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
goldfiish [28.3K]
3 years ago
14

There are 8 books in a shelf that consist of 2 paperback books and 6 hardback books. If 4 books are selected at random without r

eplacement, how many different combinations are there that at least one paperback book is selected?A. 40B. 45C. 50D. 55E. 60
Mathematics
1 answer:
mixer [17]3 years ago
4 0

Answer:D

Step-by-step explanation:

This is combination.

If 4 books selected out of eight book in the shelf:

(4 combination 8)= 70

For hardback selection:

Then selection of 4 books out of the hardback, it means there is no paperbach will be:

(4 combination 6)= 15

So , if at least one paperback selected will be : 70-15

That is 55

You might be interested in
HI PLZ HELPI NEED AN ANSWER!! (And will mark brainliest if a legit answer thanks)
trapecia [35]

Option 3: a 90 degree rotation clockwise

You can tell that it is 90 degrees because the original started completely in quadrant 2 and the final image is completely in quadrant 1. If it was only rotated 45 degrees the final image would be part in quadrant 2 and part in quadrant 1. It was rotated clockwise because that is the way a clock goes.

Hope this helps! ;)

6 0
3 years ago
Two functions f and g are given. Show that the growth rate of the linear function is constant and that the relative growth rate
joja [24]

Answer:

  linear function growth rate: 8.5

Step-by-step explanation:

The growth rate of the linear function is the coefficient of t: 8.5. (It is a constant.)

__

The growth rate of g(t) is its derivative: g'(t) = (1/8)(160e^(t/8)) = 20e^(t/8). Then the relative growth rate is ...

  g'(t)/g(t) = (20e^(t/8))/(160e^(t/8)) = 20/160 = 1/8

It is a constant.

6 0
3 years ago
1. Here is a rule to make a list of numbers: Each number is the sum of the
boyakko [2]

Answer:

what the rest of the problem?

Step-by-step explanation:

8 0
3 years ago
Which segments are parallel?
MAXImum [283]
AB & CD
they have the same degree & are equally apart.
7 0
3 years ago
Simplify the fraction 20/41
melomori [17]

Answer:

20/41 (it can't be reduced or simplified)

Step-by-step explanation:

41 is a prime number hence cannot be divided by anything.

Therefore, 20/41 simplified is still 20/41 and in decimal format is 0.488(3 d.p)

8 0
3 years ago
Read 2 more answers
Other questions:
  • X +5+11x=12x+Y It says find the value of y that makes each equation true for all values of
    7·1 answer
  • Based on the pattern in the table what is the value of A
    7·2 answers
  • -2 times g(4) when g(x) =-x squared+(4x)-11
    10·1 answer
  • If a person bikes 2.4 miles in 10 minutes how far can he bike in 1.5 hours
    11·1 answer
  • In the triangles, Line segment A C is-congruent-to line segment F E and Line segment B C is-congruent-to line segment D E. Trian
    12·1 answer
  • Which statement describes the translation from the graph y=|x| to the graph y=|x+3|-4?
    15·1 answer
  • Emergency helpn please i dk wut they mean
    5·2 answers
  • Value of x to 3sf<br> area is root 4/2^2 and sides are (x+2) and (2x-3) and angle is 45°
    13·1 answer
  • Luna drew a scale drawing of the high school. The parking lot, which is 54 meters wide in real life, is 102 centimeters wide in
    15·1 answer
  • If Rachel were to paint her living room alone, it would take 2 hours. Her sister Fran could do the job in 5 hours. How many hour
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!