123 Answered Questions for the topic Data Science

03/25/21

I need help please with my science homework please I have needed help for hours
1.) 2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2OIn the above equation, how many grams of N2 can be made when 11.8 moles of CuO are consumed?Round your answer to the nearest tenth. If you answer is a whole... more
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03/25/21

Hello please help me with my chemistry please someone respond please
1.) 3 Cu + 8HNO3 → 3 Cu(NO3)2  + 2 NO + 4 H2OIn the above equation, how many grams of water can be made when 4.3 moles of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is... more
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Data Science Science Biology Chemistry

03/25/21

Hola I need so much help with my chemistry homework please can someone actually help me as soon as possible please

1.) 3 Cu + 8HNO3 → 3 Cu(NO3)2  + 2 NO + 4 H2OIn the above equation, how many grams of water can be made when 4.3 moles of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is... more
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03/25/21

Hi um I am in desperate need of assistance with my chemistry homework as soon as possible please please thank you

1.) 3 Cu + 8HNO3 → 3 Cu(NO3)2  + 2 NO + 4 H2OIn the above equation, how many grams of water can be made when 4.3 moles of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is... more
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Data Science Math Physics

03/07/21

A guitar string has a mass of 0.3 kg with a length of 0.45 m (the force of tension on the string is 20 N).

What is the speed of the wave on the guitar string?
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Data Science Computer Science Python

03/04/21

PYTHON: How to scale color channels of an imported image to find the area fraction within certain indices (see below)?
Question 1.2: Scale the red channel by 150 C, the green channel by 90 C, and the blue channel by 40 C. Add the contribution of each channel to compute the resulting temperature. Calculate the area... more
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Data Science

02/25/21

steps to complete this homework
 Download new Trump approval data using the url for the 538 website: https://projects.fivethirtyeight.com/trump-approval-data/approval_topline.csv. Be sure to download it from this link directly... more
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02/11/21

Understand the above mention scenario, which non-linear data structure is used for it. Also perform some basic operation of that data structure with old as well as updated data elements.
Suppose your system is storing market data to analyze and found under-valued or over-valued stocks to make a buying or selling decision, and you need to store only recent market data for that... more
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02/11/21

What will be the fastest way to call all the members
A table stores the data for all the members of an exotic resort. Members are identified by these numbers 1,5,30,70,80,20,15,100,40,25,7,3,8,33,22. All members are to be invited in a meeting to... more
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Data Science Computer Science

01/22/21

Draw an entity relation diagram
Draw an entity relation diagram (ERD) for the following entities. You also need to include attributes indicating primary and foreign keys. Include associative entities if... more
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Data Science

01/15/21

SOM(self-organizing map)
helloHow to use SOM as a supervised learning technique? which approach can be added to SOM to turn it to supervised learning?
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Data Science Math Science Algebra 1

01/05/21

need some help with this
What is the molarity concentration of potassium chloride in this sports drink?Molarity =            ( note: 1,000g of water-based fluids = 1 L )
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01/05/21

help me with some science
If this potassium is put in the drink as potassium chloride (KCl2), how many moles of potassium chloride is there in 100 g of the drink?
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Data Science Math Biology Statistics

12/27/20

How to do data and statistical analysis of data where the type of results and methodology are very different
Hello! I needed help with a systematic review that I am conducting. I have found some data but it is very different and I cannot combine it. I am measuring the complement resistance of certain... more
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12/16/20

Develop a program(in C) that will output the route path and associative cost among the cities using the knowledge of GRAPH THEORY.
Choose 5 domestic airports of Y country as node(Vertices) and flight_fare as cost(for Edges) to form a GRAPH. Develop a program(in C) that will output the route path and associative cost among the... more
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12/08/20

Please answer the short prompt regarding database storage solutions and structure. Which data storage solution is best?
Situation:You've just been brought into a company that's looking at how decisions are ultimately made by a Hollywood studio regarding casting. You have been asked to collect and store a wide... more
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11/09/20

DATA ANALYSIS ENGINEERING
A male fruit fly is equally likely to carry alleles a or b on the X chromosome. Allele a is lethalfor females, so if the male fruit fly carries a, all of its offspring will be male. If the male... more
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Data Science Computer Programming

11/02/20

Suppose you have to create a data structure to represent a "Student” where student is represented by "studid" whose data type is integer and "studname" whose data type is character array of size 40.
Suppose you have to create a data structure to represent a "Student” where student is represented by "studid" whose data type is integer and "studname" whose data type is character array of size... more
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11/01/20

How to assign seats to the passengers maintaining social distancing?
Imagine there are 30 people in line to board a train that seats 100. However, per currentregulations there must be at least two empty seats between each pair of passengers. Theregulations are not... more
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09/02/20

Does management generally get heavily involved with the technical details of a linear programming study?
Does management generally get heavily involved with the technical details of a linear programming study?
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08/18/19

Should I choose Computer Science or Data Science ?
I got Maters admission in Computer Science and Data Science in a well reputed university in Pakistan. I am a little bit confuse that what should I choose. Should I choose Computer Science or Data... more
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07/01/19

How to combine multiple data sources?
I have two data sets. Data set A: data about lifestyles, health conditions and SOCIOECONOMIC and Data set B: data about travel behavior and also SOCIOECONOMIC. We don't know whether they are the... more
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Data Science

10/19/17

What all do you have to become proficient at to learn just predictive analytics?
I don't want to learn all about data science or machine learning, I'm just trying to master the facet of predictive analytics. I know you use R, statistics, and data modeling, but what else? 
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