I have 30 coins, all nickels, dimes, and quarters, worth $4.60. There are three times as many quarters as nickels and two more dimes than quarters. How many of each kind of coin do I have? *Using...
I have 30 coins, all nickels, dimes, and quarters, worth $4.60. There are three times as many quarters as nickels and two more dimes than quarters. How many of each kind of coin do I have? *Using...
Solve by substitution 4x+3y=14 -8x-6y=-28
3x + y = 18 2x – y = 7 5x + 3y = 21 2x + 7y = 20 5x + 3y = 31 2x + y = 12 2x + 3y = 1 -x + 2y =...
A woman bought s shirts at $20 each and j jerseys at $15 each at a total cost of $155. If however she had bought half as many shirts and twice as many jerseys, then the total cost would have been...
9 books are to be bought by a student. Some cost $6 each and the remainder cost $6.50 each. If the total amount spent was $56, how many of each were bought?
injave no idea what to do, please help me! x+y=1 2x-y=2
A certain type of exercise can help a person burn fat and lose weight. Each additional minute of this exercise burns an extra 30 calories per day. Write a linear function that models the number of...
Find the angle in degrees between the minute hand and the hour hand of a clock at 8:30 p.m
A point moves on a circular path with the radius of 4 units. If the point covers an arc of 8 units, find the angle in radians made by the arc at the center of the circular path.
3x + y = 18 2x – y = 7 5x + 3y = 21 2x + 7y = 20 5x + 3y = 31 2x + y = 12 2x + 3y = 1 -x + 2y =...
1. Assume that there are 19 frozen dinners: 10 pasta, 6 chicken, and 3 seafood dinners. The student selects 5 of them. What is the probability that at least 2 of the dinners selected are pasta...
Jerry Rice, who played the majority of his career with the San Francisco 49ers and the Oakland Raiders, holds the all-time record for touchdown (TD) passes caught. Here are some interesting facts...
f(x) = x-7 g(x) = square root of x-2 domain of (g o f)(x) in interval notation equation rule for (g o f)(x) =
They are 57 wheels in total together.they have a total of 25 bicycles and tricycles together
The sum of 2/3 and four times a number is equal to 5/6 subtracted from five times the number. Find the number
Wayne walks at a rate of 8ft/sec Elaine runs at a rate of 12ft/sec
i have this question as homework n i really need the answers to it.
write the equation in slope intercept form then graph
An investment is worth $3359 in 1991. By 1996 it has grown to $5774. Let y be the value of the investment in the year x, where x=0 represents 1991. Write a linear equation that models the value of...
once I know the x and y intercepts i can graph it.