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Vaselesa [24]
3 years ago
9

chad randomly chooses a card from a standard deck 30 times. what is the probability he gets a diamond exactly 4 times

Mathematics
1 answer:
Margarita [4]3 years ago
4 0

Answer:

From a standard deck of cards, one card is drawn. What is the probability that the card is black and a jack? P(Black and Jack) P(Black) = 26/52 or ½ , P(Jack) is 4/52 or 1/13 so P(Black and Jack) = ½ * 1/13 = 1/26 A standard deck of cards is shuffled and one card is drawn. Find the probability that the card is a queen or an ace.

Step-by-step explanation:

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Two lines, A and B, are represented by equations given below: Line A: y = x − 2 Line B: y = 3x + 4 Which of the following shows
gavmur [86]

The solution to the system of equations is (-3, -5) because the point satisfies both equations

<h3>What is a linear function?</h3>

A linear function is in the form:

y = mx + b

Where m is the slope (rate of change) and b is the y intercept

Line A:

y = x − 2  (1)

Line B:

y = 3x + 4   (2)

Solving both equations simultaneously gives:

x = -3, y = -5

The solution to the system of equations is (-3, -5) because the point satisfies both equations

Find out more on linear function at: brainly.com/question/4025726

6 0
2 years ago
Um terreno retangular possui o comprimento cinco vezes maior que a largura. Sabendo que o perímetro desse terreno é igual a 180
icang [17]

Responder:

15 m e 75 m

Explicação passo a passo:

Deixar :

Largura = x

Comprimento = 5x

Perímetro = 180

Já o terreno tem uma forma retangular; usamos a relação;

Perímetro = 2 (comprimento + largura)

180 = 2 (5x + x)

180 = 2 (6x)

180 = 12x

180/12 = x

15 = x

Largura = x = 15 metros

Comprimento = 5x = 15 * 5 = 75 metros

Medida de largura e comprimento, respectivamente:

15 m e 75 m

6 0
3 years ago
How many pounds are equivalent to 40 oz​
Tanzania [10]

Answer:

Step-by-step explanation:

40 ounces equal 2.5 pounds (40oz = 2.5lbs). Converting 40 oz to lb is easy.

4 0
4 years ago
Read 2 more answers
In how many months were there more than two days with thunderstorms?
Pie

Answer:

5

Step-by-step explanation:

March,May,June,July,August

3 0
4 years ago
What is 17.210.000.000 written in scientific notation?​
lina2011 [118]

Answer:

i got 1.721 x 10^10 :)

8 0
3 years ago
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