All Questions ⁺⁰237784 Questions

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297

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Proportion

Each of six shepderds has 660 sheep. If 5 out of 15 of each shepherd's sheep are sick, what is the total number of all of the shepherds' sheep that are sick?

Guest Jul 18, 2022

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299

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Can someone pls help me

There are 50 animals on the farm. There are 30 cows on a farm and a number of chickens and horses. When the farmer trades away as many cows as there are horses, there are an equal number of cows to chickens and horses. Now how many cows, chickens, and horses read more ..

Guest Jul 18, 2022

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293

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digits

A, B, C, and D are positive digits such that ABCD + BCD + CD + D =2021. Find A + B + C + D

Guest Jul 18, 2022

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302

2

Help please!

Let $f$ and $g$ be functions with domain $\mathbb{R}$. Suppose $\lim_{x \rightarrow a} f(x) = b$ and $\lim_{x \rightarrow b} g(x) = c$. Prove or disprove that $\lim_{x \rightarrow a} (g \circ f)(x) = c$. (If true, explain why, with a rigorous proof if possible;read more ..

Guest Jul 18, 2022

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296

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help geometry

In the diagram below, the area of triangle BCD is 60. What is the length of side BC?

Guest Jul 18, 2022

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293

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Today is my brithday

Today is my brithday

Guest Jul 18, 2022

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328

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Help

Alex is painting a house. He uses 1/3 of the paint he bought on the dining room. He uses twice as much on the living room as on the kitchen, where he uses 1 1/2 gallons. He has 1 1/2 gallons of paint left. How much paint did Alex buy?

Guest Jul 18, 2022

+1

297

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divisors

If we let f(n) denote the sum of all the positive divisors of the integer n, how many intergers i exist such that 1 <= i <= 2010 and f(i) = i + 1?

Guest Jul 18, 2022

+2

310

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+27

HELP FAST PLZ ITS AN EMERGENCY HELLLLLPP. PLLZZZZZ I NEEED HELP PLLLLLZZZZZ HELP MEEEEE

19765!-42734!^2

MathBreathing Jul 18, 2022

+1

322

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help geometry

The volume of a cube is numerically equal to four times the sum of the lengths of its edges. What is the volume, in cubic units, of the cube? Express your answer in simplest radical

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Guest Jul 18, 2022

+1

308

6

bases

What's the least three digit integer, in base 15.

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Guest Jul 18, 2022

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256

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Sums

How many unique sums can be formed by adding any three different numbers from the set {4,6,8,9,12,14,16,18}?

Guest Jul 18, 2022

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318

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+491

I asked this question a few day ago - Can someone elp me please?

I asked this question a few day ago - Can someone elp me please?

https://web2.0calc.com/questions/help-please_95355

Elijah Jul 18, 2022

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290

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Graphing Parabolas Part 2

The graph of y = ax^2 + bx + c, in which a, b, and c are real numbers, is shown. What is the value of a + 2b - c? Express your answer in simplest radical form.

read more ..

Guest Jul 18, 2022

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272

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counting

In how many ways can 3 identical red balls, 3 identical green balls, and 3 identical blue balls be arranged in a 3x3 grid, such that each row and each column of the grid contains 1 red ball?

Guest Jul 18, 2022

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293

1

Algebra

Find all values of x such that 2x/(x + 2) = -8/(x + 4).
If you find more than one value, then list your solutions, separated by commas.

Guest Jul 18, 2022

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288

2

trig question

Determine the value of ? in the figure below.

Guest Jul 18, 2022

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303

1

Hexagon

In the figure, A and B are the midpoints of two sides of a regular hexagon. What fraction of the hexagon's area is gray? Express your answer as a common fraction.

read more ..

Guest Jul 18, 2022

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270

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Polynomials

Let (1 + 2x + x^2)^4 = a_0 + a_1 x + a_2 x^2 + ... + a_8 x^8. What is the value of a_1 + a_3 + a_5 + a_7?

Guest Jul 18, 2022

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293

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Cylinders

If the diameter is a cylinder is increased by 150% and the height remains the same, by what percent does its volume increase?

Guest Jul 18, 2022

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296

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geometric series

Let N be the sum of the geometric series 8^1 + 8^2 + ... + 8^2021. What is the remainder when N is divided by 19?

Guest Jul 18, 2022

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295

3

Graphing Parabolas

The graph of y = ax^2 + bx + c, in which a, b, and c are real numbers, is shown. What is the value of a + b + c? Express your answer in simplest radical form.

read more ..

BuilderBoi ●●●

Guest Jul 18, 2022

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235

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Probability

Kenton is an excellent basketball player, but unfortunately, he misses his first shot of the game. However, he finishes the game having made 8 out of 10 attempted shots. What is the percent probability that, at some point in the game, he made read more ..

Guest Jul 18, 2022

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