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nasty-shy [4]
3 years ago
8

Simplify (5x−2+3x^2)+(4x+3)

Mathematics
1 answer:
Art [367]3 years ago
5 0

Answer:

3x^2 + 9x + 1

Or

3x ( x + 3 ) + 1

Step-by-step explanation:

(5x - 2 +3x^2 ) + (4x + 3 )

To make this a little bit more easier to read, you can remove the parentheses:

5x - 2 + 3x^2 + 4x + 3

Now, write in a way so that the like terms are next to each other:

3x^2 + 5x + 4x - 2 + 3

Now simplify the 'x' terms to get:

3x^2 + 9x - 2 + 3

Now, simplify the integers (the ones with now variables with them) to get:

3x^2 + 9x + 1

If you want, you can factor out the 3x for two of the terms to get :

3x ( x + 3 ) + 1

Therefore, your simplest form can either be 3x^2 + 9x + 1 OR 3x (x + 3 ) + 1

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D) Vivek is 30 years younger than his father. After 10 years their ages will be in the ratio 1:2. Find their present ages.​
tangare [24]

Answer:

I think Vivek is 20 and his father is 50

Because 30 + 30 equals 60 as he has to be half his age he'll be 30 but that's in 10 years time. you just subtract 30 and 60 by 10 and you'll get 20 and 50

6 0
3 years ago
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For every 30 minutes of tv airtime,there are 8 minute commercials.If 90 minutes of tv airtime are aired,how many minutes of comm
Alex777 [14]

Answer:

For 90 minutes of TV there will be 24 mins of commercials


Step-by-step explanation:

You start with 30 and keep adding 30 mins each time until you get to 90. (So..30..60..90) each time you add 30mins you add 8 more minutes to the commercials)

30 mins tv----8mins commercials

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Hope this helps, good luck!


8 0
3 years ago
Find the restricted values of x for 2/12x
maw [93]

Answer:

The restricted value is x=0

Step-by-step explanation:

We have been given the expression \frac{2}{12x}

This is a rational function. We know that the rational expression is undefined if denominator is zero.

Here, we will use this fact to find the restricted value (s) of \frac{2}{12x}.

Restricted values means the values for which the function is not defined.

The given function is not defined if the denominator is zero.

12x =0

x =0

Hence, the restricted value is x=0

3 0
3 years ago
(x + 20<br> Solve for x:<br> 2<br> = 3x<br><br><br> Ox= 10<br> Ox=4<br> Ox=-14<br> Ox=-17
maxonik [38]

Answer:

\pmb{x=10 }

Step-by-step explanation:

  • x+20=3x

  • 3x-x=20

  • 2x=20

  • x=20/2

  • x=10
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How do you find the volume of a cylinder, cone or sphere ​
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Answer:

Step-by-step explanation:

Cone. The volume of a cone is linked to the volume of a cylinder. A cone is one third of the volume of a cylinder. ...

Sphere. The volume of a sphere is ⁴/₃ × π × r³. ...

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