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3 years ago

11

this spinner below is divided into 10 equal sections. what is the probability of spinning it and landing on a number that is div

isible by 5.

2 answers:

torisob [31]3 years ago

6 0

Answer:

1. b

2.b

3.d

4.c

5.c

6.c

7.d

8.a

9.c

10.b and d

enyata [817]3 years ago

5 0

20% because there are 10 numbers and 2 of them are a multiple of 5. :)

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A jar contains 6 blue, 4 red, and 2 green marbles. What is the probability that three blue marbles are drawn with out replacemen

ch4aika [34]

Answer: The required probability is 9.09%.

Step-by-step explanation: Given that a jar contains 6 blue, 4 red, and 2 green marbles.

We are to find the probability that three blue marbles are drawn with out replacement.

Total number of marbles = 6 + 4 + 2 = 12.

After drawing one blue marble, we are left with total 11 marbles. And after drawing the second blue marble, we are left with total 10 marbles.

Therefore, the probability of drawing three blue marbles without replacement is given by

$p\\\\\\=\dfrac{^6C_1}{^{12}C_1}\times\dfrac{5C_1}{^{11}C_1}\times\dfrac{^4C_1}{^{10}C_1}\\\\\\=\dfrac{6}{12}\times\dfrac{5}{11}\times\dfrac{4}{10}\\\\\\=\dfrac{1}{11}\\\\\\=\dfrac{1}{11}\times100\%\\\\=9.09\%.$

Thus, the required probability is 9.09%.

6 0

4 years ago

Write down the answers to a,b,c,d

aniked [119]

Answer:

(A) 1

(B) -2

(C) 3.5

(D) -0.5

Step-by-step explanation:

We can treat each thermometer like a vertical number line and read the values on each.

A is right on 1.

B is right on -2.

C is in the middle of 3 and 4, so 3.5

D is in the middle of 0 and -1, so -0.5

Hope this helped!

3 0

3 years ago

Select ALL the correct answers.

swat32

5.2 x 10-2 and 5.2 x 10-1

7 0

3 years ago

Read 2 more answers

The sum of five and three times a number is 74. Find the number.

Helga [31]

Answer:23

Step-by-step explanation:

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3 years ago

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pochemuha

8.71428571429 is the answer

5 0

3 years ago