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OLEGan [10]
3 years ago
12

A jar of marbles has five blue marbles, three red marbles, and four green marbles. What is the possibility of drawing a marble t

hat is blue, and then, after replacing it, drawing a marble that is green?
5/36

1/6

1/4

11/36
Mathematics
2 answers:
solniwko [45]3 years ago
8 0

Answer:

5/36

Step-by-step explanation:

The chance of drawing a blue marble is 5/12. The chance of drawing a green marble is 4/12. You multiply the fractions to get the probability.

5/12 * 4/12 =20/144 = 5/36 simplified.

Reptile [31]3 years ago
4 0

Answer:

5/36

Step-by-step explanation:

12 total marbles

5/12 blue, 4/12 green

5/12x4/12=20/144

5/36

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During the election for class president, 120 of the students voted for Lindsay, and 280 of the students voted for sharif. 400 St
prisoha [69]

Answer:

x=200

Step-by-step explanation:

let 'x' represent the total number of students

0.40x of the students voted for Gerardo

0.35x of the students voted for Leandro

0.25x of the students voted for Juju

70 students voted for Leandro:

0.35x = 70

by solving we find:

x = 200 students

5 0
2 years ago
Read 2 more answers
Assume that the average healthy body temperature is 98.249 degrees and the standard deviation is 0.733 degrees. How many standar
Leno4ka [110]

The standard deviation is 1.43 below the mean

<h3>How to determine the number of standard deviation?</h3>

The given parameters are:

Mean = 98.249

Standard deviation = 0.733

x = 97.2

To calculate the number of standard deviation below the mean, we use

x = \bar x - n\sigma

So, we have:

97.2 = 98.249 - n * 0.7333

Evaluate the like terms

-1.049  =- n * 0.7333

Divide both sides by -0.733

n =1.43

Hence, the standard deviation is 1.43 below the mean

Read more about standard deviation at:

brainly.com/question/15858152

#SPJ1

5 0
1 year ago
Express your final answer in simplest form 3/5 + -7/8
frez [133]

Answer:

- 0.5

Step-by-step explanation:

you first change the fractions numbers  in to decimal form

      so;   2/5 = 0.4

               -7/8 = - 0.875

hence;   0.4 + (-0.875)

             = - 0.475

in to its simplest form   =  - 0.5

  the answer is - 0.5

5 0
2 years ago
Solve the following by first clearing the fractions.<br><br> 1/6x+1/2=1/2x+1/2
levacccp [35]

Answer:

.166x + .5 = .5x +.5

Step-by-step explanation:

3 0
2 years ago
Help please this is urgent
yulyashka [42]

Answer:

64 degrees.

Step-by-step explanation:

This is because the arrow that is not horizontal is pointing to that number.

3 0
2 years ago
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