06/28/19

#### A playground is in the shape of squares with each side's equal to 109 yards

The skating rink is in the shape of quadrants of a circle @ each corner. If the area of the remaining field is 9055, find the radius of each skating rink. Also find the cost of cementing the... more

04/12/19

03/14/19

#### How many 2-digit positive integers are there?

How many 2-digit positive integers are there such that the product of their two digits is 24? The answer given is four. I'm not certain if I understand this question correctly and need some... more

#### Find the values of c and d that make the function continuous.

F(x) = 4x {x<1} F(x) = cx^2+d {1≤x<2} F(x) = 7x {x≥2}   If anyone can help me out with this that would be amazing!

10/04/18

#### In the game of blackjack played with one​ deck,

In the game of blackjack played with one deck, a player is initially dealt 2 different cards from the 52 different cards in the deck. A winning "blackjack" hand is won by getting 1 of the 4 aces... more

10/04/18

#### Need help with the problems

Lee and Fred are elementary school teachers. Fred works for a charter school in Pacific Palisades, California, where class size reduction is a goal for 2013. Lee works for a non charter axhool... more

#### I need help on a proportionality and similar triangle question

A tennis player stands 39 feet behind the net, which is 3.5 feet tall. He extends his racket to a height of 9 feet and hits a serve. The ball passes 6 inches above the net. How far beyond the net... more

09/21/18

#### how many students are there

a group of students played two types of board games during recess. 1/3 of them played chess and 3/5 of them played scrabble. 1/8 of the students played both games and 23 students did not play games... more

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