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

One of the PRIMARY reasons that trade between nations takes place is because

What is 1569 times 4789

a car travels from A to city B. for the first 30 minutes, the car travels at the constant speed of 45 mph. the car speed up and travels at 60 mph for the next 2

Which of the following represents the area of a rectangle whose length is 5x

______ attract objects made of iron

Please help me. I'm still trying to understand parabolas. Find the axis of symmetry of the parabola. a. y = 0b. y = –1c. x = 0d. x = –1

Lorenzo went to the store with $20. He bought some cans of soup for $2 each and a gallon of milk for $3. He had $1 left over. This equation gives s, the number

I need help on this, I have no idea what I’m doing

The only internet service used more frequently than the web is ___, which is a system for exchanging messages through a computer network.

The arms race was an important part of the Cold War conflict between the United States and the Soviet Union. During this period, many people were afraid that a