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Post New Question
All Questions
+0
238122 Questions
0
469
1
help
Compute 2018^2 - 2017^2 + 2016^2 - 2015^2 + ... + 4^2 - 3^2 + 2^2 - 1^2.
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Guest
May 24, 2020
+2
2936
3
+185
More HW please help!!!
In triangle PQR, PQ=13, QR=14, and PR=15. Let M be the midpoint of QR. Find PM.
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Otterstar
May 24, 2020
+5
653
2
+185
Please Help ASAP due tomorrow
Triangle ABC is isosceles with AB=BC. If AC = 20 and [ABC] = 240, then find the perimeter of triangle ABC.
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Otterstar
May 24, 2020
0
471
1
help
Calculate
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Guest
May 24, 2020
0
3885
1
Mr. Hanson pours 2 cups of blue paint into a jar for each art station. How many jars can he fill with 1 gallon of blue paint? Please answer
Mr. Hanson pours 2 cups of blue paint into a jar for each art station. How many jars can he fill with 1 gallon of blue paint?
Please answer
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Guest
May 24, 2020
0
393
0
PLEASE HELP GEOMETRY PROBLEM IM STUMPED
For a triangle ABC, there is a line that bisects angle A, forming angle 1 and 2, which are equal. Prove that AB - AC > BD - DC.
Guest
May 24, 2020
0
474
1
help!
Solve |2x + 1| + |x - 4| = 12.
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Guest
May 24, 2020
0
679
3
+280
Vectors
Could someone please help me with this problem? I'm very confused and I don't even know where to start. I tried to do it on my own, but I think I'm missing something:(
https://web2.0calc.com/questions/vectors_25
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auxiarc
May 24, 2020
0
530
3
help
A book having 1 to 100 pages. How many digits are used to number the pages?
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Guest
May 24, 2020
0
502
1
help
Find the four-digit number ABCD.
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Guest
May 24, 2020
0
594
0
PLZ NEED SOME HELP
How many five-digit numbers beginning in a 6 have exactly one pair of identical digits?
Guest
May 24, 2020
0
424
0
please help
Find the largest positive integer n such that n + 10 divides n^3 + 100.
Guest
May 24, 2020
0
634
1
help
Three squares of side lengths 8, 12, and 10 are placed side-by-side as shown. Find the area of the orange region.
read more ..
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Guest
May 24, 2020
0
415
0
Please, answer. Thank you!
0,4(x+2)=2/5x-4/5 please?
Guest
May 24, 2020
0
448
0
help
What fraction of the regular octagon is shaded blue?
Guest
May 24, 2020
0
481
1
system
Find the number of solutions to the system
3x - y + z = 0
2x + y + 4z = 1
x - 7y - 13z = -4
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Guest
May 24, 2020
0
706
2
algebra
Find the value of
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Guest
May 24, 2020
0
565
1
help
At what time between 3 and 4 o'clock do the minute and hours hands of a clock coincide?
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Guest
May 24, 2020
0
580
1
help
If sin(a + b) = 3/4 and sin(a - b) = 1/2, then find tan(a)/tan(b).
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Guest
May 24, 2020
0
691
3
+154
Help Please!
1.Graph the function f(x)=-sec(x/4)+3 on the interval [-2pi,6pi].
Multiple questions deleted by Melody.
read more ..
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whatisthis1010
May 24, 2020
0
6
1447
2
trigo
A ladder 24 ft long is leaning against a sloping embankment. The foot of the ladder is 11 ft from the base of the embankment, and the distance from the top of the ladder down the embankment to the ground is 16 ft. What is the angle at which the embankment
read more ..
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Guest
May 24, 2020
0
710
5
please help
6 friends went to the cinema to watch a new movie. Then they realized that 2 of them are a couple and cannot be separated. How many different ways they can sit in the movie theatre?
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Guest
May 24, 2020
0
1
626
2
help
A spherical orange is cut about the vertical axis into 8 equal slices. What is the ratio of the total surface area of the 8 slices to that of the original orange?
read more ..
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Guest
May 24, 2020
0
688
1
+738
this was never answered.. so i'm reposting
hi! please help me with this problem!! any help is greatly appreciated! :)
https://web2.0calc.com/questions/please-please-please-help_7#r2
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lokiisnotdead
May 24, 2020
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