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Leni [432]
3 years ago
15

Can x in f(x) be replaced by another letter? For example f(a);Would that be the same thing?

Mathematics
2 answers:
Fantom [35]3 years ago
7 0

Answer: It should be the same thing. The x and the a just represent variables. If you had f(2) you would plug that in the x spot, so it should be the same if it were a instead of x.

Step-by-step explanation:

Murljashka [212]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

X is just an unknown variable which can be substituted as another variating condition. I.E Function of x can be written as Function of a. If no other condition is present.

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Ms. Higgins would like for her homework assignments to have three addition problems for every five subtraction problems. If she
NikAS [45]

Answer: 65

3:5=35:x

solve for x

4 0
2 years ago
-3x-y=-17 4x + 2 y equals 20
ExtremeBDS [4]
-3x - y = -17
4x + 2y = 20

multiply one part of the equation so that we can be able to use the process of elimination.

(-3x - y = -17)2
4x + 2y = 20

Now we have:

-6x -2y = - 34
4x+2y= 20
------------------------
-2x = -14

Divide -2 on both sides.

-2x = -14
/-2       /-2

x = -7.


=============================================

To solve for y, we just have to substitute the value of x to any of the equation given above, that we feel comfortable with. And I'm going to choose this equation: 4x + 2y = 20


4x + 2y = 20

4(-7) + 2y = 20

-28 + 2y = 20

Add 28 on both sides

-28 + 2y = 20
+28          +28
---------------------
2y = 48
/2      /2

y = 24.


The last thing you would do is to check if the answers is correct.
All you have to do is plug in the values of x and y into both equations and see if they equal to one another.

You may have to do this by yourself :P

Anyways, if you have any questions about this topic, feel free to PM me or any other users interested. Thank you for being part of Brainly! Have a nice day!










4 0
2 years ago
during their last game a football team lost a total of 12 yards on three consecutive plays. They lost the same number of yards o
Paha777 [63]

Answer:

Theres 4 yards each play,

Step-by-step explanation:

6 0
3 years ago
2. Si x representa la edad de Ana, ¿cómo se
defon
Si coma Ana¿ la Mitad de la edad
5 0
3 years ago
graph the solutions of the inequality on a number line. Describe the solution to the inequality. p > 4
inysia [295]

Draw out a number line. Make sure 4 is on the number line. At this location, plot an open circle. The open circle indicates "do not include this endpoint as part of the solution set". We shade to the right of this open circle.

Visually this describes all real numbers that are larger than 4.

5 0
2 years ago
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