mega22
mega22
30-03-2017
Mathematics
contestada
Help solving this problem
Respuesta :
bcalle
bcalle
30-03-2017
2t + 5b = 20
8t + 3b = 29
Multiply the first equation by-4
-8t -20b = -80
8t + 3b = 29
-17b = -51
b = 3
Plug 3 in for b into either equation and solve for t.
2t + 5(3) = 20
2t + 15 = 20
2t = 5
Divide both sides by 2
t = 2.50
Answer Link
VER TODAS LAS RESPUESTAS ( 83+ )
Otras preguntas
Help me pls and thanks
-6( x - 4 ) = 54 what does x equal
Which integer can be placed under the radical to make the statement true (picture link)
Whoever helps with right answers will get marked with a crown an 50 points
BRAINLIEST IF U GET IT RIGHT AND IN ORDER PLEASE HELPPPPPP
How does smoking affect blood vessels?
If Rintarou Okabe-Steings has a momentum of 1500 kg*m/s and is traveling at a speed of 20 m/s, calculate the mass of Rintarou.
WILL GIVE 200 POINTS TO FIRST WHO ANSWER CORRECTLY!
Everyone in a company knows the story of how the company was founded, and they share it with new employees as a legend, complete with jargon and slang that one
Can someone please help me? :(
