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Nutka1998 [239]
3 years ago
14

Make a list of 5 numbers with a mean of 12 and a mode of 15

Mathematics
1 answer:
mixas84 [53]3 years ago
4 0
25 is the answer for this qesution
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(X-3) (2x-3)= (x-3) (x+1) solve for x
yanalaym [24]

(x  - 3)(2x - 3) = (x - 3)(x + 1)

Do the multiplication both sides,

2 {x}^{2}  - 9x + 9 =  {x}^{2}  - 2x - 3

Arrange the terms to LHS according to their variables,

2 {x}^{2}  -  {x}^{2}  - 9x  +  2x + 9 - 3 = 0 \\  {x}^{2}  - 7x  + 6 = 0


Factorise this polynomial

{x}^{2}  - 6x - 6x + 6 = 0 \\ x(x - 6) - (x - 6) = 0 \\ (x - 1)(x - 6) = 0


So what we notice here is when you're multiplying two numbers you're getting 0 as answer.

So one of them must be 0.

If (x-1) is 0
then x = 1

similarly,

x-6=0

then, x= 6.


So the possible values of x are 1 and 6.
7 0
3 years ago
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Why is 1/6 greater than 1/8 but less than 1/3
almond37 [142]
Because u have to focus on that last number if the last number is greater or less thats the answer
5 0
3 years ago
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Which of the following linear expressions CANNOT be factored?
Rzqust [24]

It's really easy lol the answer is A) 15x+22

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3. Rewrite the expression as simply as you can:<br> 3x + 11y - 2x - 4y
vfiekz [6]

Answer:

x+7y

Step-by-step explanation:

First off, lets split the question into both x and y.

3x - 2x for the x

11y - 4y for the y

You can solve both of them to get x + 7y

3x - 2x = x

11y - 4y = 7y

Then, add them back up and get x + 7y

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Answer:just hart me n I will help

Step-by-step explanation:

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3 years ago
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