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All Questions
+0
230835 Questions
0
639
2
Geometry proof.
Let A and B be two points on the hyperbola xy = 1 and let C be the reflection B of through the origin.
This is a two part problem -
(a) Show that C is on the hyperbola.
(b) Let Gamma be the circumcircle of triangle ABC and let A'
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Guest
Feb 21, 2020
0
394
3
please help
Brian had 6 times as much money as Rahim. Brian spent $287 of his money to buy a birthday gift for his grandma while Rahim was awarded $73 for winning a competition. In the end, they had the same amount of money. How much did they have altogether at first?
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Guest
Feb 21, 2020
0
659
2
Proof by induction
Hey! Thanks in advace for any help with this one :)
Prove, by method of induction that 3^(3n)+2(n+2) is divisible for 5 for all nEN.
I've had a go- but can't manage to get anywhere.
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Guest
Feb 21, 2020
0
1023
2
help me please on this question
Sausages come in packets of 9. Bread rolls come in packets of 6. Colin wants to buy enough packs of sausages and rolls so that there are an equal number of sausages
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Guest
Feb 21, 2020
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594
3
A series is given by
A series is given by
Determine whether the series converges or diverges.
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Guest
Feb 21, 2020
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656
1
help
The graph of f(x)=cosx _____ . Therefore, a domain restriction must be placed on the function for the inverse function to be defined. The domain restriction placed on f(x)=cosx is _____ so that its inverse function
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Guest
Feb 21, 2020
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589
2
help
What is the value of sin^-1 (−√3/2) ?
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Guest
Feb 21, 2020
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2093
1
help
What are the key characteristics of the graph of f(x)=csc x?
Select all correct statements.
1.The y-intercept is (0,1).
2.The range of the function is (−∞, −1]∪[1, ∞) .
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Guest
Feb 21, 2020
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368
1
help
Using only notes of denominations $5, $10, $20, How many ways can you give me $100 using at most 6 $10 notes?
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Guest
Feb 21, 2020
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525
1
help
Let where and a and b are relatively prime positive integers. Find the smallest possible value of a + b.
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Guest
Feb 21, 2020
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668
2
+44
Question about the website
Is it possible to delete questions after they are posted? If so, will the answers to the question also get deleted?
off-topic
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qwerasdfzxcv1
Feb 21, 2020
0
594
1
Use the method of cylindrical shells
Use the method of cylindrical shells to find the volume of the solid obtained by rotating the region bounded by the curves 𝑦=𝑥3,y=x3, 𝑦=8,y=8, and 𝑥=0x=0 about the 𝑥x-axis.
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Guest
Feb 21, 2020
+2
711
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+93
For a given positive integer n, describe a method for finding the smallest positive integer with exactly n factors.
For a given positive integer n, describe a method for finding the smallest positive integer with exactly n factors.
RandomUser
Feb 21, 2020
0
1055
2
Determining the approximate value of this log w/o a calculator?
Given log 3 = 0.477 and log 7 = 0.845, determine the approximate value of log (132 300) without using a calculator.
All I could think about is using the antilog of each, but then how can I estimate from there?
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Guest
Feb 21, 2020
-2
617
2
+288
Halp!
Find all for which is a perfect square.
Thanks in advance for any help!
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madyl
Feb 21, 2020
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702
3
Also need help
Tom got a Mr. Potato Head for his birthday. It came with 3 hairstyles, 2 sets of eyebrows, 1 pair of googly eyes, 2 sets of ears, and 2 sets of lips, a pair of regular shoes, and a bonus pair of clown shoes. If a complete Mr. Potato Head personality includes
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Guest
Feb 21, 2020
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556
1
help please!
In triangle ABC, AB = 14, AC = 13, and BC = 15. Let X be the reflection of A over B, and let CX intersect the circumcircle of triangle ABC again at D. Find the length CD.
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Guest
Feb 21, 2020
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1658
2
Halp quickk!!!
Benjamin is trying to break a combination lock. This particular type of lock has 5 digits from 0 to 9, and Benjamin just happens to know that there can be no repeated digits in the code for this type of lock. How many valid codes are there?2
Rom
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Guest
Feb 21, 2020
0
823
1
cat and mouse
A cat chases a mouse. The cat is originally 4 feet behind the mouse, which is running in the same direction along the same route as the cat. If the cat's speed is 17 feet per second and the mouse's speed is 12 feet per second, how long will it take the
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Guest
Feb 21, 2020
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611
1
help quickly
Find $a$ if the remainder is constant when $10x^3-7x^2+ax+6$ is divided by $2x^2-3x+1$.
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Guest
Feb 21, 2020
0
3288
3
Write degrees Celsius as a function of degrees Fahrenheit.
Water freezes at 0 celsius and 32 fahrenheit. Water boils at 100 celsius and 212 fahrenheit. Write degrees celsius as a linear function of degrees fahrenheit.
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Guest
Feb 21, 2020
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560
1
help
A woman has 26 coins in her pocket, all of which are dimes and quarters. If the total value of the coins is $ 5.45, how many dimes and how many quarters does she have?
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Guest
Feb 21, 2020
0
610
1
Algebra
125 degrees + 170 degrees + x degrees = 180 degrees
hugomimihu
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Guest
Feb 21, 2020
0
447
1
Help please
In a certain rectangular prism, the total length of all the edges is 40 and the total surface area is 48. Find the length of the diagonal connecting one corner to the opposite corner.
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Guest
Feb 21, 2020
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