All Questions ⁺⁰237665 Questions

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272

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number theory

Modify one digit in the number 31743 can make it a multiple of 281. What is the number after change

Guest May 26, 2021

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407

1

algebra

The real numbers a, b, c satisfy a + b + c = 0 and abc = 18. What is a^3 + b^3 + c^3?

Guest May 26, 2021

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503

2

ratios, fractions (help me EP)

Henry completed 5/8 of the questions in a quiz in the first hour. He managed to complete another 13 questions in the second hour and the ratio of the question that were unanswered to the questions that were answered became 1 : 6. What was the total number read more ..

Guest May 26, 2021

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373

0

geometry: ef is tangent to circle o, ad is a diameter, mab=30, md=40, mde=50. find angles 1-10

ef is tangent to circle o, ad is a diameter, mab=30, md=40, mde=50. find angles 1-10

Guest May 26, 2021

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443

1

Mat

Daisy wants to make 12 clay animals to give away as Valentines gifts. Each animal she makes uses 1/2 of a stick of clay. How much clay will Daisy need to make all the animals?

Guest May 26, 2021

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465

1

Exponential Function

Determine the exponential function represented by the graph below.
Thank you for helping!

Guest May 26, 2021

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340

1

help with number theory

Determine the sum of all prime numbers p for which there exists no integer solution in x to the congruence
3(6x+1) + 12x = 4 mod(p).

Guest May 26, 2021

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475

1

Exponential function

Statistics Canada has been tracking the number of farms in Alberta. In 2011, there were 43 234 farms. Since that time, the number of farms has decreased at an average rate of 1.2% per year.

State an exponential equation that could read more ..

Guest May 26, 2021

0

1

483

1

Basic Math Problem

All Harriet wants for her
12th birthday is a Dwarf Hamster,
maybe even more than one so the
hamster won’t get lonely. To prove to read more ..

Guest May 26, 2021

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292

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probability

A new transit system has just gone into operation in a city. Of those who use the transit system this year, 10% will switch over to using their own car next year and 90% will continue to use the transit system. Of those who use their cars this year, 80% read more ..

Guest May 26, 2021

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443

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mathematics

When a carton of apples were packed into bags of 4, there would be 3 apples left over. When the same number of apples were packed into bags of 6, there would still be 3 apples left over. What could be the least number of apples in the carton?

Guest May 26, 2021

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473

2

Number Theory

There is a number formed by n copies of 2020 and 1 in the unit place. If this number is divisible by 17, what is the smallest possible value of n?

Guest May 26, 2021

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481

1

+569

help

this test is so important to meee and these are some problems on the review page that i am puzzled about
https://web2.0calc.com/questions/1-triangle-abc-and-triangle-cde-are-equilateral-triangles

iamhappy May 26, 2021

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408

1

basic one for fun

20.6 Eur was paid for the hat and scarf. A hat is four times more expensive than a scarf. How much does a hat cost?

Guest May 26, 2021

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432

1

help with polynomials

Let f(x) = -3x^2 + x - 4, g(x) = -5x^2 + 3x + 8, and h(x) = 6^x^2 + 7x - 3. Express f(x) + g(x) + h(x) as a single polynomial, with the terms in order by decreasing degree.

Guest May 26, 2021

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429

1

Polynomials

Let f(x) = x + 5 and g(x) = x^3 + 1. Let p(x) = g(x) + f(x) and q(x) = g(x) - f(x). Find p(x)*q(x).

Guest May 26, 2021

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466

1

Help!

1.If log2X=7 find log8 X

Guest May 26, 2021

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462

1

Help

Alejandra's Tapas Bar offers a menu consisting of 9 savory and 6 sweet dishes. You can also get a mix-and-match plate consisting of two different dishes on the menu.
How many different mix-and-match plates can you get in total?

Guest May 26, 2021

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446

2

Modular Arithmetic

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 May 26, 2021

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464

2

polynomial

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

Guest May 26, 2021

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492

1

URGENT NEED PLEASE HELP

As shown in the diagram, W, X, Y, and Z are the midpoints of the sides of square ABCD with center O. Describe a sequence of transformations that maps square ABCD to square WXYZ. (In particular, read more ..

Guest May 26, 2021

+1

419

1

+5

Triangle Proofs

this triangle proofs

ny.schooluser May 26, 2021

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422

1

PLEASE help asapppp!

A graph is shown below:
https://cdn.flvsgl.com/assessment_images/4231-images/mjprealgebra_segment2_test1_g5_c2.jpg
What is the equation of the line in slope-intercept form? (5 points)
y = −2x + 8 read more ..

Guest May 26, 2021

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