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Mama L [17]
2 years ago
6

There is a bag filled with 5 blue, 6 red and 2 green marbles. A marble is taken at random from the bag, the colour is noted and

then it is replaced. Another marble is taken at random. What is the probability of getting 2 the same colour?
Mathematics
1 answer:
Grace [21]2 years ago
6 0

Answer: so it is either 14 or 15.3846153846 but am not sure if 15.3846153846 i answer to the question because i think it might be multi choice

Step-by-step explanation: well see there are 13 marbles so dont loose your marbles on this one because there is 13 marbles that is 7 percent of each marble so the probability of getting two of the same color would be 14 percent but if you want exact it would be 15.3846153846

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Montana is known for having very chilly winters. One night, the temperature was falling by 2 degrees Fahrenheit each hour. At su
Kipish [7]

Answer:

7 hours

Step-by-step explanation:

We are given that

At sunset, the temperature=-5 degrees Fahrenheit

Each hour, temperature falling=2degrees Fahrenheit

We have to find time taken to reach the temperature -19° F.

Let x be the time time taken to reach the temperature -19° F

According to question

-5+x(-2)=-19

Where we taking 2 negative because temperature decreases.

-5-2x=-19

-5+19=2x

14=2x

x=\frac{14}{2}

x=7

Hence, it will take 7 hours for the  temperature to reach -19° F.

3 0
3 years ago
What is the distance of Point A (4-i) from the origin of the complex plane?
Dima020 [189]

Answer:

1st im not sure

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3 0
3 years ago
What's (9+9i)(-1-5i) using foil method
hammer [34]

Answer:

36-54i

Step-by-step explanation:

(9+9i)(-1-5i)

v

-9-9×5i-9i-9i×5i

v

-9-45i-9i-45i^2

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-9-45i-9i-45×(-1)

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(-9)-45i-9i+(45)

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36(-45i)(-9i)

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5 0
3 years ago
Sorry for the bother help plz
Zepler [3.9K]

(6a^2)^3

6^3(a^2)^3

216(a^2)^3

216a^6

Answer: 216a^6

3 0
3 years ago
Read 2 more answers
Karen Sullivan delivers newspapers for the Tribune dispatch. She receives 18.2 cents per paper, six days a week (for the daily p
mario62 [17]

Answer:

About $241.11

Step-by-step explanation:

So, Karen receives 18.2 cents per paper.

She delivers 124 paper per day.

In other words, on days other than Sunday, she will make a total of:

18.2(124)=2256.8\text{ cents}

On Sunday, each paper is sold for $0.70 or 70 cents. She also sells 151 Sunday papers. Thus, on a Sunday, she will make a total of:

70(151)=10570\text{ cents}

Therefore, in one week, she will do the first equation six times and the Sunday equation once. Thus, her total pay will be:

6(2256.8)+10570=24110.8\text{ cents}\approx\$241.11

4 0
2 years ago
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