marissabarbosa48 marissabarbosa48

01-10-2021
Mathematics

contestada

The sum of three numbers is 30. Twice the first number, plus 5 times the second number is 112. Three times the first number minus the second number is 66. Write a system of equations to represent the problem

Respuesta :

01-10-2021

Answer:

[tex]x + y + z = 30[/tex]

[tex]2x + 5y = 112[/tex]

[tex]3x - y = 66[/tex]

Answer Link

Otras preguntas

The first self-governing representative assembly in the New World was called A. the House of Representatives. B. the House of Commons. C. the House of Bu

Does the author from and then there were none think the deaths were by degree of murder

Paul spend 7.50 every day for 3 days which expression is the best choice to help her to terminate the total amount of money he spent

what is the result of converting 2.3 miles into yards

Which system is the solution of the graph

what operation should be performed first to solve this problem? the Johnson family can fly from Washington DC to London $18 per mile per person. The distance is

what is the numerical solution of the equation 7 times a number equals 3 less than 5 times that number

which is an effective way to cope with stressA. let anger outB. hide anxietyC. recognize sadnessD. find humor in a situation

What is Canada in 117 in a ratio of 1:8

What are three items you use on a daily basis that have come from research in earth science?