Seudónimo Seudónimo

24-08-2020
Mathematics

contestada

If B is the midpoint of AC, AC=CD, AB=3x+4, AC=11x-17, and CE=49, find DE.

If B is the midpoint of AC ACCD AB3x4 AC11x17 and CE49 find DE class=

Respuesta :

KurdishPotato KurdishPotato

24-08-2020

Answer:

11

Step-by-step explanation:

AB = 3x + 4 and AC which is twice of AB is equal to 11x - 17

2 (3x + 4) = 11x - 17

6x + 8 = 11x - 17

8 + 17 = 11x - 6x

25 = 5x

5 = x

AC = CD = 11x - 17 ➡ 11×5 - 17 = 38

CD = 38 and DE = 49 - 38 = 11

Answer Link

Otras preguntas

Solve for " x " --- 20/x = 4/9 ? explain. (:

Explain what force caused the movement of the continents from one supercontinent to their present positions

What's an equivalent ratio to 12:10 ? ( explain also too please! :D )

When two fractions are between 0 and 1/2, how do you know which fraction is greater? Explain

what is the numerical expression for half the sum of 11 and negative 3andthe absolute value of negative 62

in an A.P,the sum of first ten terms is -150 and the sum of next 10 terms is -550.Find the A.P

After sales tax is added the total cost of a $58 purchase $61.48 what is the sales tax rate on the purchase?

A speedy river barge bound for New Orleans, Louisiana leaves Baton Rouge at 9:00 a.m. and travels at a speed of 10 miles per hour. A rail transport freight also

_____ Na3PO4 + _____ KOH arrow _____ NaOH + ___________K3PO4How do I balance this equation?

Explain what force caused the movement of the continents from one supercontinent to their present positions