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Lynna [10]
2 years ago
8

I NEED HELP PLEASE and thx ​

Mathematics
1 answer:
Galina-37 [17]2 years ago
3 0

Answer:

Step-by-step explanation:

a.

By multiplying -2x by 3 to get -6x, which will cancel out with 6x.

b. We could also multiply -4y by -2 to get 8y, so it cancels out with -8y.

Hope this helps!

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A simple random sample is free from any systematic tendency to differ from the population from which it was drawn.
Ket [755]

Answer:

Pretty sure that it is False

Step-by-step explanation:

Sampling variation, random samples dont really reflect the population from where i is drawn, but it is close.

4 0
3 years ago
Help....................
Romashka-Z-Leto [24]

Answer:

The interquartile range is <em>50.</em>

Step-by-step explanation:

To find our answer we have to first <em>quartile 1</em> and <em>quartile 3</em> are equal too. When we look at the plot <em>quartile 1  </em>is equal to <em>20,</em> <em>quartile 3 </em>is equal to <em>70</em> because it is in between <em>60</em> and <em>80</em>.  Now to find the interquartile range we will <em>subtract 70</em> from <em>20</em> and we get <em>50</em>.  Therefore, <u><em>50</em></u><em> is our answer.</em>

7 0
3 years ago
Read 2 more answers
Simplify the expression.<br> −(−x)3 − x3
Olenka [21]

Answer:

0

Step-by-step explanation:

-(-x) ^3-x^3

x^3-x^3

=0

4 0
3 years ago
-x-1=5 can somebody answer this fo me THX :)
Nitella [24]

Answer: -6

Step-by-step explanation:

-x-1=5

-x=5+1

-x=6

divide both sides by -1

x=-6

8 0
3 years ago
Read 2 more answers
At 10:00 a.m., Han and Tyler both started running toward each other from opposite ends of a 10-mile path along a river. Han runs
Dominik [7]

Answer:

2.5 miles, 5 miles, no

Step-by-step explanation:

3 0
3 years ago
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