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Irina18 [472]
4 years ago
11

What property is (x+y)+z=x+(y+z)

Mathematics
1 answer:
Agata [3.3K]4 years ago
4 0
Associative Property if Addition
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Consider the following 8 numbers, where one labelled x is unknown. 42, 47, 5, x , 18, 12, 50, 1 Given that the range of the numb
Dahasolnce [82]
<h3>The two possible values for x are x = 60 and x = -9</h3>

===========================================================

Explanation:

Let's assume that x is the largest value of the list. If so then x = 60 because

range = max - min

range = x - 1

range = 60-1

range = 59

Effectively, you work backwards to go from a range of 59 to have x = 60 as the max.

So x = 60 is one possible value. We can't have x any larger or the range would be larger.

But we can have x be smaller. Specifically, it would be the min of the list. If negative x values are allowed, then x = -9 is the other possible x value

Here's why

range = max - min

range = 50 - x

range = 50 - (-9)

range = 50+9

range = 59

3 0
3 years ago
I have to finish this packet for tomorrow and I need help with this question
timofeeve [1]

The answer is b

If you go backwards on a number line, you are subtracting--which is the same as adding a negative.

First you go backwards 3 numbers, and then to get to -7, you went down (decreased) by 4 more, or subtracted 4 (added a negative 4)

3 0
4 years ago
What equation is solved by the graphed systems of equations? 7x + 3 = x + 3 7x − 3 = x − 3 7x + 3 = x − 3 7x − 3 = x + 3
Romashka [77]
It's the first option, I'm pretty sure.
Hope this helps!!
3 0
4 years ago
Are my answers correct?
Alenkasestr [34]
Yes because 100+100+120=320
360-320=40
X=40
7 0
4 years ago
What integer values satisfy both inequalities?<br> − 3 &lt; x &lt; 2 x &gt; − 1
anzhelika [568]

Answer:

its 1!

Step-by-step explanation:

1 is greater than -3, and 2*1 (2) is greater than -1 :)

5 0
2 years ago
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