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Questions Asked on June 14, 2017

Can Cu2+ oxidize1) SO2 2) C2O4(2-) Does this happens also when the solution is basic? Cu2+ + H2S ---> CuS + H2
1. 7 answers
2. asked by Shenaya
3. 4,687 views
A sine function has the following key features:Frequency = 14π Amplitude = 2 Midline: y = 2 y-intercept: (0, 2) how would i
1. 3 answers
2. asked by sammiexo
3. 4,384 views
The image of trapezoid PQRS after a reflection across is trapezoid P'Q'R'S'
1. 3 answers
2. asked by Madhellyn
3. 3,900 views
Use the heat of fusion of water, 79.7 cal/g. to answer the following question. How much energy in calories is released when
1. 1 answer
2. asked by k. corbett
3. 3,074 views
A load of mass 80kg is placed in a lift. Calculate the reaction between the floor of the lift and the load when the lift moves
1. 4 answers
2. asked by Moks Amechi
3. 2,806 views
A rectangular track is 40m long 30m broad.A man starts walking from one corner to another . Find the distance travelled and
1. 2 answers
2. asked by Salem
3. 2,456 views
What number is 1 ten thousand greater than 70,000?
1. 8 answers
2. asked by Izza
3. 2,336 views
Find the unit vector parallel to the vector : C=12i+24j-8k.A.9/7i+5/7j+1/7k B.3/7i+6/7j-2/7k. I think B is correct. Please tell
1. 2 answers
2. asked by ABC
3. 2,236 views
Choose and best oxidizing agent and the best reducing agent: Ni2+, Al, H+, and I- ???I'm so confused, please help! I know the
1. 1 answer
2. asked by Jason
3. 2,159 views
The 8th term of an ap is 5times the 3rd while the 7th term is 9 greater than the 4th term.write the first 5 terms.
1. 3 answers
2. asked by agm
3. 2,063 views
The third term of a geometric progression of positive terms is 18 and the fifth term is 162Find the common ration and the first
1. 1 answer
2. asked by Emma
3. 1,806 views
A person standing on a vertical cliff a height h above the lake wants to jump into the lake but notices a rock just at the
1. 1 answer
2. asked by jenna
3. 1,795 views
Find the ratio of rate diffusion of SO2,O2, CH4?
1. 3 answers
2. asked by ABC
3. 1,647 views
The graph of f(x)=cos(x) is transformed to a new function, g(x) , by stretching it horizontally by a factor of 4 and shifting it
1. 1 answer
2. asked by sammiexo
3. 1,556 views
massimo has $90 in the bank. Every time he rides the buss he spends $2.50. write and solve an equation that massimo can use to
1. 2 answers
2. asked by nathan
3. 1,549 views
Three cities X,Y, and Z are connected by straight highways. City X is 6 km from city Y, city Y is 4 km from city Z, and city X
1. 2 answers
2. asked by Gigz
3. 1,464 views
A hockey team is lining up in a row for a group photo there team has one goalie four defence and seven forwards the photographer
1. 2 answers
2. asked by Bailey
3. 1,406 views
A rectangular lawn is 50 m long and 30 m wide it has roads 2 m wide joining the mid points of opposite sides and also a path of
1. 1 answer
2. asked by Shivangi
3. 1,361 views
A person standing on a vertical cliff a height h above the lake wants to jump into the lake but notices a rock just at the
1. 2 answers
2. asked by Anonymous
3. 1,337 views
The boy scouts brought 12 meters of rope.theycut one half into pieces of two third in each..how many pieces did they make
1. 2 answers
2. asked by Fiona bianca
3. 1,211 views
examples of relevant economic events
1. 1 answer
2. asked by len
3. 1,176 views
Find dy/dx by implicit differentiation and simplify the result1. x=sec(1/y) 2. 4xy+ln(x^2y)=7 Hello I sort of know how to do
1. 3 answers
2. asked by Dora
3. 1,014 views
CALCULATE A PERIMETER OF A SECTOR OF A CIRCLE OF RADIUS 7CM WHICH SUBTENDS ANGLE 6ODEGREE AT A CENTRE.
1. 3 answers
2. asked by AKWACHA SIMON
3. 973 views
(need help with checking answers)The height , h, in feet, of a bottle rocket is modeled by: h = -16t^2 + 60t where t is the time
1. 1 answer
2. asked by Anonymous
3. 918 views
During a hurricane evacuation from the east coast of Georgia, a family traveled 450 miles west. For the first part of the trip,
1. 2 answers
2. asked by sarah
3. 905 views
The reaction of hydrochloric acid and sodium hydroxide is exothermicHCl +NaOH --> NaCl + H2O In one experiment, a student placed
1. 1 answer
2. asked by james
3. 846 views
Which of the following is true regarding late startersA. Deviant behavior is never due to inadequate parental monitoring? B. As
1. 2 answers
2. asked by Dalia
3. 846 views
The President can choose to get rid of democracy.A) True B) False (the correct answer?)
1. 3 answers
2. asked by Jake
3. 845 views
The reaction of hydrochloric acid and sodium hydroxide is exothermicHCl +NaOH --> NaCl + H2O In one experiment, a student placed
1. 1 answer
2. asked by james
3. 839 views
A 128-lb person burns 320 calories per hour riding an exercise bicycle at a rate of 10 mi/hr. a) Write a function rule to
1. 2 answers
2. asked by Valerie
3. 837 views
The diagram shows a collision between a 4.0 kg toy car and a stationary 8.0 kg toy truck. After the collision, the car bounces
1. 1 answer
2. asked by Ryan
3. 802 views
The sum of the first two terms of a gp is 28, but the sum of the 3rd and 4th terms is 252. find the 2nd term of the GP if the
1. 1 answer
2. asked by agm
3. 795 views
A 4.00 kg block is accelerated along a level surface at 3.00 m/s^2. The applied force is 20.0 N.What is the coefficient of
1. 2 answers
2. asked by Ryan
3. 780 views
need help with a questioncalculate the concentration of grams of sodium stearate per milliliter of diluted solution. To do this,
1. 1 answer
2. asked by Lacy
3. 750 views
Since the opening night, attendance at Play A hasincreased steadily, while attendance at Play B first rose and then fell.
1. 1 answer
2. asked by Ayssa
3. 749 views
In fig AB=AC NB and angle ACD= 110 find angle A
1. 1 answer
2. asked by Anonymous
3. 687 views
A spring 20 cm long, is stretched to 25 cm by a load of 50N.What will be it's length when stretched by 100N assuming that the
1. 2 answers
2. asked by De-bright
3. 684 views
Explain how to write a function rule from the table below. Then write a function rule.X -2, -1, 0, 1, 2, Y 2.8, 3.4, 4, 4.6, 5.2
1. 1 answer
2. asked by Valerie
3. 668 views
A wire of 10 ohm resistance is stretched to transform its original length what will be its new Resistivity and new resistance
1. 1 answer
2. asked by Anjuman ara
3. 665 views
The game is euchre which uses a 24 card deck (Ace through 9). The dealer picks up the King of diamonds, names diamonds trump,
1. 0 answers
2. asked by Eric
3. 662 views
a wire whose length is at most 114cm,is bent to form a rectangle.If the length of the rectangle is 5cm longer than the width,
1. 1 answer
2. asked by jen
3. 658 views
When using the big hose and the small hose, Sam can fill her pool in 15 minutes. The small hose when used alone takes 60 minutes
1. 1 answer
2. asked by Noah
3. 638 views
"Two blocks lie on a triangle as shown in the figure. Block m has a mass of 8 kg and block P has a mass of 21 kg. Assume the
1. 1 answer
2. asked by Courtney
3. 633 views
A 86.3mL sample of water is initially at 17.4 degC. How many kilojoules (kJ) of heat must be added to raise the temperature of
1. 1 answer
2. asked by Matthew
3. 630 views
Hello, I'm not sure how to do this question.Question A wheel with radius 5 cm is being pushed up a ramp at a rate of 4 cm per
1. 1 answer
2. asked by Felix
3. 626 views
An interplanetary probe speeding in deep space suddenly needs to make a left turn.It is presently traveling at v=20000 m/s , and
1. 3 answers
2. asked by unowen
3. 612 views
Please help me to get the answers for these questions in order to help my niece for their assignment answers correctly. thanksAn
1. 2 answers
2. asked by jessie
3. 607 views
What is the determinant of a square matrix whose entry or element is digit or number.For example (100). Please tell me method of
1. 1 answer
2. asked by ABC
3. 598 views
1. I would not do so, it I were you.2. I would not do so if I were you. (Are both okay? Do we have to delete the 'comma' in #1?
1. 1 answer
2. asked by rfvv
3. 588 views
A 15 kg block is sitting on a level surface. The coefficient of friction between the block and the surface is 0.32. A horizontal
1. 0 answers
2. asked by Ryan
3. 570 views
1. Anybody can make mistakes.2. We can go to the concert. 3. We could go to the concert. ------------------------------ In a
1. 1 answer
2. asked by rfvv
3. 569 views
A bank offers a 7.75% annual interest rate compounded daily. The periodic interest rate is
1. 0 answers
2. asked by qq
3. 558 views
allison bought some shirts for her clothing store for $15 each. she recived $50 off her entire purchase and spent a total of 400
1. 2 answers
2. asked by nathan
3. 556 views
FInd the derivative of each of the following function.f(x)=xcosx+x^4e^2x All I know is the rule with the e^u equation where you
1. 2 answers
2. asked by Sandy
3. 543 views
What is the distinct letter in the word algebra?
1. 1 answer
2. asked by John alvin aranzado
3. 540 views
1. He may have stolen the money.2. He might have stolen the money. 3. He can have stolen the money. 4. He could have stolen the
1. 1 answer
2. asked by rfvv
3. 526 views
the largest among three positive consecutive odd numbers is greater than the sum of -4 and the product of 3 and the smallest
1. 1 answer
2. asked by jen
3. 525 views
write the equation of the hyperbola in graphing form from the given information:Vertices at (2,0) and (-2,0); foci at (3,0) and
1. 1 answer
2. asked by Anonymous
3. 523 views
Regarding my question ondisplay.cgi?id=1496901710(I can't post URLs) Can we apply the formula PM=dRT seperately to the systems
1. 8 answers
2. asked by Shenaya
3. 522 views
Arthur and Tariq are planning to build a kit car. They are also having a new garage built for the car. They have a scale drawing
1. 1 answer
2. asked by Hannah
3. 512 views
In a particular tour group, 30% of the tourists are men, and there are 20 more women than men. How many tourists altogether are
1. 0 answers
2. asked by lola
3. 506 views
find the equation of the tangent to the curve 3xy^2 -4+2y=29 at the point (1,3)using implicit differentiation.
1. 1 answer
2. asked by maria
3. 492 views
when 1.00kg of copper reacts, 3.12kg of silver is recovered. what is the percentage yield?
1. 1 answer
2. asked by janessa
3. 472 views
If the vectors A and B are such that |A+B|=|A-B, then find the angle between vectors A and B?
1. 1 answer
2. asked by ABC
3. 470 views
Kevin brought 2 pens and 2 erasers for $1.50. Lynn brought 1 pen and 1 notebook for $1.50. Maria brought 2 notebooks for $2.20.
1. 1 answer
2. asked by Alexis
3. 469 views
To letter write news editor such children sad plight and up lift
1. 2 answers
2. asked by Akhilesh MV
3. 467 views
A concrete wall is 36' long 9' high and 1 1/2' thick the number of cubic yards of concrete that were needed to make this wall is
1. 1 answer
2. asked by Rose ann
3. 466 views
I am a 2-digit multiple of 50.What number am I?
1. 1 answer
2. asked by Anjali
3. 463 views
I have to show that the relative error of the product of two positive numbers is aproximately to the sum of the relative errors
1. 1 answer
2. asked by Jane
3. 461 views
How will I get 100 fruits in Rs5001watermelon= Rs50 1 apple= 10Rs 1 banana= 1Rs
1. 1 answer
2. asked by Uttam
3. 459 views
Discuss the peculiarities that inform differential pattern of educational advancement in pre and post colonial Nigeria
1. 1 answer
2. asked by hamza ozigi
3. 457 views
I am an even number less than 100.One of my factors is 13.I am made from two consecutive digits.What number am I?
1. 1 answer
2. asked by Anjali
3. 454 views
There are some red and blue marbles in a box. There are 3/5 as many red marbles as blue marbles. Find the ratio of the number of
1. 1 answer
2. asked by Real
3. 440 views
What does the child think about his drawing in the poem
1. 1 answer
2. asked by Anonymous
3. 439 views
1. He cannot have told a lie.2. It is impossible that he told a lie. (#1 mean #2. Right?) 3. He could not have told a lie. (What
1. 1 answer
2. asked by rfvv
3. 438 views
What is mole?
1. 1 answer
2. asked by Amritpal
3. 432 views
An equilateral triangle, ABC, has two of its vertices, A and B, below the x-axis; has the third vertex C above the x-axis, and
1. 2 answers
2. asked by unowen
3. 429 views
Split 27 in two parts such that one part is double of another. Find the parts.
1. 1 answer
2. asked by hello
3. 426 views
A 15 kg block i
1. 0 answers
2. asked by Ryan
3. 418 views
Find the ratio of rate dffusion of So2 ,O2,CH4?
1. 1 answer
2. asked by ABC
3. 413 views
one number multiplied by three less than itself equals 18. If that number is positive, what is it? Please show working.
1. 1 answer
2. asked by tom
3. 398 views
present age of a boy is one less than one-third the age of his mother .
1. 1 answer
2. asked by kaynat
3. 384 views
You Add a g to My word and I disappear so what word AM I?
1. 3 answers
2. asked by Anonymous
3. 350 views
What are imaginary numbers
1. 1 answer
2. asked by Shyam
3. 334 views
-10 is greater than -7
1. 1 answer
2. asked by Anonymous
3. 293 views
T=6.28√1.63F
1. 0 answers
2. asked by hjxoh
3. 257 views

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