each flea treatment usually lasts for about 4 weeks, but one year the fleas were especially bad. Jim's dog needed to be treated for fleas every 3 weeks until the weather cooled off. How many weeks...

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each flea treatment usually lasts for about 4 weeks, but one year the fleas were especially bad. Jim's dog needed to be treated for fleas every 3 weeks until the weather cooled off. How many weeks...

Consider the reaction of hydrogen and oxygen producing water. If 24.6 g of water is produced and 2.9 g of hydrogen is used, how many g of oxygen are needed? Is it 27.5? Or am I wrong...

If you have 140 stone blocks, you can build an Egyptian square pyramid whose base has 7 blocks on each side. At the same time, you can arrange those blocks into 35 perfect 2 × 2 squares. Find a positive...

Inspired by The Big Short, you decide to enter a simulated stock market trading game with your friend. There is a cap of 1000 people who can participate in this game, everyone starts with 1 million,...

You have a box of chocolates sitting on your desk. The box has 36 different chocolates that all look identical, but have different fillings. Your friend comes to choose a chocolate, but knocks the...

a number is called circular number if can be expressed as a3+b3+c3-3abc for some integers a, b, c. It turns out that the product of any two circular numbers is a circular number, as is...

You are playing the biggest game of musical chairs ever, with 6,469,693,230 chairs. The rules are a little different: an integer D is uniformly and randomly selected from 1 to 6,469,693,230 (inclusive)...

Calculate the cosine of the (dihedral) angle between two faces of a regular octahedron, rounded to the nearest hundredth. octahedron

The triangle with sides 8-15-13 has a 60 degree angle. The triangle with sides 11-35-31 also has a 60 degree angle. Find a triangle of sides x, y and 403 where x and y are relatively...

Randomly (but uniformly) sample a number between 0 and 1. Stop the first time that a sample is greater than the immediately previous sample. That is, if your samples are labeled x1,x2,etc. stop when...

Oh no! You’re above a pit of fire and the only way out is a 1000-rung escape ladder. You’re on the first rung.Every second, a standard (6 sided) die rolls. If it’s a 1 or 2, you move down one rung...

Has to be 100 words

A right triangle has angles which measure 30,60 and 90 degrees. If the perimeter of this triangle is 15+5*3^(1Ã·2). Then the length of the hypotenuse of this triangle is= ?

If you spend 30 minutes a day goofing off on the internet during time you've set aside for studying, how much study time (in minutes, and in hours) will you waste over the course of a 16 week semester...

A stadium has 55,000 seats. Seats sell for ?$28 in Section? A, ?$24 in Section? B, and ?$20 in Section C. The number of seats in Section A equals the total number of seats in Sections B and C. Suppose...

I've been stumped on this problem... Step-by-step please :)

Justin drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 7 hours. When Justin drove home, there was no traffic and the trip only took 5 hours. If his...

My math class daily grades are 40% of my grade in that class and I'm making a 77 in there at the moment would a zero put me below passing??

Let f be a homomorphism from the ring R into itself and S be the set of elements that are left fixed by f; in symbols, S = {a E Rlf(a) = a}. Establish that S forms a subring of R.

A square piece of cardboard is 5 inches on a side. A square piece x inches on a side is cut out from each corner. The flaps are then turned up to form an open box. Find polynomials that represent...

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