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Talja [164]
3 years ago
13

What is the sum of (4x+7)(x+6)

Mathematics
1 answer:
weeeeeb [17]3 years ago
3 0

Answer:

5

Step-by-step explanation:

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Cayden has several screws on a scale, and the scale reads 80.955g. Cayden adds 1 more screw, and the scale reads 84.81g. What is
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Answer:

The mass of the last screw added is 3.855 grams.

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if you take 84.81 and subtract the original mass you should get the weight that was added.

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2 years ago
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Emily had 30 cookies to bring to school for her birthday. Three students wanted two cookies each. Then, a new student came to th
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Find the volume of the prism. <br> 4.8 m<br> 10 m<br> 7.2 m
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Let x and y be independent each uniformly distributed on {1,2,...,n} find p(x &lt; y )
bulgar [2K]
If we draw the contingency table of x (vertical) against y (horiz.), we have a square.
For n=4, we have   (legend:  < : x<y   = : x=y   > : x>y

y      1  2  3  4
x
1      = <  <  <
2      > =  <  < 
3      >  >  = <
4      >  >  >  =

We see that there are n(n-1)/2 cases of x<y out of n^2.
Therefore, 
p(x<y)=n(n-1)/(2n^2)=(n-1)/(2n)

However, if the sample space is continuous, it will be simply p(x<y)=1/2.

8 0
2 years ago
I just need help with number 2, thank you
alekssr [168]

It represents the thing the avadocate needs to be muiltiplied by

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