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Post New Question
All Questions
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232716 Questions
0
373
1
Help QUICKLY anyone
There exists a constant c so that among all chords of the parabola passing through
is a fixed constant. Find the constant
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Guest
Feb 28, 2020
0
561
2
please help
Find the mean of 7 numbers if the mean of the first 4 numbers is 5 and the mean of the last 3 numbers is 12. What is the mean of the combined data sets?
brianlaw
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Guest
Feb 28, 2020
0
1
495
1
help
There is an exam worth 145 with 50 questions. Some questions are worth 2 points and some are worth 5 points, how many two point questions are on the test?
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Guest
Feb 28, 2020
0
421
1
quick problem - need help
The numbers 1,2, ..., 10 are to be entered into the 10 boxes shown below, so that each number is used exactly once:
\[P = (\square + \square + \square + \square + \square)(\square + \square + \square + \square + \square).\]
What
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Guest
Feb 28, 2020
0
1230
3
help please
I run a book club with n people, not including myself. Every day, for 365 days, I invite four members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the exact same group of four members over all 365
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Rom
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Guest
Feb 28, 2020
0
597
2
geometry help
Triangles ABC and ADE have areas 2007 and 7002 respectively, with B=(0,0), C=(223,0), D=(680,380), and E=(689,389). What is the sum of all possible x-coordinates of A?
The answer is not -1238
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Guest
Feb 28, 2020
-1
353
1
Help please
How many paths start at (0,0) end at point (6,3)in which at each step you can only move 1 unit up or to the right and also along no point along the path is the y coordinates are allowed to be larger than the x?
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Guest
Feb 28, 2020
+1
754
1
+17
Precalculus Question
Let u and v be real numbers such that
Find
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CCjump21
Feb 28, 2020
0
1
601
2
help with geometry
A solid metal sphere rests in a rectangular tray. The radius of the metal ball is 2cm. The width and the length of the base of the tray are 7cm and 12cm respectively. The depth of water in the tray is 2cm.
(a)Find the volume of the water in the tray
(b)If
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Guest
Feb 28, 2020
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582
1
help
Let and be vectors such that and . Compute the ratio .
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Guest
Feb 28, 2020
0
567
1
help
ln how many ways can we distribute 7 apples and 6 oranges among 4 children so that each child gets at least one apple.
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Guest
Feb 28, 2020
0
372
0
geometry please help!!! :(
In square , and are the midpoints of and , respectively. Line segments and intersect at . Let be the midpoint of , and let be the intersection
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Guest
Feb 28, 2020
0
455
2
How many 4 digit numbers have the property that the last digit is at least 4 times the first digit?
How many 4 digit numbers have the property that the last digit is at least 4 times the first digit?
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Guest
Feb 28, 2020
0
573
1
coordinate geometry
Write the equation of the circle satisfying the center (3,4) and tangent to 2x - y + 5 = 0
geno3141
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Guest
Feb 28, 2020
-2
307
0
GEOM QUESTION HELP PLEASE
1. The circles x^2+y^2 and (x-3)^2+(y-5)^2=25 intersect in two points, say P and Q. Find the slope of line segment PQ.
THANK YOU SO MUCH
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Guest
Feb 28, 2020
0
721
1
+1995
check question
It takes 3.2×103 J of heat to melt an amount of gold (ΔHf=6.30×104 Jkg/) . How much gold do you have?
5.1 g
0.051 g
51 g
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ElectricPavlov
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jjennylove
Feb 28, 2020
Feb 27, 2020
0
504
1
help
Tickets to the softball game are $4 for students and $7 for adults. If $795 was made at the last game and 165 people attended, how many students were at the game?
ElectricPavlov
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Guest
Feb 27, 2020
0
630
1
Suppose that ABC is a right triangle with right angle at B. If AC = 25 and the altitude BD = 20, what is AD?
Suppose that ABC is a right triangle with right angle at B. If AC = 25 and the altitude BD = 20, what is AD?
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Guest
Feb 27, 2020
0
450
1
need help ASAP!
An urn has 10 balls that are identical except that 5 are white and 5 are red. A sample of 6 is selected randomly without replacement. What is the probability that exactly 4 are white and 2 are red?
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Guest
Feb 27, 2020
0
616
1
help
I had a deck of cards but I lost a few. When I play with 3 other people, I have three cards left. When I play with 2 other people 2 cards are left. When I play with 4 other people, I have 2 cards left. How many cards have I lost?
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Guest
Feb 27, 2020
+1
1431
1
+22
Please Help With This Question!!???
The equation of the perpendicular bisector of the line segment joining the points $(-3,8)$ and $(-5,4)$ is $y = mx + b$. Find $m+b$.
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INEEDHELPCUZIMSMART
Feb 27, 2020
0
360
1
help
There are 24 students in your class. Your teacher wants to put you in groups for your data-management project. How many ways can six groups of four be made
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Guest
Feb 27, 2020
0
693
5
+50
Probability Math Question
If 4 numbers from 1 to 100 are chosen at random, one at a time, find the probability that they will be chosen in decreasing order.
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jamesbroadman
Feb 27, 2020
0
762
4
+50
Horse Math Question
A fence encloses a square field whose sides measure 8 m. A horse is tethered to a rope that is attached to a corner post of the field so that the horse is outside the fence. If the rope holding the horse is 13 m long, find the total grazing area of the
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jamesbroadman
Feb 27, 2020
0
655
3
+50
Exponents Math Question
Find how many digits the base five number 5^(6^9) has when written in base five.
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jamesbroadman
Feb 27, 2020
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