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labwork [276]
3 years ago
14

A class is made up of 10 boys and 5 girls. Half of the boys wear glasses. A student is selected at random from this class. What

is the probability of the student is a boy with glasses
Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0

Answer:

  1/3

Step-by-step explanation:

Of the 15 students in the class, 5 are boys with glasses. The probability of selecting one at random is 5/15 = 1/3.

11Alexandr11 [23.1K]3 years ago
4 0
You to 5 + 10 and then you add and get ur answer if you need help hit me up
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Find the value of x.
Novay_Z [31]

Answer:

Step-by-step explanation:

Remark

What you don't know and what makes the problem confusing, is that where to the given arcs start and end. So I am going to say that both arcs start from E and 119 ends at D, and 174 ends at F which means that the arc FD is not known, but it is not hard to find.

The total number of degrees from beginning to end is 360 degrees. The formula for finding FD is

Formula

FD = 360 - (174 - 119)

The formula for x is (ED - FD)/2

Solution

Arc FD = 360 - (174 - 119)

Arc FD = 67

So x = (119 - 67) / 2

x = 52 /2

x = 26

4 0
1 year ago
The length of the rectangle below is (2x-3) and the width is (x+7). Find the area of the rectangle in terms of x.
Alex777 [14]

Answer:

area = 2x² - 17x - 21

Step-by-step explanation:

Area of the rectangle is:

area = (width*length)

area = (x+7)*(2x-3)

        = x*2x + x*-3 + 7*2x + 7*-3

        = 2x² - 3x - 14x - 21

        = 2x² - 17x - 21

4 0
3 years ago
there are 239 people in the first six rows of the movie theater if the same number of people are in the next six rows about how
bija089 [108]

Answer:

478 people

Step-by-step explanation:

All you need to do for this problem is simply multiply 239 by 2. If the first 6 rows are 239 people, and so are the next 6, that's all you need to do.

239*2=478

8 0
2 years ago
What two numbers multiply to -49 and add to +6
Zina [86]
I don’t think there is a number that does both of those, the factors of 49 are 1, 7, and 49
4 0
3 years ago
Which of the following gives an example of a set that is closed under addition.
cluponka [151]
I believe the answer is D
4 0
3 years ago
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