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maksim [4K]
2 years ago
12

in a class of 48,30. are boys. what are the probability that a girl is picked randomly to represent the class in debate​

Mathematics
1 answer:
Stels [109]2 years ago
4 0

Answer:

0.375

Step-by-step explanation:

  • Total no of students = 48

  • No. of boys = 30

  • No. of girls = 48 - 30 = 18

  • Required probability = No. of girls / Total no. of students

  • = 18/48

  • = 3/8

  • = 0.375
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Fred bought 6 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are no
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Fred started off with 94
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3 years ago
There are 3 different mathematics courses, 3 different science courses, and 5 different history courses. If a student must take
Damm [24]

Answer:

45 ways

Step-by-step explanation:

We are given;

there are 3 different math courses, 3 different science courses, and 5 different history courses.

Thus;

Number ways to take math course = 3

The number of ways to take science course = 3

The number of ways to take history course = 5

Now, if a student must take one of each course, the different ways it can be done is;

possible ways = 3 x 3 x 5 = 45 ways.

Thus, number of different ways in which a student must take one of each subject is 45 ways.

3 0
3 years ago
A building worth $829,000 is depreciated for tax purposes by its owner using the straight-line depreciation method.
Delvig [45]

The value of the building would be $699,400 in 4 years.

<h3>What will be the value of the building?</h3>

Depreciation is the when the value of an asset reduces as a result of wear and tear. Straight line depreciation is a method used in depreciating the value of an asset linearly with the passage of time.

The equation that can be used to determine the value of the building with a straight line depreciation is:

Value of the asset = initial value of the asset - (number of months x deprecation rate)

y = 829,000 - 2700x

The first step is to determine the number of months it would take for the building to have a value of $699,400.

$699,400 =  829,000 - 2700x

829,000 - 699,400 = 2,700x

129,600 = 2,700x

x = 129,600 / 2,700

x = 48 months

Now convert, months to years

1 year = 12 months

48 / 12 = 4 years

To learn more about depreciation, please check: brainly.com/question/11974283

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8 0
1 year ago
damian needs to buy three pints of juice the store does not sell in pints of juice so damian had to but 3 quarts of juice which
Blababa [14]
Well two pints equal one quart

If Damian needed 3 pints 
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then he would have to buy 3 quarts

Which 3 quarts is equivalent to 6 pints. 
8 0
4 years ago
How do you get the equation to <br><br> 6x+12=2(×+12)
DedPeter [7]

Answer:

x = 3

Step-by-step explanation:

Simplify 2(x+12)

6x+12=2x+24

Move all terms containing x to the left side of the equation. 4 x + 12 = 24

Move all terms not containing x to the right side of the equation. 4 x = 12

Divide each term by 4 and simplify.  x = 3

3 0
3 years ago
Read 2 more answers
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