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November 24, 2012
One side of a rectangle is longer than the other side by 1cm. If the area is 30cm, find its perimeter.
2 answers
asked by
Vanessa
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
4 answers
asked by
drew
2,122 views
Predict how changes effects equilibrium for N2(g) + 3H2(g) -----> 2NH3(g) + heat
a. add heat b. remove heat c. add NH3(g) d.
4 answers
asked by
Boo Boo
1,296 views
A ruler should lead by_____? 8 letter word
1 answer
asked by
Tammy
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
3 answers
asked by
Samantha
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
2 answers
asked by
StressedStudent
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 answer
asked by
StressedStudent
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 answer
asked by
kelly
345 views
amphetamine (c9h13n) is a powerful stimulant. what is the percent composition of all of the elements in this compound?
A.
3 answers
asked by
drew
659 views
Factorise X^2 - y^2 - 2x + 2y
1 answer
asked by
Kuo
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
7 answers
asked by
Anon
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 answer
asked by
Deborah
489 views
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
y = –1/4x + 10 –2x + 8y = 6
10 answers
asked by
Deborah
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
3 answers
asked by
Deborah
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 answer
asked by
joe
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 answer
asked by
joe
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
2 answers
asked by
johnathan
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
2 answers
asked by
Alex
579 views
Linearly polarized light is incident on a piece of polarizing material. What is the ratio of the transmitted light intensity to
3 answers
asked by
Alex
1,526 views
Electromagnetic waves can form standing waves. In a standing wave pattern formed from microwaves, the distance between a node
3 answers
asked by
Alex
893 views
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might
4 answers
asked by
StressedStudent
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 answer
asked by
Shane
932 views
Why is it importasnt for a university to maintan hgh standards when it comes to academic integrity.
1 answer
asked by
Regina
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 answer
asked by
Andreea
1,094 views
a) 3(x+1)+x+2=2(2x+1)+3
I distributed the equation and got 5=5 as my final answer. b) DON'T UNDERSTAND is the resulting equation
3 answers
asked by
math help
454 views
Represent this reaction with balanced chemical equation. Disilane gas (Si2H6) undergoes combustion to form solid silicon dioxide
7 answers
asked by
Shane
2,986 views
Why is there difference in the quality of the poultry products?
1 answer
asked by
Shane
332 views
Which cannot describe a system of linear equations?
no solution exactly two solutions infinite solutions exactly one solution I
7 answers
asked by
Deborah
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 answer
asked by
Shane
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
2 answers
asked by
Michelle
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
10 answers
asked by
Anonymous
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
2 answers
asked by
hurd
518 views
3C3H8 + 20H2CrO4-->9CO2 + 10 Cr2O3 + 32H2O
What mass of chromium (III) oxide will be formed by complete reaction of 1.50g of
3 answers
asked by
Michelle
468 views
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis
1 answer
asked by
joe
693 views
Each of the following is a confidence interval for u = true average(population mean) resonance frequency (Hz) for all tennis
2 answers
asked by
joe
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 answer
asked by
Amanda
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
3 answers
asked by
ryan
1,227 views
Which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7?
3 answers
asked by
Kristine
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 answer
asked by
sharan
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
3 answers
asked by
Abrich
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 answer
asked by
sharan
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 answer
asked by
Dawn Wool
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 answer
asked by
Emma
663 views
Determine the comparable interest rate for a $50,000 loan when the quoted information is 11.4% + 0.5 pt + $300.
1 answer
asked by
laurie
381 views
The Electronic Reserve Reading for this week, “Bare Bones Guide to Good Introductions,” states that an effective
1 answer
asked by
carlos
362 views
The mapping is f:N →N, given by F(n)= 2n^3+1,n belongs to N.
A. one-one and onto B. onto not one-one C. one-one not onto D.
1 answer
asked by
sharan
322 views
A. random sample of 50 four year olds attending daycare centers provided a yearly tuition average of 3987$ and the population
2 answers
asked by
Tessa
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
2 answers
asked by
Please help me
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.
5 answers
asked by
edward
899 views
Osvaldo Dragun in his story Historia del hombre que se convirtio un perro: what is the conflict that the protagonist feels
2 answers
asked by
Anna
742 views
Name the following crystallographic features below using proper crystallographic notation.
Image One [2ˉ21] [1ˉ12ˉ]
7 answers
asked by
Odesa
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?
9 answers
asked by
Olivia
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
6 answers
asked by
JOAN
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
3 answers
asked by
Olivia
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
4 answers
asked by
joe
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
2 answers
asked by
rfvv
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
4 answers
asked by
rhea
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
4 answers
asked by
tino
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 answer
asked by
rfvv
450 views
Scores on the SAT verbal test in recent years follow approximately N(504,111) distribution. What is the proportion of students
4 answers
asked by
Rae
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
2 answers
asked by
Rae
551 views
differentiate x^2ex^2 W.R TO X
2 answers
asked by
John
805 views
I am pressed for time and need this assignment done by Sunday please. The language used is Java. I have attatched both
2 answers
asked by
Nyeel
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
3 answers
asked by
charlie
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
2 answers
asked by
rfvv
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 answer
asked by
charlie
398 views
A=B+2C , 3B = 2C +D ,A+2B = 2D How many B = D
1 answer
asked by
wan
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
4 answers
asked by
wan
1,907 views
4C =2A + 2B , 2B = A + 3C How many C's will balance the combination of A and B
3 answers
asked by
charlie
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 answer
asked by
WAN
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
3 answers
asked by
Deborah
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
4 answers
asked by
Deborah
2,495 views
what is 18÷4 as a mixed number?
3 answers
asked by
mr. potato head ∞®★★¾
352 views
How should I start of a one page written assignment on the marketing failure of a company? What should the first paragraph
5 answers
asked by
Kayla
488 views
A cone has a radius of 6 inches and a height of 9 inches
a) calculate the volume of the cone. use pi. as my answer for part a i
4 answers
asked by
karen
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
3 answers
asked by
heather
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 answer
asked by
Anonymous
397 views
What were some complexities of trade in Post Classical world and how it is similar and or different to today?
1 answer
asked by
Diana
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
2 answers
asked by
rory
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 answer
asked by
rory
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 answer
asked by
sarah
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 answer
asked by
Julia
667 views
please help! I can't figure out the function rule for a table that says
x=0,1,4,5 and y=9,6,-3,-6
4 answers
asked by
jor.kan
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 answer
asked by
Savana
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
6 answers
asked by
TUHITUHI
2,210 views
Any advice for a book to read"" for a 13 year old? :) something interesting please
1 answer
asked by
Jessica
375 views
crystal structure of cesium chloride (CsCl).
1)Identify the crystal system: Cubic Tetragonal Orthorhombic Rhombohedral Hexagonal
3 answers
asked by
selly
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 answer
asked by
sarah
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 answer
asked by
Diana
382 views
final project topic: American Patriotism is Alive and Well
1 answer
asked by
Johnson
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 answer
asked by
sarah
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?
2 answers
asked by
joane
523 views
What is the difference between "Findings and Analysis"?
And do I need to quote a lot in the findings section?
2 answers
asked by
Jules
911 views
how is a political strategy used in sports?
1 answer
asked by
Anonymous
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 (%
5 answers
asked by
dormaine
291 views
whats the present value of 850.00 made in 10 years with a discount rate of 12%
1 answer
asked by
lisa
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 answer
asked by
Tracy
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
2 answers
asked by
Angie
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 answer
asked by
joane
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,
4 answers
asked by
Angie
423 views
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