1,382 Answered Questions for the topic Linear Equations

Linear Equations

08/21/14

linear equation: 6[3-{-5x-8)]=240x+402

please help solve the equation
Linear Equations

07/31/14

oIs there a linear correlation between the number of chirps in 1 minute and the temperature?

A classic application of correlation involves the association between temperature and the number of times a cricket chirps in a minute. Listed below are the numbers of chirps in 1 minute and the... more
Linear Equations

07/11/14

$1000 spent on radio advertising, weekly sales increase by $101,000, $1250 spent on radio advertising, weekly sales increse by $126000.

Assuming that sales increase according to a linear equation, by what would sales increase when $1500 is spent on radio advertising?
Linear Equations

07/09/14

write an equation in the form y = mx + b for the line which contains the points (-8,20) and (-4,0)

how do you go through linear equations step by step? i really dont understand. i need an easier and faster way though it please.
Linear Equations

06/30/14

factorize please

-x3+4x2-23x+20=0
Linear Equations

06/23/14

If Anjali walks to her office at a speed of 4 km/hr, she reaches her office 8 minutes before the school time

If Anjali walks to her office at a speed of 4 km/hr, she reaches her office 8 minutes before the school time., If she walks at 3km/hr she reaches the office 7 minutes late. Find the distance from... more
Linear Equations Word Problem College Algebra

06/02/14

How many panels did plant B produced?

Two factory plants are making TV panels. Yesterday, Plant A produced 4 times as many panels as Plant B. Four percent of the panels from Plant A and 2% of the panels from Plant B were defective. How... more
Linear Equations

06/01/14

x + 7 > 11

graph a linear equation  
Linear Equations

05/29/14

Money denomination problem

Otis Taylor has a box of coins that he uses to play poker with. The box contains 44 coins, consisting if pennies, dimes, and quarters. The number of pennies is equal to the number of dimes, and the... more
Linear Equations

05/28/14

Five years ago, a mother was twice as old as her son. In 6 years' time, the sum of their ages will be 82. Find their present ages

It is a word problems leading to linear equations

05/27/14

$10,000 bonus in a fund that paid a 12% profit and invest the rest in stock that suffered a 4% loss. whats investment if her overall net profit was $1,040

Susan Marciano invested part of her $10,000 bonus in a fund that paid a 12% profit and invest the rest in stock that suffered a 4% loss. Find the amount of each investment if her overall net profit... more
Linear Equations

05/06/14

how can I graph -10x = 5y ?

equations with two variables
Linear Equations Solving Linear Equations

05/06/14

How do you solve linear equations by showing your work instead of just solving it from the equation???

My teacher says I need to do:    _______=_____                                              -                -                                              ___         =___ But I just move the... more
Linear Equations

05/06/14

With two given points, how do you get the answer for point slope form, slope intercept, and standard?

For example if I were to have the points (6, 2), and (-7, 4) how would I solve it step by step

04/23/14

Please help set up a derivative problem for business calc.

Suppose the annual cost per active-duty armed service member in a certain country increased from $80,000 in 1995 to $90,000 in 2000. In 1990, there were 2 million armed service personnel and this... more
Linear Equations

04/14/14

how do you Write Two-Variable Linear Equations

The cost, c, of a health club membership is related linearly to its length in months, m. If a 12-month membership costs $260 and an 18-month membership costs $380, which equation can be used to... more
Linear Equations

04/10/14

write the linear equation that models this situation. identifying slopes and explaining what it represent. budget charges 37 + .25 ea mile traveled. let c repre

  let c represent the cost in dollars of renting a truck driven in miles.
Linear Equations Equations Functions Slope

04/08/14

Differentiation Rules for Sinusoidal Functions

1. Find the slope of the function y=2cosxsin2x at x=π/2   2. Find the equation of the line that is tangent to y=x2sin(2x) at x=-π   3. Determine the second derivative for y=x2cosx
Linear Equations

04/06/14

-2[4+(2c+3)]=5+2(2c+4)

Please help! I am so confused! Please, go into as much detail as possible! Thank you!
Linear Equations

04/06/14

3(1.5p+9)-18=9(0.3p+2)

Help! Can't seem to solve the easiest linear equation ever! I am really stressing! Please, go into as much detail as you possibly can. Thank you!
Linear Equations

04/06/14

3(g+1)/8=5(g+2)/7

Please help! I've been having trouble solving linear equations and I need as much help as I can get! Please, go in to detail as much as you possibly can! Thank you!
Linear Equations

04/06/14

How do I solve this equation? 2[3-5(z-7)]=8(5z-8)

Please help! Go into as much detail as you possibly can! I really need help with the entire topic of Linear Equations. Thank you!
Linear Equations

04/06/14

How can I solve this linear equation? 3/4y=y/16+8

Please help solve this equation! I've been stressing over this topic for weeks now! I really need help! Please, go into detail as much as you possibly can.
Linear Equations Math Help Middle School: Math

04/02/14

the equation y=2/3x represents the cost y(in dollars)for x pounds of bananas.

A.Use the graph to estimate the cost of pounds of bananas c. Use the graph to find the exact cost of 8 pounds of bananas  

03/31/14

linear equation help

Consider the linear equation 2x – 5y = 3. (a) Write the linear equation in slope-intercept form. (b) State the value of the slope. (c) State the y-intercept for this line. (d) State a point on... more

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