All Questions ⁺⁰237784 Questions

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141

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counting

My square patio is tiled with square tiles, all the same size. All the tiles are gray, except the tiles along the two diagonals, which are all yellow. (The corners are yellow, the center is yellow, and all the tiles along the diagonal in between read more ..

Guest Mar 23, 2023

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157

4

+132

Please help!

Sorry, I know this is a repost, but it won't let me edit. https://web2.0calc.com/questions/pre-calc-help-please If I say z^n=1, could I do $(\frac{1}{e^{\frac{2\pi i k}{7}}-1})^7=z^7$, then $\frac{1}{(e^{\frac{2\pi i k}{7}}-1)^7}$? Idk tbh. read more ..

Saphia1123 Mar 23, 2023

Mar 22, 2023

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142

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geometry

Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on AB with a vertex C next to A Find angle BCD in degrees.

Guest Mar 22, 2023

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165

1

Help pls

Let p(x) = 1-(1/x)
What is p^6(-1/2?) What does this notation mean?

Guest Mar 22, 2023

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160

3

+132

Pre Calc Help Please!

So I'm trying to prove the real parts of a solution are all equal. I have the possible solutions in the form of $\frac{1}{e^{\frac{2\pi ik}{7}}-1}$ with $k=1,2,3,4,5,6$. How can I do this? PS, the original equation given was $(z+1)^7=z^7$. read more ..

Saphia1123 Mar 22, 2023

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144

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sequence

Help how to do this
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 Mar 22, 2023

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151

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Algebra

Help how do I get started
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 volume (and read more ..

Guest Mar 22, 2023

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139

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plz help

When it rains, every student in Margo's school brings a raincoat, an umbrella, or both. And of the students bring both. The total number of umbrellas brought is equal to twice the number of raincoats.
What percent of the read more ..

Guest Mar 22, 2023

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149

1

Probability

A card game using 36 unique cards: four suits (diamonds, hearts, clubs, and spades) with cards numbered from 1 to 9 in each suit. A hand is a collection of 9 cards, which can be sorted however the player chooses. What is the probability of getting all four read more ..

Guest Mar 22, 2023

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141

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Probability

A box contains 24 tiles. Each tile has certain properties:
Each tile is made of wood or plastic.
Each tile is red, yellow, or blue.
Each tile is a triangle, square, pentagon, or circle.
There is exactly one tile read more ..

Guest Mar 22, 2023

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149

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What value of x will make the length of the box three times as big as the width?

What value of x will make the length of the box three times as big as the width?
Length: 20-2x

Guest Mar 22, 2023

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155

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this expression equals 4, change it to equal 42 console.log(1 + 5 - 2 );

this expression equals 4, change it to equal 42
console.log(1 + 5 - 2 );

Guest Mar 22, 2023

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162

2

I just need help with an asigntment pls fast

In webshop 1 a trainingbycikel cost 3000$ now its only 2160$ how much is the discount in %
Pls help fast🥺🥺😭😭

Guest Mar 22, 2023

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141

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geometry

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 the read more ..

Guest Mar 22, 2023

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144

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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 Mar 22, 2023

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