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Katena32 [7]
3 years ago
6

What is the conjugate of x-square root of 2

Mathematics
2 answers:
Nana76 [90]3 years ago
5 0
The conjugate of a binomial, is pretty much just the same thing, but with a different sign in between, so,

pelican + canary      conjugate => pelican - canary

a + b         conjugate => a - b

-a - b         conjugate => -a + b

and  so on, therefore

x - √2        conjugate => x + √2
Alexandra [31]3 years ago
4 0

Answer:

(x+\sqrt{2} )(x-\sqrt{2} )

Step-by-step explanation:

The conjugate is when you change the sign that is between two terms, like this:

(3x+1)(3x-1)

It is only used in expressions with two terms (called "binomials")

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70 students choose to attend one of three after school activities: football, tennis or running. There are 30 boys. 13 students c
sweet [91]

Answer:

13/35

Step-by-step explanation:

13 students choose football.

31 students choose tennis.

this leaves 26 students that chose running.

probability of choosing running is 26/70 = 13/35

4 0
3 years ago
Is 3.4 a real number
anzhelika [568]

Answer: Yes, it is a real number. 3.4 is a rational number and rational numbers are real numbers. So 3.4 is a real number.

3 0
3 years ago
Which of the following statements are true?
lana [24]

Answer:

B, C, E, & F

Step-by-step explanation:

Option A is incorrect because the equation Ax = b is referred to as a matrix equation, not a vector equation.

Option B is correct. If Ax = b has a solution, vector b will a linear combination of columns of matrix A.

Option C is correct. In a matrix equation, product Ax when defined, is a sum of products.

Option D is incorrect. If an augmented matrix [Ab] had a pivot position in every row, there could be a pivot in the last column which would make it inconsistent.

Option E is correct. If the columns of an m×n matrix A spanR^m, then the equation Ax=b is consistent for each b in

Option F is correct. IfA is an m x n matrix whose columns do not span, then the equation Ax = b is inconsistent for some b in R^m

Options B, C, E, and F are correct.

7 0
3 years ago
Please answer these questions!!
Yuri [45]

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4 0
3 years ago
Y divided by seven plus 6 equals 11
anygoal [31]
You answer should be y=35 let my know if I’m wrong hope this helps☺️
4 0
3 years ago
Read 2 more answers
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