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2014
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Questions Asked on July 4, 2014

How is the atomic structure of a Copper differ from Germanium, Silicon and Gallium Arsenide ?Tnx :))
1. 2 answers
2. asked by Anne
3. 5,734 views
Evan washes two types of vehicles. It takes him 30 minutes to wash a car and 40 minutes to wash a truck. He charges $12 to wash
1. 2 answers
2. asked by alex
3. 3,753 views
A sample of peanut oil weighing 2g is added to 25ml of 0.4M koh. After saponification is complete, 8.5ml of 0.28M hes04 is
1. 2 answers
2. asked by ken
3. 3,249 views
The constraints of a problem are listed below. What are the vertices of the feasible region?x+y <= 7 x-2y <=-2 x >=0 y >=0
1. 2 answers
2. asked by Jesus
3. 3,229 views
what volume of hcl solution of density 1.2g/cm3 and containing 36.5% by weight hcl, must be allowed to react with zinc in order
1. 2 answers
2. asked by ken
3. 3,133 views
A political scientist has received a grant to fund a research project involving voting trends.The budget of the grant includes
1. 2 answers
2. asked by Sarah
3. 2,845 views
The magnitude of two vectors p and q differ by 1. The magnitude of their resultant makes an angle of tan inverse ( 3 / 4 ) with
1. 1 answer
2. asked by raghavendra
3. 2,737 views
The perimeter of a rectangular painting is 354 centimeters. If the width of the painting is 79 centimeters, what is its length?
1. 1 answer
2. asked by Libby
3. 2,732 views
Two electrons are placed; one at north pole and other at south pole of earth. Find the force between them. Given diameter of
1. 2 answers
2. asked by srabani mishra
3. 2,242 views
A sports memorabilia store makes $6 profit on each football it sells and $5.50 profit on each baseball it sells. In a typical
1. 2 answers
2. asked by alex
3. 2,235 views
The solubility of a substance is 12 g per 100 g water at 20 degree , and is 18 g per 100 g water at 60 degree , what is the mass
1. 2 answers
2. asked by MAD
3. 2,175 views
How much quantity of sodium chloride is needed to make 30 ml of a 2% isotonic drug (sodium chloride equivalent 0.20) solution?A.
1. 3 answers
2. asked by Abhishek chouhan
3. 2,031 views
The greatest and least resultant of two forces acting at a point are 16N and 4N. If they are acting at an angle 120 degrees with
1. 4 answers
2. asked by raghavendra
3. 2,020 views
How would I answer number 3?1. A sumo wrestler originally jumps 10 cm above a trampoline but has the same total energy of a
1. 2 answers
2. asked by Liz
3. 1,891 views
{X|X E N and x greater than or equal to 4}This is a set theory problem: | = means such that is E = is a symbol used to replace
1. 1 answer
2. asked by Ashley
3. 1,769 views
All parabolas are symmetric with respect to a line called the axis of symmetry. A parabola intersects its axis of symmetry at
1. 2 answers
2. asked by Emma
3. 1,743 views
The vertex of the graph of a quadratic function is (3, 1) and the y-intercept is (0, 10). Which of the following is the equation
1. 2 answers
2. asked by Emma
3. 1,691 views
How animal cells compensate the function performed by vacuoles in plant?
1. 2 answers
2. asked by Harsh
3. 1,665 views
Beyond tone a poet's attitude toward his or her subject reveals to us a poem's?A. theme B. subject C. diction D. structure I
1. 4 answers
2. asked by Unmei
3. 1,635 views
Do houseplants affect the quality of air in a house? Describe an experiment that would answer this question. What gases do you
1. 6 answers
2. asked by Jordan
3. 1,632 views
What volume of hcl solution of density 1.2g/cm3 and containing 36.5% by weight hcl, must be allowed to react with zinc in order
1. 1 answer
2. asked by ken
3. 1,586 views
Two cars are approaching a perpendicular intersection without a stop sign. Car 1 has a mass 900 kg and is heading north and car
1. 3 answers
2. asked by Anonymous
3. 1,569 views
4/3 of a number is 22 what is 8/3 of that numberthe book ans is 11/9 but i get 44 :S plz explain ty
1. 1 answer
2. asked by Imran Qureshi
3. 1,559 views
A chicken farm orders bags of feed from two farmers. Store X charges $20 per bag, and store Y charges $15 per bag. The farm must
1. 3 answers
2. asked by alex
3. 1,452 views
Which of the following sets of forces acting simultaneously on a particle keep it in equilibrium?
1. 1 answer
2. asked by raghavendra
3. 1,434 views
Using standard enthalpies information, calculate the standard enthalpy change for this reaction.a)(thermite reaction) 2Al(s) +
1. 1 answer
2. asked by Dan
3. 1,353 views
What is the measure in degrees of each interior angle in a regular 10 sided polygon?
1. 1 answer
2. asked by Kelli
3. 1,310 views
Given the Data:N2(g) + O2g) = 2NO(g) delta H = 180.7kj, 2NO(g) + O2(g) = 2NO2(g) delta H = 0113.1kj, 2N2O(g) = 1N2(g) + O2(g)
1. 1 answer
2. asked by Dan
3. 1,213 views
A vessel is in the shape of an inverted cone. The radius of the top is 5cm and the height is 8cm. Water is poured into a height
1. 1 answer
2. asked by Lian
3. 1,176 views
Mr. X drops A ball from a height of 1 metre above the ground. Mr. Y starts a camera which takes picture of the ball every 250
1. 0 answers
2. asked by Ahsanur
3. 1,095 views
A) We have an experiment , using the solution of KNO3 , measured freezing point of solution is -1.15 degree , and using a sample
1. 1 answer
2. asked by MAD
3. 1,053 views
1. When does the Narrative of Sojourner Truth take place?A. right after the Emancipation Proclamation. <B>. Before the Civil
1. 6 answers
2. asked by Unmei
3. 1,052 views
A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation:
1. 2 answers
2. asked by Dan
3. 1,051 views
Two charged spheres are kept at a great distance from each other. Sphere A has charge +20q and sphere B has charge -14q. A
1. 0 answers
2. asked by Ahsanur
3. 1,009 views
A dog sits on the left end of a boat of length L that is initially adjacent to a dock to its right. The dog then runs toward the
1. 1 answer
2. asked by Anonymous
3. 992 views
Find the discount (ordinary interest) and proceeds on a promissory note for $2,000 made by Barbara Jones on February 10, 2007,
1. 1 answer
2. asked by Peter
3. 952 views
The vertex of a parabola is at (-2,4), and the x-intercepts are at -6 and 2. Determine the domain and range of the function.a.
1. 1 answer
2. asked by Emma
3. 935 views
A firecracker explodes, sending pieces of equal mass in three directions as shown in the diagram. Angle θ is 14 degrees, and
1. 1 answer
2. asked by Anonymous
3. 931 views
Which of the following is not a step in graphing a quadratic function?A. Find the equation for the axis of symmetry. B. Find the
1. 1 answer
2. asked by Emma
3. 858 views
A ship is moving West at a velocity of 30 mph and a person is on deck walking EAST at a velocity of 5 mph. To the observer on
1. 1 answer
2. asked by Austen
3. 853 views
A 60.0 kg girl stands up on a stationary floating raft and decides to go into shore. She dives off the 180 kg floating raft with
1. 1 answer
2. asked by Liz
3. 758 views
In how many different ways can five students be seated in three chairs?5 x 4 x 3 =60 am I right?
1. 2 answers
2. asked by peter
3. 750 views
If you purchase a fishing boat for 18 monthly payments of $106 and an interest charge of $238, how much is the refund after 10
1. 0 answers
2. asked by Kgk
3. 718 views
Two NBA players are revered for their ability to dunk a basketball, i.e., both players can jump very high. The first player is a
1. 0 answers
2. asked by Anonymous
3. 709 views
A bus tour company charges a flat fee for renting out the bus, and an additional amount for each person. If the price is quoted
1. 1 answer
2. asked by Jason
3. 662 views
Mention the role of DNA and RNA in living organisms?
1. 1 answer
2. asked by Harsh
3. 642 views
The finance charge on a copier was $1,778. The loan for copier was to be paid in 18 monthly payments. Find the finance charge
1. 2 answers
2. asked by Kgk
3. 627 views
Two skaters, Alan and Betsy, move toward each other on a very smooth skating rink. Their masses and speeds are respectively: 60
1. 0 answers
2. asked by Anonymous
3. 621 views
Saud bought a bottle of juice containing 625 ml juice. He filled 30 ml into a glass. But spilled 23.5 ml. How much juice is
1. 5 answers
2. asked by Hoor
3. 603 views
Calculate the value of the standard enthalpy change for each of the following reactions (standard enthalpy for Na2SO4(s) is
1. 1 answer
2. asked by Dan
3. 593 views
If you purchase a fishing boat for 18 monthly payments of $106 and an interest charge of $238, how much is the refund after 10
1. 0 answers
2. asked by Kgk
3. 566 views
$500 in 15 years at 8% annual interest compounded semiannually.
1. 1 answer
2. asked by Kgk
3. 543 views
what is the difference of complementary and supplementary angles if an acute angle measures 2a+3b
1. 1 answer
2. asked by marie
3. 543 views
Malinda Levi borrows 90 day note. On the 30th day, Malinda pays on the note. If ordinary interest is applied, what is
1. 0 answers
2. asked by Peter
3. 534 views
What are the two ways in which the physical states of matter can be changed?
1. 3 answers
2. asked by Harsh
3. 534 views
10L of hard water required 5.6g of lime for removing hardness. Hence temporary hardness in ppm of cac03The answer 1000 I do not
1. 1 answer
2. asked by ken
3. 533 views
A sample of peanut oil weighing 2g is added to 25ml of 0.4M koh. After saponification is complete, 8.5ml of 0.28M hes04 is
1. 1 answer
2. asked by ken
3. 528 views
The perimeter of a rectangular painting is 354 centimeters. If the width of the painting is centimeters, what is its length?
1. 1 answer
2. asked by Libby
3. 516 views
Which of the following is the conjugate acid to a base in these options :1) PO4^-3 2) H2O 3) H3PO4 4) H2PO4^-
1. 1 answer
2. asked by MAD
3. 515 views
A sample of peanut oil weighing 2g is added to 25ml of 0.4M koh. After saponification is complete, 8.5ml of 0.28M hes04 is
1. 1 answer
2. asked by ken
3. 509 views
find the zeros and multiplicity of the equation, Range and interval q is positive.q(x)=-x^2(x+1)^2(x-2)
1. 2 answers
2. asked by solomon
3. 498 views
The vectors sum of two vectors of magnitude 10units and 15units can never be
1. 1 answer
2. asked by raghavendra
3. 491 views
a child throws a ball in a net where it gets stuck. Does the motion of this ball defy the law of conservation of momentum?
1. 0 answers
2. asked by Liz
3. 477 views
The mean score on the first calculus exam was 55%. The standard deviation was 7%. Find the smallest interval about the mean that
1. 2 answers
2. asked by jack higgins
3. 471 views
Which of the following is the conjugate acid to a base in these options :1) PO4^-3 2) H2O 3) H3PO4 4) H2PO4^-
1. 1 answer
2. asked by MAD
3. 469 views
Statistics show that the sales force of a certain company successfully closed 296 sales out of 800 sales calls. What was their
1. 1 answer
2. asked by Diana
3. 468 views
If a couple has 4 children and none are from multiple births or twins. With the probability of sons being 50% how many sons
1. 0 answers
2. asked by Denise
3. 465 views
jake has 12 candles 5 are blue, 4 are red, and 3 are orange. what fraction of the candles is blue?
1. 1 answer
2. asked by kamya
3. 463 views
Myrna Lewis wishes to have $4,000 in four years to tour Europe. How much must she invest today at 8% interest compounded
1. 1 answer
2. asked by Peter
3. 461 views
Which of the following pairs are conjugate pairs ?1) H+ and OH- 2) HCl and Cl- 3) NH2- and NH4+ 4) H2SO4 and SO4^-2 thanks a lot
1. 0 answers
2. asked by MAD
3. 447 views
convert y=2x^2+5x-5 into vertex form
1. 1 answer
2. asked by bob
3. 432 views
A over 6 - 11=25 what's my answer
1. 1 answer
2. asked by nate
3. 430 views
how many positive intergres less than 20 are equal to the sum of two different prime number?
1. 2 answers
2. asked by peter
3. 424 views
Why do the primitive organisms have lesser number of cells as compared to more advanced forms?
1. 0 answers
2. asked by Harsh
3. 423 views
Give an account of different components of nucleus and also mention their function?
1. 1 answer
2. asked by Harsh
3. 421 views
Water boils at a higher temperture than a non-polar solvent like either because?
1. 0 answers
2. asked by la G
3. 374 views
do yov think there are certain othe7r aspects otheqr than those dpi
1. 1 answer
2. asked by naveen
3. 302 views

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