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

What should you look for when purchasing a pair of fitness shoes? A. Tight, snug fit B. Stable, nonflexible front C. Properly fitting arch support
LXXIV Arabic numerals
there are 8 students on the minibus. five of the students are boys. what fraction of the students are boy
negative 0.09 repeating as a fraction
Why do negative reciprocals always have a product of -1?
Simplify 4x - (2-3x) +5
Christi is doing her math homework. To receive full credit, she must answer this question: What key features are necessary—and how are the features used—to cr
What is 2 1/2 minus 1 1/4
which is bigger? 3/6 or 4/6
If three pies require 2 dozen apples, then four pies require Blank dozen apples.Fill in the Blank.