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Questions Asked on November 24, 2012

One side of a rectangle is longer than the other side by 1cm. If the area is 30cm, find its perimeter.
1. 2 answers
2. asked by Vanessa
3. 520 views
what is the percent by mass of carbon in c3h8?A. 18.20% B. 20.0% C. 81.8% D. 85.0% I say A
1. 4 answers
2. asked by drew
3. 2,122 views
Predict how changes effects equilibrium for N2(g) + 3H2(g) -----> 2NH3(g) + heata. add heat b. remove heat c. add NH3(g) d.
1. 4 answers
2. asked by Boo Boo
3. 1,296 views
A ruler should lead by_____? 8 letter word
1. 1 answer
2. asked by Tammy
3. 321 views
what is the difference btwn 5^3 and (5)^3?When ever they have a question in which they have a a number squared and then they
1. 3 answers
2. asked by Samantha
3. 459 views
Consider a cube of an unknown material. When heated by 10 K, each side expands by 1%. Using *only this information*, what is the
1. 2 answers
2. asked by StressedStudent
3. 1,019 views
A sealed can is filled completely with methyl alcohol. Which of these materials could the can be made of so that it would not
1. 1 answer
2. asked by StressedStudent
3. 907 views
What are some examples of a situation that the strateigies used in "The Art of The War by Sun Tzu be applied to?
1. 1 answer
2. asked by kelly
3. 345 views
amphetamine (c9h13n) is a powerful stimulant. what is the percent composition of all of the elements in this compound?A.
1. 3 answers
2. asked by drew
3. 659 views
Factorise X^2 - y^2 - 2x + 2y
1. 1 answer
2. asked by Kuo
3. 409 views
A 0.02882 g sample of gas occupies 10.0-mL at 288.5 K and 1.10 atm. Upon further analysis, the compound is found to be 38.734% C
1. 7 answers
2. asked by Anon
3. 4,779 views
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.y = –1/4x + 10 –2x + 8y = 6
1. 1 answer
2. asked by Deborah
3. 489 views
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.y = –1/4x + 10 –2x + 8y = 6
1. 10 answers
2. asked by Deborah
3. 3,872 views
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.x + 5y = –20 y = –7/8x – 1 32x
1. 3 answers
2. asked by Deborah
3. 744 views
Random samples of size n are selected from a normal population whose standard deviation is know to be 2. Suppose you want 90% of
1. 1 answer
2. asked by joe
3. 790 views
Random samples of size n=10 are taken from a normal population whose statndard deviation is known to be 5. Calculate the area
1. 1 answer
2. asked by joe
3. 456 views
A circular coil (980 turns, radius = 0.078 m) is rotating in a uniform magnetic field. At t = 0 s, the normal to the coil is
1. 2 answers
2. asked by johnathan
3. 633 views
An object is located 16.8 cm in front of a convex mirror, the image being 11.5 cm behind the mirror. A second object, twice as
1. 2 answers
2. asked by Alex
3. 579 views
Linearly polarized light is incident on a piece of polarizing material. What is the ratio of the transmitted light intensity to
1. 3 answers
2. asked by Alex
3. 1,526 views
Electromagnetic waves can form standing waves. In a standing wave pattern formed from microwaves, the distance between a node
1. 3 answers
2. asked by Alex
3. 893 views
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might
1. 4 answers
2. asked by StressedStudent
3. 1,410 views
A solution of silver nitrate is mixed with a solution of potassium sulphide.Write the molecular,total ionic,and net ionic
1. 1 answer
2. asked by Shane
3. 932 views
Why is it importasnt for a university to maintan hgh standards when it comes to academic integrity.
1. 1 answer
2. asked by Regina
3. 390 views
A block with mass m = 2.00 kg is placed against a spring on a frictionless incline with angle θ=30.0° (see figure). The block
1. 1 answer
2. asked by Andreea
3. 1,094 views
a) 3(x+1)+x+2=2(2x+1)+3I distributed the equation and got 5=5 as my final answer. b) DON'T UNDERSTAND is the resulting equation
1. 3 answers
2. asked by math help
3. 454 views
Represent this reaction with balanced chemical equation. Disilane gas (Si2H6) undergoes combustion to form solid silicon dioxide
1. 7 answers
2. asked by Shane
3. 2,986 views
Why is there difference in the quality of the poultry products?
1. 1 answer
2. asked by Shane
3. 332 views
Which cannot describe a system of linear equations?no solution exactly two solutions infinite solutions exactly one solution I
1. 7 answers
2. asked by Deborah
3. 5,242 views
what is the name of the ions that are formed when the following compounds dissolve in water. (a) BaBr2 (b) (NH4)2CrO4 (c)HBr
1. 1 answer
2. asked by Shane
3. 472 views
a stock solution of perchloric acid is 75.5% perchloric acid and has a density of 1.67g/ml. What is the molarity of the
1. 2 answers
2. asked by Michelle
3. 619 views
For the lewis structure of BCl3, does it have a total of 24 valence electrons? Also does it have a total of 4 bonds? If possible
1. 10 answers
2. asked by Anonymous
3. 1,895 views
a 10 kg weight is on an inclined plane. 10 ft long and 6 ft high. if there is no friction, what force parallel to the plane will
1. 2 answers
2. asked by hurd
3. 518 views
3C3H8 + 20H2CrO4-->9CO2 + 10 Cr2O3 + 32H2OWhat mass of chromium (III) oxide will be formed by complete reaction of 1.50g of
1. 3 answers
2. asked by Michelle
3. 468 views
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis
1. 1 answer
2. asked by joe
3. 693 views
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis
1. 2 answers
2. asked by joe
3. 656 views
Find the present value of $31,000 due in 4 yr at the given rate of interest.(a) 6%/year, compounded quarterly $ ? (b) 3%/year,
1. 1 answer
2. asked by Amanda
3. 485 views
what is the heat capacity of iron when a 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and it's temperature
1. 3 answers
2. asked by ryan
3. 1,227 views
Which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7?
1. 3 answers
2. asked by Kristine
3. 364 views
The mapping is f:N →N, given by F(n)= 2n^3=1,n belongs to N.A. one-one and onto B. onto not one-one C. one-one not onto D.
1. 1 answer
2. asked by sharan
3. 467 views
A water trough is 6 m long, and its cross-section has the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 50
1. 3 answers
2. asked by Abrich
3. 1,479 views
The mapping is f:N →N, given by F(n)= 2n^3=1,n belongs to N.A. one-one and onto B. onto not one-one C. one-one not onto D.
1. 1 answer
2. asked by sharan
3. 291 views
must have a table with at least 5 values, a graph, a verbal description including whether it is increasing or decreasing as it
1. 1 answer
2. asked by Dawn Wool
3. 380 views
The small mass m sliding without friction along a looped track is to remain on the track at all times, even at the very top of
1. 1 answer
2. asked by Emma
3. 663 views
Determine the comparable interest rate for a $50,000 loan when the quoted information is 11.4% + 0.5 pt + $300.
1. 1 answer
2. asked by laurie
3. 381 views
The Electronic Reserve Reading for this week, “Bare Bones Guide to Good Introductions,” states that an effective
1. 1 answer
2. asked by carlos
3. 362 views
The mapping is f:N →N, given by F(n)= 2n^3+1,n belongs to N.A. one-one and onto B. onto not one-one C. one-one not onto D.
1. 1 answer
2. asked by sharan
3. 322 views
A. random sample of 50 four year olds attending daycare centers provided a yearly tuition average of 3987$ and the population
1. 2 answers
2. asked by Tessa
3. 1,085 views
The dance company has a $10 cover charge, an average of 200 people will attend. For each $0.25 increase in admission price, the
1. 2 answers
2. asked by Please help me
3. 579 views
a circular ink-blot grows at a rate of 2 sq cm per second. find the rate at which the radius is increasing after (28/11)seconds.
1. 5 answers
2. asked by edward
3. 899 views
Osvaldo Dragun in his story Historia del hombre que se convirtio un perro: what is the conflict that the protagonist feels
1. 2 answers
2. asked by Anna
3. 742 views
Name the following crystallographic features below using proper crystallographic notation.Image One [2ˉ21] [1ˉ12ˉ]
1. 7 answers
2. asked by Odesa
3. 655 views
A runner is 22 km east and 15 km south of his starting point. How far is he in a direct line from his starting point?
1. 9 answers
2. asked by Olivia
3. 539 views
as she pick up her riders a bus driver traverses four successive displacements represented by the expression (-6.30 b)i-(4.00 b
1. 6 answers
2. asked by JOAN
3. 1,019 views
A runner is 22 km east and 15 km south of his starting point, how long would it take him to return to his starting point in a
1. 3 answers
2. asked by Olivia
3. 681 views
Chances are 50-50 that a newborn baby will be a girl. For families with five children, what is the probability that all the
1. 4 answers
2. asked by joe
3. 4,524 views
In the old days, people thought that their souls left their bodies when they sneezed. They were worried that their souls might
1. 2 answers
2. asked by rfvv
3. 904 views
a projectile shot at an angle of 60 degrees above the horizontal strikes a building 80 ft away at a point 48 ft above the point
1. 4 answers
2. asked by rhea
3. 1,883 views
A box with no top is to be made by cutting a 2-inch square from each corner of a square sheet of metal. After bending up the
1. 4 answers
2. asked by tino
3. 2,789 views
1. I think the baseball club is more popular than the ping-pong club.2. I think baseball club is more popular than ping-pong
1. 1 answer
2. asked by rfvv
3. 450 views
Scores on the SAT verbal test in recent years follow approximately N(504,111) distribution. What is the proportion of students
1. 4 answers
2. asked by Rae
3. 3,297 views
The Columbus Zoo conducts a study to determine whether a household’s income can be used to predict the amount of money the
1. 2 answers
2. asked by Rae
3. 551 views
differentiate x^2ex^2 W.R TO X
1. 2 answers
2. asked by John
3. 805 views
I am pressed for time and need this assignment done by Sunday please. The language used is Java. I have attatched both
1. 2 answers
2. asked by Nyeel
3. 553 views
at rush hour,240 people pass through a turnstile at a railway station each 5 minutes.If there are 8 turnstiles, how many people
1. 3 answers
2. asked by charlie
3. 413 views
1. You should not take on the task because you have to spend a lot of time on it.2. You should not take the task because you
1. 2 answers
2. asked by rfvv
3. 493 views
the average mark of 10 tests is 76%.If the average mark of the first 7 tests was 73%,what is the average mark of the remaining 3
1. 1 answer
2. asked by charlie
3. 398 views
A=B+2C , 3B = 2C +D ,A+2B = 2D How many B = D
1. 1 answer
2. asked by wan
3. 280 views
a class consists of 24 boys and 16 girls.the average weight of the class is 41.7 kg,and the average weight of the boys is 41.1
1. 4 answers
2. asked by wan
3. 1,907 views
4C =2A + 2B , 2B = A + 3C How many C's will balance the combination of A and B
1. 3 answers
2. asked by charlie
3. 343 views
the entrance fee to the zoo is $3,and to get into the gardens is $2.A ticket to get into both is $4. One day 900 people were at
1. 1 answer
2. asked by WAN
3. 483 views
For the following system of equations, what is the x-value of the solution?–x + 2y = 6 6y = x + 18 A.-18 B.0 C.-6 D.3 I think
1. 3 answers
2. asked by Deborah
3. 488 views
Solve the following system of equations using substitution. What is the value of y?2x + 3y = 105 x + 2y = 65 A.15 B.25 C.40 D.65
1. 4 answers
2. asked by Deborah
3. 2,495 views
what is 18Ã·4 as a mixed number?
1. 3 answers
2. asked by mr. potato head âˆžÂ®â˜…â˜…Â¾
3. 352 views
How should I start of a one page written assignment on the marketing failure of a company? What should the first paragraph
1. 5 answers
2. asked by Kayla
3. 488 views
A cone has a radius of 6 inches and a height of 9 inchesa) calculate the volume of the cone. use pi. as my answer for part a i
1. 4 answers
2. asked by karen
3. 2,304 views
in the number 288, explain how the value represented by the digit in the tens place is related to the value represented by the
1. 3 answers
2. asked by heather
3. 1,034 views
What are some examples of a situation that the strateigies used in "The Art of War by Sun Tzu be applied to?
1. 1 answer
2. asked by Anonymous
3. 397 views
What were some complexities of trade in Post Classical world and how it is similar and or different to today?
1. 1 answer
2. asked by Diana
3. 362 views
An FM radio station broadcasts at 82.3MHz. Determine the period of the radio waves.I already go the answer: 1.22×10-8 s but
1. 2 answers
2. asked by rory
3. 1,118 views
The sound intensity of 1.2x10-12J/m2s is the threshold of hearing for humans. What is the amplitude of the motion of the air
1. 1 answer
2. asked by rory
3. 534 views
A microphone has an area of 3.0cm^2. It receives during a 6.00s time period a sound energy of 1.0x10-11J. What is the intensity
1. 1 answer
2. asked by sarah
3. 486 views
Te arch of the Sydeny Harbor Bridge can be modeled by y= -0.00211x^2 + 1.06x where x is the distance (in meters) from the left
1. 1 answer
2. asked by Julia
3. 667 views
please help! I can't figure out the function rule for a table that saysx=0,1,4,5 and y=9,6,-3,-6
1. 4 answers
2. asked by jor.kan
3. 360 views
How do we solve this problem?If possible change each comparison of red paint to white paint to a % comparison.If ot os not
1. 1 answer
2. asked by Savana
3. 506 views
A cylindrical water tank of diameter 1.4m and height 2.1m is being feed by a pipe of diameter 3.5cm through which water follows
1. 6 answers
2. asked by TUHITUHI
3. 2,210 views
Any advice for a book to read"" for a 13 year old? :) something interesting please
1. 1 answer
2. asked by Jessica
3. 375 views
crystal structure of cesium chloride (CsCl).1)Identify the crystal system: Cubic Tetragonal Orthorhombic Rhombohedral Hexagonal
1. 3 answers
2. asked by selly
3. 760 views
A jet airplane has an intensity of 97.7W/ m^2 when heard at a distance of 30.0m. What is the maximum sound intensity heard by a
1. 1 answer
2. asked by sarah
3. 357 views
It is the beginning of a new year and you just received the landlord’s building expense pass through reconciliation for the
1. 1 answer
2. asked by Diana
3. 382 views
final project topic: American Patriotism is Alive and Well
1. 1 answer
2. asked by Johnson
3. 319 views
a). The displacement of a wave travelling in the positive x-direction is D(x,t)=(5.94cm)sin(1.18x-132.6t), where x is in meters
1. 1 answer
2. asked by sarah
3. 425 views
A wave has angular frequency 46.2rad/s and wavelength 3.57m. What is its wave number?b).What is its wave speed?
1. 2 answers
2. asked by joane
3. 523 views
What is the difference between "Findings and Analysis"?And do I need to quote a lot in the findings section?
1. 2 answers
2. asked by Jules
3. 911 views
how is a political strategy used in sports?
1. 1 answer
2. asked by Anonymous
3. 297 views
how much would be in your savings acount in 8 years from an initial deposit of 150.00 today if the bank pays 7% 6% and (%
1. 5 answers
2. asked by dormaine
3. 291 views
whats the present value of 850.00 made in 10 years with a discount rate of 12%
1. 1 answer
2. asked by lisa
3. 292 views
The margin of error is:a. the difference between the point estimate and the true value of the population parameter b. the
1. 1 answer
2. asked by Tracy
3. 464 views
You come home after dark, and porch light is out. You cannot tell which key opens the door.. you randomly try the 5 keys on your
1. 2 answers
2. asked by Angie
3. 1,049 views
The wave is travelling to the right at 18.2m/s. What is the amplitude if the maximum displacement is 19.9cm and the total
1. 1 answer
2. asked by joane
3. 510 views
Box contains 4 white balls and 8 black balls. Pick a ball with your left hand, and don't look, pick a ball with your right hand,
1. 4 answers
2. asked by Angie
3. 423 views

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