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All Questions
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229744 Questions
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206
1
Absolute value
If |2x - 1| = x + 2, what is the sum of all possible values of x?
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Guest
Jul 12, 2022
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194
1
Coordinates
Which of the following points is farthest from the origin: (1,4),(3,5) ,(-6,0) ,(-4,-2), (-1,7)
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Guest
Jul 12, 2022
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179
2
Please help, thank you!
Given that x+y=13 and xy=24, find the distance from the point (x,y) to the origin.
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Guest
Jul 12, 2022
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137
0
Percent
Brian has earned 65%, 80% and 60% on his three pre-final exams. These exams are not weighed equally: the lowest counts for only 25% of his overall grade, while the other two count for 30% each. If the final exam is the remainder of the
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Guest
Jul 12, 2022
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314
1
Algebra
Let x > 0 and y > 0. Suppose that xy^2 = 6 and x^2*y^6 = 72xy. What is the value of xy? Express your answer in simplest radical form.
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Guest
Jul 12, 2022
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169
3
Divisibility
How many positive three-digit integers with a 5 in the units place are divisible by 15?
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Guest
Jul 12, 2022
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181
2
CPhill if you see this can you please help me
I forgot to add the number of attributes so I'm posting the question again with that fixed
In the card game Set, each card features a number of shapes, with four attributes:
Number: The number of shapes is 1,
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Guest
Jul 12, 2022
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197
2
SET card game question
In the card game Set, each card features a number of shapes, with four attributes:
Number: The number of shapes is 1, 2, or 3.
Color: Each shape is red, purple, or green.
Shape: Each shape is oval, diamond, or squiggle.
Shading: Each shape
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Guest
Jul 12, 2022
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190
1
Number Theory
Find the last 3 digits of 101^{107}.
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Guest
Jul 12, 2022
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134
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Hard algebra
If \sqrt{7 - \sqrt{2 + \sqrt{n}}} = 1, what is the value of n?
Guest
Jul 12, 2022
+13
287
2
+1161
This is a viral question that provoked millions of comments on Facebook.
What is ?
Is it 1 or 9???
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nerdiest
Jul 12, 2022
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211
2
HELP!!! CPHILL
An 8x8 square is divided into 64 unit squares and each unit square is painted one of four possible colors. The ratio of numbers of squares of each color is 1:2:3:x How many integer values could x have?
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Guest
Jul 12, 2022
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260
1
geometry
ABCD is a square with side length 2 cm. E is the midpoint of CD, and BF is perpendicular to AE. What is the area of ECBF, in square centimeters? Express your answer as a decimal to the nearest tenth.
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Guest
Jul 12, 2022
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219
2
help counting
How many integers between 1 and 280, inclusive, are not divisible by 2, 3, or 5?
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Guest
Jul 12, 2022
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164
0
Counting
Thomas, Carrie and Lenny each captain a different one of three hockey teams. Each captain will choose four players from a pool of 6 players, with each player chosen for only one team. How many different ways can the teams be formed?
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Guest
Jul 12, 2022
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135
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Number Theory
What is the greatest integer k such that 80! is divisible by 4^k?
Guest
Jul 12, 2022
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170
2
Word Problem
In physics, Ohm's law says that current through a wire, $I$, is directly proportional to voltage, $V$, and inversely proportional to resistance, $R$: \[ I=V/R. \]It's also true that resistance is directly proportional to the length of the wire. We have
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Guest
Jul 12, 2022
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199
1
Analytic geometry
A line through the points (2, -9) and (j, 17) is parallel to the line 2x - 3y = 21. What is the value of j?
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Guest
Jul 12, 2022
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192
1
Algebra
If (7^2 + 24^2)*4*(5^2*10^2)*5/((75^2*100^2)*6) = 5n, what is the value of n?
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Guest
Jul 12, 2022
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206
1
cubes
The solid shown consists of three stacked cubes of edge lengths 1 cm, 2 cm and 3 cm. What is the volume of the figure?
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Guest
Jul 12, 2022
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248
1
Help!
Terry and Tao are canoeing on a lake that is 2000 meters across from the west side of the lake to the east side. Terry rows at 60 meters per minute and Tao rows at 40 meters per minute. Terry starts rowing at 2 PM from the west end of the lake, and Tao
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Guest
Jul 12, 2022
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211
2
Number Theory
Phil wrote down a six-digit number on the board, and then Caleb erased two of the digits. What remains on the board is 2346_ _. Phil remembers that the original number is divisible by 2, 3, and 7. What is the greatest possible value
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Guest
Jul 12, 2022
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300
1
Help!
A solid $6$-by-$6$-by-$6$ cube is constructed from unit cubes and the entire outer surface is painted. What fraction of the unit cubes has at least two painted faces? Express your answer as a common fraction.
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Guest
Jul 12, 2022
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191
1
help plz
For her 16th birthday, Kate receives a book. On each page whose digits sum to 16, there is one word of a secret birthday message written in the margin. If the book is 580 pages, how many words are in the secret birthday message?
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Guest
Jul 12, 2022
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221
2
+166
Help
Determine the number of fractions in the pattern below that are expressed in lowest terms.
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RainbowSquirrel53
Jul 12, 2022
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latest
9188
9187
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8470
8469
8468
8467
8466
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2
1
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