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

The number 78 is divisible by 2 and 3. True False

Which sentence uses a verb that agrees with its subject? A. A butterfly land on a flower in the garden. B. The bird flies across the room toward the wind

After 1950, the authorial voices that contributed to American literature were more likely than ever to be those of __________. wealthy white aristocrats immig

Which sentence is punctuated correctly? A. We grated one-third of that hunk of cheddar cheese. B. Amy has collected forty three cans of food for the holiday fo

Which pair of measurements is not equivalent? 160 oz., 10 lb. 5 lb., 80 oz. 14,000 lb., 7 tons 4 tons, 6,000 lb.

In, "The Legend of Sleepy Hollow," what do the old country wives say happened to Ichabod Crane?

6/15=2/c HOW TO SOLVE THIS PROBLEM

Based on the Venn diagram above that contrasts text messaging and phone calls, which choice is the BEST thesis statement?

Mrs.piant's yearly salary is $42000 and increase $2000 per year .Mr.paint's yearly salary is $37000 and increase $3000 per year .In how many years will Mr. an

Actions and ethics practiced on the sports field