Suppose that Elizabeth has secured three more paintings for her exhibit, for a total of six paintings available, but she still has only enoughroom to display three of them side by side. How many arrangements of three paintings can she make if there are six paintings to choose from?a10b4020120

The number of ways r items can be selected from n different items is equal to Cn, r. The expression,…

Answered: Suppose that Elizabeth has secured…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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2 ? Select three that apply. Which of the following situations results in an answer of 3 Three cats share 2 cans of tuna. How much of a can does each cat receive? Three dogs each drink 2 cups of water. How many cups of water do the dogs drink in all? Three cupcakes are divided among 2 children. How much of a cupcake does each child receive? Two apples are split among 3 people. How much of an apple does each person receive? Two bags of bird seed are split among 5 parrots. What fraction of a bag does each parrot receive? Two gallons of water are needed to fill 3 fish tanks of equal size. How many gallons of water are required for each tank?
Assume that the pond contains 100 fish: 82 blue, 17 orange, and 1 red. A contestant pays $0.65 to randomly catch one fish and receives $0.25 if the fish is blue, $0.90 if the fish is orange, and $14.00 if the fish is red. How much (on average) does the carnival gain on each play? (If the carnival looses money, enter a negative dollar amount)
Suppose you have 13 juniors and 11 seniors. How many different draws of 6 names would contain exactly 3 juniors and 3 seniors? a 94,600 b 45,400 286 d. 47,190
Suppose you want to select two types of snacks and one drink in a coffee shop. There are 5 choices of snacks and 10 types of drinks to choose from. If you don't want to pick the same snack twice, how many different combinations of 2 snacks and 1 drink could you have? Note, we consider the order of choosing snacks does not matter.
The owner of a candy store wants to mix some peanuts worth $1 per pound, some cashews worth $9 per pound, and some Brazil nuts worth $10 per pound to get 50 pounds of a mixture that will sell for $6.20 per pound. She uses 10 fewer pounds of cashews than peanuts. How many pounds of each did she use? O Ib peanuts Ib cashews Ib Brazil nuts

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