ImmortalFusedZamasu ImmortalFusedZamasu

01-08-2018
Mathematics

contestada

Solve For Z

A. 12

B.
[tex]4 \sqrt{7} [/tex]
C.
[tex]3 \sqrt{7} [/tex]
D. 51

Solve For ZA 12B tex4 sqrt7 texC tex3 sqrt7 texD 51 class=

Respuesta :

06-08-2018

Triangle ABC and triangle BCD are similar, therefore the sides are in proportion:

[tex]\dfrac{z}{9+7}=\dfrac{7}{z}[/tex]

cross multiply

[tex]z^2=16\cdot7\to z=\sqrt{16\cdot7}\\\\z=\sqrt{16}\cdot\sqrt7\\\\z=4\sqrt7[/tex]

Answer: B. 4√7

Ver imagen gmany

Answer Link

Otras preguntas

French!! ---------------------- Substitute the underlined word with a direct object pronoun: Est-ce que tu aimes regarder la télévision? Est-ce que tu l'aimes r

What is a good SAT score to graduate high school in Florida?goof sat score to graduate in Florida?

World war 1 alliance that included great britain france and russia

An end table costs $69.85 today. If the CPI is 194, what would an end table cost in 1983, to the nearest cent? a. $135.51 b. $124.15 c. $36.00 d. $23.76

Christopher is analyzing a circle, y2 + x2 = 121, and a linear function g(x). Will they intersect? Yes, at positive x coordinates Yes, at negative x coordinat

What problems threatened the peace after ww1

Please help haveing a hard time with this one

In a particular game, a spinner with four equally-sized sectors labeled 1, 4, 6, and 8 is spun twice. One turn is considered 2 spins of the spinner. If the sum

The " Patriots" were Americans fighting for freedom.is this true or false

14) through: (-3,5), slope = -1A) y=-x + 2 B) y = x + 2C) y = 2x +1 D ) y=-2x +1