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Post New Question
All Questions
+0
230624 Questions
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372
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Computer coding project
What is the sum of the ODD digits in the first 1,000 digits of "e", or Euler's number, and their count, including the first "2"? Thank you for any help or hints.
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Guest
Nov 3, 2019
0
1141
1
+18
An ant crawls!
A rectangular 12x20 waffle is divided into 1x1 squares. An ant crawls along a straight path from one corner to the opposite corner. How many squares of the waffle does the ant cross through?
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Anish
Nov 3, 2019
0
937
1
+18
Probability Question
When I visit a local cafe, there's an 80% probability that I'll order a sandwich and a 70% probability that I'll order a soup. If there's a 5% probability that I don't order the sandwich or soup, then what's the probability that I order both the sandwich
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Anish
Nov 3, 2019
0
719
2
help
A cylindrical water tank is 1/5 full. If three liters were added, the tank would be 1/4 full. How many liters does the tank hold when it is full?
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Guest
Nov 3, 2019
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1176
15
help please need answer fast
Let a, b and c be positive numbers satisfying ab = 11.25; ac = 20; and bc = 36. What is the value of c?
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Guest
Nov 3, 2019
0
681
3
PLEASE HELP ASAP
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). For how many seconds is the height of the cannonball at least 6 meters?
Determine the set of all real
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Guest
Nov 3, 2019
+1
1998
4
Help
A cyclist travels at 20 kilometers per hour when cycling uphill, 24 kilometers per hour when cycling on flat ground, and 30 kilometers per hour when cycling downhill. On a sunny day, they cycle the hilly road from Aopslandia to Beast Island before
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Guest
Nov 3, 2019
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944
2
help
The average age of the 10 females in a choir is 30 years. The average age of the 15 males in the same choir is 35 years. What is the average age, in years, of the 25 people in the choir?
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Guest
Nov 3, 2019
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422
6
Post challenges!
Anybody got some challenging problems? (algebra preferred) Anything below calculus.
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Guest
Nov 3, 2019
0
611
3
Please Helh
Four points A, B, C, and D are chosen at random on the circumference of a circle. Find the probability that chords and intersect.
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Guest
Nov 3, 2019
0
642
2
help
How many even perfect square factors does 2^4*7^9 have?
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Guest
Nov 3, 2019
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571
1
help
The four-digit number “25AB” is divisible by nine, with A the tens digit and B the units digit. How many different such four-digit numbers could “25AB” represent?
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Guest
Nov 3, 2019
0
690
1
help
What is the number of square units in the area of trapezoid ABCD with vertices A(0, 0), B(0, −2), C(4, 0) and D(4, 6)?
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Guest
Nov 3, 2019
+1
784
2
help
A strip of paper is available for each whole number length from 1 inch to 15 inches. What is the probability that if a strip is randomly selected, it can be used as the third side of a triangle with two sides of 5 inches and 7 inches? Express your answer
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Guest
Nov 3, 2019
0
629
1
help
What is the ratio of 1 pound, 4 ounces to 3 pounds, 10 ounces? Express your answer as a common fraction.
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Guest
Nov 3, 2019
+1
564
3
Suggestion
I was thinking there should be a search for users/members of this site, (E.g. "type name" --->User profile appears)
off-topic
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Guest
Nov 3, 2019
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508
1
help
The points (-3, 2) and (-2, 3) lie on a circle whose center is on the x-axis. What is the radius of the circle?
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Guest
Nov 3, 2019
0
661
7
help
What part of 15 hours is 15 seconds? Express your answer as a common fraction.
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Guest
Nov 3, 2019
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599
4
help
Set A has 16 elements and set B has 37 elements. The union of sets A and B has 43 elements. How many elements are in the intersection of sets A and B?
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Guest
Nov 3, 2019
+2
858
1
+2862
We finally know what happened to Rom
See Ginger Ale's explanation:https://web2.0calc.com/questions/does-anyone-know-what-happened-to-rom#r5
Melody, GA, SVS, and I plus a few others might already know about this
read more ..
off-topic
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CalculatorUser
Nov 3, 2019
0
459
1
help
The radius of a circle is increased by 100%. By what percent is the area of the circle increased?
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Guest
Nov 3, 2019
0
620
4
help with this?
https://prnt.sc/prpz67
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Guest
Nov 3, 2019
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