Algebra

algebra
how do i find the scale factor??

Algebra
Write an equation in slope-intercept form of the line that contains the points in the table. X Y 1 9 4 10 7 11 13 13

Algebra
Write an equation in point-slope form of the line that has a slope of 1/2 and passes through the point (5, -2).

Algebra
Tell if the following pair of lines is parallel, perpendicular, or neither. 3x - 2y= 16 y= -2/3x + 4

Algebra
Write an equation of a line that is parallel to y = 3x – 5 and goes through the point (3, 1).

Algebra
The Badys and their maid, Alice, took a trip to Hawaii for their summer vacation. The travel agent told Ike that the trip would cost \$210 for each child plus another \$315 per adult. According to Ike Bady’s credit card receipt, the trip cost a total of \$2205 for all 9 of them...

algebra 2 help
if 3abs(x+4)=8, then x=? A. {-10,2} B. {-2,2} C. {-19,11} D. {-22,-14} which one? idek I think is B but i am not sure help

algebra 2
simplify the compound fraction: ((x+h)^(-3)-x^(-3))/(h)

Algebra
"Using distributive, associative, or commutative property, prove that x^2 - 4 is equivalent to (x - 2)(x + 2)." Firstly, which property would I use to solve this and show equivalence? Secondly, which steps would I need to take in order to show this/obtain my supposed answer ((...

algebra 1
if f(x)= 3x^2-4x+1 and g(x)=3x^2-3 what values are not in the domain of f/g? A. 0 B. 1 C. 3 D. +-1 E. no values to exclude 3(x^2-1)3(x+1)(x-1) (3x-1)(3x-3) (3x-1) (x-1)

Algebra 2
Adults 5.00 Kids 3:50 240 tickets sold for 1140 How many adults? How many kids?

Algebra 2
Find the equation of the line that is perpendicular to y=5 and passes through the point (2,3).

Algebra Help!!
solve using the elimination method. x + 3y = 20 -x + 2y = 0

solve the system of equations using the substitution method 8x - 9 = y y - 8x = 4

solve using the substitution method. -8x + y = 18 9x + 13y = 8

Algebra Help!!
Solve the given system by the substitution method. 3x + y = 17 5x -2y = 10

Algebra Help!!
solve using the substitution method. y= 5 - 3x 4x + y= 7

solve each system graphically. if a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. y = 2 - x 2x + 2y = 4

Algebra 1
solve the system of equations using the substitution method. 8x-9=y, y-8x=-4

algebra
a ten foot board has been cut in to 2 pieces, one of the board is x feet long express the other board in terms of x

I need to be shown the steps on how you derive at this answer (5a^7 / 2b^5c)^0 = 1

algebra
Simplify. Do not use negative exponents in the answer. 12x-2y4 -3xy-7 There should be a line between like a fraction but it did not copy or paste. This is the answer I got 12 x^-2 y^4 = 12y^4/x^2 -3xy^-7 = -3x/y^7 it was wrong. 12x^-2y^4 / -3xy^-7 = 12/-3 * x^-2 / x * y^4/y^-7...

Algebra 2
Write an equation for the relationship z varies jointly with x and the square of y, and inversely with r and s.

Algebra II
Find (f+g)(x),(f-g)(x),(f*g)(x), and (f/g)(x) for each f(x) and g(x) Now we were working well on this until we got to this f(x) and g(x). This was something our teacher didn't bring up. f(x) = 8x^2 g(x) = 1/x^2 How would you go about solving the problem with the fraction as g(...

Algebra 2
Solve the system algebraically 2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!

Algebra 2
Find the equation for the parabola with the given vertex that passes through the given points. vertex (-4,2) point (-3,0) please show work!!!

Intermediate algebra

Math Algebra
Jessica is 4 years younger than Jennifer now. In 10 years, Jessica will be twice the age that Jennifer is now. Find the present ages of Jennifer and Jessica

Algebra 1a
I am working with Systems of Linear Inequalities and need to find the point where the lines meet to label my graph. -9x-3y<27 and 8y+9y>=72 Thanks!

maths algebra
A bag contains x marbles,1\2 of the marbles were red,1\d were blue and the rest were yellow write down expressions for the quantity of red marbles the quantity of blue marbles and the quantity of yellow marbles

algebra
factorise4(x-y)^3-(x-y)

algebra 2
polynomials 1. (2a^3b^-2)(-4a^2b^4) 18. a^2n^7/an^4 19. -y^3z^5/ y^2z^3

Algebra 1
Where would the system below intersect on a graph? y=12x+15 y=15x I know that: x=5 y=75 But I need help on how to graph it.

algebra 1
A town is organizing a parade. There will be floats of only 2 sizes, 30ft. and 15ft. A space of 10 ft. will be left after each float. a. the parade must be at least 150 feet long, but less than 200ft long. what is the combinations of large and small floats are possible? b. ...

algebra 1
You have \$100 to go shopping. A store sells shirts for \$15 and dress shirts for \$22. You want to spend no more then the amount of money you have. You want to leave at most \$10 unspent. you need to buy at least one dress shirt. What are all the possible combinations of t shirts...

algebra
If you are paid an hourly wage of \$9.00, determine an equation for finding your weekly gross pay (P)for t hours. Specify an amount between 25 and 40 hours worked for 1 week and determine your gross pay for that week.

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

algebra
One evening 1500 concert tickets were sold for the Fairmont summer jazz festival. Tickets cost \$25 for covered pavilion seats and \$20 for lawn seats. Total receipts were \$35,000.How many of each type of tickets were sold?

Algebra 1
Translate to a system of equations. But do not solve. A nontoxic floor wax can be made from lemon juice and food-grade linseed oil. The amount of oil should be twice the amount of lemon juice. How much of each ingredient is needed to make 45 ounces of floor wax? Let x ...

Algebra
Solve each system graphically. Be sure to check your solution.If a system has an infinite number of solutions, use set-builder notation to write the solution set.If a system has no solution, state this. 2x - y = 1 x + 2y = 3

Algebra 1
Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set-builder notation to write the solution set.If a system has no solution, state this. I tried this and found no solution, is this right? x + y = 9 x - y = 1

Algebra 1
Simplify. Do not use negative exponents in the answer. 12x-2y4 -3xy-7

Algebra 1
Raising a product or a quotient to a power Simplify. Assume that no denominator is 0 and that 00 is not considered ├ ( (5a^7)/(2b^5 c)┤)^0

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...

The football is punted with an initial velocity of 22 meters per second from a height of 1 meter off the ground. When is the football within 5 metes of the ground?

algebra
Is there a site or someone who can help me, im not getting the basic algebra...I need someone or a web site that will help me understand the basics of algebra. PLZ HELP Im in 8th grade

algebra
An internet compant charges \$75 for all the equipment and \$35 per month for the Service. write an equation for the total cost of your intennet as a function of the number of months you have service.

Algebra 1a
-3x-7y<21 and -7x-9y<63 I need to label the intersection on the graph where these two points meet

algebra
Two positive whole numbers are in a ratio of 3 to 4. If the smaller of the two numbers is 9, what is the average of the two numbers?

College Algebra
According to data from the National Vital Statistics Report, the marriage rate (marriages per 1000) can be described by y=-0.146x+11.074, where x is the number of years after 1980. For what years does this model indicate that the marriage rate was above 9 marriages per 1000? ...

Algebra
1/(x-5) = 7/2x x = 7?

Algebra
Does x(x-7) = 0 have two solutions, 0 and 7?

Algebra
1/8 + 2/t = 17/8t Is t = 1 the only solution?

Algebra help thx
Pani says she should get \$3 discount on the price of each shirt and \$3 discount on the price of each pair of jeans. Part 1 write and simplify an expression to find the pint she would pay if this is true. Part 2 if you were the shop owner, how would change the sign? Please answer

College Algebra
A pharmacist wants to mix two solutions to obtain 100 cc of a solution that has an 8% concentration of a certain medicine. If one solution has a 10% concentration of the medicine and the second has a 5% concentration, how much od each of these solutions should she mix? I am ...

Algebra
Determine if the ordered pair ( -5,2) is a solution to the following system of equations. x + 3y = 1 y = 3x + 17

Algebra
Simplify -4^3 – 2 * 4^2 45 ÷ 3^2 – (3-|2-16|) There should be a line between the top numbers and the bottom, like in a fraction but longer. I typed it on word but when I tried to copy the line never showed when I pasted. Thanks!!

algebra
Andy has four less than twice the number of marbles that Beth has. If Andy has 28 marbles, how many does Beth have?

Pain says she should get \$3 discount on the price of each shirt and a \$3 discount on the price of each pair of jeans. Part 1 Write and simplify an expression to find the amount she would pay if this is true. Part 2 why are the amounts Pani pays in a and b different? Part 3 if ...

Algebra 1
The length of a rectangle is 2 more than 3 times the width. If the perimeter is 100 meters, what is the width of the rectangle?

Algebra
For log(4)(3x + 4)^5 = 15, do I have to expand (3x + 4)^5, or is there a faster way?

Algebra
thirty more student tickets than adult tickets were sold for the game. Student tickets cost \$2, adult tickets cost \$5 and \$1,450 was collected. how many of each kind of ticket were sold

algebra 2
What is a quartic function with only the two real zeros given? x = -4, x = 1

Algebra
I have been trying to solve this for two hours help. Determine whether the ordered pair (-5,2) is a solution of the following system of equations x - 3y = 1 y= 3x - 17

Algebra
I can find no solution to this system of equations. Solve the system of equations using the substitution method 2x + 4y = -2 2x - y = 4

algebra
Sheila has 7y craft sticks. Mark has 4y fewer craft sticks then Sheila and y craft sticks more than Linda. Then Sheila gave 2y craft sticks to Mark and Linda. How many craft sticks in terms of y did Mark and Linda have in the end? If mark had 6 more craft sticks than Linda at ...

algebra
Find all sets of three consecutive multiples of 11 for which the sum of two lesser numbers is greater than 100 and the sum of the two greater numbers is less than 200

Algebra
Help! I am stumped on this one. Graph the equation 15x + 5y = 10 Thanks! I have been working on these practice problems for two hours and cannot figure this one out

algebra
how do I translate 38 increased by b into an algebraic expression

algebra
The heights of the trees in a forest are normally distributed, with a mean of 25 meters and a standard deviation of 6 meters. What is the probability that a randomly selected tree in the forest has a height greater than or equal to 37 meters? Use the portion of the standard ...

algebra
a rock is thrown into the air from a height of 4 feet. the height of the rock above the ground, in feet, t seconds after the rock is thrown is given by -16t^2+56t+4. for how many seconds will the height of the rock be at least 28 feet above the ground

math-algebra
How do you solve the following problems: What is the area of a square with the length of a side equaling 3a^5? I got (3a^5)(3a^5)=9a^10 is that correct?? What is the area of the rectangle with the width of 6x^2 and the length of 12x^3? I got 6*5^2=900; 12*5^3=216,000 for a ...

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an ...

Algebra
If there is a grid and you are going to draw three different rectangles so that each has an area of 12 square units and they all have different widths. What are the dimensions of the rectangle? Please help answer

Algebra 1

Brandon has 32 stamps. He wants to display the stamps in rows, with the same number of stamps in each row. How many different ways can he display the stamps? Please help answer and explain

algebra
Of 256 consumers polled, 78 people like thrillers and 116 like both thriller and comedies. how many only prefer comedies?

Algebra
What are the complements and supplements of: (y + 20)°. Thx!

Algebra
system of equations, the sum of two numbers is 46. the first number is 3/20 of the second number is it x + y = 46, x = 3/20y?

algebra 1
Which of the following points are solutions to the system of inequalities shown below? Check all that apply. y>4x + 2 y<4x + 5 A. (4, 21) B. (5, 24) C. (5, 26) D. (-4, 20)

algebra
the area of a rectangle with base b and height h is bh. A rectangle sports goal is 9 ft wide and 8 ft high. Find the area of the opening

algebra
one less than the product of two numbers is 57. let m and b represent the unknown numbers is it mb - 1 = 57

algebra
what is the opposite of -17/22

algebra

algebra
A chemist has x grams of an alloy that is 20% silver and 10% gold, and y grams of an alloy that is 25% silver and 30% gold. Express the number of grams of gold in the two allows in terms of x and y.

Algebra I
your class sells 64 tickets to a play. A student ticket cost \$1. An adult ticket \$2.50 If you collect \$109 in total ticket sales, how many adult tickets do you sell? please show how to solve

Algebra 1
x^4-9x^3-7x^2-8x+2 Divide by x^2+x+1 Thanks

Algebra 1
6x^3-3x^2+x-40 Divided by x-2

Algebra
Blending spice: Spice of life sells ground sumac for \$1.35per ounce and ground thyme for \$1.85 per ounce. Aman wants to make a 20 oz Zahtar seasoning blend using the two spices that sells for \$1.65 per ounce. How much of each spice should Aman use? I know that there are 28 ...

math-algebra HELP!!!!
1) A gym charges a one-time sign-up fee and then a regular monthly fee. The cost of a membership as a function of the number of months as a member is shown for 2010 and 2011 on the graph. a. What characteristics of the graph represent the sign-up fee and the monthly fee? What ...

Algebra 1
Translate problem situation to a system of equations. Do not solve. The sum of two numbers is 10 the first number is 2/3 of the second number. What are the numbers? would it be 6, and 4? or 7, and 3? I know 2/3 of 10 is 6.66666667, so being after the decimal is higher than 5 ...

algebra word problem
A projectile is launched upward from a height of 960 feet with an initial velocity of 64 ft/s. The equation gives the height h after t seconds. Find the number of seconds until it returns to the ground.

algebra word problem
A projectile is launched upward from a height of 960 feet with an initial velocity of 64 ft/s. The equation gives the height h after t seconds. Find the number of seconds until it returns to the ground.

algebra
Solve f(x)=3x^2+8x-6. Let f(x)=f(7a)

ALGEBRA
If I pay RM200 every month for 20 years into an investment account that gives 3% p.a interest compounded monthly, how much will I get at the end of 20 years?

ALGEBRA
if a product that had a cost of rm2000 was sold with a markup percentage of 80% based on retail price, what was the retail price?

ALGEBRA
if the 6th term of an arithmetic sequence is 48, and the sum of the first 6 term is 300, what is the first term and the constant difference? Pls help as I have never learn this before,need some example to start with.thank you

Algebra 1
bobpursey, In this problem you helped me with earlier: Solve using any appropriate method. y = 2× - 5, y = ½× + 1 Substitution, substitute for y. 2×-5=½ × + 1 3/2 x=6 x=4 y= 2*4-5=3 How did you choose which method you were going to use between substitution and ...

Algebra 1
I pretty much know this problem 4y+2x=18 3x+6y=26 multiply -3= -6x+-12y= -54 multiply 2 = 6x+-12= 52 The answer is -2 but I am not sure what to do next since both x and y were canceled out.

Algebra
Solve using the appropriate method. Substitution or Elimination. y = 2x - 5, y = 1/2x + 1 This morning I posted a question that Bosnian was kind enough to help me with but it was the wrong question that I was looking at. Sorry but I could really use some help I have been ...

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