All Questions ⁺⁰237643 Questions

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225

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Counting

Helppp on problem

(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.)
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Guest Jan 23, 2023

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172

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Probability

Plz help I keep getting wrong answer

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. read more ..

Guest Jan 23, 2023

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171

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Coordinates

Plz help this coordinate is due soon

A median of a triangle is a line segment joining a vertex of a triangle to the midpoint of the opposite side. The three medians of a triangle are drawn below.
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Guest Jan 23, 2023

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209

2

+6

Number Theory Help

As $n$ ranges over the positive integers, what is the maximum possible value for the greatest common divisor of $11n+3$ and $6n+1$?

gracelai1290 Jan 23, 2023

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155

0

Counting

Need big help with counting

A fair coin is tossed 12 times. How many different sequences of tosses could there have been, if the number of tosses was at least

Guest Jan 23, 2023

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159

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Counting question

I need the answer to soon

Syd chooses two different primes, both of which are greater than 10 and multiplies them. The resulting product is less than How many different products could Syd have ended up with? read more ..

Guest Jan 23, 2023

+2

156

0

Expected value

I need help please help

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 23, 2023

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161

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Binomial Theorem

Plz help I need help with this

Find the positive integer n such that the expansion of (4x - 7y)^n contains a term of the form cx^2*y.

Guest Jan 23, 2023

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153

0

Counting problem

Help I get wrong answer

Each unit square of the 4 x 4 grid below is to be filled in with the number 1, 2, 3 or 4 so that
* each row contains the numbers 1, 2, 3, and 4 in some order read more ..

Guest Jan 23, 2023

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159

0

Counting

Need lots help on this one.

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.
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Guest Jan 23, 2023

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164

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Counting

Need help on 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 23, 2023

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178

1

Probability

How am I supposed to do this

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 read more ..

Guest Jan 23, 2023

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203

2

Help Needed!

Initially 40% percent of the students at the school dance are freshman. Then 15 more freshman arrive,after which 52% are freshman.How many students are now at the dance after the freshman arrive?

Guest Jan 23, 2023

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165

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Expected value

Help how do you solve problems

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.
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Guest Jan 23, 2023

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188

1

Sequences

Plz help with sequences

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?

Guest Jan 23, 2023

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157

0

Counting

This is related to binomials

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

Guest Jan 23, 2023

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163

0

Geometry

Help I can't this geometry

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 23, 2023

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157

0

Counting

How to do counting

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 23, 2023

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160

0

Graphing

Need help soon

The graph of y = f(x) is shown below.
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Guest Jan 23, 2023

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153

0

Complex Numbers

I don't know to do here

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

Guest Jan 23, 2023

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177

1

Scientific notation

How to change number into scientific notation?

Guest Jan 23, 2023

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