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The Math / Science topic primarily includes discussions of mathematics, physics, statistics and economic analysis, but also biology, chemistry and other sciences.

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is it just an issue of getting a quality adapter,

or should the machine be certified 220V compatible?

919 views
Better Security Awareness With Threat Intelligence

See how one of the leading financial services organizations uses Recorded Future as part of a holistic threat intelligence program to promote security awareness and proactively and efficiently identify threats.

A particular embedded 'C' software uses FLOAT and DOUBLE.  

The range and scalings for FLOAT and DOUBLE values are defined in ANSI / IEEE Std 754.  How can I access and understand this information?

311 views

to reduce iron content in water, iron additives are being sold..

a)iron does not taste good.. but is iron water harmful for human health..?
b)to remove iron, additives are used.. this is a situat…

643 views

This is a question about electronics.

I have next bridge board L298N:

Further info about L298N board is here (https://goo.gl/CeDAnH).  

And next DC motor:

With next parameters:

Full dat…

1851 views

https://wholesaler.alibaba.com/product-detail/bladeless-fan_60293379192.html?spm=a2700.7782932.1998701000.1.IKa5L8

https://www.aliexpress.com/item/New-Design-Bladeless-fan-Electrical-No-Blade-Fan-H…

432 views

What is the maximum distance of x in order to limit the slope change to less than .15 degrees?

543 views

Hello guys,

I need a clue:

I have an activity of two list of words. The first list, is the list of answers and the second list is the list of student list.

1) example

The student has a te…

736 views

Hi,
I am trying to understand the below formula. It was given to me some time ago and no contact with giver.
NmFin : Normalised FP = ((N+1)-2x) / sqrt(3(N+1)(N-1))
It will be used in a horse race t…

219 views

If I have conversion rate from USD to GBP how can I get the rate to reverse it so that I can covert from GBP to USD?

139 views

I have a dataset - I can get a mean and the mean stays constant as I apply the Central Limits Theorem and average increasing sample sizes.  However - it appears to by asympototic to normality by the A…

537 views
IT, Stop Being Called Into Every Meeting

Highfive is so simple that setting up every meeting room takes just minutes and every employee will be able to start or join a call from any room with ease. Never be called into a meeting just to get it started again. This is how video conferencing should work!

Hi

I need to calculate the Z-SCORE Values that would represent the Values of

+4
+3
+2
+1
0
-1
-2
-3
-4

based on the data that I have in Column J. The formulas needs to be kept inside …

452 views

Hi

I need to calculate the T-SCORE Values that would represent the Values of

100 T-SCORE Value
90 T-SCORE Value
80 T-SCORE Value
70 T-SCORE Value
60 T-SCORE Value
50 T-SCORE Value
40 T-SCO…

369 views

Hi

I need to calculate the Standard Deviation Values that would represent the SD Values of

+4
+3
+2
+1
0
-1
-2
-3
-4

based on the data that I have in Column J. The formulas needs to b…

554 views

Let's say the entire universe (both the parts known and unknown to us) restarted at the beginning of the new year January 1,1950 GMT.

Okay, we can't do that, but this is just a thought experiment. …

1956 views

Let's say there are 12 games being played.  One entry in the contest consists of picking the winners of any 7 of the 12 available games.  I need all 7 to be correct to win.  For the purposes of simpli…

436 views

Five hands (Five cards per hand) are dealt from a standard 52-card deck of cards.

What is the probability that the Queen of Heart will appear at least three times?

Note: After each dealing the e…

1865 views

the artist name is
http://www.proantic.com/en/display.php?mode=obj&id=188866
mentioned..

the artist mentioned is rolier

is it possible to find the exact artist and history of other works and …

554 views

if in postal address, if it is used as

C/R GHANA
in last line,

is it supposed to mean 'country'..

is it mandatory or optional?

241 views

1)
other than sun & moon (lunar) as reference sources, what are other sources on which calendars have been made throughout the world in history?
(is English calendar based on sun rotation?)

2)
i…

1038 views
Find Ransomware Secrets With All-Source Analysis

Ransomware has become a major concern for organizations; its prevalence has grown due to past successes achieved by threat actors. While each ransomware variant is different, we’ve seen some common tactics and trends used among the authors of the malware.

Coordinate Geometry

Question: In what ratio is the line joining the points (4,2) and (3,-5) divided by the x-axis? Also, find the coordinates of the point of intersection.

Solution: Let the requ…

443 views

Hi

I need to calculate the Percentile Values that would represent the Values of

100 Percentile Value
90 Percentile Value
80 Percentile Value
70 Percentile Value
60 Percentile Value
50 Perce…

241 views

Hi

I want to know what is the exact difference between Standard Deviations and z-scores, with respect to the excel ? Do they represent the same values or what ?

Which one is easy to calculate wi…

339 views

Hi

Could someone please explain in simple words, what is the Difference between Percentile and T-Score, and how should one decide about where to use which one ? Is there some proper explanation ava…

574 views

ELECTROLIER

the meaning i see online is
a chandelier in which the lights are electrical

question:
1)are there chandelier in which the lights are non-electrical?
2)LIER is common ending betwee…

757 views

Dear experts I need help on the attached geometric (Triangle) Figure

Find the value of X from the adjoining diagram:

Kindly let me know if any theorem is available which explains the geometric p…

755 views
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