Adriana has 24 dimes and nickels in a jar. The total value of the coins in the jar is $2.10. How many of each coin does she have?
Adriana has 24 dimes and nickels in a jar. The total value of the coins in the jar is $2.10. How many of each coin does she have?
f(x)=-3x+2 (express the slope of secant line of each function of terms of x and h msec=f(x+h)-f(x) ...
She bought a battery for $1.95, and gave her mom $30. She bought a ring for $7.20, and then spent half of the remaining money on a radio. If Liza has $38.50 left, how much money did she earn delivering...
Help solving this linear expression problem, and explanation on how it was solved. Thank you. Is there an easier way to figure out what these system of equations results in?
One of you friends gives you $10 for a charity walkathon. Another friend gives you an amount per mile. After 5 miles, you raised $13.50 total. Write an equation that represents the amount y of the...
The sum of 2 numbers is 24. Seven times the smaller number is the same as 5 times the larger number. Find the smaller number.
its foundations for functions
You are buying gifts for 10 people. You buy each person a cd or a DVD. A cd costs $10 and a DVD costs $20. Write and simplify an expression in terms of c for the total cost of all the gifts you b...
I am coming up with the equation not balance. Never ran in this situation.
Two cars travel the same distance. The old clunker travels at a rate of 40 mph for x hours. The sedan travels at a rate of 55 mph and reaches its destination 3 hours earlier than...
A rectangle Persian carpet has a perimeter of 204 inches the length of the carpet is 26 inches more than the width. What are the demensions of the carpet
a 129-inch ribbon is to be cut into 3 pieces. the longest piece is to be 36 inches longer than the shortest piece and the third piece is half the length of the longest piece. what is the length of...
i would like to know how you derive the alternative quadratic formula from ax^2+bx+c=0. i know how to derive the quadratic formula but not the alternate.
find the altitude and base
Please make it fast.
I am trying to help my son solve this algebra equation
I have a test tomorrow and these are some of the questions we have to do for study and I cannot figure it out.
X+4y=6 5x-4y=12
-3x -4y =2 8y=-6x-4
X=1 Y=1