Sebastianbed827 Sebastianbed827
  • 03-09-2020
  • Mathematics
contestada

If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?

Respuesta :

ifeoluwa16
ifeoluwa16 ifeoluwa16
  • 04-09-2020

Answer:

71

Step-by-step explanation:

Start solving using simultaneous equation,From there, we have r to be 3 and t to be 7

Ver imagen ifeoluwa16
Answer Link

Otras preguntas

Scientists hypothesize plants evolve directly from A cellulose B fungi C bacteria D green algea
What is the gcf and lcm of 18 and 15
Which region of Washington has the diversity of the beaches of the Pacific Ocean, the Straits of Juan de Fuca, valleys, mountains and rain forest. Olympic Penin
Make a equation to solve this problem: A number is 1/7 of another number. The difference of the numbers is 18. (assume that you are subtracting the smaller numb
Solve any method: 9x^2+9x=4?? PLEASE I DONT WANT A LONG ANSWER THAT WOULD CONFUSE ME IF YOU CAN GET TO THE POINT THANKS
A total of 234 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the nu
A plumber is fitting a water pipe that is 3\4 foot long on to a water pipe that is 2\12 foot long. How long will the finished pipe be?
Give an example of how migration affects population size?
Simplify n+n+n+n ?????
The work output of a machine divided by the work input is the ____ of the machine