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Post New Question
All Questions
+0
230564 Questions
+1
1921
2
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HEELLPP urgent help needed on probability
Five journalists, two baristas, and a sailor are to be seated around a circular table. How many different arrangements are possible if the journalists must all sit together (in five consecutive seats) and the baristas must sit next to each other? (Two seatings
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pikoichu
Jun 27, 2020
0
630
1
+4
Probability Help Please
A standard six-sided die is rolled $6$ times. You are told that among the rolls, there was one $1,$ two $2$'s, and three $3$'s. How many possible sequences of rolls could there have been? (For example, $3,2,3,1,3,2$ is one possible sequence.)
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otjoon
Jun 27, 2020
0
339
0
please help
Consider a square ABCD with side length 2. Let E be the midpoint of AB, F the midpoint of BC, and P and Q the points at which line segment AF intersects DE and DB, respectively. What is the area of EBQP?
Guest
Jun 27, 2020
0
435
1
help
If x + 1/x = a + b and x - 1/x = a - b, then what is the relationship between a and b?
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Guest
Jun 27, 2020
0
412
1
help
There are three brothers. Two of them are twins.The age of one brother is cube of the other. Next year the age of one brother would be square of the other. What is the sum of their current ages?
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Guest
Jun 27, 2020
0
806
3
Help!
What numeral is in the 100th decimal place in the decimal representation of $\frac{6}{7}$?
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Guest
Jun 27, 2020
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525
2
Help please
A line has a slope of (-3/7)and its -intercept is (0,18). What is its -intercept?
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Guest
Jun 27, 2020
0
474
1
Help Please
The area of the rectangle is 60 m^2. The height is three less than three times the base. What is the length of the base?
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Guest
Jun 27, 2020
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381
0
A = x y z Nesse caso consideramos x ye z números primos. Sejam quais forem esses números primos,
A = x y z Nesse caso consideramos x ye z números primos. Sejam quais forem esses números primos, bases das potências, o total de divisores naturais de A será 5 12 18 24
Guest
Jun 27, 2020
0
461
1
help
Find the three consecutive even integer if four times the first integer minus the third is 2 times the second integer plus 6.
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Guest
Jun 27, 2020
0
425
1
help
A man starts from his house with some money to visit four temples.
As soon as he enters the first temple, his money gets doubled. He donates Rs 100 and moves.
At temple 2, the remaining money again gets doubled and he donates Rs 100.
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Guest
Jun 27, 2020
Jun 26, 2020
0
550
2
need help im so stuck
Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have a 9 on them.
What is the expected value of the number shown when we draw a single slip of paper?
What is the expected
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Guest
Jun 26, 2020
0
493
1
help
There is a row of 100 glasses with their mouths facing downwards. They are numbered 1, 2, 3, ..., 99, 100, starting from the left. For the first time, turn over the glasses with numbers that are multiples of 1. For the second time, turn over the glasses
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Guest
Jun 26, 2020
0
639
4
+738
trapezoid geometry problem!
The bases of an isosceles trapezoid have lengths that differ by 30. The two legs of the trapezoid
have length 25, and the two diagonals of the trapezoid have length 52. What is the area of the
trapezoid?
so far,
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lokiisnotdead
Jun 26, 2020
0
909
2
help
A boy starts adding consecutive natural no.s starting from 1. After some time, he reaches a total sum of 1000 when he realises that he has double counted a number. Find the number double counted.
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Guest
Jun 26, 2020
0
402
1
plz help asap
if (x,y) satisfies the simultaneous equations,
3xy - 4x^2 - 36y + 48x &= 0, \\
x^2 - 2y^2 &= 16,
where x and y may be complex numbers, determine all possible values of y^2
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Guest
Jun 26, 2020
0
470
1
PLZ HELP
Factor (x^2+y^2-z^2)^2-4x^2y^2 as the product of four polynomials of degree 1, each of which has a positive coefficient of x?
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Guest
Jun 26, 2020
0
495
2
help
John and David had a 100-meter race.
In the first race, John finished the race when David was at the 99-meter mark. However, David wanted another race. So John said, "This time, I will start 1 meter behind the starting line. That means I run 101
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Guest
Jun 26, 2020
0
463
1
probability
In a musical chair game, the person playing the music has been advised to stop playing the music at any time within 2 minutes after he starts playing. what is the probability that the music will stop within the first half minute after starting?
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Guest
Jun 26, 2020
0
462
1
help
Charlie rides his bicycle down a hill at 30 kilometers per hour. Then he turns around and rides back up the hill at 6 kilometers per hour to his starting point. What is Charlie's average speed for the whole trip down and back up the hill?
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Guest
Jun 26, 2020
0
539
1
help
How many diagonals does a regular octagon have?
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Guest
Jun 26, 2020
0
3583
2
+4
GED Question on practice test
Mr. Jovanovski is having flooring put in his rectangular room. The area if the room is 234 square feet. The length of the room is 18 feet. What is the width, in feet, of the room?
A. 13
B. 16
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YellowLoveBug
Jun 26, 2020
0
465
1
HELP ASAP
The graph of y=f(x) is shown in red below. For how many values of c is f(c) = -1?
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Guest
Jun 26, 2020
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