Tutors Answer Your Questions about Linear-equations (FREE)
Question 255158: What is the solution to the system of equations x^2 - x + 6 = y and 2x + 2y = 36?
Answer 187449 by richwmiller(1774) About Me on 2010-01-09 17:12:13:
You can put this solution on YOUR website!
x = -2 sqrt(3), y = 2 (9+sqrt(3)) x=-3.4641, y=21.4641
x = 2 sqrt(3), y = -2 (sqrt(3)-9) x=3.4641, y=14.5359
It is a line crossing a parabola.
Please explain this in detail thank you so much
Click here to see answer by jim_thompson5910(35256) |
Question 255309: how do you find the slope of a line when your only given two points? we are required to solve it algebralicly with out graphing. i know that there is an equation to solve it but im not sure what it is or how it works.
Click here to see answer by drk(1908) |
Question 255852: the perimeter of a triangular dog pen has one side represented by 2x, another side represented by x + 19 and the third side represented by 3x + 6. Find the algebraic expression for the perimeter. Find the numerical perimeter if the value of x is 5 feet. there are 2 answers and i must simplify this expression. I have no idea how to do this. please help.....
Click here to see answer by solver91311(24713)  |
Question 255852: the perimeter of a triangular dog pen has one side represented by 2x, another side represented by x + 19 and the third side represented by 3x + 6. Find the algebraic expression for the perimeter. Find the numerical perimeter if the value of x is 5 feet. there are 2 answers and i must simplify this expression. I have no idea how to do this. please help.....
Click here to see answer by stanbon(75887) |
Question 256217: this question has a few parts. does this count as my four question limit?
a) find the slope of the line 2x -3y = 7 by placing the equation on slope intercept form. show work
b) johnny is to work the following problem. let x be the number of small doghouses to be bulit under the following constraints. let y be the number of large doghouses to be built under the following constraints. x < y; y < or = to 10. give a verbal statement about what y < or = 10 means about the doghouses being built. johnny also adds two other constraints x > or = to 0 and y > or = to 0. why would theses two constraints be logical and needed? johnny decides to graph his related x, y values (x,y) as points. he ended up with all of his graph being in one of the four quandrants. explain why he is correct using only one quandrant.
Click here to see answer by solver91311(24713)  |
Question 256226: with gas selling for $1.90 per gallon, the cost of filling your tank varies directly with the amount of gas that you pump. Find the equation representing the cost C related to the gallons of gas G that one would need. what is the constant of variation here? why is this a different constant in different areas of our country and across the world?
Click here to see answer by richwmiller(17219)  |
Question 256190: This is linear equations in one variable and problem solving.
A falcon,when diving, can travel five times as fast as apheasant's top speed. if the total speeds for these two birds is 222 miles per hour, find the fastest speed of the falcon and the fastes speed of the pheasant.
I am unable to figure out how to write the problem out.
Click here to see answer by solver91311(24713)  |
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