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Tatiana [17]
2 years ago
6

In a well-shuffled, standard 52 card deck, what is the probability that a card is a Queen, given that it is a black card

Mathematics
2 answers:
yuradex [85]2 years ago
8 0

Answer:

2/52

Step-by-step explanation:

dlinn [17]2 years ago
7 0
There are two black queens in a standard deck, so the probability is 2/52 or 1/26.

If instead you know you pulled a black card from the deck and you’re wondering what the probably is that it’s a queen, then it’s 2/26, since there are still 2 black queens, but only 26 black cards.
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GIVING 20 POINTS I NEED IT ASAP
Elza [17]

Answer:

AC= 5x - 3

Step-by-step explanation:

Segments Addition:

AB + BC = AC

(2x+12) + 3x-15 = AC

5x - 3 =AC

4 0
2 years ago
What is the mode for this set of data? 5,6,13,2,6,11,6,5,3,14
alex41 [277]

Answer:

6

Step-by-step explanation:

6 appears the most

7 0
3 years ago
Read 2 more answers
Shown here is the graph of a function f.
vazorg [7]

Answer:

C) They are the same.

Step-by-step explanation:

<u>The function f(x) has points as per graph:</u>

  • f(1) = 9
  • f(3) = 1

<u>So the points are:</u>

  • (1, 9) and (3, 1)

<u>Rate of change for f(x):</u>

  • (1-9)/(3-1) = - 8/2 = -4

<u>The function g(x) has points:</u>

  • g(1) = -1² + 10 = 9
  • g(3) = -3² + 10 = 1

<u>So the points are:</u>

  • (1, 9) and (3, 1)

<u>Rate of change for f(x):</u>

  • (1-9)/(3-1) = - 8/2 = -4

As we see both functions have same rate of change over the interval [1, 3]

<u>The answer choice is: </u>C) They are the same

6 0
2 years ago
How can the transformation shown be described? Check all that apply. dilation isometric transformation nonrigid transformation r
sasho [114]

Answer:

C). Nonrigid transformation.

F). Stretch

Step-by-step explanation:

Transformation in mathematics is defined as the alteration or variation in the shape of an object without altering the lengths by using a flip, turn, slide, or resizing.

The transformation 'Hexagon ABCDEF → hexagon A'B'C'D'E'F'' would best be described as the 'non-rigid' and 'stretch' transformation. Non-rigid because it alters the shape or size of the figure both vertically as well as horizontally. It would be considered a stretch transformation as it is resized by a pull from both the vertical and horizontal angles. Thus, <u>options C and F</u> are the correct answers.

3 0
3 years ago
Read 2 more answers
Kwame bought a car for $25,000. The value of the car is decreasing at a rate of 6.5% each year. Write a function that represents
sweet-ann [11.9K]
<h3><u>The function that represents the price P of the car after x years is:</u></h3>

P = 25000(0.935)^x

<em><u>Solution:</u></em>

<em><u>The decreasing function is given as:</u></em>

y = a(1 - r)^t

Where,

y is future value

a is initial value

r is decreasing rate in decimal

t is time period

From given,

a = 25000

r = 6.5 \% = \frac{6.5}{100} = 0.065

number of years = x

future value = P

Therefore,

P = 25000(1 - 0.065)^x\\\\P = 25000(0.935)^x

Thus the function is found

8 0
3 years ago
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