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
Tanzania [10]
4 years ago
6

How many ways can you purchase 3 CDs if there are 3 to choose from, 4 cassettes if there are 7 to choose from, and 2 DVDs if the

re are 4 to choose from?
Mathematics
2 answers:
Alex Ar [27]4 years ago
8 0
Here's a rule of thumb that works for these probability questions.
Let say there are 5 objects and you can 3 of them. Then the total number of ways are:
5x4x3=60
This is because at the beginning there are 5 objects to choose from, after one is chosen, there's only 4 left. After another one is chosen, there is only 3 left. That's when you are done with your 3 turns to choose.
I am a bit busy and I will tell you later
Lesechka [4]4 years ago
5 0
<span>3C3 X 7C4 X 4C2 = 210 </span>
You might be interested in
On Monday, Takira counted 75 splatters of bird droppings on her car. On Tuesday afternoon, she counted 21 more. What is the perc
Law Incorporation [45]

Answer:

28%

Step-by-step explanation:

percent change in the number of bird droppings = increase in splatters / splatters counted on Monday x 100

\frac{21}{75} x 100 = 28%

3 0
3 years ago
HELP IM USING ALL MY POINTS
Romashka-Z-Leto [24]

Answer:

5 days

Step-by-step explanation:

If you write it out it will look like this 8 1/2÷1 7/10

since you can't divide mixed fractions very easily, you make them improper fractions. 8 1/2 -> 17/2    1 7/10 -> 17/10

So it looks like 17/2÷17/10

because of maths you have to turn 17/10 into 10/17

And when you do the maths (multiply it together) you get 5

5 0
3 years ago
Read 2 more answers
Some doctors recommend that no more than 30% of a person's daily calories come from fats. Following this recommendation, if you
White raven [17]

2400 divided by 10 is 240 and 240 x 3 = 720 so your answer would be 720 calories per day

8 0
3 years ago
What is the interquartile range (IQR) for the data set 14,15,17,19,20,23,26,30,32
natka813 [3]

Answer:

12 ??

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A rectangular prism has a surface area of 112 square inches. If it is 2 inches long and 8 inches wide, what is its height?
GaryK [48]
The answer is 4. The formula is 2LW+2LH+2WH
6 0
3 years ago
Read 2 more answers
Other questions:
  • A lion’s heart beats 12 times in 16 seconds.how many heartbeats will it have in 60 seconds?
    11·1 answer
  • The area of a rectangular wall of a barn is 280280 square feet. its length is 88 feet longer than twice its width. find the leng
    13·1 answer
  • What is the additive inverse of the polynomial? -7y^2+x^2y-3xy-7x^2
    16·1 answer
  • Who could help I will give a brainliest
    14·1 answer
  • Explain 2 ways to evaluate 15(90-3)
    13·2 answers
  • Write the equation of a circle with center (4, -5) and radius = square root of 13
    15·2 answers
  • Kingda ka in new jersey is the tallest and fastest roller coaster in the world. riders travel at an average speed of 61 feet per
    7·1 answer
  • An artist buys 36 tubes of oil paint, 6 paintbrushes, 3 canvases, and 2 jars of paint thinner. What is the ratio of paintbrushes
    7·1 answer
  • Find the mean of the following data set: 8, 5, 7, 10, 15, 21
    10·2 answers
  • Which stem-and-leaf plot represents this data? 80, 81, 91, 92, 66, 55, 54, 30, 55, 79, 78 A stem-and-leaf plot with a stem value
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!