![ToriChristine](/avatars/33732.jpg)
ToriChristine
08.01.2021 •
Mathematics
How many ways can Patricia choose 4 pizza toppings from a menu of 8 toppings if each topping can only be chosen once
Solved
Show answers
More tips
- D Dating, Love, Relationships 10 Useful Tips on How to Survive a Breakup?...
- F Food and Cooking Apple Cider Vinegar: The Ultimate Health and Beauty Solution...
- C Computers and Internet Е-head: How it Simplifies Life for Users?...
- F Family and Home How to Choose the Best Diapers for Your Baby?...
- F Family and Home Parquet or laminate, which is better?...
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
- L Leisure and Entertainment How to Make a Paper Boat in Simple Steps...
- T Travel and tourism Maldives Adventures: What is the Best Season to Visit the Luxurious Beaches?...
- H Health and Medicine Kinesiology: What is it and How Does it Work?...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
Answers on questions: Mathematics
- M Mathematics What is 20% of $3,500 ?...
- M Mathematics in triangle ABC shown below, L is the midpoint of BC, M is the midpoint of AB, and N is the midpoint of AC. Find the perimeter of trapazoid BMNC....
- S Social Studies How dose a constitution reflect the charactistics and aspirations of the state....
- H History Write the approximate location of Abidjan Cote d lvoire, using latitude and longitude...
- H History Please help 20 points....
- M Mathematics Correct answers only ! ! question 1 (2 points) traduzca el verbo al pretérito. **dont forget accent marks where needed** mi hermano (romper) un vaso question 1 options:...
- M Mathematics Kanna kamui sold 7 matches for $1 each with each match costing her $.30 per match. what is kanna s earning in total...
Ответ:
70
======================================================
Explanation:
Consider we have four slots A, B, C, D.
We have 8 choices for slot A, 7 for B, 6 for C, and 5 for D.
We count down because each time we can't reuse whatever topping was picked earlier.
Multiplying out those values gives: 8*7*6*5 = 1680
There are 1680 permutations. This would be the answer if order mattered, but it doesn't matter.
Since order doesn't matter, we have to divide by 4! = 4*3*2*1 = 24. This is the number of ways to arrange any group of 4 items.
We get 1680/24 = 70 as the final answer
--------------------
Another way to get the answer is to apply the nCr combination formula
with n = 8 and r = 4.
Another alternative is to use Pascal's Triangle. You would look in the row that starts with 1,8,... and count out 5 slots (because r starts at r = 0) to arrive at 70.
Ответ:
x=6
Step-by-step explanation:
6x+7=43
6x=43-7
6x=36
x=36/6
x=6