evaaaamath evaaaamath

04-09-2017
Mathematics

contestada

Find the length of DB with the length indicated

Find the length of DB with the length indicated class=

Respuesta :

kphung76127 kphung76127

04-09-2017

DB should equal CB plus DC.

First write an expression to represent DC.
(x+168)-(3x+134)
x+168-3x-134
-2x+34

Then write an equal for DC plus CB equals DB
-2x+34+71= 153+2x
-2x+105= 153+2x
-4x+105=153
-4x=48
x= -12

Now plug in the value of x to find DB
153+2(-12)
153-24
129

Final answer: 129

Answer Link

Otras preguntas

unit rate for $1.98 for 6 bannans

How was the development of the Huang civilization different from that of other early civilizations? (4 points) A. It was isolated from other cultures and so c

You can buy 5 small pizzas for the same price as 3 small pizzas and 10 one dollar drinks. how much does each pizza cost

I NEED HELP!!! What is social reform?? I can't find the answer anywhere and i have noooo Idea!?!?!

Which of the following lines is an example of parallelism

y=2x-3 and y=-3x+7 using substitution

what term describes the tendency of a moving object to continue moving at the same velocity unless an unbalanced force acts on it? A. inertiaB. Friction C. Grav

Help with math please!

Which literary device does Dickinson begin with the phrase "setting sun"? alliteration metaphor personification sarcasm

Is 4/16 equivalent to .25 if so why?