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

Two dynamically similar hydraulic turbines operate with same effective head. If their speed ratio N1/N2 2, what is their power ratio, W1/W2 = ? a)- 0.25 b)- 4

Junction between a motor neuron and a skeletal muscle fiber 1) sarcoplasmic reticulum 2) junction 3) motor end plate 4) axon terminal

Which of the following is not a function of astrocytes? A) support and brace neuronsB) anchor neurons to blood vesselsC) guide the migration of young neurons, s

Be sure to answer all parts. Assume the diameter of a neutral helium atom is 1.40 × 102 pm. Suppose that we could line up helium atoms side by side in contact w

Which is the equation of a line perpendicular to the line y

If f(x) = 2x - 3 and g(x) = Radical over x-8, what is (fºg)(24)?

Solve (X-3)^2/3=9 (the ^ is an exponent)

Which of the following is not a function of astrocytes? A) support and brace neuronsB) anchor neurons to blood vesselsC) guide the migration of young neurons, s

There are 5 students in a small class. To make a team, the names of 2 of them will be drawn from a hat. How many different teams of 2 students are possible?

Let u = <-4, 1>, v = <-1, 6>. Find -2u + 4v