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

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

Combine the like terms to make a simpler expression: 8t + 1 + (-4t) + (-6)

What is the value of z in the equation 5z − 9 = 36?

Which of the following is true about norovirus? a. it is more commonly known as influenza b. it very rarely spreads through food c. it only affects those who

molly wants her rectangular rooftop garden plot to have an area of 21 square feet. If she makes the width 5 feet, what must be the length? is this an example of

SPANISH HELP PLEASE!!! Which form of tener is appropiate for the following sentence? Mis abuelos __________ una casa muy grande. (2 points) tenemos tienen tiene

fatores 2m^4 - 18n^6

Solve for x: 5x + 15 = 28

rachel purchased different carpets that had the same ratio of the length to the width. the table below shows the length and width of some carpets rachel bought:

Repeating the last letter or sound in a word is a technique known as?

What is the degree of this polynomial? threex exponent 2 mines four x plus nine