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234878 Questions
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2
1779
1
probility of event
a box contains 5 purple marbles, 3 green marbles and 2 orange marbles. two consecutive draws are made from the box withous replacement of the first draw what is the probability that the first marble is purple and the second is any color except purple.
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heureka
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Guest
Feb 21, 2017
0
3
1340
1
question 1 please answer
A balloon when cooled to 33 C has a volume of 120 mL. What is the initial temperature in C of a 200 mL balloon?
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Guest
Feb 21, 2017
0
572
2
what is substitution
if a =3 what is 2A
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Guest
Feb 21, 2017
0
724
2
algebra2
what do i do when its 7(g-4)=42
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Guest
Feb 21, 2017
0
444
1
Substitution
3(-3x+ 6)
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Guest
Feb 21, 2017
0
700
1
xdsssdsdsdssdsdsdsd
2.25+2.25-2(1.5x1.5) x (cos 1.5)
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Guest
Feb 21, 2017
0
994
1
If arctanx=90, what does x equal?
If arctanx=90, what does x equal?
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Guest
Feb 21, 2017
0
1184
1
help please
A ladder that is 20 feet long leans against the side of a house. The angle of elevation of the ladder is 85°. Find the height from the top of the ladder to the ground.
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Guest
Feb 21, 2017
0
635
1
ANSWER
50! /(45! x5!)
heureka
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Guest
Feb 21, 2017
0
823
2
square roots of -100
square roots of -100
heureka
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Guest
Feb 21, 2017
0
468
1
Log
How do I solve
log(10x+5)-log(4-x)=100
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Guest
Feb 21, 2017
+1
1210
5
+105
Differential Equation
Find the velocity of a falling body at t=5 seconds
Air resistance is proportional to the velocity of the body.
weight of the body=50kg
Height = 100m
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Alan
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Marcop
Feb 21, 2017
0
346
0
I need help,
I need help,
how do I solve this equation:
Log(10x+5)-log(4-x)=100
Guest
Feb 21, 2017
0
745
2
HEELLLPP
x^2+4x-5x^2-1
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Guest
Feb 21, 2017
0
896
1
Christopher's best time in a race is four seconds faster than his second-best time. His second-best time is 1 1/3 times slower than his best time. Find his
Christopher's best time in a race is four seconds faster than his second-best time. His second-best time is 1 1/3 times slower than his best time. Find his second-best time.
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Guest
Feb 21, 2017
+50
2091
5
+118654
@ Happy Birthday Alan
From all the members and guests of Web2.0calc fourm
We wish you a fantasic day :))
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Alan
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Melody
Feb 21, 2017
0
1172
3
Help plz
The height (in meters) of a shot cannonball follows a trajectory given by h(t) = -4.9t^2 +14t -0.4 at time t (in seconds). As an improper fraction, for how long is the cannonball above a height of 6 meters?
heureka
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Guest
Feb 21, 2017
0
435
2
question
what is 3.96 plus 7 cents to a dollar
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Guest
Feb 21, 2017
0
348
0
Help
Using only 3,8,11&13 to result 28,30,26,8,42,42,44&40
Guest
Feb 21, 2017
0
775
1
math questions
what is cos(41)=x/11
ElectricPavlov
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Guest
Feb 21, 2017
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