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Montano1993 [528]
3 years ago
11

A class consists of 68 female students and 80 male students. One student is selected at random. What is the probability that the

student is female?
Mathematics
2 answers:
defon3 years ago
8 0
It would be 68/148 = 17/37
Oksi-84 [34.3K]3 years ago
8 0
It is 68/148=34/74=17/37
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PLEASE HELP!!!!!!!!!!
agasfer [191]

Answer:

a = 30

b = 15

c = 3

d = 30

e = 10

f = 20

Step-by-step explanation:

60 deg and a + 30 are alt int <S and congruent

a + 30 = 60

a = 30

a + 30 and a + 2b are corresponding angles and congruent

a + 2b = a + 30

2b = 30

b = 15

a + 2b and 5b - 5c are vertical angles and congruent

5b - 5c = a + 2b

5(15) - 5c = 30 + 2(15)

75 - 5c = 30 + 30

75 - 5c = 60

-5c = -15

c = 3

a + 2b and 10c + d are corresponding angles and congruent

10c + d = a + 2b

10(3) + d = 30 + 2(15)

d + 30 = 60

d = 30

5b - 5c and 2d + 6e are supplementary and add to 180

5b - 5c + 2d + 6e = 180

5(15) - 5(3) + 2(30) + 6e = 180

75 - 15 + 60 + 6e = 180

6e + 120 = 180

6e = 60

e = 10

2d + 6e and 4f + 4e are alt int angles and congruent.

4f + 4e = 2d + 6e

4f + 4(10) + 2(30) + 6(10)

4f + 40 = 60 + 60

4f + 40 = 120

4f = 80

f = 20

3 0
3 years ago
I’m stuck <br><br> please help
Katena32 [7]

Answer:

13

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Solve for t. 4=2+2/5t
maxonik [38]
T=5

4=2+2/5t
Subtract 2 from both sides.
2=2/5t
Multiply both sides by 5/2.
t=5
8 0
3 years ago
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Elena L [17]
9 * 3/4 = 6.75

You could change 3/4 into a decimal by dividing 3 by 4, which equals ,75.
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3 years ago
Can someone pls help me!!! NO LINKS... I will mark brainiest to.
Vadim26 [7]

Answer:

c it the answer

Step-by-step explanation:

7 0
3 years ago
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