anonymous4332 anonymous4332
  • 11-09-2020
  • Mathematics
contestada

Find MN

LM = 3y + 4
MN = 7y + 9
LN = 143

Find MN LM 3y 4 MN 7y 9 LN 143 class=

Respuesta :

shownubear1992
shownubear1992 shownubear1992
  • 11-09-2020

Answer:

B. 100

Step-by-step explanation:

[tex]3y+4+7y+9=143[/tex]

[tex]10x+13=143[/tex]  143-13=130

10x=130 divide both sides by 10 130/10= 13 x=13

MN=7(13)=91+9=100

LN=3(13)=39+4=43

100+43

Answer Link

Otras preguntas

simplify the expression (12a^2b-8a+5a^2b-2ab)-(4ab^2-6ab+2a+3ab
The independent variable is the only factor that a scientist
Which principle states that the courts have the power to determine if government actions violate the constitution?
If two pizzas cost as much as three cakes, and if one cake costs $6, how much do five pizzas cost? A. $9 B. $30 C. $36 D. $45
Pros and cons of canopy fogging
I need help with question three please!!!!
which determines the chemical properties of minerals? A. crystal shape B. cleavage C. luster D. type of atoms
A blank is a group of sentences that relate to a central or main topic
Who are these characters in Twelfth Night Shakespeare. 1. Sir Toby 2. Fabian 3. Malvolio
Amanda Wolpert’s home in Richmond, Virginia, has an assessed value of $74,200. The tax rate where she lives is 25.13 mills. What is her annual real estate tax?