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Svet_ta [14]
3 years ago
7

Use the following graph to answer questions 1-3.

Mathematics
1 answer:
mart [117]3 years ago
5 0

Answer:

m = 7/5

b = 7

y = 7/5x + 7

Step-by-step explanation:

points (-5,0)  (0,7)


slope  = (y2-y1)/ (x2-x1)

        = (7-0)/(0--5)

        = (7-0)/(0+5)

       = 7/5


y intercept = point where it crosses the y axis   (0,7)


y = mx+b

m = 7/5

b = 7

y = 7/5x + 7

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3 years ago
Three cards are drawn at random from a standard deck of cards, without replacement. Find the probability that the suits of the c
Evgesh-ka [11]

The probability that suits of cards are spades, hearts, and spades is 39/850 or 0.046.

According to the give question.

Three cards are drawn from a standard deck of cards without replacement.

Since,

The total number of cards in a standard deck = 52

Total number of spade cards = 13

Total number of heart cards = 13

Now,

The probabbility of getting first card as a spade card = 13/52 = 1/4

The probability of getting second card as heart card

= 13/(52 -1)     (cards are drawn without replacement)

= 13/51

The probability of getting third card as a spade card

= (13 - 1)/52 -2

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= 6/25

Therefore, the probability that suits of the cards are spades, hearts, spades

= 1/4 × 13/51 × 6/25

= 39/850

= 0.046

Hence, the probability that suits of cards are spades, hearts, and spades is 39/850 or 0.046.

Find out more information about probability here:

brainly.com/question/11234923

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