MATHEMATICS HIGH SCHOOL

A card is drawn from a standard deck of 52 playing cards. find the probability that the card is a queen or a club. express the probability as a simplified fraction.

Answers

Answer 1
Answer:

The probability that the card is a queen or a club will be  (4)/(13) .

What is Probability ?

Probability is the ratio of the number of possible outcomes to the total number of outcomes.

Probability =(Number\ of\ possible\ outcomes)/(Total\ number\ of\ outcomes)

We have,

Standard deck of 52 cards,

So,

Total number of clubs in deck =13

So,

Total number of queens in deck =4-1=3

Now,

Total number of possible outcomes i.e.

The card is a queen or a club =3+13=16

So,

Probability =(Number\ of\ possible\ outcomes)/(Total\ number\ of\ outcomes)

                  =(16)/(52)=(4)/(13)

So,  the probability that the card is a queen or a club is (4)/(13) .

Hence, we can say that the probability that the card is a queen or a club will be  (4)/(13) .

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Answer 2
Answer:

13+3= 16/52 = 30.8% 16/52 = 8/26 = 4/13

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Of all the species in the world 4, out of every 5 are insects. What percentage of species are insects

Answers

If 4/5 are insects, 8/10, or .8, of the species are insects.  To find a percentage, multiply by 100 to find that 80% of the species are insects.

Answer:

80%

Step-by-step explanation:

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On Friday, a local restaurant served 150 customers. Of these, 114people ordered soup. What percent of the customers ordered soup?


A: 13%

B: 66%

C: 34%

D: 76%

Answers

The answer is D, because we will divide 114 by 150 and the total converted to percentage is 76

I’m having trouble with this one as well

Answers

The answer here would be

x = 21, y = 25

In segment AC, point B is between A and C. Which of the following is true? A. Point A + Point B = Point C
B. AB + AC = BC
C. AB + BC = AC

Answers

Answer:

b

Step-by-step explanation:

Answer:b

Step-by-step explanation:

How many laps can jaden complete in 12 minutes

Answers

Answer:

96 laps in 12 minutes

144 laps in 18 minutes

Step-by-step explanation:

We can  use the unit rate, which is 8 laps in 1 minute

8 laps/ 1 minute * 12 minutes = 96 laps

8 laps/ 1 minute * 18 minutes = 144 laps

We can use also use ratios to solve the problem.

5 minutes              12 minutes

--------------------  = --------------------

40 laps                    x laps

Using cross products

5*x = 40 * 12

Divide each side by 5.

x = 40/4 * 12

x = 96 laps

5 minutes              18 minutes

--------------------  = --------------------

40 laps                    x laps

Using cross products

5*x = 40 * 18

x = 40/5 * 18

x = 144

Answer: 96 laps

Step-by-step explanation:

     We are given a unit rate of 8 laps per one minute. Using this unit rate, we can multiply the given minutes by the laps per minute.

           \displaystyle 12\text{ minutes}* 8 \;\frac{\text{laps}}{\text{minute}}=96\text{ laps }

     This gives us an answer of 96 laps.

Write an inequality for the given statement: The sum of x and 25 is less than 75.

Answers

That statement would be best express by " x + 25 < 75 ". Since the statement says the sum of x and 25, thus, it will be x + 25. Then it also states that the sum is less than 75, so the best expression would be " < 75".
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