Solution to rice and chessboard problem?

There is an old math problem about the man who invented chess. See, the king at the time loved the game so much, he told the inventor to name whatever he wanted for compensation. The inventor asked... more

07/05/17

Harry spent $9000 on fencing

Harry spent $9000 on fencing his rectangular backyard. The fencing cost $72 per metre. The length of the fence line is 9.5 metres less than the width. What are the dimensions of the backyard?

07/05/17

How fast is the plane traveling and what is the wind speed?

A plane traveled 2464 miles to Philadelphia and back. With the wind to Philadelphia, it took 14 hours. Into the wind from Philadelphia, it took 16 hours. How fast is the plane traveling when there... more

07/05/17

Value of home

if you buy a house for $200,000 and its value increases by 5% each year for 4 consecutive years what is its value at the end of the fourth year?  

If (51)^2 is added to the square of a number. The answer is obtained 15826 what is the number?

Plz send the answer as soon as possible

Going into college and still have no idea how to do this type of question

An apartment building contains 12 units consisting of one- and two-bedroom apartments that rent for $360 and $450 per month, respectively. When all units are rented, the total monthly rental is... more

07/05/17

probability of a cubeoctahedron when rolled, finishing on a triangle or square?

it probably can't be figured out but would it be more likely to finish on a square?

State elections to choose delegates to the national party conventions are called?

 I don't know the answer

07/03/17

How to write this equation?

You are baking cookies for your class. There are 23 total students in your class and you have baked 12 cookies. Write and solve an equation to find the additional number x of cookies you need to... more

07/03/17

unpaid balance

Find the unpaid balance on the debt. (Round your answer to the nearest cent.)After 7 years of monthly payments on $160,000 at 3% for 25 years.
Mph

07/03/17

when will the trains meet

A train leaves a station and travels north at a speed of 175 mph. Two hours later, a second train leaves on a parallel track and travels north at 225 mph. How far from the station will they meet?

the loan is 200,000 dollars. there is an interest rate of 4.75% compounded for 15 years. what is the monthly payment of the loan?

There are two formulas that can be involved with this problem, but I am not sure which one to use.

can you explain me cellular division breifly?

i think i know something about cell division but I literally want to the the whole process being in class 9 the teachers are not explaining us saying that you will get to know about this in higher... more

07/03/17

what is the length of each wire to the nearest inch?

Jim works for a landscaping company. He must plant and stake a tree. The stakes are 2ft from the base of the tree. They are connected to wires that attach to the trunk at a height of 5ft. If there... more

07/03/17

Evaluate the quiz

What can be the value of  9tan²theta + 4cot²theta

write in factored form: P(x)=3x^5−2x^4+64x^3−40x^2−275x+250 and that 5i is a zero

Given P(x)=3x^5−2x^4+64x^3−40x^2−275x+250 and that 5i is a zero, write P in factored form as a product of linear factors.

07/02/17

there is no change left correct?

I went shopping and I had a balance of $245 cash...I went to the store and spent the following total amounts $5.41, cash I gave was 6 bucks, change I got $0.59 cents  $68.24, cash I gave was 70... more

07/02/17

Graphing for Geometry

QUESTION 10Start with the point B (-1, -4). Reflect the point through the y-axis. What are the new coordinates of the point B’? Now reflect the point through the x-axis. What are the new... more

using the graph of y=sinx, list all values on x on the interval [-15 pi/4,-3pi/2] that satisfy the ordered pair (x,square root of 3/2)

I am trying to do precalc homework and need some help   using the graph of y=sinx, list all values on x on the interval [-15 pi/4,-3pi/2] that satisfy the ordered pair (x,square root of 3/2)

07/02/17

newspaper weighs 11oz. 1# will get $.08. how many newspapers will = $26.00

Kid delivers newspapers to 38 houses. The recycling center pays $.08 per pound. The newspaper weighs 11 ounces. How many newspapers does he need to get $26.00

How much does a half ounce cost if each gram costs 300 dollars, but originally every half ounce was 425 dollars with each gram being 30 dollars each?

How much does a half ounce cost if each gram costs 300 dollars, but originally every half ounce was 425 dollars with each gram being 30 dollars each?  

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