gypsyrose2000 gypsyrose2000
  • 22-10-2020
  • Mathematics
contestada

2.3r-y+6=21
Find r when y=7
Find y when r=4.23

Respuesta :

fiyinfoluwa757
fiyinfoluwa757 fiyinfoluwa757
  • 22-10-2020

Step-by-step explanation:

2.3r - 7 + 6 = 21

2.3r - 1 = 21

2.3r = 22

r = 22/2.3

r = 9.6

2.3(4.23) - y + 6 = 21

9.73 - y + 6 = 21

15.73 - y = 21

-y = 5.27

y = -5.27

Answer Link

Otras preguntas

the perimeter of a square is 1 meter. how many centimeters long is each side?
Our galaxy contains roughly 250000000000 stars. How many billion is this?
What is the largest part of the earth: the core,the mantle, or the crust
Which of the following questions is UNBIASED ?? A) Is soccer your favorite sport to wash ? B)Do you like watching boring sports or informative on Tv C) Do yo
the perimeter of a square is 1 meter. how many centimeters long is each side?
Maren walks 3/5 miles in 24 minutes at a steady pace.  How long does it take her to walk 2 miles.
Adaptations for water in fish include a. several fins for swimming. b. a system of muscles for movement. c. gills that allow them to “breathe” oxygen in water. d.
What is the ratio 1.12 turned in to a fraction in simplest form?
Hi, can you help with this problem:(-50)/2
What is the ranges for f(x) = 2x + 4 when the domains are 1, 2, 3, and 10