All Questions ⁺⁰237690 Questions

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163

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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 3, 2023

0

133

3

+1124

Get rid of fraction

Hi friends....please a last question for today:

The sum goes like this:
read more ..

juriemagic Mar 3, 2023

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183

1

решить

89000889+897796

Guest Mar 3, 2023

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185

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Algebra

When plucked, the high E string on a guitar has a frequency of 330 cycles per second. What sine function represents this note when it is graphed with an amplitude of 1.5 units? Let x represent the number of seconds. Enter your exact answer in the box. read more ..

Guest Mar 3, 2023

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177

4

+1124

Trig Conversion

Hi friends,

I hopefully have only 2 more questions for today. Both these questions come from the same problem. Please explain to me..please...
read more ..

juriemagic Mar 3, 2023

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180

1

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 3, 2023

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181

1

Counting

We call a number cozy if every digit in the number is either even or next to an even digit. For example, a number is cozy if every digit in the number is either a 2 or next to a 2. For example, the number 222, 72, 45, and 810 and read more ..

Guest Mar 3, 2023

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190

1

Algebra

Carissa the chessplayer is a very, very slow walker. In fact, she walks at 100 meters per hour when walking uphill, 180 meters per hour when walking across flat ground, and 250 meters per hour when walking downhill. One day, Carissa walks read more ..

Guest Mar 3, 2023

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149

1

Deion's car used 1 3/5 gallons to travel 46 miles. How many miles can the car go on one gallon of gas?

Deion's car used 1 3/5 gallons to travel 46 miles. How many miles can the car go on one gallon of gas?

Guest Mar 3, 2023

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184

2

HELP QUICK

There are white, blue, and red boats in a marina. Two-thirds of the boats in the marina are white, 5/8 of the remaining boats are blue, and the rest are red. If there are 6 red boats, how many boats are in the marina?

Guest Mar 3, 2023

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175

1

Counting

Plz help

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, read more ..

Guest Mar 3, 2023

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156

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Parametric equations

Plz help with parametric equations

The position of a particle is given by the parametric equations
x = 1 + sin pi*t - cos pi*t read more ..

Guest Mar 3, 2023

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156

0

Counting

Help plz with counting

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 Mar 3, 2023

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164

1

Martha sells dolls at her doll store. If she sells dolls for $55 and there is a 7% sales tax,what is the total cost of the doll

Martha sells dolls at her doll store. If she sells dolls for $55 and there is a 7% sales tax,what is the total cost of the doll

Guest Mar 3, 2023

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188

1

End Behavior

What is the end behavior of this problem? f(x)= 2^X^-3

Guest Mar 3, 2023

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187

1

=157.87+414.75

Guest Mar 3, 2023

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169

1

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 3, 2023

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166

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post phrases

How do we post phrases?

Guest Mar 3, 2023

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153

6

+1124

Determine general solution for this equation

Hi there good people!,

I have not been on here for almost 2 years!!..golly,..time flies!!..I trust you are all doing great. Please help me solve for X using the following problem:
read more ..

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juriemagic Mar 3, 2023

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164

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geometry

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 Mar 3, 2023

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190

1

Stats

A list of ten distinct, positive integers has a median of 5.5. What is the smallest possible average of the ten positive integers? Explain your ansswer in complete sentences.

Guest Mar 3, 2023

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