tblackwood65 tblackwood65
  • 25-04-2017
  • Mathematics
contestada

Is r = -1 a solution to the equation 6(r – 4) = 30r

Respuesta :

Аноним Аноним
  • 25-04-2017
6(-1 - 4) = 30(-1)
6(-5) = -30
-30 = -30
so -1 is a solution
Answer Link
mohabbasem
mohabbasem mohabbasem
  • 25-04-2017
You can try to insert r=-1: 

6(-1-4) = 30*-1
-6-24=-30
-30=-30

So, yes r = -1 is a solution to the equation. 
Answer Link

Otras preguntas

how many pairs of chromosomes are in a body cell of a macaw
John left his home and walked 3 blocks to his school , as shown in the accompanying graph. What is one possible interpretation of the section of the graph from
what is the value of w in the equation 1/2w+7=2w-2
what is the unit rate in dollars per hour if u have 3.5 hours equals $10
What is the Aryan caste system
variables give three possible values for n numbers GCF 9,n 3
18. Using carbo-loading to increase the store of glycogen seems to benefit only those athletes who engage in aerobic activities that are A. more than 90 minut
what effect did European settlement have on American Indians
similarities between fiction and non fiction
the tens digit of a two digit number is twice the units digit. The sum of the digits is twelve. Find the original number.