janeydoety janeydoety

16-01-2022
Mathematics

contestada

BE= 7x-12, CE=10x-5, and DE= 3x+4. What is the length of BD

BE 7x12 CE10x5 and DE 3x4 What is the length of BD class=

Respuesta :

silirobert15 silirobert15

16-01-2022

ABCD is a parallelogram ⇒ BE = DE

So: 7x - 12 = 3x + 4

⇔ 7x - 3x = 4 + 12

⇔ 4x = 16

⇔ x = 16/4 = 4

⇒ BE = 7(4) - 12 = 28 - 12 = 16

⇒ DE = 3(4) + 4 = 12 + 4 = 16

⇒ BD = BE + DE = 16 + 16 = 32

Answer: BD = 32

Ok done. Thank to me :>

Answer Link

Otras preguntas

Are 100 10 and 5 1 equivalent rates ? Pls answer quick

Worst battle of ww ii? Why would this not make a good question for launching historical inquiry

How does cpr differ in an unresponsive choking victim?.

12 is what percent of 24? What percent of 35 is 7? What percent of 90 is 9? 20 out of 60 is what percent?

On a coordinate plane, a parabola opens down with solid circles along the parabola at (negative 3, negative 5), (negative 2, 0), (negative 1, 3), (0, 4), (1, 3)

The function ((-1,2),(9-1),(-8,5),(2,-8)(?,9)has the same set for its domain and range. Find the missing value from the function. The missing value is _____.

A car and a truck, starting from rest, have the same acceleration, but the truck moves twice the length of time. Compared with the car, the truck will travel

The water was pumped out of a backyard pond. What is the domain of this graph? Water Depth 110 100 90 80 70 50 40 30 20 10 1 2 3 4 5 6 7 8 9 10 11 12 13 Time (m

Which statement best describes the role of oxygen in cellular respiration? OA. Oxygen molecules are a waste product of electron flow. B. Oxygen molecules form a

Read the excerpt from Walden. Sympathy with the fluttering alder and poplar leaves almost takes away my breath; yet, like the lake, my serenity is rippled but n