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puteri [66]
2 years ago
5

Where on a number line is the set of numbers x for which:

Mathematics
1 answer:
sattari [20]2 years ago
3 0

a)\\|x| < 1\iff x < 1\ \wedge\ x > -1\\\\b)\\|x| < 5\iff x < 5\ \wedge\ x > -5\\\\c)\\|x| > 3\iff x > 3\ \vee\ x < -3

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MA_775_DIABLO [31]
In synthetic division, you start by bringing down the first 1 in the box.  Multiply that by the 1 outside the box and get a 1.  Put that new 1 under the 2 inside the box and add to get 3.  Multiply the  outside the box by that 3 to get 3 and put that new 3 under the -3 in the box and add to get 0.  Multiply that 0 by the 1 outside the box to get 0.  Put that 0 under the 2 and add to get the remainder of 2.  Your answer is 2, C.
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7 is less than nine
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F(u) = u − 1<br> u + 1<br> and g(u) = u + 1<br> 1 − u
Andrew [12]

Answer:

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Step-by-step explanation:

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2 years ago
Which statement correctly describes 2p−5
olga2289 [7]
The coefficient is 2 because it is being multiplied by the p. 
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Read 2 more answers
JUST ANSWER PLEASE!!! QUICK
jeka57 [31]

Answer:

<u>Options 1 and 3</u>

Step-by-step explanation:

We should know that, the system of linear equations can be treated as matrices, i.e: we can modify or make any operations provide that we must apply the same operation for all terms of each equation.

Given:  the solution for the following system is (2,9)

Px + Qy = R  ⇒(1)

Tx + Uy = V  ⇒(2)

We will check which system of equation has the same solution.

<u>System A)</u>  Px + Qy = R

                  (P+T)x + (Q+U)y = R+V  ⇒(3)

So, By summing (1) and (2) we will get the equation (3)

So, system A has the same solution (2,9)

<u>System B)</u> Px + Qy = R

                 (P+2T)x + (Q+2U)y = R-2V  ⇒(4)

By multiplying equation (2) by 2 and add with equation (1), we will get:

 (P+2T)x + (Q+2U)y = R+2V

Which is not the same as equation (4)

So, system B has not the same solution (2,9)

<u>System C)</u> (T-P)x + (U-Q)y = V-R  ⇒(5)

                  Tx + Uy = V  

By multiplying equation (1) by -1 and add with equation (2), we will get the equation (5)

So, system C has the same solution of (2,9)

<u>System D)</u> (T-P)x + (Q+U)y = V-R  ⇒(6)

                  Tx + Uy = V  

We cannot get equation (6) by the same operation over equation (1)

Note the coefficient of x and y⇒ (T-P) and (Q+U)

They must be (T+P) and (Q+U) <u>OR </u>(T-P) and (Q-U)

So, system D has not the same solution of (2,9)

<u>System E)</u> (5T-P)x + (5U-Q)y = V-5R ⇒ (6)

                  Tx + Uy = V  

By subtract equation (1) from 5 times equation (2), we will get:

(5T-P)x + (5U-Q)y = 5V-R

Which is not the same as equation (6)

So, system E has not the same solution (2,9)

As a conclusion, the systems which have the same solution are:

<u>Options 1 and 3</u>

5 0
2 years ago
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