Suppose a jar contains 9 red marbles and 24 blue marbles. If you reach in the jar and pull out 2 marbles at random, find the probability that both are red. Round your answer to 4 decimal places.

Answers

Answer 1
Answer:

Answer: 0.0727

Step-by-step explanation:

We can use the concept of probability:

In this case, we have 9 red marbles and 24 blue marbles, so the total number of marbles is 9 + 24 = 33.

Since there are 9 red marbles out of 33 total marbles, the probability of drawing a red marble on the first draw is 9/33.

There will be 8 red marbles left out of the remaining 32 marbles in the jar. So, the probability of drawing a second red marble after the first red marble is 8/32.

To find the probability of both marbles being red, we multiply the probabilities of the fractions together.  (9/33) * (8/32).

                Now let's round the answer to 4 decimal places!

                                       (9/33) * (8/32) ≈ 0.0727

Therefore, the probability that both marbles drawn are red would be 0.0727. Sorry if it's nonsense, I'm just an average 6th Grader : D

Answer 2
Answer:

Final answer:

The probability of pulling out 2 red marbles from the jar is approximately 0.0727.

Explanation:

To find the probability of pulling out two red marbles from the jar, we need to calculate the probability of pulling out a red marble on the first draw and then a red marble on the second draw.

The probability of pulling out a red marble on the first draw is 9/33, since there are 9 red marbles out of a total of 33 marbles. After the first marble is removed, there are now 8 red marbles left out of a total of 32 marbles. So, the probability of pulling out a red marble on the second draw is 8/32.

To find the probability of both events happening, we multiply the probabilities together: (9/33) * (8/32) = 0.0727 (rounded to 4 decimal places).

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There once was afarmer who, as part of his route to town, used a rickety old boat to cross a wide river. He took his dog and went to town one day to buy corn. However, not only did he buy some corn, but he also bought a goose that he intended to take home and use to start raising geese. (The farmer was no fool, he already had another goose.) He also knew, however, that his boat was not reliable. It could only handle himself (to row) and one of the other three things he had with him. He feared that if left alone, the dog the corn. How could he get himself and everything else across the river?
Which of the following sets represents M∪N?{2, 5, 8}{4, 7}{3, 4, 6, 7, 9}{3, 6, 9}
Please explain your answer as well!
X+5 divided by 3 = 7 show work

What is the product of 3/5 of 10

Answers

First, I would change the 10 to 1/10 and write it out as 3/5 = x/10. Then, I would multiply 10 x 3 to get 30. Next, I would figure out 30 divided by 5. Therefore, your answer would be 6 :)

The solution of the product of the two given numbers 3/5 and 10 is 6.

An arithmetic procedure known as multiplication combines two or more integers to get the sum of the products. Along with addition, subtraction, and division, it is a fundamental mathematical operation.

The numbers being multiplied are referred to as the factors in multiplication, while the outcome is referred to as the product. The multiplication operation is indicated by the symbol "" or "*," and it has certain characteristics and regulations.

The two numbers will be multiplied as below,

P = 3/5 x 10

P = 3 x 2

P = 6

Therefore, the product is 6.

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Sarah bought a lawnmower for $320. She signed up for the buy now pay later plan at the store with the following conditions: $100 down and payments of $25 for the next 12 months. The extra cost paid by taking this plan is equivalent to what actual yearly rate of interest? A. 67% B. 65% C. 25% D. 85%

Answers

The yearlyrate of interest is equivalent to the extra cost paid by taking the plan of $100 down and payments of $25 for the next 12 months is 25%

Option C is the correct answer.

What is simple interest?

It is the interest calculated on the principal at a given rate for a time period.

We have,

Sarah bought a lawnmower for $320.

Principal = $320

She signed up for the buy now pay later plan at the store with the following conditions:

$100 down and payments of $25 for the next 12 months.

This means,

Amount paid = $100

Amount paid for the next 12 months = $25

The totalamount paid in 12 months:

= 100 + 12 x 25

= 100 + 300

= $400

The extraamount paid:

= 400 - 320

= $80

The yearlyrate of interest:

Simple interest = Principal x Rate x Time / 100

80 = (320 x Rate x 1) / 100

8000 = 320 x Rate

Rate = 8000 / 320

Rate = 25%

Thus,

The yearlyrate of interest is equivalent to the extra cost paid by taking the plan of $100 down and payments of $25 for the next 12 months is 25%

Option C is the correct answer.

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Cost of the lawnmower bought by Sarah = $320
Amount of down payment made by Sarah = $100
Amount paid by Sarah in 12 months = (12 * 25) dollars
                                                          = 300 dollars
Total amount paid by Sarah = (300 + 100) dollars
                                             = 400 dollars
Excess amount paid as interest by Sarah = (400 - 320) dollars
                                                                   = 80 dollars
Actual yearly rate of interest paid by Sarah = (80/320) * 100 percent
                                                                     = 25 percent
So 25% yearly interest was paid by Sarah. The correct option is option "C".

HELPPP ASAP PLSSS!!!

Answers

Answer:

a.) yes

b.) no

c.) yes

d.) yes

1. Yes
2. No
3. Yes
4.yes

Sarah has been training for a marathon, which will cover a distance of 42.195 km. In trainingshe has consistently run 1km each 6 minutes. How long will it take Sarah to complete the
Marathon if she runs at this pace consistently throughout the race?

Answers

Answer:

4 hours 21 minutes 17 seconds.

Step-by-step explanation:

1km = 6 minutes

42.195km = ?

42.195 × 6 = 253 minutes 17 seconds = 4 hours 21 minutes 17 seconds.

Answer:

4 hours 21 minutes 17 seconds.

Step-by-step explanation:

How many bones does a human body have?

Answers

It depends one the person but the most average number is 254 bones
The human body has 206 bones, an easier way instead of waiting for someone to answer you could of just searched it up on google hope i helped:)

If you have a dresser that is 7 meters high, 2 meters wide, and 4meters long, how much room do you have for your clothes?

Answers

Answer:

The answer to your question is there are 56 m²

Step-by-step explanation:

Data

height = 7 m

width = 2 m

length = 4 m

Process

To find the room of the dresser calculate the volume of a rectangular prism.

1.- Write the formula of a rectangular prism

Volume = height x width x length

2.- Substitution

Volume = 7 x 2 x 4

3.- Result

Volume = 56 m²