radomes.openskiesproject.org
dmdicarlo dmdicarlo
  • 12-09-2016
  • Mathematics
Answered

if 2s +10r = 2(2s-5r) = 42, then what is the value of r?

Verified Answer :

xuchen xuchen
  • 12-09-2016

R=7/5
You can list two equations:
2s+10r=42 and 4s-10r=42.
Then try to delete S, you will get r

Answer Link

Related Questions

How can the distributive property be used to multiply numbers
Polygons QRST and QRST are shown on the coordinate grid
A pendulum takes 10 seconds to swing through 2 complete cycles a How long does it take to complete one cycle b What is its period c What is its frequency
why are some secondary consumers carnivoreswhile others are omnivores
Innovators studied in the Innovators DNA rarely invented something entirely new Instead they O Recombined the ideas they had collected in new ways allowing them
What did the Emergency Banking Act allow the government to do 4 points to insure customers deposits up to 5000 to reorganize and reopen banks with enough money
are 12 equivalent to 48
Many Egyptians loved perfume and Egypt imported some of the finest perfumes A Yes B No
A pizza shop sells a single pizza for 11 dollars However at the end of the night they will sell extra pizzas for 6 dollars each If the pizza shop sold 51 pizzas
i need a sentence for ne plus ultra plzne plus ultra is one word sorta