MATHEMATICS HIGH SCHOOL

Which expression describes 9 less than 5 times some number​

Answers

Answer 1
Answer:

Answer:

9 - 5x I think

Step-by-step explanation:

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Definition of mean, median, mode & range?

Answers

Mean: Add all the numbers divide by the amount of values
Median: the middle number in a set of data
Mode: the most common number that appears in a set of data
Range: biggest number take away the smallest number
Mode: number that appears the most
Mean: all the numbers added together and then that number divided by the amount of numbers u counted to get the solution for the addition.
Range: subtract the highest number from the smallest number
Median: put the numbers from least value to the top value and the Median will be in the middle

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

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) .

To know more about Probability click here

brainly.com/question/27579447

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

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Answers

Answer:

(y^4+9x^2)(y^2+3x)(y^2-3x)

Step-by-step explanation:

Question 2 (Multiple Choice Worth 6 points)(09.03 LC)

Tanya drives to work every day and passes two independently operated traffic lights. The probability that both lights are red is 0.55. The probability that the first light is red is 0.69. What is the probability that the second light is red, given that the first light is red?
0.83
0.75
0.80
0.73

Answers

Answer:

(C) 0.80

Step-by-step explanation:

Let the probability that the first light is red is= P_(1) and

the probability that the second light is red= P_(2). Then,

Probability that both lights are red= P( P_(1) and P_(2) )= 0.55,

Probability that the first light is red= P(P_(1))=0.69,

Probability that the second light is red, given that the first light is red=P( P_(2) /P_(1))=(P(P_(1) and P_(2)) )/(P(P_(1)) )

=(0.55)/(0.69)

=0.7971

≈0.80
Given:
Probability that both lights are red 0.55
Probability that 1st light is red 0.69

Find the probability that the 2nd light is red, given that the first light is red.

0.55/0.69 = 0.797 or 0.80

The probability that the 2nd light is red while the 1st light is also red is 0.80.

Solve for y.
y – (–19) = 25
a. –44
b. –6
c. 6
d. 44

Answers

y - (-19) = 25

First, simplify your brackets. / Your problem should look like: y + 19 = 25
Second, subtract 19 from both sides. / Your problem should look like: y = 25 - 19
Third, subtract 25 - 19 to get 6. / Your problem should look like: y = 6

Answer: C) y = 6

Nathan is trying out to be the kicker on his high school's football team. He notices that for every hour he practices he can kick the ball 2 yards further. On his first try he kicked the ball 42 feet, on the second try he kicked the ball 16 yards. What could be a possible distance for his third kick? A. 20 feet B. 60 feet C. 54 yards D. 24 yards

Answers

This is actually a very easy problem. The only hurdle we have here is the units that are used in this problem. We have to understand that each unit may mean the same length but the values are different. In this case, 1 yard is equal to 3 feet. Meaning 42 feet is equal to 16 yards. So that is 14, 16 and the answer is 18 yards. 18 yards is equal to 54 ft. 
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