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Post New Question
All Questions
+0
237722 Questions
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425
1
Help. Asap!!!
Answer this pls. Thank you!
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Guest
May 21, 2020
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573
1
please help
Two circles have radii 7 and 1, and their centers are 10 units apart. What are the lengths of the common tangents?
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Guest
May 21, 2020
0
914
2
help
The surface area of sphere A is 96% more than the surfacde area of sphere B. The volume of sphere A is r% more than the volume of sphere B. What is the value of r?
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Guest
May 21, 2020
0
438
0
help
What is the volume of a cube inscribed in a sphere of radius 1?
Guest
May 21, 2020
0
691
2
+80
This is computing combinations/distinguishability
I run a book club with $n$ people, not including myself. Every day, for $365$ days, I invite four members in the club to review a book. What is the smallest positive integer $n$ so that I can avoid ever having the exact same group of four members over all
read more ..
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Sarvajit
May 21, 2020
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424
0
help
In the decimal expansion of 500!, find the exact number of terminal 0s.
Guest
May 21, 2020
0
457
1
HELP PLEASE!!!!!
An athlete runs 250m of a 400m race. What is the percentage?
Please I need help!
off-topic
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Guest
May 21, 2020
+1
1366
1
+44
What is the product of 3√6cis(π8) and 2√5cis(7π6)?
What is the product of 3√6cis(π8) and 2√5cis(7π6)?
Enter your answer by filling in the boxes. Enter the all values rounded to the nearest hundredth.
What is (2−2i3√)4 equivalent to?
read more ..
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jscare
May 21, 2020
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450
0
help
In how many ways can 12 balls of different colors be put into 3 separate trays, if the first tray must contain 3 balls, the second tray 4 balls, and the third tray 5 balls?
Guest
May 21, 2020
0
468
0
Geometry question needing proof! Help!
Let ABCD be a square with E as the intersection of the diagonals AC and BD. Segment CF bisects angle ACD, where F is on segment DB. Also, segment PQ is perpendicular to CF, where P lies on AC and Q on CD. Prove that DQ = 2 PE.
Guest
May 21, 2020
0
406
0
Help please
Find the unit vector in the direction of v= (6,6)
Guest
May 21, 2020
0
1630
5
+107
Geometry problem im stuck on.
Im stuck on this problem and i need help.
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NoWorkNeeded
May 21, 2020
0
612
2
+980
Can someone help me? I'm stumped
Point D is on side of triangle ABC such that , and. Find in degrees.
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qwertyzz
May 21, 2020
0
525
1
help
A regular hexagon is inscribed in one circle, and circumscribes another. Find the ratio of the area of the larger circle to the area of the smaller circle.
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Guest
May 21, 2020
0
459
2
help
A man can do a job in 3 hours. A woman can do the same job in 2 hours. How long does it take them to complete the job when working together?
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Guest
May 21, 2020
May 20, 2020
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476
0
help!!!!
Match the point in polar coordinates with either A,B,C or D on the graph.
Guest
May 20, 2020
0
408
0
help
If the total surface area of a cone is 54pi, and the legnth of the lateral side is 15, then find the height of the cone.
Guest
May 20, 2020
+1
465
1
help
A 10 by 10 by 10 cube is painted red. The cube is cut into 1000 one by one by one cubes. Find the number of small cubes that have exactly two red sides.
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Guest
May 20, 2020
+1
418
0
help please
On a circle, 13 distinct points are placed at random and all possible line segments (chords) joining them in pairs are drawn. If no three chords are concurrent, then find the number of intersections of these chords (not counting the original 13 on
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Guest
May 20, 2020
+1
448
0
Does anybody know the answer to this?
A pontoon with base 3 m by 3 m is floating on a lake. When a man swims out and climbs onto it the pontoon
sinks 1 cm. If 1 L of water weighs 1 kg, what is the weight of the man? (Hint: Archimedes’ principle tells us
that the weight
read more ..
Guest
May 20, 2020
+1
550
1
help
A geometric progression with first term 3 is such that the sum of the first three terms is 9. Find all possible values of the common ratio.
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Guest
May 20, 2020
+1
458
1
Help!
A bag contains five white balls and four black balls. Your goal is to draw two black balls. You draw two balls at random. Once you have drawn two balls, you put back any white balls, and redraw so that you again have two drawn balls. What is the probability
read more ..
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Guest
May 20, 2020
+1
1385
1
PLEASE HELP!
https://web2.0calc.com/questions/please-help_41190
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Guest
May 20, 2020
0
1273
2
What is the area in square units of the quadrilateral XYZW shown below
What is the area in square units of the quadrilateral XYZW shown below
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Guest
May 20, 2020
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