legend9243 legend9243

11-01-2018
Mathematics

contestada

Find the value of x in the diagram below.
1 7 7/15 15/7

Find the value of x in the diagram below 1 7 715 157 class=

Respuesta :

altavistard altavistard

13-01-2018

The trick here is to recognize that triangles ABE and CDE are similar.

Because they're similar, 14/18 = 3x/(4x-1).

Then 14(4x-1) = 18(3x). Multiplying as indicated, 56x - 14 = 54 x.

Solving for x: 2x = 14, and x = 7

Answer Link

Otras preguntas

What is the name of the fifth primary taste sensation identified in 1908 by a Japanese researcher?

Refer to Exhibit 4.1. What is the firm's return on invested capital? a. 15% b. 18% c. 20% d. 22%

What are the characteristics of igneous rocks that are grey/green and contain large, visible grains of plagioclase, amphibole, or pyroxene?

Procedure 1. Using the dropper vial, place a drop of the Sample 1 synthetic blood sample in each well typing slide. Close the cap on the dropper vial. To preven

3x + y = 19 4x-8y = 16 Substitution

Prove n⁷ < 2ⁿ for n ≥ 37 . (a) Use induction. (b) Use leaping induction.

Find 20000ϕ(20000) using the formula for the Euler ϕ-function. (b) Find ∣z₂₀₀₀₀∣and∣u₂₀₀₀₀∣. a)ϕ(20000)=8000, ∣z₂₀₀₀₀∣=20000, ∣u₂₀₀₀₀∣=19999 b)ϕ(20000)=12000, ∣

Is there foreshadowing in the story gift of the magi? What is it?

Which of the following muscles create movement when one contracts and the other extends? 1) Deltoid and trapezius 2) Hamstring and quadriceps 3) Abdominal and g

What is this f(x)=-4x-2 transitioned 6 units up to g(x)