All Questions ⁺⁰237647 Questions

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181

1

Counting

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?

Guest Feb 8, 2023

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195

1

Digits

Find the number of six-digit numbers, where the sum of the digits is divisible by 8.

Guest Feb 8, 2023

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194

1

Counting

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 8, 2023

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205

2

Sum

Sam writes down the numbers 1, 2, 3, ..., 99. What does he get when he adds them up?

Guest Feb 8, 2023

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181

1

Counting

In a regular decagon, the sides are to be colored with five different colors, so that sides are diametrically opposite have the same color. (Not all five colors need to be used.) One possible coloring is shown below.
read more ..

Guest Feb 8, 2023

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180

2

System

For a certain value of k, the system
x + y + 3z = 10
-4x + 8y + 5z = 7
kx + z = 3 read more ..

Guest Feb 8, 2023

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191

1

GEOMETRY - need help soon

Help me, this is due soon

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 Feb 8, 2023

0

211

2

COUNTING - pleeez help meee

This is due really soon, I need it

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 read more ..

Guest Feb 8, 2023

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202

1

PROBABILITY - needed now

I need the answer to this

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 8, 2023

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215

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ALGEBRA - please help - its due soon

Hello, I have no idea how to do this, can someone help?
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 60% magical syrup read more ..

Guest Feb 8, 2023

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202

1

Counting

I need help here plz

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 8, 2023

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162

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Distributions

Help needed plz!

In how many ways can 4 balls be placed in 5 boxes if the balls and boxes are both distinguishable?

Guest Feb 8, 2023

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189

1

Math Question

Misha is the 50th best as well as the 50th worst student in her grade. How many students are in Misha's grade?

Guest Feb 8, 2023

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164

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Graphing question

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

For each point (a,b) that is on the graph of y = f(x), the point ((a - 7)/2, (3b + 1)/4) is plotted, forming the graph of another function y = g(x). As an example, the point read more ..

Guest Feb 8, 2023

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188

1

Counting

Help I need to count this

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

Guest Feb 8, 2023

0

190

1

Sequences

I need 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?
<read more ..

Guest Feb 8, 2023

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169

1

Geometry

Let be a triangle with area and Suppose that there exists a number such that every rectangle with on on and on has perimeter Find read more ..

Guest Feb 8, 2023

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170

1

Geometry

The three angle measures in a triangle, in degrees, are all integers greater than or equal to .
How many different sets of angle measures are there for such a triangle so that ?

Guest Feb 8, 2023

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191

2

GEOMETRY

Cat and Claire are having a conversation about Cat's favorite triangle.
Cat says, "My favorite triangle is a right triangle with integer side lengths, all of which are less than or equal to ."
Claire says, "I don't know your favorite triangle read more ..

Guest Feb 8, 2023

Feb 7, 2023

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262

1

24= 3/4 r

Guest Feb 7, 2023

+3

202

2

+23

Percentage

What is 14(1/3)% as a decimal (not as a percentage)? And also what's 42.5% as a fraction in simplest form.

Ds1234 Feb 7, 2023

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193

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7th Grade Math

Reasoning A store sells packages of comic books with a poster. A poster and 6 comics cost $13.99. A poster and 13 comics cost $20.99. Write a linear function rule that models the cost y of a package containing any number x of comic books.
Suppose read more ..

Guest Feb 7, 2023

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215

1

Counting

Help me with this

Find the number of solutions to
x_1 + x_2 + x_3 + x_4 + x_5 + x_6 + x_7 + x_8 + x_9 + x_10 <= 2 read more ..

Guest Feb 7, 2023

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