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tatiyna
3 years ago
12

What is the conjugate of 12 - sqrt 5

Mathematics
2 answers:
Lyrx [107]3 years ago
7 0
12+sqrt 5, is your answer, hoped this helped, 
Nataliya [291]3 years ago
5 0

Answer:

the conjugate of  12-\sqrt{5} is  12+\sqrt{5}

Step-by-step explanation:

the conjugate of 12 - sqrt 5

In general , the conjugate of a+bi is a-bi

to get the we change the sign in the middle

Change the negative sign to positive sign before the square root

the conjugate of  12-\sqrt{5} is  12+\sqrt{5}

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9) -4x+y+6z

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2 years ago
Does any know how to solve this problem
victus00 [196]

Answer: I cant see it

3 0
3 years ago
1) What is the solution to x - 5 = 27?
Phoenix [80]
X - 5 = 27

Isolate the x, add 5 to both sides (because of equal sign)

x - 5 = 27
x - 5 (+5) = 27 (+5)
x = 27 + 5
x = 32

x = 32 is your answer

hope this helps
3 0
3 years ago
Find the equation of the line through (0,4) perpendicular to the line y = 3x
Rufina [12.5K]

Answer:

y =  -  \frac{1}{3} x + 4

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

The product of the gradients of perpendicular lines is -1.

Gradient of given line= 3.

(Gradient of line)(3)= -1

3m= -1

m= -  \frac{1}{3}

subst. m= -  \frac{1}{3} into the equation:

y =  -  \frac{1}{3} x + c

To find the value of c, substitute a coordinate.

When x=0, y=4,

4 =  -  \frac{1}{ 3} (0) + c \\ 4 = c \\ c = 4

Thus the equation of the line is y =  -\frac{1}{3} x + 4.

3 0
3 years ago
Which triangle defined by three points on the coordinate plane is congruent with the triangle illustrated, and why?
HACTEHA [7]
The triangle defined by three points on the coordinate plane is congruent with the triangle illustrated:

C) (4,2); (8,2); (4,8) because the corresponding pairs of sides and corresponding pairs of angles are congruent. 

If we plot these points we can observe that they are congruent, we should also solve for the distance of each point between each other to conclude their congruency. 
4 0
3 years ago
Read 2 more answers
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