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Questions Asked on October 31, 2016

Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X.The enthalpy of formation of MX2 is
1. 0 answers
2. asked by Joseph
3. 813 views
Um I don't really understand these word problems so could someone help me please?1) An object is thrown upward with an initial
1. 6 answers
2. asked by Annie
3. 645 views
Why was agriculture important and life-changing for Ancient Egyptians?
1. 2 answers
2. asked by Anonymous
3. 508 views
A rectangular plot of land is to be fenced in using two kinds of fencing. Two opposite sides will use heavy-duty fencing selling
1. 1 answer
2. asked by kayso
3. 7,796 views
1. I ought to go by plane, shouldn't I?2. I ought to go by plane, oughtn't I? ------------------------- Which tag question is
1. 1 answer
2. asked by rfvv
3. 345 views
1. Which of the above functions are not continuous where they are defined? Why?2. Which of the above functions are not
1. 1 answer
2. asked by Ray
3. 611 views
indefinite integral : (sqrt(V^2sin^2(2pi/T*t))) dt
1. 2 answers
2. asked by byu
3. 443 views
BOOKBINDINGTwo square sheets of cardboard used for making book covers differ in area by 44 inches. An edge of the larger square
1. 1 answer
2. asked by Trina
3. 920 views
A manufacturer of hospital supplies has a uniform annual demand for 80,000 boxes ofbandages. It costs $10 to store one box of
1. 0 answers
2. asked by alex
3. 881 views
A 30 kg student pushes a 20kg box on frictionless surface. If student accelerates at 0.8m/s^2(N),what is acceleration of bix.
1. 3 answers
2. asked by IZAAK SiDney Dunkan
3. 510 views
A concave, spherical mirror and a thin, converging lens are both measured in air (n=1.0) to have the same focal length, ff. Both
1. 1 answer
2. asked by Urgent Help Needed Please!!!
3. 2,616 views
Solve each equation.(y-1)(y+6)=(y-3)(y-2)+8
1. 1 answer
2. asked by shea
3. 327 views
(3-4yi)(6+7i)-[(2-3yi)-3(1+7i)]Express it in a+bi form I got 19+42i-21yi+28y but I do not know how to express it in a+bi form,
1. 1 answer
2. asked by Kris
3. 473 views
A pile driver lifts a 450 kg weight and then lets it fall onto the end of a steel pipe that needs to be driven into the ground.
1. 3 answers
2. asked by Alex
3. 7,622 views
Consider the following reaction.2Fe2O3 --> 4Fe+3O2 Hrxn=+824.2 The Formation of 21.0 of Fe results in 1)the release of 77.5 kJ
1. 1 answer
2. asked by Danny
3. 1,619 views
Solve:6-i/i
1. 1 answer
2. asked by Aria
3. 311 views
Six dogs pull a two-person sled with a total mass of 280 kg. The coefficient of kinetic friction between the sled and the snow
1. 2 answers
2. asked by Alex
3. 3,701 views
Which of the following is one of the notable achievements of early China ?How did the Zhou dynasty come to rule a large part of
1. 6 answers
2. asked by Tyrone gattis
3. 2,335 views
Which one of the following is NOT a physical process?A. Dry ice subliming B. Steam condensing C. Alcohol evaporating D. Melting
1. 2 answers
2. asked by Anjali
3. 626 views
**=answerTo adopt a dog from an animal shelter, you must pay $80 for vaccinations, $65 to spay or neuter the dog, and $50 for a
1. 12 answers
2. asked by Madeline
3. 5,237 views
Oxygen gas and aqueous benzoic acid react to form carbon dioxide gas and water gas. Determine the mass of water in grams if
1. 1 answer
2. asked by paige
3. 879 views
What is the molality of a 30.0% by mass hydrochloric acid solution ? The density of the solution is 1.0980g/mol.
1. 1 answer
2. asked by Trish
3. 2,966 views
A 3-member executive committee is to be formed from a 11-member board of directors. In how many ways can it be formed? 6 170
1. 2 answers
2. asked by Kal Jay
3. 1,529 views
1.Factor 3/4 out of 3/4z+6.2.Factor 18x+6y using the GCF. 3.Factor −5 out of −10a−25.
1. 3 answers
2. asked by Madeline
3. 1,029 views
Write an algebraic expression for 4 less than the product of 2 and a number.4-(2a)
1. 1 answer
2. asked by Hayden
3. 810 views
Traffic signs are regulated by the Manual on Uniform Traffic Control Devices (MUTCD). The perimeter of a rectangular traffic
1. 1 answer
2. asked by nat
3. 1,278 views
1.Factor 3/4 out of 3/4z+6.2.Factor 18x+6y using the GCF. 3.Factor −5 out of −10a−25
1. 5 answers
2. asked by Madeline
3. 2,971 views
Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X.The enthalpy of formation of MX2 is
1. 2 answers
2. asked by Joseoh
3. 825 views
if the of musician in a fanfare is between 21 and 49. which way does the musician have to stand to form the biggest number of
1. 1 answer
2. asked by bob
3. 466 views
what is the name of this coordination compound [CoSO4(NH3)5]Br?my attempt: cobaltsulfatepentaamine Bromine
1. 0 answers
2. asked by chemi
3. 621 views
How can I draw a lewis dot structure of XeF2O?
1. 0 answers
2. asked by Joseoh
3. 1,056 views
A flywheel in the form of a uniformly thick disk of radius 1.48 m, has a mass of 43.6 kg and spins counterclockwise at 303 rpm.
1. 0 answers
2. asked by Morgan
3. 550 views
A uniform disk of radius 0.485 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring
1. 0 answers
2. asked by Morgan
3. 940 views
A student holds a bike wheel and starts it spinning with an initial angular speed of 7.0 rotations per second. The wheel is
1. 2 answers
2. asked by Morgan
3. 4,528 views
Find the sum of the three smallest positive values of theta such that 4(cos^2)(2theta-pi) =3. (Give your answer in radians.)LaTE
1. 1 answer
2. asked by Steve Ho
3. 768 views
A piece of copper ball of mass 30grams at 150 degree celcius is placed in a copper calorimeter of mass 70gams containing 60grams
1. 0 answers
2. asked by Elizabeth Avan
3. 676 views
A long, straight wire with a circular cross section of radius R carries a current I. Assume that the current density is not
1. 0 answers
2. asked by Ayaka
3. 1,524 views
Tickets at a fair cost $0.75 each. You can also buy a roll of 25 tickets for $15.00. What is the cost of each ticket if you buy
1. 1 answer
2. asked by Kayla
3. 431 views
Determine the amount of compound remaining in the aqueous phase and organic phase and organic phase if a 5.0g organic compound
1. 0 answers
2. asked by Anonymous
3. 561 views
A monopoly can produce any level of output it wishes at a constant marginal (and average) cost of $5 per unit. Assume the
1. 1 answer
2. asked by Samira
3. 1,161 views
In what way did the Russians tsars fail to follow the example of Western European rules?A. They instituted cultural reforms B.
1. 2 answers
2. asked by Tylrt
3. 621 views
The combustion of a hydrocarbon X (30 cm3) with 350 cm3 of oxygen at STP resulted in the formation of 440 cm3 of gaseous
1. 0 answers
2. asked by Cavenia
3. 626 views
2. The average atmospheric pressure at sea level is approximately 101 000 Pa. If the density of air at 0◦C is approximately
1. 1 answer
2. asked by Merdreik
3. 1,256 views
Relation b/w genetics and gp
1. 1 answer
2. asked by maya
3. 414 views
1. Two numbers differ by 8. If one-half the larger is added to one-fourth the smaller, the resulting sum is 22.Find the numbers.
1. 1 answer
2. asked by sylvia
3. 744 views
how many milliliters of concentrated H2SO4 of density 1.84 containing 95.6% by weight of the acid is required to prepare 5litres
1. 0 answers
2. asked by Evarestus
3. 970 views
Calculate the lengths of the straight lines joining the following pairs of points, leaving your answers in surd form:(a)
1. 1 answer
2. asked by Steven
3. 594 views
The mid-point of the straight line joining A(4,-3), B(6,-2) is located at C.(a) Calculate the coordinates of C. (b) Verify your
1. 1 answer
2. asked by Steven
3. 620 views
The total number of people in a survey is T. The number of males in the survey is x and the number of doctors is y. The number
1. 0 answers
2. asked by Parker
3. 703 views
(a) Find the points which divide the line joining A(1,3) and B(-4,-1) internally in the ratios:(i) 1:2 (ii) 1:1 (iii) 3:1 (b) On
1. 1 answer
2. asked by Davon
3. 547 views
Consider the 4 points A(1,5), B(-4,6), C(0,0), D(-12,12). Find the gradients of the lines:(a) AB; (b) CD; (c) BD.
1. 1 answer
2. asked by Mitchel
3. 409 views
The points A(1,5) and B(9,3) are part of a triangle ΔABC. The triangle has a right angle at A and and sides satisfy AB=2AC.
1. 1 answer
2. asked by Jared
3. 516 views
A hexagon has 6 sides, find the sum of the interior angles.
1. 1 answer
2. asked by Anonymous
3. 686 views
A sprinter of mass 70.7 kg runs at a constant speed of 10.5 m/s in a straight line. Find the extra force the sprinter must exert
1. 1 answer
2. asked by Brint
3. 518 views
1. Leaves turn gold in autumn.------------------------------ Can we use 'gold' in this position? What other words can we use
1. 1 answer
2. asked by rfvv
3. 384 views
Tell a word that if we say right becomes wrong and wrong becomes right
1. 1 answer
2. asked by Harsh
3. 416 views
If a student scored 54% on a test and wants to increase her score by 20% what will the final percentage score be
1. 1 answer
2. asked by T
3. 405 views
a truck travels up a hill with a 12% incline. the truck has a constnt speed of 22m/s. what is the horizontal componet of the
1. 1 answer
2. asked by Zach
3. 648 views
The large quadriceps muscle in the upper leg terminates at its lower end in a tendon attached to the upper end of the tibia (see
1. 0 answers
2. asked by Bella
3. 943 views
1. I think it right that you are helping the poor.2. I think it right that you help the poor. 3. I think it right that you
1. 1 answer
2. asked by rfvv
3. 672 views
Why do you have to use estimation to find the number of triangles you needfor the string?
1. 4 answers
2. asked by laila
3. 2,044 views
1. I find it difficult to master French.2. I find it difficult mastering French. 3. The heavy snow made it difficult to walk on
1. 1 answer
2. asked by rfvv
3. 589 views
Thank you for your help. One more similar patterns goes.1. The heavy rain made it difficult for me to open my eyes. 2. The loud
1. 2 answers
2. asked by rfvv
3. 619 views
if sec theta - tan theta ÷sec theta +tan theta = 1÷4 ,find sin theta
1. 2 answers
2. asked by aara
3. 3,874 views
Calculate the lengths of the straight lines joining the following pairs of points, leaving your answers in surd form:(a)
1. 1 answer
2. asked by Jared
3. 514 views
The mid-point of the straight line joining A(4,-3), B(6,-2) is located at C.(a) Calculate the coordinates of C. (b) Verify your
1. 1 answer
2. asked by Jared
3. 480 views
(a) Find the points which divide the line joining A(1,3) and B(-4,-1) internally in the ratios:(i) 1:2 (ii) 1:1 (iii) 3:1 (b) On
1. 1 answer
2. asked by steven
3. 479 views
Consider the 4 points A(1,5), B(-4,6), C(0,0), D(-12,12). Find the gradients of the lines:(a) AB; (b) CD; (c) BD.
1. 1 answer
2. asked by Lauren
3. 423 views
The points A(1,5) and B(9,3) are part of a triangle ΔABC. The triangle has a right angle at A and and sides satisfy AB=2AC.
1. 2 answers
2. asked by Lauren
3. 506 views
You approach a slight bump in the road on the highway in a car. The bump carries you into a circular (convex) vertical arc of
1. 1 answer
2. asked by Matt
3. 489 views
A domesticated pig places a 100g rubber puck on a turntable. The turntable is set at a rate of 78rpm,and the pig knows the
1. 0 answers
2. asked by Matt
3. 516 views
Has anyone done the character analysis portfolio? I have Jim as my character...but I cannot find any media, can someone find
1. 1 answer
2. asked by Lexy
3. 456 views
Suppose you deposit $600 in a savings account. The interest rate is 4% per year. Find the principal balance in the account after
1. 1 answer
2. asked by Anonymous
3. 512 views
Suppose you deposit $600 in a savings account. The interest rate is 4% per year. Find the principal balance in the account after
1. 1 answer
2. asked by isaiah
3. 882 views
If the gravitational force F is given by F=GM1M2Ãƒ·rÃƒâ€”r.derive the dimensions of the universal constant of the
1. 1 answer
2. asked by fcvmlt
3. 486 views
For the reaction HCl + NaOH → NaCl + H2O, how many moles of hydrochloric acid are required to produce 281.0 g of water?
1. 1 answer
2. asked by Andrew
3. 760 views
plz help me differentiatearccosh(x/√3) i no that from inverse heyperbolic function cosh=(x±√(x²-1) but i still dont know
1. 2 answers
2. asked by just need help
3. 457 views
Calcium oxide, or lime, is produced by the thermal decomposition of limestone in the reaction CaCO3(s) arrow CaO(s) + CO2(g).
1. 0 answers
2. asked by Andrew
3. 1,061 views
What conditions existed that would allow for slaves to be property owners
1. 1 answer
2. asked by susieg
3. 544 views
pedro and juan can do a piece of work in 3 3/7 days. if pedro works in 3 days and juan in 4 days, they will finish the work.
1. 1 answer
2. asked by Park
3. 472 views
how did slaves become owners of their properties....(what did they have to do to become property owners of their property in the
1. 0 answers
2. asked by susieg
3. 401 views
How do party whips influence legislation??Please help!!
1. 2 answers
2. asked by Dani
3. 1,220 views
Using the notation Ta,b(x,y)=(x+a, y+b) write a translation function
1. 0 answers
2. asked by Donna
3. 527 views
A person sits on a frictionless stool that is free to rotate but is initally at rest. The person holding a bicycle wheel (I = 3
1. 2 answers
2. asked by LESTER
3. 950 views
Complex numbers can be graphed on the xy coordinate plane. TRUE OR FALSEMy answer is yes
1. 2 answers
2. asked by Steve
3. 1,375 views
a spring hanging from the ceiling. The spring constant present is 200N/m. If a mass of 50 kg is attached, how far does the
1. 1 answer
2. asked by
3. 951 views
Jun Wei has 12 more 10 cent coins than 20 cent coins. The total value of all his coins is $5.40. Find the total number of coins
1. 1 answer
2. asked by Jason
3. 635 views
Reuben deposited $2000 into an account with a 3.8% annual interest rate, compounded semiannually. Assuming that no withdrawals
1. 1 answer
2. asked by .
3. 816 views
A spring is attached to the top of a table. The spring has a spring constant of 500.0 N/m. The spring is initially compressed by
1. 1 answer
2. asked by
3. 496 views
What is the vertex form of the equation? Show stepsy=-x^2+12x-4
1. 3 answers
2. asked by Steve
3. 4,807 views
Jun Wei has 12 more 10 cent coins than 20 cent coins. The total value of all his coins is $5.40. Find the total number of coins
1. 5 answers
2. asked by Jason Dhaki
3. 5,414 views
1. Most likely, ____ were formed when lava from the moon's interior flooded bowllike regionson the moon's
1. 0 answers
2. asked by help
3. 710 views
We are given the problem of communicating a series of symbols, each of which can take on one of 512 values at a rate of f_s
1. 0 answers
2. asked by James
3. 530 views
Ten analog measurements whose bandwidth is 4 kHz are to be transmitted simultaneously through a cable by time division
1. 0 answers
2. asked by James
3. 483 views
how does the exterior angle theorem makes sense based on the triangle angle-sum theorem?i know what both of the theorems are i
1. 0 answers
2. asked by camryn
3. 488 views
Find The 6th And 5th Terms Of An A.P Whose First Term Is 6 And The Common Difference Is 7.Solution:n=6th,n=5th,(Tn=a+(n-1)d
1. 0 answers
2. asked by value
3. 689 views
What is the main idea?:The Persian Gulf War, or Operation Desert Storm, was waged in early 1991 between Iraq and a coalition of
1. 1 answer
2. asked by Caitlyn
3. 538 views
Saha spend 55% of her savings on a game. She has $135 remaining. how much was her savings before buying the game
1. 3 answers
2. asked by joshua
3. 862 views
What is the main reason some people believe there should not be any limits on presidential terms?A. There should be a monarch
1. 4 answers
2. asked by Sami
3. 875 views
A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other.
1. 1 answer
2. asked by Steve
3. 2,226 views

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