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lesantik [10]
3 years ago
8

What is the meaning of the ∝ sign?

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
8 0

Answer:

"proportional to"

Step-by-step explanation:

The sign ∝ means 'is proportional to'. This is used to show that one variable of value is proportional to another value or variable.

Example:

  • x ∝ y ('x' is proportional to 'y')

Hope this helps.

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What is 27% as a fraction in the simplest
Norma-Jean [14]

Answer:

0.27

explanation

<u>27</u>

100

8 0
3 years ago
The sum of the number is 103.the second number is 4 times the third.the third number is 5 more then the first .what are the numb
Zigmanuir [339]

Answer:

13, 18, 72

Step-by-step explanation:

let x-5 represent the first number, since the first number is 5 less than the third number. let x represent the third number. let 4x represent the third number, since it's four times greater than the third number.

set up an equation, and make it equal to 103:

x-5+x+4x=103

solve:

6x-5=103

6x=108

x=18

so, the third number is 18.

the first number is equal to x-5, so:

18-5=13

the second number is equal to 4x, so:

4(18)=72

so, the three numbers are 13, 18, and 72.

4 0
2 years ago
Suppose there are 8 blue, 4 green, 11 yellow, and 7 red buttons in a bag. If you randomly pick out one button, what is the proba
STALIN [3.7K]
11/29 i believe. Cuz you add them all together and get 29 and then red and green added together is 11 
5 0
3 years ago
Read 2 more answers
If f ( x ) = 3x² - 5x + 7 , Show that f ( -1 ) = 3 f ( 1 ) .<br><br><br><br><br>Tysm :')​
Lelechka [254]

Solution :

  • 3x² - 5x + 7

put x = -1

  • 3(-1)² - 5(-1) + 7

  • 3(1) + 5 + 7

  • 3 + 12

  • 15

Now, put x = 1

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  • 3(1) - 5 + 7

  • 3 + 2

  • 5

here :

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  • f(-1) = 3(5)

  • f(-1) = 3 f(1)

4 0
2 years ago
Factor 64x² + 114x + 81
slavikrds [6]
The answer is 64x^2+114x+81. Hope this helps.
3 0
3 years ago
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