Tutors Answer Your Questions about Linear-equations (FREE)
Question 879137: write an equation in standard form (Ax+By=C) for the line described.
line passes through points (3,7) and is perpendicular to 5x+y=6
i know that it is x-5y i just don't know what the value of 'C' should be
Click here to see answer by Fombitz(32388)  |
Question 879143: Hello,
may I please have help for this question?
Anne spent $685 on 7 pants and 4 sweaters, while her friend Karen
spent $720 on 9 pants and 3 sweaters. They both paid the same price
for each pair of pants and each sweater that they purchased. What
was the cost of one pair of pants?
Click here to see answer by ewatrrr(24785)  |
Question 879147: Hello,
may I please have help for this question?
Solve the following linear equations (use the substitution method),
giving the solution as a coordinate pair in the form (x,y).
y = 4x + 4
y = 6x + 5
thank you.
Click here to see answer by ewatrrr(24785)  |
Question 879148: Hello,
may I please have help for this question?
State the 5 values of y corresponding to x = -2, x = -1,
x = 0, x = 1, and x = 2. List each value separated
by a comma (for example, -20,-10,0,10,20).
y = -x + 16
thank you.
Click here to see answer by ewatrrr(24785)  |
Question 879171: Non Wage Earners
The numbers of working age civilians (in millions) in United
States who were not involved in the labor force from 2000 through 2009 are given
by the ordered pairs.
(2000,70.0) (2001,71.4) (2002, 72.7)
(2003, 74.7) (2004, 76.0) (2005, 76.8)
(2006, 77.4) (2007, 78.7) (2008, 79.5)
(2009, 81.7)
A linear model that approximates the data is
y=1.22t+70.4,0≤t≤9
where y is the number of civilians (in millions)and t=0 represent 2000. Plot
the actual data with the model. How closely does the model represent the data?
Click here to see answer by ewatrrr(24785)  |
Question 879200: i need to solve the linear system using using substitution and elimination 4x-y=5 and 4x+4y=-4.
also graph the linear equation and complete the table
4x-y=5 4x+4y=-4
x,y x,y
0, 0,
1, 1
3, -1
and explain how the graph shows reasonableness of solutions of substitution and elimination
Click here to see answer by ewatrrr(24785)  |
Question 879145: Hello,
may I please have help for this question?
Solve the following linear equations (use the substitution method),
giving the solution as a coordinate pair in the form (x,y).
y = 9x + 9
y = 4x - 9
thank you.
Click here to see answer by Fombitz(32388)  |
Question 879587: Please help and explain how you came up with the answer. For some reason I continue to do something wrong when solving these particular problems.
Write the equation of the line perpendicular to 3x-y=6 and passing through (4,1). I am being asked to answer the equation in standard form.
Click here to see answer by ewatrrr(24785)  |
Question 879587: Please help and explain how you came up with the answer. For some reason I continue to do something wrong when solving these particular problems.
Write the equation of the line perpendicular to 3x-y=6 and passing through (4,1). I am being asked to answer the equation in standard form.
Click here to see answer by josgarithmetic(39617) |
Question 879909: I need help with this, I am not understanding the addition method of linear equations.
Solve the system with the addition method:
-3x+7y+-5
-15x+35y+-25
then it says to enter the answer as integers or reduced fractions. If there is now solutions, type DNE. If there are an infinite number of solutions, specify their form in the blanks (eg, (x,2x-3)
I am unsure of what the second part is, I know that the first is (x,___)
Click here to see answer by Fombitz(32388)  |
Question 880023: Write an equation in point-slope form of a line with a slope of –4 that goes through the point J(–5, 6)
Point Slope Form is y-y1=m(x-x1)
Where x1= -5 y1=6 m=-4
Therefore the PSE is
y-6=-4(x-(-5))
y-6 =-4(x+5)
Click here to see answer by BigToosie(32) |
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