All Questions ⁺⁰237784 Questions

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163

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counting

Joanna has six beads that she wants to assemble into a bracelet. Two of the beads have the same color, and the other four all have the same color. How many different ways can Joanna assemble her bracelet? (Two bracelets are considered identical if one can read more ..

Guest Mar 29, 2023

Mar 28, 2023

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145

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geometry

In triangle ABC, the angle bisector of angle BAC meets AC at D. If angle BAC = 60, angle ABC = 60, and AD = 24, then find the area of triangle ABC.

Guest Mar 28, 2023

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144

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counting

At a meeting, five scientists, two mathematicians, five journalists, two biologists, and three politicians are to be seated around a circular table. How many different arrangements are possible if the scientists must all sit together (in read more ..

Guest Mar 28, 2023

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170

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Probability

A standard six-sided die is rolled twice. What is the probability that the product of the rolls is 1, 2, or 3?

Guest Mar 28, 2023

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141

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Polygon

Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on AB with a vertex C next to A Find angle BCD in degrees.

Guest Mar 28, 2023

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165

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Algebra

Carissa the chessplayer is a very, very slow walker. In fact, she walks at 100 meters per hour when walking uphill, 180 meters per hour when walking across flat ground, and 250 meters per hour when walking downhill. One day, Carissa walks read more ..

Guest Mar 28, 2023

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167

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Algebra

Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is 1 greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the denominator read more ..

Guest Mar 28, 2023

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137

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counting

When two standard 6-sided dice are rolled, there are 36 possible outcomes for the sum of the two rolls: one sum of 2, two sums of 3, and so on, up to one sum of 12.
Find all possible ways of numbering two 6-sided dice read more ..

Guest Mar 28, 2023

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153

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What are the common factors of 8 and 12

What are the common factors of 8 and 12

Guest Mar 28, 2023

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142

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Probability

Need help with probability
My sock drawer contains two red socks, two white socks, and two blue socks. For three days in a row, I pull out two socks out of my sock drawer at random. What is the probability that I get matching read more ..

Guest Mar 28, 2023

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142

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Folytasd a sorozatot 5 taggal! A számszomszédos tagok között mindig ugyanannyi a külömbség 780g 1kg 26 dkg 1740 g

Folytasd a sorozatot 5 taggal! A számszomszédos tagok között mindig ugyanannyi a külömbség 780g 1kg 26 dkg 1740 g

Guest Mar 28, 2023

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155

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precalc

Plz help with parametric equations
The position of a particle is given by the parametric equations
x = 1 + sin pi*t - cos pi*t
y = 3*sin pi*t + 2*cos pi*t read more ..

Guest Mar 28, 2023

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146

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Algebra

Let r be a root of x^3 - 2x + 5 = x^3 - x^2 + 9. Show that none of r, r^2, or r^3 is irrational.

Guest Mar 28, 2023

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147

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counting

I need help with this
You are given the 4 x 4 grid below.
(a) Find the number of ways of placing 8 counters in the squares (at most one counter per square), so that each row contains exactly two counters.
(b) read more ..

Guest Mar 28, 2023

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