ImmortalFusedZamasu ImmortalFusedZamasu

01-08-2018
Mathematics

contestada

solve for y

A. 8

B.
[tex]3 \sqrt{7} [/tex]
C.
[tex]4 \sqrt{7} [/tex]
D. 12

solve for yA 8B tex3 sqrt7 texC tex4 sqrt7 texD 12 class=

Respuesta :

06-08-2018

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

[tex]\dfrac{y}{9}=\dfrac{7}{y}[/tex]

cross multiply

[tex]y^2=9\cdot7\to y=\sqrt{9\cdot7}\\\\y=\sqrt9\cdot\sqrt7\\\\y=3\sqrt7[/tex]

Answer: B. 3√7

Ver imagen gmany

Answer Link

Otras preguntas

Which among the given schemes offers a monthly instalment of less than Rs 5000. ?a) Scheme Ab) Scheme Bc) Scheme Cd) Both Scheme A and Scheme B

Maya must choose a number between 67 and 113 that is a multiple of 3, 5, and 10. Write all the numbers that she could choose. If there is more than one number,

What are the hallmarks of Abstract Expressionism?

what are the features of dot net ???

help me...............

In----- theory, the actual wishes that are threatening to the dreamers conscious awareness are disguised

The diameter of a cone is 34 ft. the height is 16 ft what is the volume in cubic ft?

find the surface area of the figure below. Round it to the nearest tenth.

Hi there! Can someone help me with my english homework please?

"My mother usually buy food at the market" make a sentence WH- question