x=2y 3x+4y=20 Solve the system of equations using substitution
x=2y 3x+4y=20 Solve the system of equations using substitution
1.use synthetic division to divide 25x^3+25x+5x-6 divide x+4/5 2. Find the expression equivalent to the one given x+14/x-9 3. Use the rules of exponent...
A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 40% and the third contains 60%. He wants to use all three solutions to obtain a mixture...
Maricopa's Success scholarship fund receives a gift of $ 185000. The money is invested in stocks, bonds, and CDs. CDs pay 3.5 % interest, bonds pay 5 % interest, and stocks pay 11.9 % interest. Maricopa...
Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 10 percent simple interest per year. She puts twice as much in the lower-yielding account because it is less...
Define two variables. Then write equations. Quantity-rate equations may be helpful. Use either the elimination method or the substitution method to solve the equations. A green turtle...
Substitution: 3x+10y=1 x+2y=-1 Elimination: 3/4x + 5/3y = 11 ...
Adult tickets to the fall play cost $8 and student tickets cost $4. The drama class sold 20 more adult tickets than student tickets to the fall play. If the class collected $880 from ticket sales,...
This must be solved by linear combinations or substitution.
Set up equations for both of the services using x and y. determine the variable and provide an explanation for why you chose what you did, Solve the system using the graphing method...
A chef is using a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains 15% vinegar. The chef wants to make 390 milliliters of a dressing that...
use the substitution method, to substitue the x next to the 2 in the second equation with x=5y+9
y=x^2 y-7x=-12
The red cab company charges $3.50 upon entry and an additional $1.25 per mile driven. The yellow cab company charges $5 upon entry and an additional $1.15 per mile driven. Use the graphing method,...
The owner of a movie theater was counting the money from one day's ticket sales. He knew that a total of 150 tickets were sold. Adult tickets cost $7.50 each and children's tickets cost $4.75 each...
X+2y=8 2x-3y=2
The equations that are first gotten should be a linear system. If it could be solved using the substitution method, that's be great! Thanks.
The equations that are first gotten should be 2 equations for a system. If the work could use the substitution method, that'd be great. Thanks!
In one city, taxi company A charges $5 plus $0.35/km travelled. Taxi company B charges $3.50 plus $0.50/km. For what distance is the charge the same using either taxi company?
There are seven more males than females in the room. How many males are there? How many females are there?