## age problem, Mathematics

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three years ago,Rica was thrice as old as dandy.Three years hence,she will be twice as old.Find their present.

#### Find the least and greatest number of coins, Marc goes to the store with ex...

Marc goes to the store with exactly \$1 in change. He has at least one of each coin less than a half-dollar coin, but he does not have a half-dollar coin. a. What is the least nu

#### Mixing problems, In these problems we will begin with a substance which is ...

In these problems we will begin with a substance which is dissolved in a liquid. Liquid will be entering as well as leaving a holding tank. The liquid entering the tank may or may

#### Pair of straight line, show that one of the straight lines given by ax2+2hx...

show that one of the straight lines given by ax2+2hxy+by2=o bisect an angle between the co ordinate axes, if (a+b)2=4h2

#### Logs, the variables x and y are thought to be related by a law of the form ...

the variables x and y are thought to be related by a law of the form ay^2=(x+b)lnx Where a and b are unknown constants. Can a and b be found and how.

#### What was the total cost of the copies, Mary made 34 copies at the local off...

Mary made 34 copies at the local office supply store. The copies cost \$0.06 each. What was the total cost of the copies? Multiply 34 by \$0.06 to ?nd out the total cost; 34 × \$0

#### Payoff Matrix, A farmer grows apples on her 400-acre farm and must cope wit...

A farmer grows apples on her 400-acre farm and must cope with occasional infestations of worms. If she refrains from using pesticides, she can get a premium for "organically grown"

#### Explain introduction to non-euclidean geometry, Explain Introduction to Non...

Explain Introduction to Non-Euclidean Geometry? Up to this point, the type of geometry we have been studying is known as Euclidean geometry. It is based on the studies of the a

#### Example of distributive law, Maya gives the children examples of distributi...

Maya gives the children examples of distributive with small numbers initially, and leads them towards discovering the law. The usual way she does this is to give the children probl

#### Concepts, what are core concepts of marketing?

what are core concepts of marketing?

#### # find unit rate and round to the nearest hundredth, what is the unit rate ...

what is the unit rate of \$112 in 8 hours