All Questions ⁺⁰237779 Questions

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Number Theory

What is the remainder when the sum 1^{2}+2^{2}+3^{2}+...+2016^{2} + 2017^2 + 2018^2 +2019^2 +2020^2 is divided by 17?

Guest May 27, 2022

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214

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Proportion

Suppose that x is inversely proportional to b. If x = 3 when b = 16, find x when b = 8. Express your answer as a fraction.

Guest May 27, 2022

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364

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+38

What is the area of the figure?

What is the area of the figure?

appleboi1u May 27, 2022

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293

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Maths

Clay and Timmy had $318 altogether. Timmy had $18 less than Clay. After Timmy spent some money at the store, Clay had 6 times as much money as Timmy. How much money had Timmy spent at the store?

Guest May 27, 2022

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317

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Help

Justin and Mike had an equal number of bookmarks. After Justin gave away 20 bookmarks and Mike gave away 33 bookmarks, Justin had 2 times as many bookmarks as Mike. How many bookmarks did each have at first?

appleboi1u May 27, 2022

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255

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geometric series

Evaluate 1 + 2/7 + 4/49 + 8/343 + ...

Guest May 27, 2022

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333

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Math

Shelby had 32 rocks. She finds 33 more rocks at the park and gives 28 rocks to George. How many rocks does she have now?

Guest May 27, 2022

May 26, 2022

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218

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3d geo

A solid right prism has a height of 16 as shown. Also, its bases are equilateral triangles with side length 12. Points X Y Z and are the midpoints of edges AC, BC, DC respectively. A part of the prism above is read more ..

Guest May 26, 2022

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325

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math

Tommy had 192 stickers and Terrance had 116 stickers. When each one gave away the same number of stickers, Tommy then had 5 times as many stickers as Terrance. How many stickers did each friend give away?

Guest May 26, 2022

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283

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Math

A school buys some outdoor benches. They spend $385 in total for 5 benches. The company they use offers a discount scheme. The first bench is full price. The next two benches get a 25% discount on the full price. Any additional benches are reduced by 50% read more ..

Guest May 26, 2022

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geometry

In triangle ABC, AB = AC = 25 and BC = 20. Points D, E and F are on sides AB, BC and AC respectively, such that DE and EF are parallel to AC and AB respectively. What is the perimeter of parallelogram ADEF?

read more ..

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Guest May 26, 2022

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HELP!!!

A certain club has $50$ people, and $4$ members are running for president. Each club member - including the members running for president - votes for one of the $4$ candidates. Candidates may vote for themselves or for a different candidate. How many different read more ..

Blizzardshine May 26, 2022

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358

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Complex Numbers

Find all complex numbers z such that z^2 = 2i + 2.

Guest May 26, 2022

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276

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Coordinates

A segment with endpoints at A(2, -2) and B(14, 4) is extended through B to point C. If BC = AB, what are the coordinates for point C? Express your answer as an ordered pair.

Guest May 26, 2022

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223

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Algebra

a and b are real numbers and satisfy ab^2 = 27/5 and a^2/b=135. Compute a+5b.

Guest May 26, 2022

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303

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+41

exponential regression

How do you calculate exponential regression from points on a graph?
please help me... pls. I been trying to find it for days... not even joking...
all I find online is talking about how to do it in a calculator but that doesn't help me. read more ..

Iconaguard May 26, 2022

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208

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Ratios

What is the ratio of x to y if: (10x - 3y)/(13x - 26) = ? Express your answer as a common fraction.

Guest May 26, 2022

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208

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help alegbra

(x^2 - 19 + 2x - 3)/(x^3 - 2x^2 -5x + 6) = A/(x - 1) + B/(x + 2) + C/(x - 3)
Find constants A, B, and C so that the above expression holds for all real numbers other than 1, -2, and 3.

Guest May 26, 2022

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282

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Trapezoid

What is the area of the trapezoid shown? Express your answer in simplest exact form.

Guest May 26, 2022

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394

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Help!

what is the smallest number of cars that can tailgate in a straight line at a football game so that one car is in front of two cars, one car is behind two cars, and one car is between two cars?

Guest May 26, 2022

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213

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Domain

If h(x) is a function whose domain is [-8, 8], and g(x) = h(x)/2, then the domain of g(x) is an interval of what width?

Guest May 26, 2022

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