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Prove that a/b=c/d⇔ad=bc (Principle for equality of fraction)
Asked by syed4all, Yesterday 02:38 AM in Mathematics
Prove that a/b=c/d⇔ad=bc (Principle for equality of fraction)
Question about Proof of Real Number..
Asked by syed4all, Jun 21, 2017 11:54 AM in Mathematics
Q: For real numbers a,b show the following by stating the properties used: I) (-a)b = a(-b) = -ab ii) (-a)(-b) = ab
Question about Proof of Real Number..
Asked by syed4all, Jun 21, 2017 11:07 AM in Mathematics
Q: Prove that for any Real Numbers a,b ab=0⇒a=0 or b=0
Can such an orbit exist? (picture)
Asked by maxsc, Jun 11, 2017 10:55 AM in Physics
I drew this to show my meaning clearer, now there are some points to consider before answering: This system only has these 2 planets plus some...
Tell me flaw in this design
Asked by vikram_gupta11, May 27, 2017 07:55 AM in Physics
This machine is based on gravity power and seesaw system. We can make it more simple . As per sketch there will be two seesaw system and both will...
How to know the order of an recurrence relation
Asked by carlito brigant, Jun 17, 2017 12:44 AM in Mathematics
Hi, I'm in a hurry, how to find order of an recurrence relation for example : an= an-1 + an^2-2 there order of this function is "2" how is that...
The sum of six consecutive even numbers of set A is 402. What is the sum of another s
Asked by tunde lasisi, Jun 16, 2017 06:56 AM in Mathematics
The sum of six consecutive even numbers of set A is 402. What is the sum of another set B of four consecutive numbers whose lowest number of set A?
What is the common cause of axle problem in a car?
Asked by Story Writer, Jun 11, 2017 11:32 AM in Mechanical Engineering
Yesterday, while going to the office, my car started behaving abnormally, i.e. the steering got tightened a bit and then after moving ahead a mile,...
Kipor genarator no output
Asked by TSUMBA, Jun 13, 2017 09:12 PM in Industrial Engineering
I have a kipor ade19 sta3 genarator that runs when started but is not giving me any output. I have checked all fuses and they are all OK. What could...
Can an earth-like planet be moon to a much bigger planet?
Asked by maxsc, Jun 11, 2017 11:21 AM in Paleontology
So can an Earth-like planet be the moon to a Jupiter for example? Or something of that size. And just to be clear, the Earth-like planet comes...
help figuring out planet x's orbit
Asked by maxsc, Jun 9, 2017 02:09 AM in Astronomy
if the years on planet x are 1000 days. and each 1 day on planet x is equal to 3 earth days. and if HALF of the year the whole planet is in NIGHT....
How close can a jupiter like planet be to an earth ?
Asked by maxsc, Jun 11, 2017 04:27 AM in Paleontology
If there is a system with a brighter star and ONLY 2 planets. Can the MUCH bigger planet be the first planet and the earth like planet be second...
Which is the bond in zirconium dioxide
Asked by savioukm, Jun 5, 2017 07:44 AM in Chemistry
Please tell me which is the bond in the molecule ZrO2? Is it ionic or covalant?
Asked by stev95503, May 31, 2017 07:37 PM in Zoology
Are hellgrammites and dragonfly larvae the same. Thank You: Hank
EtG/EtS Results
Asked by cgreen53, Jun 1, 2017 09:10 PM in Forensic Science
What are the parameters of this UA.
Function Transformation
Asked by SN2, May 19, 2017 09:37 PM in Mathematics
Given the function f(x)=x+6. The function g(x) results after the function f(x) has been stretched about the x axis by a factor of 3, reflected in the...
Trigonometric Identities
Asked by SN2, May 19, 2017 09:36 PM in Mathematics
1. Determine the non-permissible values of the identity (1/sinx)(1/cosx)=tan x + (1/tan x) 2. The equation (tan^2 θ)/(1+tan^2 θ) =sin^2 θ is true...
Mechanical clock
Asked by Brenda Haggai, May 17, 2017 10:48 AM in Mechanical Engineering
Why does my mechanical clock run faster as the spring becomes looser? In the weekly cycle of winding, the clock keeps perfect time for the first 2...
Electrical load calculation
Asked by sebnanp, May 13, 2017 08:09 AM in Electrical Engineering
we had a project done recently, We have used 5 watts bulb. Total of 235 no.s voltage -240v Wires used- 0.75mm duplex stranded cables and...
Is the pain med Tramadol as strong as morphine and...
Asked by Diane Dimond, May 11, 2017 02:51 PM in Chemistry
... if a lab tested 6 Tramadol pills would the test come back as positive for Morphine? Reason: A friend of mine is in prison. This person...

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