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Natalka [10]
2 years ago
13

Which quadrilateral has four right angles and four sides of equal length?

Mathematics
2 answers:
olasank [31]2 years ago
8 0

Answer:

Square.

Step-by-step explanation:

A square is a rectangle, but a rectangle is not a square.

Levart [38]2 years ago
7 0

Answer:

A square

Step-by-step explanation:

The file below can help you out understand the properties of the square better!

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Consider a game in which players draw playing cards one at a time from a standard 52-card deck. If a player draws a face card (a
aev [14]

Answer:

Expected value of drawing a card in this game on the first turn = 6

Step-by-step explanation:

Given - Consider a game in which players draw playing cards one at a time from a standard 52-card deck. If a player draws a face card (a jack, a queen, or a king), the player is awarded 16 points. Any other card drawn earns the player 3 points.

To find -  What is the expected value of drawing a card in this game on the first turn?

Formula used -

Expected value, E[x] = ∑ x p(x)

where p(x) is the probability

Proof -

Total cards in a standard deck = 52

Total face cards = 12 (a jack, a queen, or a king)

Other cards = 40

Now,

Probability of getting a face card = \frac{12}{52}

Probability of getting a other card = \frac{40}{52}

So,

Expected value, E[x] = ∑ x p(x)

                                  = (16)(\frac{12}{52}) + (3)(\frac{40}{52})

                                  = \frac{192}{52} + \frac{120}{52}

                                  = \frac{312}{52}

                                  = 6

∴ we get

Expected value of drawing a card in this game on the first turn = 6

So,

The correct option is - B. 6 points

4 0
2 years ago
Find the value of x.
grandymaker [24]
I think X is 2. But I am not sure, cuz I don’t know what you teacher is really asking you to do.

8 0
2 years ago
Cual es la relacion entre <a y <b?
RideAnS [48]

Answer:

Angulos suplementarios

7 0
2 years ago
If mZMNO = 95°, mZADC = 101°, and mZMLO = 80°, then what is m/ABC, in degrees?
dem82 [27]

Answer:

This is your answer.

Step-by-step explanation:

There are different kinds of angles:

Angles below 90= Acute

90= Right

91–179= Obtuse

180= Straight Angle

181–359= Reflex Angle

360= Complete Angle or Circle.

Because 80 degrees is less than 90 degrees, Angle ABC is an acute angle.

8 0
1 year ago
Write as a polynomial (3p–1)(2p+5)–6p(p–2)
julsineya [31]

\text{Simplify:}\\\\(3p-1)(2p+5)-6p(p-2)\\\\\text{Use FOIL:}\\\\6p^2+13p-5-6p(p-2)\\\\6p^2+13p-5-6p^2+12p\\\\\text{Combine like terms:}\\\\13p+12p-5\\\\\boxed{25p-5}

8 0
3 years ago
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