All Questions

-1

561

+866

pls help...

https://web2.0calc.com/questions/uhh-i-need-some-help

AnimalMaster Jun 18, 2020

611

help

The price of each item at the Dorf Gadget Store has been reduced by 20% from its original price. An MP3 player has a sale price of $112. What would the same MP3 player sell for if it was on sale for 30% off of its original price?

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Guest Jun 18, 2020

662

+83

Find all real solutions for x in: 2(2^x- 1) x^2 + (2^{x^2}-2)x = 2^{x+1} -2

Find all real solutions for in:

The hint given was: First prove that and have the same sign.
read more ..

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SaltyGrandma Jun 18, 2020

607

what is the general solve ?

y'=(y(t+1)+(t+1)^2)/t^2

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Guest Jun 18, 2020

541

help

x and y are positive integers such that x + y = 31. What is the largest possible value of x*y? What is the smallest possible value of x*y?

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Guest Jun 18, 2020

850

+367

HELP ASAP

Karen drove continuously from 9:40 a.m. until 1:20 p.m. of the same day and covered a distance of 165 miles. What was her average speed in miles per hour?

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imdumb Jun 18, 2020

669

HELP ASAP

A basement has a 24-foot by 32-foot rectangular floor. The basement is flooded with water to a depth of 18 inches. Three pumps are used to pump the water out of the basement. Each pump will pump 8 gallons of water per minute. If a cubic foot of water contains read more ..

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Guest Jun 18, 2020

+14

788

+680

counting and probability help

In how many ways can 36 be written as the product , where and are positive integers such that ?

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amazingxin777 Jun 18, 2020

895

+367

HELP ASAP

Kwan must read a book that is 400 pages long. He reads at a rate of one page per minute. If he begins reading on a Saturday and he reads one-half hour every day until he finishes the book, on what day of the week will he finish the book?

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imdumb Jun 18, 2020

589

Help

(-a-b)^2=? (-a+b)^2=?

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Guest Jun 18, 2020

589

help

Jack and Joe leave their homes at the same time and drive toward each other. Jack drives at mph, while60 Joe drives at 30 mph. They pass each other in 10 minutes. How far apart were Jack and Joe when they started?

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Guest Jun 18, 2020

755

A very intriguing problem that took me some time to figure out!

Hello web2.0calc, I was doing AoPS Alcumus when I found this question
Ten circles are all the same size. Each pair of these circles overlap but no circle is exactly on top of another circle. What is the greatest possible total number of intersection read more ..

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Guest Jun 18, 2020

+12

616

+315

help please

Determine the value of a.
https://latex.artofproblemsolving.com/0/9/0/090ba6228af39380edfafa9908b8a3dd14b7a383.png is the picture

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polyyou Jun 18, 2020

567

help

Find

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Guest Jun 18, 2020

627

Please explain ASAP

The number 16 has four fourth roots. find them.
I know the answers are:
2
-2 read more ..

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Guest Jun 18, 2020

793

please help

Find the least positive integer 'n' such that when its leftmost digit is deleted, the resulting number is 1/57 of the original number.

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Guest Jun 18, 2020

587

help

What is the greatest possible perimeter of a right-angled triangle with integers side lengths if one of the sides has length 12?

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Guest Jun 18, 2020

786

Finding the bearing and distance

Napoli is 170km from Rome on a bearing of 130 degrees. Foggia is 140km from Napoli on a bearing of 060 degrees. Find the distance and the bearing of Rome from Foggia

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Guest Jun 18, 2020

586

докажите тождество

(1-cos^2-a)(1+tg^a)=tg^2a

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Guest Jun 18, 2020

611

Please help

What is the sum of (5xy + x -8) and (13x +2)

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Guest Jun 18, 2020

1059

A boy’s age is now three-sevenths of what he will be four years from now. How old is he now?

help A boy’s age is now three-sevenths of what he will be four years from now. How old is he now?

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Guest Jun 18, 2020

698

help

A beaver burrows 10 holes every 5 minutes. How many
holes will it burrow if time is increased to 25 minutes?

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instabaddie.xo Jun 18, 2020

All Questions ⁺⁰237795 Questions

pls help...

help

Find all real solutions for x in: 2(2^x- 1) x^2 + (2^{x^2}-2)x = 2^{x+1} -2

what is the general solve ?

help

HELP ASAP

HELP ASAP

counting and probability help

HELP ASAP

Help

help

A very intriguing problem that took me some time to figure out!

help please

help

Please explain ASAP

please help

help

Finding the bearing and distance

докажите тождество

Please help

A boy’s age is now three-sevenths of what he will be four years from now. How old is he now?

help

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