All Questions ⁺⁰237783 Questions

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Fractions

Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the read more ..

Guest May 14, 2022

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362

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Arithmetic sequence

Let a_1, a_2, a_3, ... be an arithmetic sequence.

If a_{23} = 2/3 and a_{53} = , what is a_{35}?

Guest May 14, 2022

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337

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NEED HELP!!

Compute the value of

Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is greater than the denominator. He then writes several more fractions. To make each read more ..

Guest May 14, 2022

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333

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geometry problem

The distance from Capital City to Little Village is 51 miles. From Capital City to Yourtown is 37 miles, from Mytown to Little Village is 8 miles, and from Yourtown to Mytown is miles. How far is it from Mytown to Capital City? read more ..

Guest May 14, 2022

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Geometry.

The axis of the sphere below is 14 units in length. What is the surface area of the sphere? A. 256pi units^2 B. 72pi units^2 C. 196pi units^2 D. Cannot be determined read more ..

Guest May 14, 2022

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346

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Stats

The mean of six numbers is 14. If one of the six numbers is removed, the mean becomes . What is the value of the number removed?

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320

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Algebra

The sum of the squares of two nonnegative numbers is 327. The product of the two numbers is . What is the sum of the two numbers?

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326

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help algebra

Five times a number is divided by 7 more than the original number. If the result is , then what was the original number?

Guest May 14, 2022

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312

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Sum of 10

Hi Max: Can this question be solved algebraically? I know it can easily be solved by writing a short code in Phthon or C or Java....etc. How many 10-digit integers have the SUM of their digits be multiples of 10? Example:1123769146 =1+1+2+3+7+6+9+1+4+6==40 read more ..

Guest May 14, 2022

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Number Theory

If 3x+7=2 (mod 16), then 2x+11+4x is congruent (mod 16) to what integer between 0 and 15, inclusive?

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330

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Angles

What is the measure (in degrees) of the smallest interior angle of a triangle in which the exterior angle measures have the ratio ?

Guest May 14, 2022

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354

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+273

Geometry help

In the figure, angles ABC and AST are right angles. If AC = 35, AT = 11, and BT = 9, then what is AS?

TheEarlyMathster May 14, 2022

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318

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3/(4+1/(3+2/5)) Simplification

3/(4+1/(3+2/5)) In it's progression, when 4+1/17/5, why and how does it become 4+17/5 as it seems to change thre result from 1/17/5

Guest May 14, 2022

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322

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Percent

A tank holds 100 gallons of a thoroughly mixed solution which is 50% alcohol. Twenty-five gallons are drained from the tank and replaced with a solution that is alchohol. The solution in the tank is thoroughly mixed. This procedure is repeated 2 more times. read more ..

Guest May 14, 2022

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321

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Number Theory

If m is the smallest positive integer such that m! is a multiple of 4125, and n is the smallest positive integer such that n! is a multiple of 2816000, then find n-m.

Guest May 14, 2022

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310

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Inequality

My street hockey team plays three games each week. My team lost all 12 games in the first four weeks. Then, my team won two games and lost one game in the fifth week, bringing our record to 2 wins and 13 losses. Each week after that, my team won two read more ..

Guest May 14, 2022

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327

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counting problem

Find the number of 10-digit numbers, where the sum of the digits is divisible by

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322

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Product

Determine the value of the infinite product
Enter your answer in the form "\sqrt[a]{b}"

Guest May 14, 2022

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332

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Inequality

Jeri finds a pile of money with at least $200. If she puts $80 of the pile in her left pocket, gives away of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away of read more ..

Guest May 14, 2022

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310

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Congruence

If a, b, c are positive integers less than 13 such that
2ab + bc + ca = 0 (mod 13)
ab + 2bc + ca = 10abc (mod 13)
ab + bc + 2ca = 7abc (mod 13) read more ..

Guest May 14, 2022

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319

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Trig functions

Find all numbers in the range of f(x) = arctan x + arctan (1 - x).

Guest May 14, 2022

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407

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Football Casework

In American football, a touchdown scores 7 points, a field goal scores 3 points, and a safety scores 2 points. If a team scored a total of 24 points, how many combinations of plays is possible? The order of the plays does not matter, so touchdown and field read more ..

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330

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proportion

The value of y varies inversely as sqrt(x) and when x=2, y=4. What is x when y=16?

Guest May 14, 2022

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293

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Don't Know Where To Start

The UPC code, made up of numbers and dashes, on a video tape is 9-78094-11006-x. The digit x is in the 12th position. Let n be the value obtained by adding the digits in the odd positions, tripling that sum, and then adding the digits in the even positions. read more ..

Guest May 14, 2022

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