ABCD

This page lists questions and answers that were posted by visitors named ABCD.

Questions

The following questions were asked by visitors named ABCD.

How would the maximum and minimum values of a feasible region be found with a given function such as f(x,y)=-x+3y?
16 years ago
Pertaining to the previous question, if two of the vertices of a feasible region are at (1,3) and (6,1) how would the linear equation representing a line connecting them be found?
16 years ago
Last question. If I have found all of the linear equations and have all of the intersection points for this feasible region, how do I calculate the maximum and minimum using the given function f(x,y)=-x+3y?
16 years ago
What factoring technique would be used to factor 2x^2+5x+3?
16 years ago
Are you sure that (2x+1)(x+3) is the factored version of 2x^2+5x+3?
16 years ago
It's impossible to factor x^2-6x+5 right?
16 years ago
Can anyone help, my calculator does not have enough space for simplifying this, sqrt[(16*10^113)/250*10^-28]
16 years ago
In "Othello" Desdemona is slapped by Othello in Act 4 Scene 1. Why soesn't she defend herself eventhough she's innocent? I was thinking that maybe she was just too stunned to do anything or maybe she thought that something was wrong such as he was ill or...
16 years ago
Consider the following equations. For each, decide whether it represents a chemical reaction or a physical change. a. SnCl4(aq) + 4H2O(l)  Sn(OH)4(s) + 4HCl(aq) b. 4K(s) + O2(g)  2K2O(s) c. NaCl(s)  Na+(aq) + Cl-(aq)
14 years ago
Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states. a. (NH4)2CO3 and CrCl3 b. Ba(OH)2 and HCl c. FeCl3 and NaOH d....
14 years ago
Suggest chemical reactions that could be used to identify the contents of four unlabeled bottles containing solutions of the following substances: CuSO4, Al2(SO4)3, Pb(NO3)2, and FeSO4.
14 years ago
Benzene, C6H6, is a known carcinogen that burns in air according to the following unbalanced equation: C6H6(l) + O2(g)  CO2(g) + H2O(g) a. What is the mole ratio of O2 to C6H6? b. How many moles of O2 are required to react with each mole of C6H6? c. How...
14 years ago
Calculate the empirical formula for the following compound: potassium tartrate found in baking powder: 20.8% K, 2.7% H, 25.5% C, and 51.0% O
14 years ago
Determine the empirical and molecular formula for a compound made from 54.09% calcium, 2.72% hydrogen, and 43.18% oxygen with a total molar mass of 222.3 g.
14 years ago
How many moles of oxygen are in 3.45 mol of diphosphorus pentoxide? options: 5.75 mol O 13.5 mol O 6.90 mol O 3.45 mol O 17.3 mol O
14 years ago
How many molecules of oxygen are produced from the decomposition of 8.75 g of hydrogen peroxide in the following equation Mg + H2O2 --> MgH2 + O2 options: 8.75 x 1024 6.02 x 1023 1.55 x 1022 5.27 x 1024 1.55 x 1023
14 years ago
How many grams of oxygen are in 40.1 g of calcium hydroxide? options: 17.3 g 8.64 g 20.1 g 0.541 g 11.2 g
14 years ago
Consider the following reaction. CaO (s) + CO2 (g) = CaCO3 (s) A chemist allows 14.4 g of CaO and 13.8 g of CO2 to react. When the reaction is finished, the chemist collects 19.4 g of CaCO3. Determine the limiting reactant, theoretical yield, and percent...
14 years ago
Given the following dissolving process: Fe2(SO4)3 (s) = 2Fe3+ (aq) + 3SO42- (aq) How many grams of iron (III) ions are produced when 0.450 moles of sulfate ion are produced? options: 50.3 g 16.8 g 50.3 g 37.7 g 75.4 g
14 years ago
What is the coefficient for aluminum after the following equation is balanced: Al(s) + O2(g) --> Al2O3(s) options: 2 4 1 3 0
14 years ago
given the reaction: 2mg + o2-----> 2mgo . when 4.32g of oxygen react with magnesium 327kj of energy is produced. the heat of reaction for 1 mole of oxygen is???
14 years ago
P is a point in rectangle ABCD. The distance from P to the 4 vertices of the rectangle are 7,15,24 and N in some order. If N is an integer, determine the value of N.
12 years ago
Points A,B,C are given on circle Γ such that AB=BC. The tangents at A and at B intersect again at point D. The line CD intersects Γ again at E. The line AE intersects BD at F. If AD=120, what is the length of FB.
12 years ago
Mariolys is creating a numbered list of distinct integers. Luigis sees that there are N numbers in the list, and states that he can find either a subsequence of length 13 with increasing terms or a subsequence of length 17 with decreasing terms. What is t...
12 years ago
Consider 100 kg/s of steam expanding in a turbine. The inlet to the turbine is at 15 MPa, 500 degrees C. The steam expands to 0.01 MPa. The exit entropy is 6.200 kJ/(kg.K). Though the turbine is well insulated, at a place where the temperature is 127 degr...
8 years ago
Consider air as an ideal gas with Cp=1000 J/(kg.K), R=287 J/(kg.K) and γ≈1.4. It is compressed from 1 bar, 300K to 10 bar using a compressor. The compressor can be considered adiabatic but not reversible. The flow rate is 2 kg/s, and the entropy produc...
8 years ago

Answers

The following answers were posted by visitors named ABCD.

Thanks
16 years ago
Thanks, I appreciate the help.
16 years ago
1.Cytosol is the liquid found within a cell, so I would say D. BUT cytoplasm is actualy the cytosol + organelles. This would make D. and E. the same so I would say A. none of these. 2.Prokaryotic cells divide by binary fission. Although this is the way ba...
16 years ago
Subtract 2cm from 16cm and then divide that number by 2. After that multiply it by 5.
16 years ago
Thanks, I hope that's it.
16 years ago
I believe it is Continental silver. Yaahoo 82.5% silver and choose 3rd link
16 years ago
I would have to say because religion has been an integral part of society since humans have lived. Social studies is studying society, people, customs, etc.
16 years ago
Not really
16 years ago
oh that's what you mean. I guess we call it something different. Thanks
16 years ago
Sorry this was meant for Reiny
16 years ago
ok thanks
16 years ago
Ah, thank you. I was thinking that 5 had to be divided into squares but it is prime.
16 years ago
y=5/3X-4
16 years ago
Just add the two together as they are then divde the term with no variable by the one with a variable to get your answer.
16 years ago
Thanks
16 years ago
A robber ducky
16 years ago
Thanks
16 years ago
so whts th answer from th options??
14 years ago
This problem is at an website (brilliant . org). Please don't answer this since the problem is open. Answer this the next week.
12 years ago
Exactly one triangle exists with the given conditions, and it must be a scalene triangle.
9 years ago
1.What is the entropy production rate (in kW/K)? 2.If the process is possible, what is the outlet dryness fraction? 3.if the process is possible, what is the power output of the turbine, in MW?
8 years ago
plzzz give the answer onlyyyy
8 years ago
Consider 2 kg of an ideal gas (R=300 J/(kg.K) and Cp=1000 J/(kgK)) contained in a piston cylinder arrangement. The cylinder has a small valve at the end opposite to the piston.The cylinder walls are not adiabatic and allow heat transfer. The initial press...
8 years ago
We have this at the U of A too
8 years ago
CHUTIYA
4 years ago
a+4d = a+4(-3) = 5 a-12 = 5 a = 17 Answer: (given) an = 5 and difference = -3 a⁵ = a + 4 d 5 = a + 4(-3) 5 = a + (-12) 5 = a - 12 12 + 5 = a a = 17 Ans- a= 17 Fifty term of A.P Is 17
2 years ago
Which of the following is not equivalent to this expression 2m +10m +14 +3 A. m+12m+8+9 B 2m+10+10m+7 C. 6m+6m-1+18 D 15m + 15-3m+2
1 year ago
Which equation is equivalent to 4X +3+ (-3x) +7x-6x = 11 A. 8x+3=11 B. 2x+3=11 C. 5x=11 D. -4x=11
1 year ago
That’s not an option
1 year ago
The options are She added 12 to both sides She did not divide both sides by 12 She did not multiply both sides by 12 She did not divide both sides by -1
1 year ago