kayla9316 kayla9316

23-08-2019
Mathematics

contestada

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

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

Respuesta :

Cricetus Cricetus

25-08-2019

Answer:

DE=11 UNITS

Step-by-step explanation:

Given AC=CD

And AC=2AB as B is the mid point of AC

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

6x+8=11x-17

11x-6x=17+8

5x=25

x=5

Hence AC=11(5)-17= 55-17=38

AC =CD = 38

CE = 49

Hence DE = CE-CD= 49-38 = 11

units

Ver imagen Cricetus

Answer Link

Otras preguntas

SOLVE THIS PROBLEM ASAP PLS

All combustion reactions have oxygen as a reactant. True False

Which answer choice correctly describes the processes that build up and break up Earth's surface? * 3 points Weathering breaks rocks down into smaller rocks and

A 3 kg model airplane is traveling at a speed of 33 m/s. The operator then increases the speed up to 45 m/s in 2 seconds. How much force did the engine need in

Im doing a 30 question tes help

Here is a pattern made from sticks: T T 7 LI LV/ LV 시 a) How many sticks would be in pattern number 6? 28 b) How many sticks would be in pattern number n?

14) A gas has a volume of 2.5 L at a pressure of 0.66 atm. What will the volume be when the pressure is 1.2 atm?

Which is NOT an application of biotechnology A. DNA replication B. Genetic engineering C. Cloning D. DNA fingerprinting

A force F = −77 N is applied to an object with mass m = 74 kg. What is the acceleration of the object in m/s2

What mistake did Farah make in this experiment? Farah conducted the following experiment to check whether fabrics of different colours take different times to d