ambmundle
ambmundle
01-03-2017
Mathematics
contestada
how to use substitution for 4x+3y=13 and x+y=4
Respuesta :
wolf1728
wolf1728
04-03-2017
A) 4x + 3y = 13
B) x + y = 4
B) x = 4 -y Then we substitute this into Equation A
A) 4 (4-y) + 3y = 13
A) 16 -4y +3y = 13
A) -y = -3
y = 3
x = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 21+ )
Otras preguntas
A Pizzeria sells pizza according to size: small pizzas cost $10, medium pizzas cost $15, and large pizzas cost $40. They usually sell as many small pizzas as
For the reaction shown here 8H2S(g) ---> <--- 8H2(g) + S8(g) the equlibrium concentrations were found to be [H2S] = 0.250 M [H2] = 0.400 M [S8] = 0.750 M
The fabulous fish market orders tilapia, which costs $3 per pound, and salmon, which costs $5 per pound. The market budgets $210 to spend on this order each day
does anybody know how vlookup works in excel ? it's urgent please answer
Lisa boarded her cat a kennel that charged 9.25 per day. Lisa boarded her cat 9 days. If her deposit was 1/5 of the total cost, what was the amount of her depos
what is the relationship between wary and hesitant A. They are homophones B.They are homonyms C. They are antonyms D. They are synonyms
3. A rectangular tabletop has a length of 4 feet and an area of 11 square feet. What is the width of the tabletop? @ 116 feet ® 23 feet © 4 feet © 8. feet
Which structure does very little albumin escape from the blood during glomerular filtration? a. Fenestrated endothelium b. Basement membrane c. Filtration po
what happens as humans use more and more land for development
What type of questions allow you to find the main topic of the article?
