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
algol13
2 years ago
15

There are 12 boys and 16 girls in Marco's class (including Marco).What is the probability that a student chosen at random from M

arco's class will be a boy?
Mathematics
1 answer:
Len [333]2 years ago
5 0

Answer: 3:4 ratio or 3/4

Step-by-step explanation:

You might be interested in
Two-thirds Times a number plus 7 equals 7 minutes the number. Find the number
skelet666 [1.2K]
2/3x + 7 = x-7
         +7      +7
---------------------
2/3x + 14 = x
-2/3x        -2/3x
----------------------
14 = 1/3x
*3     *3
-------------
42 = x

Hope this helps! :)


3 0
3 years ago
What is 12 percent of 120?
love history [14]
12% of 120 is 14.4

Change the percentage into a decimal by dividing over 100:

12 / 100 = 0.12

Multiply:

0.12 × 120 = 14.4
5 0
3 years ago
If a city with a population of 700,000 doubles in size every 71 years, what will the population be 213 years from now?
hichkok12 [17]

Answer:

2,100,000

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The graph below shows graph of f (x), its derivative f '(x), and its second derivative f "(x). Which of the following is the cor
Jet001 [13]

Answer:

A is f ", B is f, C is f '.

Step-by-step explanation:

Your answer is correct.  B is the original function f.  It has a local maximum at x=0, and local minimums at approximately x=-3/2 and x=3/2.

C is the first derivative.  It crosses the x-axis at each place where B is a min or max.  C itself has a local maximum at approximately x=-3/4 and a local minimum at approximately x=3/4.

Finally, A is the second derivative.  It crosses the x-axis at each place where C is a min or max.

8 0
3 years ago
Need help ASAP
faust18 [17]

Area of a circle = pi x r^2

200.96 = pi x r^2

200.96 = 3.14 x r^2

r^2 = 64

r = 8 inches

Hope this helps!! :)

8 0
2 years ago
Read 2 more answers
Other questions:
  • Help please! A picture will be provided above because I don’t know how to type them out correctly. Questions 8-13, and 19 ONLY!
    12·1 answer
  • the probability that jenya recieves 4 spam-emails is 4% . If she recieves 520 emails a week, how many can you expect to be spam?
    6·1 answer
  • if the humpback whales had traveled at the same rate for 32 days,how many more miles would the have traveled than the grey whale
    10·2 answers
  • Solve for x. The triangles in each pair are similar.
    13·1 answer
  • 15 points for simple math!!!
    5·1 answer
  • 17 Points! Examine this system of equations with the procedure for using the linear combination method.
    7·2 answers
  • A rectangle is 3 meters long and 2 meters wide. what is its area
    9·2 answers
  • Average Weekly Earnings The average weeklyearnings in dollars for various industries are listedbelow. Find the percentile rank o
    13·1 answer
  • Is this statement true or false?
    14·2 answers
  • Il give brainliest to correct answer
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!