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All Questions
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232255 Questions
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381
1
I have a deck of cards. What is the chance
I have a deck of cards. What is the chance if I draw 4 cards, all of them are a distinct type? (Ace,2,3,5,6,7,8,9...King)
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Guest
Nov 16, 2020
0
535
2
What is the constant term
What is the constant term of the expansion of (6x + 1/(2x))^8?
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Guest
Nov 16, 2020
0
405
1
4 12-sided dice are rolled.
4 12-sided dice are rolled. What is the probability that the number of dice showing a two digit number is equal to 2? Express your answer as a common fraction. (Assume that the numbers on the 12 sides are the numbers from 1 to 12 expressed in decimal.)
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Guest
Nov 16, 2020
0
363
1
Trevor borrows $12,375.00 to pay off his credit card debt. How much interest will he pay?
Trevor borrows $12,375.00 to pay off his credit
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Guest
Nov 16, 2020
+1
496
5
+45
Help appreciated :)
Among all fractions that have a positive integer numerator and denominator and satisfy which fraction has the smallest denominator?
Thanks!
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aDumbDude
Nov 16, 2020
0
580
3
Navin from Mauritius, Luka from Croatia, and Ian from Botswana
Navin from Mauritius, Luka from Croatia, and Ian from Botswana are chatting in the lobby of a youth hostel discussing their part-time jobs. They learn that Navin makes 160 rupee per hour, Luka makes 28 kuna per hour, and Ian makes 35 pula per hour. If one
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Guest
Nov 16, 2020
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397
2
Patty ordered a pizza to be delivered.
Patty ordered a pizza to be delivered. The bill was 12.00. Patty pays 16 and tells the delivery person to keep the change as a tip. What percent tip did she give?
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Guest
Nov 16, 2020
-1
307
1
Find roots of this equation
One root is the reciprocal of the other. Find the roots.
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Guest
Nov 16, 2020
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662
1
A merchant offers a large group of items at 30% off.
A merchant offers a large group of items at 30% off. Later, the merchant takes 10% off these sale prices and claims that the final price of these items is 40% off the original price. As a percentage of the original price, what is the difference between
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Guest
Nov 16, 2020
0
696
1
can 60 go into 150
can 60 go into 150
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Guest
Nov 16, 2020
0
464
1
I have a bag with blue marbles and yellow marbles in it.
I have a bag with blue marbles and yellow marbles in it. At the moment, the ratio of blue marbles to yellow marbles is 8:5. If I remove 30 blue marbles and add 5 yellow marbles, the ratio will be 1:3. How many blue marbles were in the bag before I removed
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Guest
Nov 16, 2020
0
463
1
Find all complex numbers z
Find all complex numbers z such that |z|^2 + 2z = 31 - 8i.
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Guest
Nov 16, 2020
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681
1
smallest positive integer that has exactly eight distinct positive factors
What is the smallest positive integer that has exactly eight distinct positive factors, one of which is 7?
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Guest
Nov 16, 2020
0
621
1
Consider the set of all points (x,y) in the coordinate plane
Consider the set of all points in the coordinate plane for which one of the coordinates is exactly negative three times the other. If we were to plot all such points, into how many regions would the resulting graph split up the plane?
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Guest
Nov 16, 2020
0
331
1
Points and have the same y-coordinate of 13, but different x-coordinates.
Points and have the same y-coordinate of 13, but different x-coordinates. What is the the slope of the line containing both points?
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Guest
Nov 16, 2020
+1
1170
4
+566
Geo
hi, I am a little stuck on this question. It's pretty hard (for me at least) so, i hope you can help!
G is the centroid of triangle ABC. G_1,G_2, and G_3 are the centroids of triangle BCG, triangle CAG, and triangle ABG respectively.
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iamhappy
Nov 16, 2020
0
2406
1
What is the surface area of this cylinder? Use 𝜋 ≈ 3.14 and round your answer to the nearest hundredth.
What is the surface area of this cylinder?
Use 𝜋 ≈ 3.14 and round your answer to the nearest hundredth.
6 in
9 in
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Guest
Nov 16, 2020
0
548
1
Grogg and Winnie both go to a party which starts at 5:00.
John and Bob both go to a party which starts at 5:00. Each of them arrives at a random time between 5:00 and 6:00. What is the probability that the number of minutes Grogg is late for the party plus the number of minutes Winnie is late for the party is
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Guest
Nov 16, 2020
0
499
1
Please help!
Find all solutions to the system
a + b = 14
a^3 + b^3 = 812.
Please help! I don't understand how to do this.
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Guest
Nov 16, 2020
0
316
1
Lizzie needs to catch a train.
Lizzie needs to catch a train. The train arrives randomly some time between 2:00 and 3:00, waits for 10 minutes, and then leaves. If Lizzie also arrives randomly between 2:00 and 3:00, what is the probability that the train will be there when Lizzie arrives?
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Guest
Nov 16, 2020
0
550
1
Quadrilateral has right angles at B and D
Quadrilateral has right angles at B and D, and AC = sqrt(65). If ABCD has distinct integer side lengths, then what is the area of ABCD?
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Guest
Nov 16, 2020
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