You have a penny, a nickel, a dime, a toonie, and a loonie. How many different (non-zero) sums of money can you produce?
You have a penny, a nickel, a dime, a toonie, and a loonie. How many different...
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21. How many different sums of money can you make with three pennies, a nickel, a dime, and two quarters?
Enter a fraction in simplest form. A penny, nickel, dime, and quarter are flipped together. All the coins are fair. The probability of the event "Tails" for the penny, "Heads" for the nickel, "Heads" for the dime, and "Heads" for the quarter is A
In the United States Coins like the dime, quarter and half dollar have a nickel rich surface and copper rich core. Using principles of diffusion, explain how these three layers are bonded together.
Problem 2 Suppose you flip a penny and a dime. Each coin is equally likely to come up heads and tails. The two flips are independent a) What is the sample space? b) What is the conditional probability that both coins come up heads, given that the penny comes up heads? c) What is the conditional probability that both coins come up heads, given that at least one of the coins comes up heads? (Hint: the answers in part (b)...
2) There are fifteen envelopes in a box. Five envelopes contain one penny, four have one nickel, three have one dime, two has one quarter and one has one half-dollar. A person selects an envelope at random. Find the expected value of the draw. please show work.
A certain ore is 27.6% nickel by mass. How many kilograms of this ore would you need to dig up to have 75.0 g of nickel? TOOLS
Suppose you have an animal with 10 different olfactory receptor proteins. 1. Approximately how many different odors can this animal distinguish? 2. How many different types of olfactory receptor neurons can you expect this animal to have? 3. This animal has a sensitive sense of smell- it can smell odors at low concentrations. Approximately how many olfactory receptor neurons would you expect this animal to have? 4. How many different type of olfactory bulb glomeruli would you expect this animal...
1. The radius of a nickel atom is 125 pm. How many nickel atoms would have to be laid side by side to span a distance of 1.78 mm? 2. The mass of a single iridium atom is 3.19×10-22 grams. How many iridium atoms would there be in 126 milligrams of iridium? 3. The volume of a single platinum atom is 1.12×10-23 cm3. What is the volume of a platinum atom in microliters?
A certain ore is 27.7% nickel by mass. How many kilograms of this ore would you need to dig upto have SS 0 g kg
1. A certain ore is 24.6% nickel by mass. How many kilograms of this ore would you need to dig up to have 15.0 g of nickel? 2. How many grams of salt are needed to make 613 g of saltwater that is 31.5% salt by mass?