make equation 9+6x2 divided by 3-1=12 true Click here to see answer by philberg99(10)

 Question 22051: Explain and show the steps in how to add,subtract and multiply the following: (-9p^3 · q^2)(-3p^2 · q^4) Click here to see answer by philberg99(10)

 Question 20937: Please help with this equation: 4/3(WPB)=XY, solve for X I multiplied both sides by 3 to get 4WPB=3XY and then divided both sides by 3Y to get 4WPB/3Y = X. Does this sound right? Thank You! Click here to see answer by venugopalramana(3286)

 Question 23350: x=1+the square root of x squared + x + 2x times the square root of x - the square root of x + 1 + 2 times the square root of x Click here to see answer by AnlytcPhil(1321)

 Question 23357: how many ways could you choose 3 winning groups from 10 if their order does not matter? AND suppose there is a first, second, and a third place, so the order in which you choose the winning groups matters. how many ways can you choose 3 groups to win these prizes? please help me with the equations. thanks. Click here to see answer by stanbon(60778)

 Question 22044: Explain how you use the exponent rules and the meaning of negative exponents to simplify the following expressions: (b^2 · c^-3)/(b^-3 · c^2) Click here to see answer by elima(1433)

 Question 22041: Explain how you use the 5 rules of exponents to simplify the following expressions. Do not leave any negative exponents in your answer.: ^ (108r^2 · y)/(9r^3 · y^2) Click here to see answer by elima(1433)

 Question 23434: Hi PLEASE HELP ME!! I really do NOT know what i'm doing!! I need HELP! Help would be greatly appreciated! here is the problem and directions: Use the formula h=rt-4.9t^2 where h is in meters and the formula h=rt-16t^2 where h is in feet. The Problem: A ball is thrown upward with an intial speed of 24.5 m/s. when is it 19.6 m high? (Two answers) Please help me, i'm desperate, i just cannot figure out this assignment, i'm having a lot of trouble! Thanks! Click here to see answer by stanbon(60778)

 Question 22052: Explain and show the steps in how to add,subtract and multiply the following: (x - 9)(x - 11) Click here to see answer by elima(1433)

 Question 20950: Neglecting air resistance, the upward velocity of the water in the stream of a particular fountain is given by the formula v=-32t+28, where t is the number of seconds after the water leaves the stream. How long does it take a droplet of water to reach the maximum height? Click here to see answer by Icedemon(3)