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
Semmy [17]
3 years ago
6

In a certain lottery, 5 numbers between 1 and 13 inclusive are drawn. These are the winning numbers. How many different sections

are possible? Assume that the order in which the numbers are drawn is not important.
a.1287
b.154,440
c.371,293
d.120
Mathematics
2 answers:
Molodets [167]3 years ago
8 0
13 choose 5=13x12x11x10x9x8!/5x4x3x2x8!=1287
☺☺☺☺
Alex_Xolod [135]3 years ago
7 0

Answer: 1287

Step-by-step explanation:

When order of selecting things does not matter, then the combination od n things taking r at a time is given by :-

^nC_r=\dfrac{n!}{r!(n-r)!}

Given : The total numbers in lottery = 13

The total numbers to choose to win the lottery =- 5

Then , the combination of 13 numbers taken 5 at a time is given by :-

^{13}C_r=\dfrac{13!}{5!(13-5)!}=1287

Hence, the number of different selections = 1287

You might be interested in
Round 8.47285 to 3 decimal places
Elanso [62]
8.473 is the correct answer
7 0
2 years ago
Please help I need the right answer ill give brainliest pleaseee helpppp
drek231 [11]

Answer:

y=3x+1, or the second option

Step-by-step explanation:

We can see on the graph the line converges with the y-axis at (0, 1), so we can cross out the last two answers. Then we can also see that the slope is 3 on the graph and an equation that has x^2 must be a parabola. The answer is then narrowed down to the second option.

4 0
2 years ago
Read 2 more answers
It takes 2 minutes to fill a rectangular aquarium 8 inches long, 9 inches wide, 13 inches tall. How long will it take the same h
spin [16.1K]

Answer:

46.74 minutes

4 0
2 years ago
Estimate the sum of 1.8+4.008+0.44 Round each number to the nearest tenth a.5 b.5.2 c.6 d.6.2
Oduvanchick [21]

Answer:D

Step-by-step explanation:

8 0
3 years ago
2x + y - z = -8
Andreyy89

Answer:

Multiply row 1 by \frac{1}{2}.

Step-by-step explanation:

The augmented matrix of the system of linear equation is described below:

\left[\begin{array}{cccc}2&1&-1&-8\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]

Where a_{11} = 2, if we need to create a_{11} = 1, we need to multiply row 1 by \frac{1}{2}, that is to say:

\left[\begin{array}{cccc}1&\frac{1}{2} &-\frac{1}{2} &-4\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]

Hence, the correct answer is: Multiply row 1 by \frac{1}{2}.

5 0
2 years ago
Other questions:
  • To make concrete mix, Monica pours 34 pounds of cement,68 pounds of sand,14 pounds of small pebbles , and 19 pounds of large peb
    13·2 answers
  • You roll a 6 sided die. What is P(roll great her than 4)? If necessary round your answer to 2 decimal place
    12·1 answer
  • (3 1/4 + 2 5/6) + 1 3/4<br><br>​
    14·1 answer
  • it snowed 7/8 inches on Monday. on Tuesday it snowed 1/4 inches less than it did on Monday. how much did it snow on tuesday HELP
    14·2 answers
  • Item 15 Your math class is collecting canned food for a local food drive. The goal is to collect at least 130 cans but no more t
    11·1 answer
  • Simplify each expression by combining like terms. <br>7a - 6 + 8a ​
    13·1 answer
  • Please help will give Brainliest
    10·1 answer
  • Is y=8x a direct variation
    10·1 answer
  • An object on the moon weighs about 0.17 of what it would weigh on earth.
    10·2 answers
  • There are 24 hours in one day, and 3,600 seconds in one hour. How many seconds are in one day?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!