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Post New Question
All Questions
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230628 Questions
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Help please!
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sinclairdragon428
Nov 8, 2019
0
1281
2
Help with this question:https://web2.0calc.com/questions/in-how-many-ways-can-seven-beads-of-distinct-colors
Can you help me with this question? https://web2.0calc.com/questions/in-how-many-ways-can-seven-beads-of-distinct-colors
https://web2.0calc.com/questions/in-how-many-ways-can-seven-beads-of-distinct-colors
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Guest
Nov 8, 2019
+1
2061
3
help
The hypotenuse of an isosceles right triangle is $4\sqrt{2}$ units. How many square units are in the area of the triangle?
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Guest
Nov 8, 2019
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718
1
help
In a spelling bee 50% of the students were eliminated after the first round. Only 1/3 of the remaining students were still in the contest after the second round. If 24 students were still in the contest after the second round, how many students began the
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ElectricPavlov
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Guest
Nov 8, 2019
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742
4
HELPPP MEEE IM SOO STUCK
If a fence costs 8.75 for a yard (36 inches) I think) and you only have 22 inches how much will the fence be?
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Guest
Nov 8, 2019
+6
884
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+2862
Plant Some Trees
Most of you guys know about this... if you are kid like me.
https://teamtrees.org/
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off-topic
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CalculatorUser
Nov 8, 2019
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932
15
+700
silly question but i don't understand
imagine a uhhh a quadrilateral:
i ask you to prove the quadrilateral to be a parallelogram:
are my steps right?
1) based off of the defintion of a parallelogram: opposite pair of sides are parallel lines and diagonals are not
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Nirvana
Nov 8, 2019
+1
684
2
+1993
Double check my answers?
Can someone help me double check these questions?
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jjennylove
Nov 8, 2019
+4
3368
6
+2862
Can you find the error?
(kind of offf-topic, but its close enough to be a math question) Its so annoying to make silly mistakes, a long though-out solution to a problem can turn out to be wrong because of a simple human error.
Here is an example of how I
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CalculatorUser
Nov 8, 2019
+5
1184
5
+298
How do you do this... I hate probability...
Alice and Bob each have a coin. Suppose Alice flips hers 1000 times, and Bob flips his 999 times. What is the probability that the number of heads Alice flips will be greater than the number Bob flips?
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tomsun
Nov 8, 2019
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1031
2
+298
Explain this AMC8 question for me plz!
Ralph went to the store and bought 12 pairs of socks for a total of $24. Some of the socks he bought cost $1 a pair, some of the socks he bought cost $3 a pair, and some of the socks he bought cost $4 a pair. If he bought at least one pair of each type,
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CalculatorUser
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tomsun
Nov 8, 2019
0
586
1
What is 40/64 in simplest form
What is 40/64 in simplest form
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Guest
Nov 8, 2019
0
820
4
Help Thx
The inverse of f(x) = \frac{2x-1}{x+5} may be written in the form f^{-1}(x)=\frac{ax+b}{cx+d}, where a,b,c, and d are real numbers. Find a/c.
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Guest
Nov 8, 2019
Nov 7, 2019
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1245
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+1993
magnitude
What is the magnitude of normal force acting on the block when it is resting on the flat surface? How does the normal force change as the angle of the ramp increases? Explain. (Assume that the ramps are frictionless surfaces.)
I think
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jjennylove
Nov 7, 2019
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1166
3
help
What is the greatest possible number of points of intersection for eight distinct lines in a plane?
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Guest
Nov 7, 2019
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1453
5
+1993
1.What are the forces
1.What are the forces acting on the block when it is hanging freely from the spring scale? What is the net force on the block? What are the magnitudes of each of the forces acting on the block? Explain.
So for the above
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jjennylove
Nov 7, 2019
-1
752
2
+43
deleted
deleted
ElectricPavlov
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htzhang919
Nov 7, 2019
0
616
2
help
Sara has a bag which at the start contains 10 red marbles and 12 white marbles. When she draws out a red marble, she puts the marble back and adds five more red marbles. When she draws out a white marble, she puts the marble back and adds three more white
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Guest
Nov 7, 2019
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633
1
help
The perimeter of a rectangle is 34 inches, and its area is 60 square inches. What is the product of the lengths of the diagonals, in square inches?
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Guest
Nov 7, 2019
0
548
1
get more math
92% of what number is 29. EXACT(no decimals or rounding)
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Guest
Nov 7, 2019
0
679
1
need help please
Peter is reading a 193-page book. He has read three pages more than one-fourth of the number of pages he hasn’t yet read. How many pages has he not yet read?
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Guest
Nov 7, 2019
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692
3
What role doe air density and level above zero play when heating water in an electric kettle?
What role doe air density and level above zero play when heating water in an electric kettle?
I have this formula
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Guest
Nov 7, 2019
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