All Questions ⁺⁰237720 Questions

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Bryan baked a total of 1060 chocolate puffs and strawberry puffs. After giving away an equal number of both types of puffs, he was left with 2/7 of the chocolate puffs and 1/5 of the strawberry puffs. What was the total number of puffs left?

Guest Sep 21, 2021

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338

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Please help me with this question

There were 3/7 as many notebooks as pencils being sold. Each notebook
cost $4 more than each pencil. The total amount received from the sale of
notebookswas $120 more the amount received from the sale of pencils.
The total amount read more ..

Guest Sep 21, 2021

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429

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help with coordinates

The points (-1,4) and (2,-8) are adjacent vertices of a square. What is the area of the square?

Guest Sep 21, 2021

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336

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Number Theory

What is the ones digit of 1^2009 + 2^2009 + 3^2009 + ... + 100^2009?

Guest Sep 21, 2021

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415

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Algebra

Jim began a 164-mile bicycle trip to build up stamina for a triathlon competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole triptook 6 hours. If Jim walks at a rate of 4 miles per hour and rides at 44 miles per read more ..

Guest Sep 21, 2021

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364

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sqrt(200920102011*2012+1)

Как вычислить 2009*2010:2011*2012+1

Guest Sep 21, 2021

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387

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help

Guest Sep 21, 2021

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605

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The sum of three consecutive positive integers is a perfect cube. Find the least possible value of the smallest number, assuming that the mi

The sum of three consecutive positive integers is a perfect cube. Find the least possible value of the smallest number, assuming that the middle number ends in at least 5 zeros.

Guest Sep 21, 2021

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267

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Domain

If f(x) = 2 - x^(1/2) and g(x) = x^2 - 9, what is the domain of g(x)/f(x)?

Guest Sep 21, 2021

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379

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fraction/percentage

Mr Aziz had some apples. He sold 1/5 of the apples on Monday and
80 apples on Tuesday. In the end, he was left 30% of the apples he
had at first. How many apples did he have in the end?

Guest Sep 21, 2021

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314

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Coordinates

Write the equation of the line that passes through the points (-6,6) and (7,9). Put your answer in fully reduced point slope form, unless it is a vertical or horizontal line,

Guest Sep 21, 2021

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365

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Pls help, tks!

Jennifer had a total of 132 markers and crayons. After she gave away 4/5 of
markers and 18 crayons, she had an equal number of markers and
crayons left.
(a) How many markers did she have left? read more ..

Guest Sep 21, 2021

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252

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plz help

Let f(x)=x^4-3x^2+2 and g(x)=2x^4-6x^2+2x-1. What is the degree of f(x) + g(x)?

Guest Sep 21, 2021

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368

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word problem

A jar contains n nickels and d dimes. There are 22 coins in the jar, and the total value of the coins is $1.60. How many nickels and how many dimes are in the jar?

Guest Sep 21, 2021

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437

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Number Theory

For each positive integer n, let S(n) denote the sum of the digits of n. How many three-digit n's are there such that S(n) = n (mod 9) ?

Guest Sep 21, 2021

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270

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Polygon

If each exterior angle of a regular n-gon is $9$ how many sides must the polygon have

Guest Sep 21, 2021

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284

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how to display answer in scientific notation

display in scientific notation

Guest Sep 21, 2021

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416

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Algebra

The polynomial
f(x) = x^3 + 10x^2 + 27x - 38
has one integer root. What is it?

Guest Sep 21, 2021

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272

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Number Theory

The inverse of a modulo 39 is b. What is the inverse of 14a modulo 39 in terms of b? Give your answer as an expression in terms of b.

Guest Sep 21, 2021

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315

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geometry question

In the diagram below, line AB is parallel to line CD, EF = FG,

Guest Sep 21, 2021

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271

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Coordinates

Write the equation of the line (in slope-intercept form) that passes through the points (1, 6) and (2, 8).

Guest Sep 21, 2021

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