1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mr Goodwill [35]
2 years ago
14

The teacher of a class that contains 12 boys and 16 girls needs to pick two volunteers. She randomly selects one student, then a

nother student from the class. Find the probability that a) she chose one boy then one girl. b) she chose one boy and then another boy.
Mathematics
1 answer:
Otrada [13]2 years ago
7 0

Answer:

1 boy then 1 girl = 48 in 189 probability.  1 boy then 1 boy = 33 in 132 probability

Step-by-step explanation:

1 boy then 1 girl:

12/28 x 16/27

1 boy then 1 boy:

12/28 x 11/27

Simplify the fractions to make it easier.

You might be interested in
Question six about significant figures, please help!
belka [17]

rules to find :- 1 All non zeroes number are significant

2  if zero proceeding the decimal point also work as non zero figure

3 zero are following the decimal point and proceeding the first non zero digit

4 Zero in between 2 non zero digits are also significant

5 if 1 zero follow the decimal point


790  :-    2 significant figures

0.0391 :-  3 significant figures ( follow 3 rule)

81.05  :- 4 significant figures  ( rule 4)

0.000001 :-   1 significant figure

8546 :-        4 significant figures

79.0 :-         3 significant   ( rule 5)

8 0
3 years ago
Find the area of the given triangle.
yan [13]
Area of triangle = base x height over 2
3 x 4 = 12
12 over 2 = 6
area = 6cm^2
5 0
3 years ago
Read 2 more answers
If m = 22 and n = 3, what is the value of the following expression? m - 5 • n + 3 A. 51 B. 10 C. 4 D. 54
melisa1 [442]

The answer is B, 10.


Step-by-step explanation: You plug in the values where the variables are, then follow PEMDAS, beginning with 5 times 3.


4 0
2 years ago
Write each ratio in simplest form.<br> 1. 33/36
Anarel [89]
33 ÷ 3
----------- = 11 / 12.
36 ÷ 3

It's simplest form is 11 / 12.
7 0
3 years ago
Help me please!! The next model of a sports car will cost 12.2% less than the current model. The current model costs $34,000. Ho
andrey2020 [161]

Answer:

the price will decrease by 4148

the price of the next model will be 29852

7 0
2 years ago
Other questions:
  • The average American is responsible for about 20,000 kilograms of carbon emission pollution each year. Express this number as a
    11·1 answer
  • What number must be added to the expression below to complete the square?
    5·1 answer
  • the school theater made $2,142 on ticket sales for the three nights of their play. the department sold the same number of ticket
    9·2 answers
  • Which statement is true regarding the traits of scatterplots
    14·1 answer
  • Can you find the base and height measurements for s triangle if you know that the area is 22 square units explain why or why not
    5·1 answer
  • Can someone help:( if c=5, what is the value of 12-c?<br> A 5<br> B 7<br> D 17<br> C 60
    11·2 answers
  • If 7y + 42 &lt;14 then which among the following is true​
    11·1 answer
  • 1.5.2. You have a six-sided die that you roll once. Let Ri denote the event that the roll is i. Let Gj denote the event that the
    15·1 answer
  • If you did not learn a different method for unit conversion in a previous class, respond to the following statement.
    15·2 answers
  • Simplify [-12 - 3 / 4 ] - [23 - 42 / 8]
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!