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Post New Question
All Questions
+0
234797 Questions
0
367
2
help please
Consider the complex numbers v and w in the complex plane below:
Say that
v - w = re^(i theta)
where r is positive
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Guest
Sep 1, 2020
0
510
2
Help it’s geometry
Find the value of the variable and YZ if Y is between X and Z.
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Guest
Sep 1, 2020
+3
890
1
+42
Help Please!!!
On December 17 at Kitty Hawk, N.C., 1903 the Wright Flyer became the first powered, heavier-than-air machine to achieve controlled, sustained flight with a pilot aboard.
First flight, Orvile 12 seconds, 37 meters.
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SHADOWwolf
Sep 1, 2020
0
333
1
geometry
Someone please help me on this question, and find angle C!
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Guest
Sep 1, 2020
0
367
1
help needed
How many gallons of a 70% antifreeze solution must be mixed with 90 gallons of 30% antifreeze to get a mixture that is 60% antifreeze?
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Guest
Sep 1, 2020
0
410
1
Piecewise Defined Functions
If
f(x)=2x-5 if x≥3 and -x+5 if x<3
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Guest
Sep 1, 2020
0
852
2
please help!
A family is on a road trip. The speed limit during the first 115 miles of the trip is 55 mph, and the speed limit during the last 165 miles is 70 mph. How many miles per hour over the speed limits must they drive in order to arrive at their destination
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Guest
Sep 1, 2020
0
486
2
Interesting Question
If
then find
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Guest
Sep 1, 2020
0
301
0
precalculus
Find the length of side AB.
Guest
Sep 1, 2020
0
497
2
algebra
Compute the sum 2 + 4 + 6 + 8 + . . . + 72 + 74 + 76 + 78.
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Guest
Sep 1, 2020
0
553
1
+212
help pls
There are 97 students in South High School. South High School offers only Chinese and Spanish. There are 5 more students in Chinese than in Spanish, and every student takes at least one language. If 44 students take only Spanish, then how
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Filliqq
Sep 1, 2020
0
347
0
counting question
Let the Universal Set, S, have 132 elements. A and B are subsets of S. Set A contains 62 elements and Set B contains 54 elements. If Sets A and B have 28 elements in common, how many elements are in B but not in A?
Guest
Sep 1, 2020
0
439
1
I nEed HeLp FasT PleAsE
A scientist has two kinds of solutions. The first solution is Solution A, which is an $80\%$ acid solution. The second solution is Solution B, which is a $30\%$ acid solution.
(a) Find the amount of Solution A (in mL) that must be
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Guest
Sep 1, 2020
+2
645
1
+42
HELP ASAP!!!
There are 8 sprinters in the Olympic 100-meter finals. The gold medal goes to first place, silver to second, and bronze to third. In how many ways can the medals be awarded?
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SHADOWwolf
Sep 1, 2020
0
487
1
geometry
Find angle RPS.
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Guest
Sep 1, 2020
0
514
1
+980
Please help
https://web2.0calc.com/questions/help-please_45625
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qwertyzz
Sep 1, 2020
+3
1329
4
+42
Help please
Using the letters A and B, the following two-letter code words can be formed: AA, AB, BB, BA. Using the letters A, B, and C, how many different three-letter code words can be formed?
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SHADOWwolf
Sep 1, 2020
0
517
1
please help
Find angle 1.
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Guest
Sep 1, 2020
0
629
1
algebra
It takes a bus 6 hours to take a trip. the train takes only 4 hours to make the same trip. the train travels at a rate of speed that is 25 mph more than the speed of the bus. what is the rate of the bus and the rate of the train?
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Guest
Sep 1, 2020
0
364
1
help please
car A leaves at 8:00am at 40mph car B leaves 2 hours later at 60mph how long does it take car B to catch up to car A?
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Guest
Sep 1, 2020
0
458
1
HELP PLEASE ASAP!
The sum of three positive integers is 42. The smallest integer is five less than the middle integer. The middle integer is three less than half the greatest integer. Define a variable, write an equation and solve to find the three integers.
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Guest
Sep 1, 2020
0
497
2
help with algebra
mr.d drove from his house to big foot, TX at 70 mph on his return trip his car was not runing slow so he averaged 50 mph if the trip took 6h how many hours did it take to get to bigfoot?
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Guest
Sep 1, 2020
0
300
0
HELP ASAP!
Translate the phrase into a variable expression. Use the indicated variable. The number of weeks in 30n hours
Guest
Sep 1, 2020
-1
511
1
+109
help pls asap
Let be defined by
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dp1806
Sep 1, 2020
0
472
1
trig question
Find the missing side. Round to the nearest tenth
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Guest
Sep 1, 2020
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