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Questions (37)

Willow solves the equation 12 -P= 16 and gets that P=4 what did she do wrong?She added to both sides She did not divide both
1. 5 answers
2. 26 views
1) A particle moves in the xy plane (see the from the origin to a point having coordinates x = 7m and y = 5m under the influence
1. 1 answer
2. 933 views
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
1. 2 answers
2. 780 views
Consider air as an ideal gas with Cp=1000 J/(kg.K), R=287 J/(kg.K) and Î³â‰ˆ1.4. It is compressed from 1 bar, 300K to 10
1. 3 answers
2. 938 views
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
1. 9 answers
2. 1,218 views
In a relay race the second runner does not start from rest. it covers 100 m in 10 sec, finishing with maximum velocity of 12
1. 2 answers
2. 569 views
Mariolys is creating a numbered list of distinct integers. Luigis sees that there are N numbers in the list, and states that he
1. 2 answers
2. 585 views
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
1. 2 answers
2. 982 views
Given the set of integers {1,2,3,…,801}, what is the maximum number of sets we could distribute these numbers into such that
1. 1 answer
2. 417 views
Let S be a set of 31 equally spaced points on a circle centered at O, and consider a uniformly random pair of distinct points A
1. 1 answer
2. 526 views
Find the number of pairs of non-negative integers (n,m), such that 1≤n<m≤100, n∣m2−1 and m∣n2−1.Details and
1. 1 answer
2. 414 views
Find the denominator n of the rational number kn (k,n are both integers) such that ∣Root 2 - k/n∣ is the smallest possible,
1. 1 answer
2. 501 views
Let A0=(−1,0), and let O be the origin (0,0). For each integer i≥1, we construct the point Ai so that |Ai−1Ai|=|Ai−1O|
1. 1 answer
2. 420 views
Let x,y,z be non-negative real numbers satisfying the condition x+y+z=1. The maximum possible value ofx^3y^3+y^3z^3+z^3x^3 has
1. 1 answer
2. 489 views
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
1. 2 answers
2. 849 views
given the reaction: 2mg + o2-----> 2mgo . when 4.32g of oxygen react with magnesium 327kj of energy is produced. the heat of
1. 2 answers
2. 897 views
What is the coefficient for aluminum after the following equation is balanced: Al(s) + O2(g) --> Al2O3(s)options: 2 4 1 3 0
1. 3 answers
2. 1,094 views
Given the following dissolving process: Fe2(SO4)3 (s) = 2Fe3+ (aq) + 3SO42- (aq) How many grams of iron (III) ions are produced
1. 4 answers
2. 1,452 views
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
1. 4 answers
2. 5,171 views
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
1. 5 answers
2. 3,815 views
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in
1. 2 answers
2. 669 views
How many molecules of oxygen are produced from the decomposition of 8.75 g of hydrogen peroxide in the following equation Mg +
1. 4 answers
2. 1,560 views
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
1. 5 answers
2. 3,727 views
Determine the empirical and molecular formula for a compound made from 54.09% calcium, 2.72% hydrogen, and 43.18% oxygen with a
1. 4 answers
2. 1,976 views
Calculate the empirical formula for the following compound: potassium tartrate found in baking powder: 20.8% K, 2.7% H, 25.5% C,
1. 2 answers
2. 591 views
Benzene, C6H6, is a known carcinogen that burns in air according to the following unbalanced equation:C6H6(l) + O2(g)  CO2(g)
1. 4 answers
2. 1,524 views
Suggest chemical reactions that could be used to identify the contents of four unlabeled bottles containing solutions of the
1. 2 answers
2. 516 views
Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and
1. 3 answers
2. 913 views
Consider the following equations. For each, decide whether it represents a chemical reaction or a physical change.a. SnCl4(aq) +
1. 3 answers
2. 817 views
In "Othello" Desdemona is slapped by Othello in Act 4 Scene 1. Why soesn't she defend herself eventhough she's innocent? I was
1. 2 answers
2. 612 views
Can anyone help, my calculator does not have enough space for simplifying this,sqrt[(16*10^113)/250*10^-28]
1. 4 answers
2. 443 views
It's impossible to factor x^2-6x+5 right?
1. 3 answers
2. 351 views
Are you sure that (2x+1)(x+3) is the factored version of 2x^2+5x+3?
1. 6 answers
2. 403 views
What factoring technique would be used to factor 2x^2+5x+3?
1. 7 answers
2. 604 views
Last question.If I have found all of the linear equations and have all of the intersection points for this feasible region, how
1. 3 answers
2. 536 views
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
1. 3 answers
2. 406 views
How would the maximum and minimum values of a feasible region be found with a given function such as f(x,y)=-x+3y?
1. 3 answers
2. 752 views

Answers (30)

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
That’s not an option
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
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
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
CHUTIYA
We have this at the U of A too
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
plzzz give the answer onlyyyy
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?
Exactly one triangle exists with the given conditions, and it must be a scalene triangle.
This problem is at an website (brilliant . org). Please don't answer this since the problem is open. Answer this the next week.
so whts th answer from th options??
Thanks
A robber ducky
Thanks
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.
y=5/3X-4
Ah, thank you. I was thinking that 5 had to be divided into squares but it is prime.
ok thanks
Sorry this was meant for Reiny
oh that's what you mean. I guess we call it something different. Thanks
Not really
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.
I believe it is Continental silver. Yaahoo 82.5% silver and choose 3rd link
Thanks, I hope that's it.
Subtract 2cm from 16cm and then divide that number by 2. After that multiply it by 5.
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
Thanks, I appreciate the help.
Thanks

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