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Question 177820: I've never taken pre-alg or alg of any kind. I'm trying, I'm in my 2nd sem. in college, my teacher goes pretty fast. I'm a little lost. I'm having a little problem figuring out how to do it correctly because everything I'm trying is incorrect.
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Question 177864: y=x+4 (-2,0) find a parrallel equation that passes thru these points
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Question 177867: How do you graph the equation 5x- 2y= -4
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Question 177957: Please show me how to graph this inequality y<2x+2
Thanks

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Question 177965: Solve each system by substitution. Determine whether the equations are independent, dependent, or inconsistent.
y=-4x-7
y=3x
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Question 177968: Solve each system by substitution. Determine whether the equations are independent, dependent, or inconsistent.
y=x+4
3y-5x=6
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Question 177970: Solve each system by addition
x-2y=-1
-x+5y=4
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Question 177969: Solve each system by addition
x+y=7
x-y=9
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Question 177969: Solve each system by addition
x+y=7
x-y=9
Click here to see answer by Mathtut(3670)

Question 177972: Solve each system by addition
2x=2-y
3x+y=-1
Thank you much!
Click here to see answer by jim_thompson5910(28598)

Question 177974: Solve each system by the addition method.
3/7x+5/9y=27
1/9x+2/7y=7
Thanx
Click here to see answer by jim_thompson5910(28598)

Question 178045: How do you find intercepts of a line in an equation such as y = -3x - 20
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Question 178053: 2y=x+30
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Question 178051: Find and interpret the C intercept for the line. C=2.85n + 30.52
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Question 178113: I am in desperate...I can do these problems until I get to the answer and I miss every time, so could someone please give me step by step.
Find an equation of the line containing the given pair of points
(-2, -3) and (-8, -4)

THANKS!

Click here to see answer by nerdybill(6963)

Question 178144: 2x+3y=9 solve for y (can you explain step for step please)
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Question 178179: I replaced the numbers in this equation so I can solve my own numbers. Could someone please help me.
The medium age of first marriage is 24.5 years in 1995 to 25.1 years in 2000. Let 1995 be year 5 and 2000 be year 10.
a) Find the equation of the line through (5,24.5)and (10, 25.1).
b) What do x and y represent in your equation?
c) Interpret the slope of this line.
d) In what year will the medium age be 30?
I want to compare what I have in my problem so please show work. Thank you.
Click here to see answer by stanbon(57424)

Question 178181: I need help with this problem.
The percentage of workers with direct deposits. 32% in 1994 to 60% in 2004. Let 1994 be year 0 and 2004 be year 10.
a) Write the equation of the line through (0,32) and ( 10,60) to model the growth of direct deposit.
ok I got y= 14/5 or 2.8x+b. Did I do something wrong.
b) Using this equation, what will the year be when 100% of employees will use direct deposit. I got 2017. Please show your work. So I can see where I went wrong?
Click here to see answer by josmiceli(9698)

Question 178212: if i have the coordinates of a slope (-3,7)and (5,-1) how do i find the line of equation with the points
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Question 178212: if i have the coordinates of a slope (-3,7)and (5,-1) how do i find the line of equation with the points
Click here to see answer by nerdybill(6963)

Question 178219: What is the equation the y-axis?
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Question 178218: If M(-2,2) is the midpoint of segment PQ and the coordinates of P are (-9,7), find the coordinates of Q?
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Question 178269: following the guidelines of the Food and Drug Administration, Dale tries to eat at least 5 servings of fruit each day. For the first six days of one week, she had 5,5,3,5,4, and 5 servings. How many servings of fruit should Dale eat on Saturday to average at least 5 servings per day for the week?
Click here to see answer by EMStelley(187)

Question 178321: y= 3x+5
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Question 178321: y= 3x+5
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Question 178329: 1. Find the equation of a straight line that passes through a point (–1,3) such that it is perpendicular to straight line y - 2x = 5.
2. Sketch a graph for a quadratic function given as below:
f (x) = x² - x - 6

Click here to see answer by jojo14344(1512)

Question 178274: If there are 12 volunteers and 8 pizzas haw many pizzas would each volunteer get?
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Question 178346: The sum of three consecutive integers is 114. Find the largest of these integers.
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Question 178348: The sum of three consecutive integers is 114. Find the largest of these integers.
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Question 178348: The sum of three consecutive integers is 114. Find the largest of these integers.
Click here to see answer by Alan3354(30993)

Question 178289: Please can you help me with this algrebra question.
Simplify the following; [-X]X[-2Y]X[-3Z]
My answer was 6x, but I was told it was the wrong answer.
Click here to see answer by mial_ibanez22(3)

Question 178394: 3X/3=2X/3+1
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Question 178409: Determine the intercepts of 6x+9y=18
please show work thanks

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Question 178435: Find the domain and range for the follow functiosn without using a calculator.
1.)
2.) x/x-1
Click here to see answer by user_dude2008(1861)

Question 178446: Write the equation of a line perpendicular to 7x +8y-12=0,which passes through the point (-2,5)
Click here to see answer by nerdybill(6963)

Question 178391: 1.ELECTRICIAN CHARGED MARY $29.96 FOR A SERVICE CALL PLUS $39.96 PER HOUR FOR A TOTAL OF $169.82 FOR INSTALLING HER LIGHT. HOW MANY HOURS HE SPENT INSTALLING THE LIGHT?
2.JOHN PLANS A ROAD TRIP FROM NEW YORK TO WASHINGTON IN HIS TOYOTA.HE STAYED OVERNIGHT IN NEW JERSEY. ON WEDNESDAY, HE DROVE FROM NEW YORK TO NEW JERSEY AT AN AVERAGE SPEED OF 47 mph. HIS DRIVING TIME ON THURSDAY IS 2 HOURS LONGER THAN HIS DRIVING TIME ON WEDNESDAY. IF THE TOTAL DISTANCE FROM NEW YORK TO NEW JERSEY IS 326 MILES, THEN WHAT IS THE TOTAL NUMBER OF HOURS HE DROVE ON BOTH DAYS?
HOW FAR IS NEW YORK FROM NEW JERSEY?

Click here to see answer by cartert(27)

Question 178461: write the equation of a line parallel to x+2y=7.which passes through the point(-5,-4)
the answer I came up with was y=-1/2x-13/2 is this correct?
Click here to see answer by stanbon(57424)

Question 178263: Graph the line
y = 3x+1 using two orderd pairs.
Now from your graph what is the x-value on the line when y = 8?
What is the exact value of x when y = 8 on your line using algebra to solve for it?

Click here to see answer by cartert(27)

Question 178504: I am not sure where to start with this one.
Graph 2x+5y-2>3y-10+2x
Click here to see answer by stanbon(57424)

Question 178445: Studies have shown that the population of rats inside an average sized house grows exponentially depending upon the number of cats that can be found on the premises. A a function of time the population of rats is approximated by the equation:
p(t)=P(K/C)^t
Where K=4.2 is a constant derived from experiment P is the initial popuation of rats, C is the number of cats, and t is given in weeks.
How many cats are necessary to stop the number of rats from increasing? Explain.
Click here to see answer by stanbon(57424)

Question 178533: 5x-3(2x-7)=11x+3
Click here to see answer by jojo14344(1512)

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