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AnnZ [28]
2 years ago
10

Which of the following doesn't describe a point?​

Mathematics
2 answers:
Veseljchak [2.6K]2 years ago
8 0

Answer:

It has infinite length, but no width and no thickness (It describes a Line )

Hope it helps...

Have a great day :P

Mekhanik [1.2K]2 years ago
3 0
If it has an infinite length but no width Does not describe a point
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Pick two cards at random from a well-shuffled deck of 52 cards (pick them simultaneously so they are not the same card). There a
Scrat [10]

Answer:

The variables X and Y are dependent.

Step-by-step explanation:

The variable <em>X</em> denotes number of face cards . That is it can take values,

<em>X</em> = {0, 1, 2 }

Compute the probability for all he values of <em>X</em> as follows:

P [X = 0] = P (None of the 12 card is chosen in either draw)

              = (40/52)×(39/51)

              = 1560/2652

              = 0.5882

P [X = 1] = P (One of the card is face card is selected)

              = 2×(40/52)×(12/51)

              = 960/2652

              = 0.3619

P [X = 2] = P (Two of the 12 card is chosen in the draw)

              = (12/52)×(11/51)

              = 132/2652

              = 0.0498

The variable <em>Y</em> denotes number of cards numbered 10 . Thus, it can take values:

<em>Y</em> = {0, 1, 2 }

P [Y = 0] = P (None of the 4 card is chosen in either draw)

              = (48/52)×(47/51)

              = 2256/2652

              = 0.8507

P [Y = 1] = P (One of the 4 card is chosen in either draw)

              = 2×(4/52)×(48/51)

              = 384/2652

              = 0.1448

P [Y = 2] = P (Two of the 4 card is chosen in the draw)

              = (4/52)×(3/51)

              = 12/2652

              = 0.0045

Now compute the probability of (<em>X</em> and <em>Y</em>).

P [X = 0 and Y = 0] = P(None of the 16 card is chosen in either draw)

                              = (36/52)×(35/51)

                              = 1260/2652

                              = 0.4751

The variables <em>X</em> and <em>Y</em> are independent if,

P [X = 0 and Y = 0]  = P [X = 0] × P [Y = 0]

                               =  P [X = 0] × P [Y = 0]

                               = 0.8507 × 0.5882

                               = 0.5204

The two values are not equal.

Hence, the variables X and Y are not independent.

7 0
3 years ago
Angle a and angle b are complementary . Find m angle A and M angle B. m
aliya0001 [1]

Answer:

Step-by-step explanation:

You haven’t gave me one of the angles

5 0
3 years ago
Carmen deposits $2000 into an account that pays simple interest at a rate of 3% per year. how much interest will she be paid in
STatiana [176]
Sn=So(1+p/100*2)

2000*(1+3/100*2)=2000(1+3/50)=2000*53/50=40*53=2120$

My answer:2120$
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2 years ago
Noon to 3:05 elapsed time
GrogVix [38]
Noon is 12, I'm guessing you mean both of these at am, or both at pm. 12-3 is 3 hours, but there's 5 extra, so the elapsed time would be 3:05.
6 0
2 years ago
What comes next in the following pattern?<br><br> 12, 11, 15, 14, __
Lelechka [254]
17,16. That what comes next I think
5 0
2 years ago
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