- help w/ solving systems: -x + 4y = 8, 2x - 3y = -16
- prove that [n^5 - n] is divisible by 30 for n >= 3
- Solve an equation: 4x - y = 32, 4x + 5y = -6
- graphing: Will graph of y = 2x + 7 pass below the origin?
- Solving equations using square roots
- Algebra: find perimeter & area, rationalize denominator
- Help with multiplying out (x + 4)(x + 7): I get x^2 + 28
- solve x-|5-y|
- factor completely x^2+6xy+9y^2-16
- factor x^4-10x^2+9
- factor (2x-6) - 3n(3-x): I can get to 2(x-3) - 3n(3-x)
- is n^2-n already factored? If so, how to solve n^2-n=0?
- degree of -3x^3+8x^2+9x+6; 3rd side, given b-2,c=sqrt(13)
- is (x^2 -12)(x^2 -12) factored completly
- Equation for the line that passes through... points.
- Perimeter is 68; length 10 more than twice width; find....
- System of equations: solve 3x + y = 7, 4x + 5y = -9 w/ graph
- Solve and graph: 6 - 4x >= 18, 6x - 1 > 29
- Rectangle perimeter is 204; length exceeds width by 84;....
- algebra: need to know how to graph equation like y = 2x - 3
- Solving (x - 4)(x + 5) / 1 = 36 for x
- help with solving (x + 4)(x + 5) = 36
- intro to algebra: use y = kx, y = 15, x = 3, to find k
- square roots: find square root of 9x^2 - 6x + 1
- help with solving (x + 3)(x + 4) / 2 = 24 for x!
- Word Problem Help Needed
- Negative Exponents in quadratic equation using U-substitute
- Write eqn modelling age of each when ages sum to 150; then
- n teams play every other team twice, for total of N games
- solve the inequality: 4 - 3x <= 8 + x
- solve the equation: 3(3x + 1) = 13 - 6x
- linear equation problem solving: show 2/c = 1/a+1/b, etc
- How do I solve this word problem?
- Algebra: for -2(x - 3) = -0.5(x - 6), i got x = 1.5
- my answers to 3 radical problems.
- Solving Multi Step Equations: 20 = 3.1 - 5.1b
- shutter speed varies inversely as square of aperture setting
- Inverse Variation: if 70 burgers sold at $1.50, then ...?
- Question: Write 50-word response, in own words, about why...
- linear models onvolving simultaneous
- Jan, John went 6 mi upstream against 2 mph current....
- If ratio of a to b is 2 to 5, of b to c is 1 to 4, find....
- [SPLIT] 3x/5-6=-9 What does x?
- Need help finding diagonal of rectangular box in terms of k
- Help w/ Bernie weighs 90 pounds plus half his own weight....
- Word problem Complications: selling peaches and tomatoes
- Factoring Polynomials: 24a^3b + 76a^2b - 28ab
- consec. pos. integers w/ product of 1st, 3rd, less 2nd, is
- find num. of rectangles, num. of outfits, min. num. of bks.,
- J has 16 dimes, qtrs; W has twice dimes, 1/3 qtrs. If....
- Stating inverse of relation: {(-2, -1), (0, 1), (1, 3), ...}
- eqn for relation w/ same domain but different range
- Setting up perim. word prob. (lot w/ fencing on 3 sides)
- how do i find childs dose? childs dose = y/? x adult dose
- Please check my answers?
- Working alone, ryan can dig a 10 ft by 10 ft hole in 5 hrs
- Need Help steps for finding slope of y = 2x + 1
- Find x-intercept and y-intercept for 3x - 5y = 15
- Solve 3.5x + 19.8 > 49.5 - 6.4x using addition, mult. princ.
- finding and area of a triangle
- Business Math: present value of $12K note at 14% interest
- C types 600 words 5 mins faster than K types 600 words....
- Let A be neg. real number: Is -A positive or negative? Why?
- difference between 'sign of number', 'sign of operation'...?
- What is 5% of $3605.10?
- Solving Equations: sqrt(3n - 2) + 6 = 10
- Simplifying Radical Expressions
- Percentages
- word problem
- simplify this expression
- Exponents
- HELP WITH MY DAUGHTERS HOMEWORK
- Properties of Equations: name properties illustrated by eqns
- If a team won 3 games and lost 2, how many patterns...?
- Perfect Square: find k to make 4^2 + 6.4x + k perfect square
- Travel and Distance Word Problem (walking, resting)
- Solve: C = A - B/AB, f or B
- Solving Equations be the Quadratic Formula
- Solving zero-product property problems
- Equations involving fractions: 1/5k + 5 = 1/6k- 10
- Quick percentage Q: net pay $800 after 5% taken; find gross
- length 4 times width; find perim if area is 144; find 2 cons
- solve a(y + 1) = b for y; solve (3/5)y + a = b for y
- $12,590 sale price was 20% regular price; find original pric
- 500 ft fencing needed to enclose 104-ft wide lot; find depth
- graph corner points for feas. region: x>3, y>2, x+y<10, and
- Ratio prob: If ratio of 2x to 5y is 3 to 4, what is ratio of
- find pattern for (8 1/2, 2 1/2), (2, -4), (8, 2), (-9, ??)
- Fraction with an x: 1/3-x/5=1/2-x/10 (how to solve for x?)
- algebra: how to work out 4n - 7 = 2n + 9
- cube with side-length "b": find formula for number of blocks
- I need help with factoring 111,111,111.
- Not sure need help with Subtracting fractions.
- Basic functions and Linear Transformations
- [SPLIT] need help w/ graphing process after plotting domain &
- how can you use an open sentence to stay within a budget?
- [SPLIT, MOVED, MERGED] solve (3y)/4 - 1/2 + (3y)/2 = 2 - y
- 2006 pop = 107.4m, growing at 1.43% yrly, find pop in 2020
- Find the equation of the line, write in slope intercept form
- 2x-5y=8, 5y<2-8, 5y>2x-8, 2^-5=8: solve to put in graph