All Questions ⁺⁰237827 Questions

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3x squared minus 5x minus 13 in quadratic form

3x squared minus 5x minus 13 in quadratic form

Guest Feb 2, 2023

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163

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Counting

Help plz with counting

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 Feb 2, 2023

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178

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Geometry

I have no answer

In the diagram below, PQRS is a parallelogram with a perimeter of 26 and an area of 28. What is the perimeter of rectangle OSTQ? Include an explanation of how you solved the problem.

Guest Feb 2, 2023

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189

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Counting

Need help with counting

Find the number of paths from A to I, if each step must be in a right-ward direction. (For example, one possible path is A C D E F G H I)

Guest Feb 2, 2023

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158

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Seasons of the year

If it's summer now, what season will it be 6 months from now?

Guest Feb 2, 2023

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193

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What integer that makes the following addition sentence true: + 26 = –22

What integer that makes the following addition sentence true: + 26 = –22

Guest Feb 2, 2023

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166

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Help please!

A scientist recorded the movement of a pendulum for 9 s. The scientist began recording when the pendulum was at its resting position. The pendulum then moved right (positive displacement) and left (negative displacement) several times. The pendulum took read more ..

Guest Feb 2, 2023

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180

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Graphing question

Help Im very lost here

The graph of y = f(x) is shown below.
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Guest Feb 2, 2023

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189

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Geometry

(1) In tetrahedron ABCO, angle AOB = angle AOC = angle BOC = 90^\circ. A cube is inscribed in the tetrahedron so that one of its vertices is at O, and the opposite vertex lies on face ABC. Let OA = 1, OB = 1, OC = 1. Show that read more ..

Guest Feb 2, 2023

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189

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Probability

Help me plz

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 Feb 2, 2023

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183

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Math problem

Help how do you solve this

Six children are each offered a single scoop of any of 3 flavors of ice cream from the Combinatorial Creamery. In how many ways can each child choose a flavor for their scoop of ice cream so that each flavor read more ..

Guest Feb 2, 2023

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Counting

Plz help I need answer

In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?
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Guest Feb 2, 2023

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177

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mykal

Guest Feb 2, 2023

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168

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hi jaylen

Guest Feb 2, 2023

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189

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Help counting

A standard six-sided die is rolled 7 times. You are told that among the rolls, there was one 1, two 2's, and three 4's. How many possible sequences of rolls could there have been? (For example, 5, 1, 2, 2, 4, 4, 4 is one possible sequence. read more ..

Guest Feb 2, 2023

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164

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Counting

Help with hard 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 read more ..

Guest Feb 2, 2023

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173

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Counting

I need the answer here

Three adults and three children are to be seated at a circular table. In how many different ways can they be seated if each child must be next to at least one adult? (Two seatings are considered read more ..

Guest Feb 2, 2023

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172

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Counting

Plz help I need it

Catherine rolls a 6-sided die five times, and the product of her roll is . How many different sequences of rolls could there have been? (The order of the rolls matters.)

Guest Feb 2, 2023

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185

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Constant term

Need help finding the constant term

Find the constant term in the expansion of (2z - 1/(z*sqrt(z)) + 1)^4.

Guest Feb 2, 2023

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178

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Counting

I gotta get this question right

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 Feb 2, 2023

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179

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Probability

Help I need the answer quick

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 read more ..

Guest Feb 2, 2023

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