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Lisa [10]
3 years ago
8

A letter that represents an unknown number is

Mathematics
2 answers:
Ganezh [65]3 years ago
8 0
Hey there! Hello!

I believe what this question (more of a statement) is asking is to identify what a letter that represents an unknown number is called. Most of the time, i refer to it as just a variable, or an unknown variable. It can also be referred to as just an unknown value. 

Feel free to ask me any additional questions if you have any! :-)
aleksandr82 [10.1K]3 years ago
7 0
The variable that's what it is called.. it could be represented with any letter but x most of the time
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2x + 5 = 25<br><br><br> NEED HELPL!!!!!
Helen [10]

Answer:

10

Step-by-step explanation:

2x+5=25

25-5=20

20/2=10

5 0
3 years ago
What is the value of x6+y2 when x equals 1 and y equals 11
Kazeer [188]

Answer:

28

Step-by-step explanation:

x equals 1

y equals 11

you would plug the numbers in

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3 years ago
Manny ordered 16 skateboard wheels. If he sold 4 wheels to Brad, how many skate boards can he put wheels on if each board 4 whee
alexgriva [62]
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3 years ago
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What is 0.386,0.3,0.683,0.836 from greatest to least
Ymorist [56]

Answer:0.3, 0.386,0.683,0.836


Step-by-step explanation:

You look left to right in the numbers (0.12,0.12)

4 0
3 years ago
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13. Find the vertex of f(x)=x2 -6x +8 .
Mekhanik [1.2K]

9514 1404 393

Answer:

  a  (3,-1)

Step-by-step explanation:

The number that "completes the square" is the square of half the x-coefficient, (-6/2)^2 = 9. Rearranging the given function to include the square trinomial, we have ...

  f(x) = x^2 -6x +9 -1 . . . . . . . here, we have 8 = 9 - 1

  f(x) = (x -3)^2 -1 . . . . . . . . . . vertex form

Comparing this to the generic vertex form ...

  f(x) = (x -h)^2 +k . . . . . . . vertex at (h, k)

we see that h=3 and k=-1.

The vertex is (h, k) = (3, -1).

6 0
3 years ago
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