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Post New Question
All Questions
+0
234931 Questions
0
692
1
Cloud height
To measure the height of a cloud, place a bright searchlight directly below the cloud and shine the beam straight up. From a distance of
1100 feet from the spotlight, the angle of elevation θ equals 37 degrees, 55
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Guest
Mar 22, 2020
0
682
6
Help!!! Geometry
The circles and intersect in two points, say and . Find the slope of line segment .
Thanks!
ElectricPavlov
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Guest
Mar 22, 2020
0
617
1
Pls help
A regular dodecagon $P_1 P_2 P_3 \dotsb P_{12}$ is inscribed in a circle with radius $1.$ Compute
\[(P_1 P_2)^2 + (P_1 P_3)^2 + \dots + (P_{11} P_{12})^2.\](The sum includes all terms of the form $(P_i P_j)^2,$ where $1 \le i < j \le 12.$)
<
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Guest
Mar 22, 2020
+1
923
2
+1252
Triangle Area Geometry
(Please ignore the scribbles on right.)
I was relatively sure it was D, since all we know is BQ=QP but not that DQ=QC or anything.
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CoolStuffYT
Mar 22, 2020
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664
1
Determining the possible values for θ?
To the nearest tenth of a radian, determine possible values of θ in the domain -2π ≤ θ ≤ 2π where cot θ = 3/5.
By taking the tangent ratio (tan θ = 5/3) and inversing it, I get 1.0 radians on my calculator
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ElectricPavlov
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Guest
Mar 22, 2020
0
587
2
help please
Liam is setting chairs for meeting he arranges chairs in 5 rows of the same length he has 3 chairs left over if he arranges the chairs in 3 rows of the same lengh he has 21 left over how many chairs does Liam have
CPhill
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Guest
Mar 22, 2020
0
2124
4
Geometry Questions
1) Five of the six interior angles of a hexagon have measures 111◦ , 122◦ , 133◦ , 144◦ , and 155◦ . What is the measure of the unknown interior angle?
2) The length of a diagonal of a square is 3 √ 2. What is the area of
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Guest
Mar 22, 2020
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458
1
help
Points A, B, C, and T are in a space such taht each of TA, TB, and TC is perpendicular to the other two. If TA = TB = 12 and TC = 6, then what is the distance from T to face ABC
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Guest
Mar 22, 2020
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375
1
deleted
deleted
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Guest
Mar 22, 2020
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630
2
help
If you rotate a sheet of paper by 180 degrees, digits 0, 1, and 8 do not change; 6 becomes a 9; 9 becomes a 6; while other digits lose their meaning. Count all the 7-digit numbers that do not change upon rotation by 180 degrees.
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Guest
Mar 22, 2020
0
633
3
help with fractions
is 1 over 1/3 = 3 or 1/3?
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Guest
Mar 22, 2020
+1
608
0
+13
Please Help with all of these if you can!
1) Consider the following Markov chain with 52!≈8×10^67 states. The states are the possible orderings of a standard 52-card deck. To run one step of the chain, pick 2 different cards from the deck, with all pairs equally likely, and swap the 2 cards. Is
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garfield
Mar 22, 2020
0
1410
9
help
A waitress sold 12 ribeye steak dinners and 30 grilled salmon dinners, totaling $557.59 on a particular day. Another day she sold 21 ribeye steak dinners and 10 grilled salmon dinners, totaling $582.75 . How much did each type of dinner cost?
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Guest
Mar 22, 2020
0
350
0
Please help with vectors
Find the distance between Q = (3, -7, -1) and the line through A = (1, 1, 2) and B = (2, 3, 4).
Guest
Mar 22, 2020
-1
997
9
+2095
What???
There is a bug going around.... let me explain it.
When I logout to do something and then log back in, it always says that one question that a Guest posted is mine. Why???? Can the admins of this solve this problem? For example, if
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CalTheGreat
Mar 22, 2020
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572
2
complex operations help
https://prnt.sc/rknawl
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Guest
Mar 22, 2020
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551
0
help please
A total of 12 players consisting 6 male and 6 female badminton players are attending a training camp
During a morning activity of the camp, these 12 players have to randomly group into six pairs
of two players each.
During an
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Guest
Mar 22, 2020
+1
812
5
+177
pls help
If is a real number and has two distinct real roots, then what are the possible values of ? Express your answer in interval notation.
I've done a lot of quadratic arithmetic before, but I am stuck on
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TheGreatestOofman
Mar 22, 2020
0
735
2
+78
Help with Math Question
A bag contains 7 white balls and 4 black balls. 4 balls are taken from the bag. Does it matter if the balls are taken 1 at a time or all 4 are "grabbed" all at once? Count how many ways there are at least 3 white balls.
I don't think
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Frooglie
Mar 22, 2020
0
371
0
Very stuck at this question :(
Help please.
https://free-picload.com/image/qqdV6m
Guest
Mar 22, 2020
0
956
5
+614
triangles and more
1.
In right triangle ABC , angle CABis a right angle. Point M is the midpoint of BC . What is the number of centimeters in the length of median AM? Express your answer as a decimal to the nearest tenth.
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xxJenny1213xx
Mar 22, 2020
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755
2
3(3)^2 + 3(3) + 12 = 48?
How does 3(3)^2 + 3(3) + 12 equal 48?
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Guest
Mar 22, 2020
0
3
2491
3
+16
maths computer question
using powers of 2, for finding the number of 64-bit words that can be held in a main memory of size 2 TiB.
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Rob93old
Mar 22, 2020
0
789
5
Let where and are relatively prime positive integers. Find
Let where and are relatively prime positive integers. Find
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Guest
Mar 22, 2020
-1
1160
5
+2095
Help
How many odd five-digit counting numbers can be formed by choosing digits from the set [1,2,3,4,5,6,7] if digits can be repeated?
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CalTheGreat
Mar 22, 2020
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