Questions on Algebra: Systems of equations that are not linear answered by real tutors!

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Question 108039: Write in slope-intercept form.
(-2/3,4) (6,-1/3)

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Question 105635: The length of the shadow of a building is 2 feet more than 2/3 the height of the building and it is also 12 feet less than the height. How high is the building?
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Question 105382: Solve the system by substitution.
x + y = 12
y = 2x

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Question 105433: Find the slope and the y-intercept.
y = 2x – 4

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Question 108296: At 10:00 A.M. a car leaves a house at a rate of 60mi/h. At the same time another car leaves the same house at a rate of 50mi/h in the opposite direction. At what time will the cars be 330 miles apart?
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Question 108296: At 10:00 A.M. a car leaves a house at a rate of 60mi/h. At the same time another car leaves the same house at a rate of 50mi/h in the opposite direction. At what time will the cars be 330 miles apart?
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Question 108366: When graphing exponential and logarithmic functions can the lines pass into the 3rd quadrant?
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Question 108646: Number Theory Adding a three-digit number 5Z7 to 256 gives XY3. IfXY3 is divisible by 3, then what is the largest possible value of Z?
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Question 108661: This is system of equations substitution.I need help with
y=2x-4
y=3x

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Question 108838: Solve the following system of linear inequalities by graphing.
x-2y> 4
x<4

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Question 108839: Solve the following system of linear inequalities by graphing.
x+2y<3
2x-3y<6

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Question 105411: Adult tickets for a play cost $16 and child tickets cost $3. If there were 23 people at a performance and the theater collected $199 from ticket sales, how many adults and how many children attended the play?
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Question 105054: I need help solving this problem 3x-7=x-9
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Question 109405: Write the equation of the line which has y-intercept (0, 5) and is perpendicular to the line with equation y = –3x + 1.
y = –1/3x + 5
y = 3x + 5
y = –3x + 5
y = 1/3 x + 5

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Question 109404: I dont understand this. I thought I did and didnt get parallel lones. Determine which two equations represent parallel lines.
(a) y =5/7 x + 3(b) y =-7/5x – 7(c) y = 2x + 12(d) y = 2x – 3

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Question 109407: Are the following lines parallel, perpendicular, or neither?
L1 with equation x – 4y = 12
L2 with equation 4x + y = 4

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Question 109407: Are the following lines parallel, perpendicular, or neither?
L1 with equation x – 4y = 12
L2 with equation 4x + y = 4

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Question 109409: Find the slope of the line passing through the points (1, 3) and (1, –1).
–4
0
Undefined
1

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Question 109409: Find the slope of the line passing through the points (1, 3) and (1, –1).
–4
0
Undefined
1

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Question 109411: Write the equation of the line that passes through point (0, 4) with a slope of .
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Question 109441: Write the equation of the line that passes through point (0, 4) with a slope of -7/2

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Question 109881: I have been struggling with this equation for 3 days, and can not understand what I am doing wrong to see the appropriate way to approach solving these types of problems. Please help me understand how to approach solving these types of problems, and what to look for to determine the appropriate method to finding the solution?
{{z/Z+3}={3Z/5Z-1}}

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Question 109895: Use a system of equations to solve each problem
13. Adult tickets for the school musical sold for $3.50 and student tickets sold for $2.50. 321 tickets were sold altogether for $937.50. How many of each kind of ticket were sold?

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Question 110235: Ernesto spent a total of 64$ for a pair of jeans and a shirt. The jean cost 6$ more than the shirt. What was the cost of the jeans?
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Question 110285: You have $25 to spend on picking 21 pounds of three different types of apples in an orchard. The Empire Apples cost $1.40 per pound, the Red Delicious Apples cost $1.10 per pound, and the Golden Delicious Apples cost $1.30 per pound. You want twice as many Red Delicious as the other two types combined. Write and solve a system of three equations to determine how many pounds of each type of apple you should buy
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Question 110295: What would be the rule for finding any term in
107, 105, 103, 101....
Thanks for your help

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Question 110656: Solve the system by addition:
4x-7y=19
x+4y = -1

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Question 110656: Solve the system by addition:
4x-7y=19
x+4y = -1

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Question 110667: Find the slop of any line perpendicular to the line through points (6,14) and (5,8).
A) 6
B) -6
C) 1/6
D) -1/6

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Question 110665: Solve by addition:
4x-7y = 19
x+4y= -1

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Question 110705: f(x)=x^2-7x+10; find (a) f(0), (b) f(5), and (c) f(-2).
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Question 111453: A line passing through (11, 3) and (10, y) is parallel to a line with slope –2. What is the value of y?
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Question 112036: Write the equation of the line that passes through point (6, 7) with a slope of 0
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Question 112038: Determine which two equations represent parallel lines
(a) y = 5/3x + 2
(b) y =-3/5x – 3
(c) y = 9x + 6
(d) y = 9x – 2

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Question 112037: Are the following lines parallel, perpendicular, or neither?
L1 through (9, 2) and (3, –8)
L2 through (–3, 5) and (5, –1)

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Question 112050: One day, the temperature at 11:00 A.M. was 49°F, and by 1:00 P.M. the temperature was 53°F. What was the hourly rate of temperature change?
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Question 112049: Graph the inequality.
2x + 3y > 6

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Question 112054: Solve the following system of linear inequalities by graphing.
3x – y < 2
x + y > 2

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Question 112068: The difference of two numbers is 86. The second is 6 less than 5 times the first. What are the two numbers?
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Question 112223: Would you please answer 2(a-8)+7=5(a+2)-3a-19 please give the steps, thanks!
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Question 112223: Would you please answer 2(a-8)+7=5(a+2)-3a-19 please give the steps, thanks!
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Question 112254: Graph f(x) = –x – 2
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Question 112256: Given g(x) = –4x – 2, find g(4a).
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Question 112259: The sum of two numbers is 31. Their difference is 9. What are the two numbers?
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Question 112255: Rewrite the equation 4x – 10y = 11 as a function of x.
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