All Questions ⁺⁰237643 Questions

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168

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Graphing

Plz help I don't understand transformations now

Help with this I think you use transformations
read more ..

Guest Jan 21, 2023

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193

1

Counting

Help me how

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 21, 2023

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161

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Geometry

Please help I need this badly

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 read more ..

Guest Jan 21, 2023

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188

1

help

A candidate running for public office receives of the total votes cast from an election. Name the numerator and denominator of the fraction that represents the candidate's fraction of the total votes.

Guest Jan 21, 2023

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165

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Counting

How to solve this problems

(a) Find the number of ways that Magnus can give out 20 identical stickers to 5 of his friends. (Not everyone has to get a sticker.)
read more ..

Guest Jan 21, 2023

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166

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Probability

need helllp quickly

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 21, 2023

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166

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Counting

Help how do you count paths

Find the number of paths from P to Q, where each step is to the right or up.

Guest Jan 21, 2023

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168

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Probability

Need help with geometric probability

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? read more ..

Guest Jan 21, 2023

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163

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Counting

plz help plz help

In the olympic women's skating competition, the gold medal goes to first place, silver to second, and bronze to third. If there are skaters, including Americans, in how many ways can the medals be awarded to read more ..

Guest Jan 21, 2023

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183

1

basic trigonometry pls help

Determine the length of x:

Guest Jan 21, 2023

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182

1

Sequence

I need help with this sequence problem

Cai writes down the list of positive integers, excluding squares and cubes and all perfect powers. His sequence starts
2, 3, 5, 6, 7, 10, 11, ...
What is the 100th term in Cai's list? read more ..

Guest Jan 21, 2023

0

195

1

sequence:

Let m = 721,000,000. Define the sequence such that a_0=0 and for n>=1. Find floor{a_2005} where floor{x} represents the greatest integer not greater than x.

Guest Jan 21, 2023

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181

1

halp

Let be a sequence of positive integers such that for all n>=1 we have Find a_128.

Guest Jan 21, 2023

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199

1

help

Let S be a subset of {1,2,3,...,1000} so that, if a and b are any (not necessarily distinct) elements of S, then their product, ab, is not an element of S. What is the maximum number of elements of S?

Guest Jan 21, 2023

+1

175

1

Expected value

help this is very hard

In a sequence of coin flips, a run is a series of consecutive coin flips that are all the same. For example, in the sequence
the red letters form a run. read more ..

Guest Jan 21, 2023

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169

1

Probability

Help really stuck

Let PQR be an equilateral triangle, centered at O. A point X is chosen at random inside the triangle. Find the probability that X is closer to O than to any of the sides. (In other read more ..

Guest Jan 21, 2023

0

186

1

Probability

Help with this problem

We define a bow-tie quadrilateral as a quadrilateral where two sides cross each other. An example of a bow-tie quadrilatera is shown below. distinct points are chosen on a circle. We draw read more ..

Guest Jan 21, 2023

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172

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Counting

How to do this?

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 21, 2023

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169

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Probability

Please help due soon

Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have a 5 on them.
read more ..

Guest Jan 21, 2023

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155

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km2 to km

1 square kilometer to kilometres

Guest Jan 21, 2023

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185

1

Arrangements

Need help with this badly

Find the number of ways of arranging the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 in a row so that the product of any two adjacent numbers is even or a mutliple of 3

Guest Jan 21, 2023

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184

1

Probability

Plz help with this

The following cards are dealt to three people at random, so that everyone gets the same number of cards. What is the probability that everyone gets a red card? There are three red cards and three yellow cards. read more ..

Guest Jan 21, 2023

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198

5

Help plz!!!

What two numbers add to 6 and multiply to 58?
List the values separated by commas. If the numbers are not real, write them in a+bi form.

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Guest Jan 21, 2023

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