All categories

2 years ago

(3) Find the value of x.

Mathematics

1 answer:

jek_recluse [69]2 years ago

3 0

Answer:

x=4

Step-by-step explanation:

since triangles are proportional by 2:1, then:

16/2=3x-4

8=3x-4

3x=12

x=4

You might be interested in

Find the unit vector in the direction of (4,-4). Write your answer in component form. Do not approximate any numbers in your ans

aniked [119]

Answer:

$(\frac{1}{\sqrt{2} }, \frac{-1}{\sqrt{2} } )$

Step-by-step explanation:

The unit vector for a nonzero vector, say u, in the direction of u is given by:

û = $\frac{u}{|u|}$ ---------------(i)

Where;

|u| = magnitude of vector u

From the question;

u = (4, -4)

First let's calculate the magnitude of u as follows;

|u| = $\sqrt{(4)^2 + (-4)^2}$

|u| = $\sqrt{16 + 16}$

|u| = $\sqrt{32}$ = $4\sqrt{2}$

Now, substitute u and |u| into equation (i) as follows;

û = $\frac{(4, -4)}{4\sqrt{2} }$

û = $(\frac{4}{4\sqrt{2} }, \frac{-4}{4\sqrt{2} } )$

û = $(\frac{1}{\sqrt{2} }, \frac{-1}{\sqrt{2} } )$

Therefore, the unit vector is $(\frac{1}{\sqrt{2} }, \frac{-1}{\sqrt{2} } )$

7 0

3 years ago

Find P(2) using this probability distribution. Round to 2 decimal places as needed.

yuradex [85]

Answer:

P (2) = 0.1

Step-by-step explanation:

The table has X and P(X), you have to search the X and see its P(X) and thats the probability

7 0

3 years ago

This is hard pls help.

Ksivusya [100]

Answer: 100, LORD OF MERCY, HOW DO YOU NOT KNOW THIS :sob: anyways if you need more help dm me on discord nishimiya#0001

6 0

3 years ago

What is the square root of -1 ?

zavuch27 [327]

Answer:

Step-by-step explanation:

it is an imaginary number

3 0

3 years ago

What is 1 plus 6 mines 2 plus 5

Nezavi [6.7K]

Answer:

Step-by-step explanation:

1+6=7

7-2=5

5+5=10

4 0

3 years ago

Read 2 more answers