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

what religion did mansa musa of mali help spread
How do you find the interior angles of a triangle, if only one is given angle is given to you?
Which sentence correctly forms the plural of the letter c?   A.How many c's are in accordion?   B.How many cs'
The data represent the ages of people working at a store. 19, 27, 20, 26, 20, 24, 32, 23, 20, 19, 21 What is the first quartile of these ages?
If the probability of giving birth to a boy is 0.52, what is the approximate probability of giving birth to 4 consecutive boys?
How far away is Canopus in kilometres?
Alison wants to find out how much time people spend reading books. She is going to use a questionnaire. Design a suitable question for Alison to use in her ques
in what situation does friction make an object change its shape
Does an Off-Duty Police Officer have Authority in US?
jessicas shoebox is 20 centimeters long and 10 centimeters wide. how many more millimeters is the length of the shoebox than the width