ally5829 ally5829

01-09-2020
Mathematics

contestada

9. If DF = 42, find DE.
7x+1 4x-3
DEF what is DE

Respuesta :

jadakinsinger12 jadakinsinger12

01-09-2020

Answer:

29

Step-by-step explanation:

So DF = 42, And we know that DF = DE + EF

Therefore (7x+1) + (4x-3) = 42

11x -2 = 42

11x = 44

x = 4

Substitute x = 4 onto DE equation, so 7(4) +1

= 29.

Answer Link

Otras preguntas

Based on the two articles you have read, how might Google's mission to give everyone access to as much information as possible make it easier to violate a perso

Helpppppppp?!!!!!!!!!

Ton ami a gagné la compétition? Oui, il

what is m/2=12? plz helps

— 3х + Зу = 9 2x – 7y = - 14

Which angles are alternate exterior angles with angle 11? 5 and 13 7 and 15 6 and 16 8 and 14

Thetrophic level transfer efficiency (TLTE) is defined as the product of 100 and the quotient of production at the trophic level of interest and the trophic lev

what are malpighian tubules

Part B Based on the brothers' conversation, what can you infer about Robert's relationship with his mother and father? В І о X, Font Sizes A : E 2 ✓ Characters

floating airboat conditions