All Questions ⁺⁰237827 Questions

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188

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Probability

Help I keep getting wrong answers

A stick is broken at two points, at random. If the length of the stick is 6, then what is the probability that all three resulting pieces are shorter than 3 units?

Guest Jan 20, 2023

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167

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Algebra

Plz help this is due really soon

A magician makes potions by combining maple syrup from a magical maple tree with ordinary water. The magician starts with a large supply of two potions: a red potion, which is 50% magical syrup by read more ..

Guest Jan 20, 2023

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173

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oh oh oh oh rileyyyyy

oh oh oh oh rileyyyyy

Guest Jan 20, 2023

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173

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Graphing

No idea where to start

What is the smallest distance between the origin and a point on the graph of y = 1/2*(x^2 - 8)?

Guest Jan 20, 2023

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170

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Geometry

How do you find the radius?

Find the circumradius of triangle ABC. Find the inradius of triangle ABC.
read more ..

Guest Jan 20, 2023

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171

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Binomials

Help to simplify

For nonnnegative integers a and b, where a >= 2 and b >= 2, simplify
binom{a + b}{2} + binom{2a + b}{2} + binom{a + 2b}{2} - binom{a - b}{2}

Guest Jan 20, 2023

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172

0

Probability

help pleeez

Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the probability that the area of triangle XYD is at most 20?

Guest Jan 20, 2023

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168

0

Probability

Please help I don't know what to do here

In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers (1, 2, 3, 4, 5, 6, and 7). Among all the cards of each read more ..

Guest Jan 20, 2023

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184

1

Fractions

Need help with fractions

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, read more ..

Guest Jan 20, 2023

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169

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Trapezoid

how do you find missing height of trapezoids

Guest Jan 20, 2023

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162

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Counting

Plz help with this hard

In how many ways can you distribute 10 indistinguishable balls among 8 distinguishable boxes, if at least one of the boxes must be empty?

Guest Jan 20, 2023

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198

1

Algebra

Help I don't know what to do here

Let a and b be real numbers such that a + b = 4 and a^4 + b^4 = 16.
(a) Find all possible values of ab
(b) Find all possible values of a + b
(c) Find all possible values of a and read more ..

Guest Jan 20, 2023

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156

0

Algebra

Can anyone here help?

Let a and b be real numbers such that a^3 + 3ab^2 = 679 and a^3 - 3ab^2 = 673. Find a - b.

Guest Jan 20, 2023

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165

0

Algebra

Help having trouble

Expand (sqrt(t) + 3t + 1)^3 + (sqrt(t) - 3t + 1)^3. read more ..

Guest Jan 20, 2023

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166

0

Counting

Help I need help quick

There is a group of five children, where two of the children are twins. How many ways can I distribute 10 identical pieces of candy to the children, if the twins must get an equal amount of candy? read more ..

Guest Jan 20, 2023

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155

0

Algebra

I'm confused on this

Arrange the following numbers in increasing order (smallest first, biggest last):
read more ..

Guest Jan 20, 2023

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163

0

Geometry

Can anyone help?

Triangle ABC is a right triangle with angle BAC= 90 degrees and angle B > angle . Suppose AP is an altitude of the triangle, AQ is an angle bisector of the triangle, and AR is a median of the triangle, read more ..

Guest Jan 20, 2023

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161

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two + one

6x + 8 + (4x + 3)

Guest Jan 20, 2023

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195

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60!/40!20! .80!20/100

60!/40!20! .80!20/100

Guest Jan 20, 2023

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200

1

help

The surface area of a rectangular prism with length l, width w, and height h is 2lw+2wh+2lh. Reba painted a box shaped like a rectangular prism for her little sister to use as a treasure box. The treasure box is 12 inches long, 5 inches wide, and 4 inches read more ..

Guest Jan 20, 2023

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199

1

Counting

What is the answer

Find the number of positive integers that satisfy the following conditions:
* Each digit is a 1 or a 2 or a 3 read more ..

Guest Jan 20, 2023

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164

0

Graphing question

Help with this I think you use transformations

The graph of y = f(x) is shown below.
read more ..

Guest Jan 20, 2023

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164

0

Probability

I have hard time

A member of the junior varsity swim team will be elected as President. Each member is equally likely to be elected. The probability that a sophomore is elected is the probability that a freshman is elected. read more ..

Guest Jan 20, 2023

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165

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Complex numbers

Can someone explain this?

Describe all solutions to zw - 3w - 2iw + 4z = 7iw + 5w + 11iz - 13 + 15i
where z and w are complex numbers.

Guest Jan 20, 2023

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