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Nostrana [21]
3 years ago
10

Is 21.192 rational or irrational and why

Mathematics
1 answer:
UNO [17]3 years ago
4 0
It is rational, since the number sounds up to the value of .192 evenly.
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Why might algebra tiles not be a good tool to use to factor x² + 18x +80
anyanavicka [17]

Answer:

Algebra tiles would not be a good tool to use to factor because you would need to drag an x-squared tile, 18 x-tiles, and 80 plus tiles and  it would take a lot of time to drag that many tiles on the board and there might not be enough space to hold all of them. and do u have time to drag 80 tiles? lol

Step-by-step explanation:

6 0
4 years ago
Please please help I really need it today please show work
Cerrena [4.2K]

Answer:

<u><em>x=9</em></u>.

<em><u>perimeter=68</u></em>

<em><u>area=168</u></em>

Step-by-step explanation:

First find the side that has a exact number which would be the bottom 28cm then look at the opposite side (2x+10) in order to find x subtract 10 from 28 which gives you 18, now 2x means x multiplied by 2 so what multiplied by 2 = 18? 9 meaning <u><em>x=9</em></u>. Now you are going to want to plug 9 in to your short side (x-3) once you plug it in it should look like this 9-3 and 9-3=6 meaning the short side is 6cm. In order for you to find the perimeter you have to add the sides together so 28+28+6+6 wich <u><em>=68</em></u> and in order for you to find the area you have to  multiply the length and the width so 28x6 which is <em><u>168</u></em>.

hope that helped :)

4 0
3 years ago
Read 2 more answers
Which is the solution to the inequality? y + 15 less-than 3 y less-than negative 12 y greater-than negative 12 y less-than 18 y
nataly862011 [7]

The solution to the inequality is y < -12 ( y less than negative 12).

Step-by-step explanation:

Given inequality is;

y + 15 less-than 3

y+15<3

For solving the inequality, we will subtract 15 from both sides in order to find y.

Subtracting 15 from both sides of inequality

y+15-15

The solution to the inequality is y < -12 ( y less than negative 12).

Keywords: inequality, subtraction

Learn more about subtraction at:

  • brainly.com/question/11207748
  • brainly.com/question/11280112

#LearnwithBrainly

6 0
4 years ago
Read 2 more answers
Find the difference.<br><br> 8 1/4−3 5/6<br> A. 5 5/12<br> B. 4 3/4<br> C. 5 3/4<br> D. 4 5/12
BaLLatris [955]
Old but don’t mind me I need to try this
7 0
3 years ago
The product of two consecutive odd integers is equal to 3 times the largest integer. Find the integers.
Elanso [62]
The odd integers are 3 and 5, because their product is 15 and 3 *5 =15.
6 0
3 years ago
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