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vlabodo [156]
3 years ago
13

Find the slant height of this square pyramid.

Mathematics
2 answers:
melomori [17]3 years ago
6 0
The slant height is 5.19615 in 
Mandarinka [93]3 years ago
6 0
I dont know  5*686324
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Answer: Pearl

Step-by-step explanation:

In step 2, she justified her step by the definition of vertical angles. However, angles AKL and GKB do not share a common side, meaning they are not adjacent angles.

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2 years ago
Alice is baking a cake. She doesn’t intend to eat it, but tells you half of what you find is yours. She tells the same thing to
tankabanditka [31]

Answer: a) P = 0.5, b) P = 0.07

Step-by-step explanation:

Hi!

Lets call X₁ the time at which you arrive, and X₂ the time at which Bob arrives. Both are random variables with uniform density in the interval [0, 60] (in minutes). Their joint distribuition is uniform over the square in the image, with value P = 1/(60*60) = 1/3600.

a) For you to get more cake than Bob, you should arrive earlier. This event is A = { X₁ < X₂ }, the shaded triangle in the figure.The area of this event (set) is half the total area of the square, so P(A) = 0.5.

It makes sense, beacuse its equally probable for you or Bob to arrive earlier, as both have uniform density over the time interval.

b) In this case you arrive later than Bob, but less than 5 minutes later. So the event is B = { X₂ < X₁ < (X₂ + 5) } . This is the gray shaded area in b) part of the image. Its area is the difference two triangles (half square - blue triangle), then the probability is:

P(B) = 0.5 - \frac{(0.5*55^2)}{3600} =0.07

7 0
3 years ago
Jackson started writing a story at 8:30 AM He stopped writing at 1:15 P.M. How long did he write?​
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Answer: he wrote for an five hours and forty-five minutes

Step-by-step explanation:

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Nani!? Omae wa mou shindeiru
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3 years ago
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Brooke has to set up 70 chairs for the class talent show. But, there is not room for more than 20 rows.
den301095 [7]
If there are 70 chairs but only 20 rows then that means he will have to set up 3.5 chairs per row, or Brook could set up 14 rows with 5 chairs in each row.

Srry if that didn't help but that's what i got from that.
4 0
3 years ago
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