11/29/19

A coin purse contains 18 points in nickels and dimes. The coins have a total value of 1.15. Find the number of nickels and dimes in the coin purse
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11/29/19

Math problem pls help
Write an equation in slope-intercept form for the line that passes through the given point and is perpendicular to the following equationPoint: (1,1)Equation: 3x+2y=-7
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11/26/19

which is the best answer?
The freshman class is planning a field trip. The class can either visit the aviation museum or the local arboretum. At the aviation museum, tickets cost $17 each, plus a flat rate of $51 for... more
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11/26/19

What is the slope of the line? What does the slope mean?
In an experiment, a car began traveling at a constant speed at 1PM. Over a period of 5 hours, the car traveled a total 160 miles A graph shows the relationship between the length of time that the... more
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11/25/19

How is the multiplication or division property of equality used in the elimination method? Are the properties always needed? Explain.
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11/24/19

Point slope? Help
Write an equation in slope intercept form for the line that passes through the given point with the given slopePoint: (-4,6)Slope: 8
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11/23/19

y=4x-3, which of the following is an equation for a line parallel to the line above that passes through the point (4,-7)
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11/22/19

if GHJ is an equilateral triangle, GH= 5x-13, HJ= 11x-61, GJ= 7x-29, find x and the measure of each angle
if GHJ is an equilateral triangle, GH= 5x-13, HJ= 11x-61, GJ= 7x-29, find x and the measure of each anglex=gh=gj=hj
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11/22/19

Solving Systems Using Elimination: In a class, 45 students take the SAT exam. The number of boys is 8 more than the number of girls. (question in the description)
a. Write a system that models the above situation.b. Do you need to multiply any of the equations by a constant? If so, which equation an what is the constant?
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11/21/19

probability and statistics

A jar contains 30 red, 40 blue, and 50 white buttons. You pick one button at random, find the probability that it is blue.
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11/21/19

Suppose you want to build a rectangular sandbox where the width is 4 feet less than the length and the diagonal is 4 ft longer than the length what are the dimensions of the sandbox
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11/21/19

linda deposits $2000 into an account that pays simple interest at a rate of 2% per year how much interest will she be paid in the first 2 years
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11/21/19

doreen needs to prepare 36 oz of a 12% acid solution. what amount of 18% solution and 9% solution should be mixed?
concentration rate. oz of solution oz of pure acid1st sol. 9%. x. 0.09x2nd sol. 18%. y. ... more
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11/21/19

kevin and randy muise have a jar containing 84 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $11.80. how many of each type of coin do they have?
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11/20/19

I cannot figure this out!

A local hamburger shop sold a combined total of 443 hamburgers and cheeseburgers on Thursday. There were 57 fewer cheeseburgers sold than hamburgers. How many hamburgers were sold on Thursday? 
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11/20/19

Solving a percent mixture problem using a system of linear equations
The Royal Fruit Company produces two types of fruit drinks. The first type is 20% pure fruit juice, and the second type is 70% pure fruit juice. The company is attempting to produce a fruit drink... more
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11/20/19

Four times a number is subtracted from another number and the difference is 3. The sum of the two numbers is 31. What is the larger of the two numbers?
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11/20/19

Find the present value of $10,000 if interest is paid at a rate of 7% per year, compounded quarterly, for 2 years
Present value not compound
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11/19/19

Precalculus world problem
During a one-month promotional campaign, Fran's Fix gave either a free DVD rental or a 12-serving box of microwave popcorn to new members. it cost the store $1 for each free rental and $2 for each... more
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11/18/19

Please help me with this math problem

A medium one topping pizza cost $12 and each additional top in cost zero $.50 don pay the $16.50 for a medium pizza if X gives a number of additional toppings don ordered which of the following... more
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11/17/19

13 1/3% as a fraction in the simplest form
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11/17/19

Square ABCD has vertices A(-2,-3), B(4,-1), C(2,5), and D(-4,3). What is the length of a side of the square?

Square ABCD has vertices A(-2,-3), B(4,-1), C(2,5), and D(-4,3). What is the length of a side of the square?
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11/15/19

Erasers cost 45 cents apiece. Notebooks cost 90 cents apiece. Karla spent $18 for a total of 28 erasers and notebooks. How many notebooks did she buy?
The answer I got is 6 notebooks. However, I still got it wrong. Can someone please explain how I got this question wrong?
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11/15/19

Write an equation of the line passing through point P (4,-6) that is perpendicular to the line y=-3
X= ?Graph the equations of the lines to check that they are perpendicular.
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11/15/19

Solve the problem

Tickets for a play are sold at two prices; $19, and $27. Find a formula for the total cost T(in dollars) of k tickets that sold for $19 per ticket and n tickets that sold for $27 per ticket.
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