Questions Asked on
March 11, 2010

chemistry
Compare a mole of Ag108 and a mole of Pt195 using atoms, protons, electrons, and neutrons.
asked by Astrid 
precalculus
an airplane flying at 550 miles per hour has a bearing of N 52(DEGREES)E. After flying 1.5 hours, how far north and how far east has the plane traveled from its point of departure?
asked by sara 
Math
A box has a bottom with one edge 7 times as long as the other. If the box has no top and the volume is fixed at V, what dimensions minimize the surface area?
asked by Matt 
Chemistry
Given an unknown mixture consisting of two or more substances, explain how we could determine whether that mixture is a true solution, a colloid, or a suspension
asked by Anonymous 
Precalculus
Rosea drives her car 30 kilometers to the train station, where she boards a train to complete her trip. The total trip is 120 kilometers. The average speed of the train is 20 kilometers per hour faster than that of the car. At what speed must she drive her
asked by Alonzo 
physics
A helium balloon and its gondola, of mass M, are in the air and stationary with respect to the ground. A passenger, of mass m, then climbs out and slides down a rope with speed v, measured with respect to the balloon. With what speed (relative to Earth)
asked by Anonymous 
PreCal(Please check)
Approximate the equation's solutions in the interval (0,2pi) sin2x sinx = cosx 2cos(x) (1/2sin^2x) = 0 Then I got 3pi/2, pi/2, pi/6 and 5pi/6 Then I substituted 03 and got 3pi/2 , 5pi/2 , 9pi/2 , pi/2, pi/6, 7pi/6, 13pi/6 , 19pi/6 , 5pi/6 , 11pi/6 ,
asked by Abbey 
Chem
Solid carbon dioxide (dry ice) goes from solid to gas at 78C. The molar heat of sublimation is 25.3 kj/mol. In one experiment 34.5g of dry ice are placed in an insulated isolated container with 500 g of water at 25C. What temp of the water is expected
asked by Kelly 
pulley and rotation
Two masses, mA = 35.0 kg and mB = 42.0 kg, are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius 0.50 m and mass 4.8 kg. Initially mA is on the ground and mB rests 2.5 m above the ground. If the
asked by Anonymous 
physics
Two balls, of masses = .029 kg and = .06 kg, are suspended. The lighter ball is pulled away to a 60 degree angle with the vertical and released. What is the speed of the lighter ball before impact?
asked by Anonymous 
Chemistry
Calculate the decrease in temperature when 2.00 L at 20.0 C is compressed to 1.00 L
asked by Engie 
physics
The CM of an empty 1300 kg car is 2.40 m behind the front of the car. How far from the front of the car will the CM be when two people sit in the front seat 2.80 m from the front of the car, and three people sit in the back seat 3.80 m from the front?
asked by Anonymous 
Chem hw!
1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04L sample of gas
asked by Teisha 
Algebra 2
Carbon Dating: Use the formula y= ae^.00012t where a is the initial amount of carbon14 , t is the number of years ago the animal lived, and y is the remaining amount after t years how old is a fossil remain that has lost 95% of its carbon14
asked by Ana 
English
Can you writeacher tell me if the following statements are correct. I know they are not dictionary definition but I would like to know if they are possible in English. Thank you for your cooperation. 1) A thirdperson narrator tells the story in third
asked by Franco 
college
You are trying to overhear a juicy conversation, but from your distance of 16.0 , it sounds like only an average whisper of 20.0 . So you decide to move closer to give the conversation a sound level of 65.0 instead. How close should you come?
asked by jim 
Math
A box has a bottom with one edge 7 times as long as the other. If the box has no top and the volume is fixed at V, what dimensions minimize the surface area? Please help me find the COMPLETE dimenssion of the box.
asked by Matt 
Chem hw!
1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04L sample of gas
asked by Teisha 
Auditing
1. Which of the following matters would an auditor most likely consider to be a significant deficiency to be communicated to the audit committee? A. Management's failure to renegotiate unfavorable longterm purchase commitments. B. Recurring operating
asked by Bob 
another rotation
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 1.85 m/s when it reaches a 23.5° incline.How far up the incline will it go? How long will it be on the incline before it arrives back at the bottom? Again, I am so confused about
asked by Liz 
chemistry
Question about titration calculations in analysis of antacids lab. We did a lab yesterday with antacids, HCl and NaOH and I'm having trouble doing the calculations. The information known is the following: 1)0.10M NaOH 2)0.10M HCl 3)Mass of Antacid .22g
asked by Mindy 
Chemistry
What is the hydroxide ion concentration in a solution with [H3O] = 7.67 x 10^9M
asked by Anonymous 
psychology
if family planned to spend $370 for food during March but spent only $348,this difference would be referred to as a: a)surplus b)deficit c)budget reduction d)contribution to net worth IS D RIGHT ANSWER? THANK YOU:))))
asked by vedrana 
business
You conduct a survey of a sample of 25 members of this year’s graduating marketing students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this
asked by joi 
Science
After a soccer ball is kicked into the air, what force or forces are acting on it?
asked by Summer 
chemistry
double indicator titration of phosphoric acid with sodium hydroxide
asked by Anonymous 
Algebra 2/ Chemistry?
Carbon Dating: Use the formula y= ae^.00012t where a is the initial amount of carbon14 , t is the number of years ago the animal lived, and y is the remaining amount after t years how old is a fossil remain that has lost 95% of its carbon14
asked by Ana 
Math
Which uppercase letters of the alphabet have rotational symmetry?
asked by Anonymous 
rotations2
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 1.85 m/s when it reaches a 23.5° incline.How far up the incline will it go? How long will it be on the incline before it arrives back at the bottom?
asked by Anonymous 
math2
Solve the problem. You traveled 189 miles on 7 gallons of gasoline. At this rate, how many gallons of gasoline would you need to travel 297 miles?
asked by pat 
chemistry
A chemist has 12.0 M HBr and would like to use it to make 500.0 mL of 3.5 M HBr. describe how she should do this
asked by ANNA 
chemistry
For the reaction: Mg + 2 HCl => MgCl2 + H2 a) How many grams of HCl are required to react with 62.0 g of Mg?
asked by Stacie 
physics
A rocket of total mass 2580 kg is traveling in outer space with a velocity of 111 m/s. To alter its course by 32.0 degrees, its rockets can be fired briefly in a direction perpendicular to its original motion. If the rocket gases are expelled at a speed of
asked by peyton 
Chemistry
2H2 (g) + O2 (g) 2H2O (g) what is the likely magnitude of the equilibrium constant? a) k < 10 ^3 b) 10^3
asked by Katie 
Math
Greg is opening a car wash. He estimates his cost equation as C= 5000 +0.05x and his revenue equation as where R=1.9x is the number of cars washed in a sixmonth period. Find the number of cars that must be washed in a sixmonth period for Greg to make a
asked by LaLa Help me please!! 
math (always)
if peter has 60 basball cards in his collection how many baseball football and basketball cards does he have? my answer was20 baseball cards 10 football cards 10 basketball cards
asked by 3mmi3 
calculus/physics
A force of 10 pounds stretches a spring 2 inches. Find the work done in stretching this spring 3 inches beyond its natural length
asked by deb 
French
Could you check these thanks. We are working on les actions réciproques. 1. Pierre parle à Marie. Marie parle à Pierre. Answer: Ils se parlent. 2. Pierre aime Marie. Marie aime Pierre. Answer: Ils se aiment. 3. Je t'aime. Tu m'aimes. Answer: Nous nous
asked by Lisa 
physics
How far will 350 joules raise a block weighing 7 newtons?
asked by tori 
estimating
A security analyst specializing in the stocks of the motion picture industry the relation between the number of movie theater tickets sold in December and the annual level of earnings in the motion picture industry. Timeseries data for the last 15 years
asked by Anne 
english
what is a good thesis statement for jim crow laws?
asked by tanisha 
CHEM
Suppose that the microwave radiation has a wavelength of 10.8 cm. How many photons are required to heat 225 mL of coffee from 25.0*C to 62.0*C ? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J/(gK), as water
asked by baubi 
physics
A 250. MW coalfired power plant burns fuel with an energy density of 35.0 MJ kg1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s1. 4. Calculate the energy removed by the water each second. 5. Calculate the
asked by needs help 
physics
A 12100 kg railroad car travels alone on a level frictionless track with a constant speed of 20.5 m/s. A 5850 kg load, initially at rest, is dropped onto the car. What will be the car's new speed?
asked by Anonymous 
geometry
In the diagram, ABCDE is a regular pentagon with the measure of represented by 2x + 1. If the perimeter of the pentagon is 45, find the value of x.
asked by nini 
physics
A 250. MW coalfired power plant burns fuel with an energy density of 35.0 MJ kg1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s1. 4. Calculate the energy removed by the water each second. 5. Calculate the
asked by emily 
CMIS
What is the current practical limit on the number of GEO satellites?
asked by Don 
chemistry
Explain how you would convert from number of atoms of a specific element to its mass??
asked by Jeaninne 
Algebra II
The Officejet printer can print a dissertation in 10 minutes. It takes the Deskjet printer 16 min to copy the same document. If the two machines work together, how many minutes will it take to copy the document?
asked by Kristi 
Math!
Pls help me on this, i dunno the answer but i got the answer of my own, but its wrong nad this paper is already marked, but i still cant seem to understand how to solve this! A furniture store bought an item for $810 less 15%. The store's expenses are 38%
asked by Thara! 
math
Write the probability as a decimal,percent and fraction. C) has a "5050" chance D) will happen about 3 times out of 4 E) has 2 chances in 3 of happening C)0.5,50%,50/N D)0.75,75%,3/4 E)0.66,66%,2/3 Thanks!:) PsyDAG Is my Answer correct?
asked by Anonymous 
geometry
In ΔABC, AB is of the length of , and AC is of the length of . The perimeter of ΔABC is 24. (a) AB = ___units. (b) AC = ___units. (c) BC =___ units
asked by nini 
chemistry correction
1. Which two elements react vigorously with each other? A: Chlorine and lithium B:Chlorine and potassium C:iodine and lithium D:iodine and potassium my answer is B 2. which statement about electronegativty is correct. A: Electronegativity decrease across a
asked by Richard 
Calculus
Find the normals to the curve xy + 2x  y = 0 that are parallel to the line 2x + y = 0. I can find the normal lines and the slope but I don't know what I'm suppose to do with the line 2x + y = 0
asked by John 
com 150
what kind of conclusion does the writer use? what is the impact of that kind of conclusion in this essay? the essay is : the difference between sin and circumstance.
asked by DMan 
Chemistry
For a reversible reaction where A + B (both arrows) C + D, the equilibrium constant is represented by kc = 5.3 = (c)(d)/(A)[B]. Initially A and B are present at 2.00 M each. What is the final concentration of A once equilibrium is reached. I made an ICE
asked by Katie 
chemistry
need answer to the following: for each molecular compounds, write the name corresponding name or write chemical formula to: A)nitrogen pentasulfide B)diphosphorus pentasulfide C) AS2S3 D)PBr5
asked by gina 
math
Lydia Rise us building a terraium and needs to buy two sizes of gravel and soil to go in the bottom. The terraiun is 24 in longs, 14 in wide, and 15 in tall. A.The bottom layer is pea gravel and needs to be 2 inches deep. How many cubic inches will she
asked by Hobo 
science
"Two children who are fighting over a toy pull on it from opposite sides. The result is a standoff. Explain this in terms of the net force."
asked by Lena 
Math
Differentiate in terms of x: 1] y = cos^3 5x 2] y = sec^2 3x
asked by Ren 
college physics
Now assume that the pitcher throws a 0.145 kg baseball parallel to the ground with a speed of 32 m/s in the +x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line. What is the ball's velocity just
asked by Anonymous 
math
You roll 2 sixsided dice. Give the probability of rolling the total 2.
asked by deandre 
precal
find the exact value: sin(31560)
asked by john 2020 
math
peter bought a bag of candy. He gave away ten percent of the candy too his wife and the gave three pieces to meg. he gave one forth of what he had left to his friend joe and then ate half of the remaining 18 peaces of candy. How many pieces of candy were
asked by jake 
Accounting
Your department’s accounting software is extremely outdated and you have included the purchase of new software in this year’s fiscal budget. You have decided it is time to start looking into purchasing your company’s accounting software and have
asked by jmama 
physics
A long straight wire of radius R = 1 cm carries a total current I = 1 Amp which flows uniformly through the crosssection of the wire. Draw a diagram of this wire and the current and the magnetic field which is produced. Using Ampere’s law solve for the
asked by joshua 
math
Geral and michelle went on a 24 bikeride. By lunch time they had ridden 5 eigth of the total distance. How many miles did they have left to ride after lunch?
asked by Julie 
Algebra II
The Officejet printer can print a dissertation in 10 minutes. It takes the Deskjet printer 16 min to copy the same document. If the two machines work together, how many minutes will it take to copy the document?
asked by Kristi 
Chemistry II (College)
How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a firstorder reaction with a halflife of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) (a) What will be the partial
asked by Tim 
science
The earth exerts a force of 2200N on an orbiting communications satellite that is 35mi above the earth..What is the magnitude of the force the satellite will exert on the earth??
asked by Elver Gon 
Math
The function W(d) = 0.112d approximates the amount in centimeters of water that results from d cm of snow melting. find the amount of water that results from snow melting from depts of 15cm, 26 cm, 70 cm
asked by Liz 
Incorrect comma usage?
This begins with the titan Cronos’ mother, Earth, who encourages her children to overthrow their father, Heaven, because out of dislike, he keeps them locked away. does this look right?
asked by Claire 
chem
Hexane, a component of gasoline, releases more energy per mole when it combusts than does nitroglycerine when it explosively decomposes. Explain why hexane is a better fuel and nitroglycerine is a better explosive. Is it because hexane release its energy
asked by Anonymous 
keyboarding and word processing
1.Secretary A will use “Sincerely” as the complimentary closing of a letter to a colleague. Secretary B will use “Cordially” as the complimentary closing of a letter to a friend. Which secretary is using the correct closing A. Only secretary A C.
asked by Angie 
chemistry
how do u calcualte the percent of hydrogen and carbon if given their mass in grams?
asked by hilde 
English
Is there a website that you can type in a sentence and it will give you the parts of speech of that sentance?
asked by Samantha 
science
mass is usually measured in?
asked by Nick 
Geometry
Give the dimensions of a picture frame that is a golden rectangle.
asked by Anonymous 
English
The popularity of blogging isan example the public producing the media the public regulating the meadia or could the answer be both above
asked by Betty 
Determinants
Why are finding determinants important? Aside from Cramer's rule when are determinants used?
asked by Kevin 
college
Write a 350700 word response describing each court level and its responsibilities. Then, describe the two main differences you found between the state and federal court systems.
asked by yolanda 
Calculus
Find the normals to the curve xy + 2x  y = 0 that are parallel to the line 2x + y = 0. I can find the normal lines and the slope but I don't know what I'm suppose to do with the line 2x + y = 0
asked by John 
algebra
In a large survey, it was discovered that 1 out of every 5 adults visits Disney World every year. If 30 adults are randomly selected, what is the probability that exactly 7 of them will visit Disney World this year?
asked by Ciera 
math
A landscaping company sells 40pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.75 pound. Write an inequality involving absolute value that expresses the relationship between the actual
asked by Dk 
PreCal(Please check)
sqrt2 /10 Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?
asked by Abbey 
chemistry
There are 50.0 grams of NH3 + Na which produce NaNH2 + H2 (unbalanced) How much grams is produced with the excess of the reactant?
asked by Jakov 
Physics
In the circuit below all light bulbs are identical. In order of brightest to dimmest the light bulbs are ... This is the best I could do, to try and replicate what the original circuit looks like : where the x's are just the wire; A,B, C, D, and E are the
asked by Sandra 
math
How many liters are in 200 milliliters
asked by carol 
Physics
What is the direction of the net magnetic field at the point? I'll describe the figure here: Imagine a cartesian plane. At (0,y) is a wire carrying a current out of the screen. At (0, y)is a wire carrying identical current out of the screen. At (x, 0) is
asked by anony mouse 
8th grade litrature
literary terms in wreck of the hesperus
asked by thomas 
Chemistry
Find the Ph of solutions with the concentrations 1.15 x 10^6M
asked by Anonymous 
Chemistry
A 8.6 x 10^3M solution of H3PO4 has a pH=2.30. What is Ka for H3PO4
asked by Anonymous 
science
If a atom has 26 protons, 26 electrons, and 30 neutrons, what is its mass number?
asked by John 
math
1. Sphere C(2,1,3), radius=7. T plane at (4,2,1)=? (a) 6x3y+2z=0 (b) r.(6,3,2)=28 (c) 5x3y2z=28 (d) r.(6/7,3/7,2/7) 2. Sphere (x1)²+(y5)²+(z2)²=49 and planr r.(2,6,3)=0 form which circle?(a) (x1)²+(y5)²+(z2)²=19.53 (b) C(0,0,0),
asked by Anonymous 
math 12 logarithms
I need to express log base 5 sqrt5 =0.5 in exponential form. Would it be 5^0.5 =sqrt5. I'm not really understanding this unit very well. Any explaination would be greatly appreciated.
asked by sandy 
Math
Write an equation of the line containing the given point and parellel to the given line. (2,6); 9x5y=4
asked by Liz 
Math
In 1920, the record for a certain race was 46.6 sec. In 1980, it was 45.4 sec. Let R(t)= the record in the race and t = the number of years snce 1920. a) Find a linear function that fits the data R(t) = b) Use the function in (a) to predict the record in
asked by Liz 
health
1 page paper about how you can help contribute to a healthier enviromnet
asked by Anonymous 
vocab for cultures * dev
sentence with the word & meaning with commune
asked by Stacey 
Computer science
PLEASE SOMEONE HELP ME! I need help calculating the charges and setup to display savings. 1. Help with calculations. No matter the numbers i input just the base rate comes up. 2. I need help changing the code to "Modify the program so it calculates and
asked by John 
vocab cultures & dev
sentence with the word cultural diffusion in it
asked by Stacey 
physics
two charged objects carry a negative charge of 2*10c. calculate their distance apart if the force between them is 10n
asked by innocent 
Chemistry
You have KI and Pb(NO3)2 being mixture to give you an insoluble salt. What is the ionic equation per insoluble salt.
asked by Janelle 
Chemistry
What is a balance equation for sulphuric acid and copper oxide and please explain how you got the correct answer.
asked by JoseAnn 
math_precalc
Find the equation of a circle that passes through the points (6,3) ans (4,3) and whose center lies on the line y=2x7
asked by Lenna 
english
compound words which is correct thirty one selfevident QUICKLYRUNNING OR SPUR OF THE MOMENTDECISION
asked by jacob 
science
Liters and milliters are used for measuring?
asked by Nick 
grammar
1. red hots and candy corn (is,are)johns favorite candy. (is) 2. neither Alex nor the rest of the group (is,are) interested in the trip. (are) 3. both benny and jerry (dislikes,dislike)winter. (dislike) 4.fruits and vegetables (is,are)part of a balanced
asked by Sara 
algebra
x/5 = 1/16 solve using the multiplication principle
asked by dora 
algebra
72 / (92) rewrite the division as a multiplication
asked by dora 
algebra
use a commutative law to find an equivalent expression for 94 + xy
asked by bella 
algebra
translate to an algebraic expression. use x and y for variables. three less than a product of two numbers
asked by ariel 
Math
Hi I need help figuring out these to word problems. Tom has created a scale drawing of his property for use in designing a landscape plan. 1 in on is drawing corresponds to 12 ft. There is a pond that is 112 ft. long on his property. How long will it
asked by Jennifer 
History
This was one of my few questions that i was struggling with. A) Describe the growth of North American slavery from 1619 to 1789. Include the status of the first Africans in North America, laws later established to govern them, and the reasons why planters
asked by Michael 
Math
solve the polynomial equation (x+5)(x+1)=45
asked by Anonymous 
Algebra
Factor completely this trinomial 3y^3+15y^2+18y
asked by Anonymous 
SOCIAL STUDIES
U. S. GOVERNMENT ENFORCEMENT OF ENVIRONMENTAL REGULATION HELP PROMOTE ECONOMIC GROWTH AND STABILITY?
asked by JULIAN 
math
Let {xn} be a sequence converging to á.? Suppose the errors en = xn – á satisfy en+1< or = Men^2en 1 for some constant M>0. What can be said about the order of convergence?
asked by Mat78 
world history
how did the search for religious freedom affect the founding of colonies in american?
asked by hillary` 
physics rotationsplease help
Two masses, mA = 35.0 kg and mB = 42.0 kg, are connected by a rope that hangs over a pulley (as in the figure). The pulley is a uniform cylinder of radius 0.50 m and mass 4.8 kg. Initially mA is on the ground and mB rests 2.5 m above the ground. If the
asked by Liz 
Science
What two things must be measured to find the speed of a moving bicycle? a. mass and inertia b. distance and time c. gravity and friction d. position and motion
asked by Rashawn 
grade 12 trig
If cos A1=0, where 0
asked by juliet 
Algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 1/5x 1/4 y = 3 2/5x + 1/2y = 2
asked by Kim 
Geometry
Find the perimeter and area of a square with diagonal length of 20cm.. Leave your answer in simplest radical form
asked by Laverne 
science
YOUR DESK IS CLASSIFIED AS A SOLID BECAUSE IT HAS A DEFINITE SHAPE AND VOLUME AT?
asked by kYLYN 
Geometry
In a triangle Cos X = 12\13 What are sinx and tanx?
asked by Anonymous 
PreCal
Find cos(2x) if sin = 7/25 and x lies in quadrant 1 My answer was 336/625 but this was wrong. I do not know how to figure this out.
asked by Hannah 
Math 10th grade
five marbles in a jar are green. the odds against choosing a green marble are "4:1" how many marbles are in the jar
asked by nic 
statistics
The accounting department at Weston Materials, Inc., a national manufacturer of unattached garages, reports that is takes two construction workers a mean of 32 hours and a standard deviation of 2 hours to erect the red barn model. Assume the assembly times
asked by Jade 
algebra
On three consecutive passes, a football team gains 6 yards, loses 36 yards, and gains 16 yards. What number represents the total net yardage?
asked by Ed 
Math
In 1920, the record for a certain race was 46.6 sec. In 1980, it was 45.4 sec. Let R(t)= the record in the race and t = the number of years snce 1920. a) Find a linear function that fits the data R(t) = b) Use the function in (a) to predict the record in
asked by Liz 
algebra
The function H described by H(x) =2.75x+71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from elbow to the shoulder) is x cm long. Predict the height of a woman whose humerus is 32 cm long.
asked by Ed 
algebra
find the equation for x x11 1/2 = 11 1/12
asked by Anonymous 
math
What is the height of an equilateral triangle that has sides of length 1 cm?
asked by Sarah 
chemistry
by the way, how can you tell if work is 0 for 2 mol of solid iron (C = 25:1 J/(molK)) is heated from 20C to 200C. How much does its internal energy change?
asked by eng 
11th grade
log5(1+.03%)
asked by Anonymous 
grammar
check if they are right 1. red hots and candy corn (is,are)johns favorite candy. (is) 2. neither Alex nor the rest of the group (is,are) interested in the trip. (are) 3. both benny and jerry (dislikes,dislike)winter. (dislike) 4.fruits and vegetables
asked by Sara 
Math (Geometry)
A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.
asked by Sammi 
English
I need a good hook for an essay. The essay's about being a peer for the children at my school who are mantally disabled. My 1st paragraph is about what I do in the class, 2nd is about the kids, & 3rd is about special olumpics. Help PLEASEE!!!??
asked by Cecilia 
Child Care Management
I have a questions that I have answered If some one could just check it Thanks. Neuron development and elaboration, which occurs between birth and age 10, is prompted by A.aural prompts from the family,school, and enviroment. B.physical movement on the
asked by Barb 
social studies
how did egypts social pyramid shape life in the new kingdom?
asked by ilynisha 
poetry
want to write a poem about vehicle
asked by Anonymous 
Chemistry
I am asking for the balanced equation for NaOH and ammonium chloride. And what what gas is given off with this two react when heated.
asked by Gillian 
physics
the melting temperature of magnesium is 650c what is the melting temperature of magnesium in fahrenheit
asked by Anonymous 
statistics
In hypothesis testing, why are verbal problem statements converted to numerical problem statements? Why is it important to identify the parameter when converting a problem statement from verbal to numerical? Why do a null and alternative hypothesis have to
asked by pebbles 
Math
Show that Euler’s formula holds for the polyhedra described in A right pentagonal prism
asked by Anonymous 
physics
A circular conducting hoop of wire has a constant magnetic field ~B  = 1.7 Tesla passing through it so that the field direction is perpendicular to the plane of the hoop. There is an EMF induced in the hoop with magnitude 2.6 Volts because the hoops area
asked by joshua 
science
A skater is coasting alone the ice without sexerting any apparent force. Which law of motion explains the skater's ability to continue moving?
asked by Summer 
physics
a 2400lb (=10.7kn)car traveling at 30 mi/h (=13.4m/s)attempts to round an unbanked curve with a radius of 200ft (=61.0m).(a) what force of friction is required to keep the car on its path?(b) what minimum coefficient of static friction between the tires
asked by Anonymous 
general chemistry
The red line in the hydrogen line spectrum corresponds to to which electron transition?
asked by Max 
Math!
A store receive an invoice for $1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of $1250 on Februray 2? 1250/(1.03)=1288.66 1288.661773.75=485.09 Answer for (a)$485.09 b) What additional payment on February
asked by Thara! 
windows XP
On a shared folder, Read permission allows a user to display folder names, filenames, file data, and attributes; run program files; and change folders within the shared folder. True or false?
asked by josh 
algebra
Katie is finding the standard form of the equations y = x2 + 6x + 4. What mistake did she make in her work? Show the correct answer.
asked by rattler 
algebra
150/15 divide if possible
asked by dora 
algebra
use multiplying by one to find and expression equivalent to 16/5 with a denominator of 15y. type as a fraction
asked by bella 
algebra
graph 9/4
asked by bella 
Computer Science
Using the operations push(E obj), peek(), pop(), empty() give a Java implementation of the method // Reverses the elements in the stack //and returns the result. // The stack passed as an argument to //reverse() will be // destroyed upon return. public
asked by Rob 
algebra
m = n16 solve for m
asked by ariel 
Math (Analysis)
Suppose that A has exactly three elements and B has exactly two. How many different functions are there from A to B? How many of these are injective? How many are surjective?
asked by Anonymous 
Math!
A store receive an invoice for $1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of $1250 on Februray 2? 1250/(1.03)=1288.66 1288.661773.75=485.09 Answer for (a)$485.09 b) What additional payment on February
asked by Thara! 
Word Problem
Measuring Trees Problem. Jared wants an estimate of the height of some of the trees near his lake house. Use ideas of size transformations to design a plan for him to use his height to estimate accurately a tree’s height without directly measuring the
asked by Anonymous 
English
Hi, I am writing an essay and I noticed that I am using "but, however, and instead" constantly. I was wondering if you know any other similar words I could use.
asked by Anonymous 
his 135
Describe the social structure and lifestyles of the 1960’s Counterculture. How did the Vietnam War influence the Counterculture? Do you think there is a counterculture today?
asked by brandi nicole HELPPPPPP please!!! 
Biology
Hi there, Could you help me come up with four arguments as to why xenotransplantation should not receive all the funding that stem cell research now receives. Sabrina
asked by Wayne 
college govt 2302
what was the summary of Federalist paper no. 10 by james madison?
asked by jennifer 
Chemistry
What is the wavelength of radiation that has a frequency of 5.8 X 10^12 s1? I keep getting 5.17e19 but it keeps saying that's wrong. Help!
asked by Janie 
Com/220
My topic is Affects Of Gun Control on Teenagers.What Introduction and Conclusion do I start with
asked by Phonexi 
Math questions
What are some examples of regular polyhedra? What are some examples of other important polyhedra? What characteristics help you determine whether a polyhedron is regular or irregular? How can you check for symmetry and rotational symmetry of polyhedra?
asked by Anonymous 
math214
Find 28° 29’ 46”  16° 48’ 59’’
asked by Anonymous 
English
Can you, writeacher, please tell me if the following statements are correct? 1)The mirror spends its time looking at the opposite wall. The only time when he changes his observation (can you suggest to me a better word?) is when a woman bends over it to
asked by Franco 
Geometry
a line has the equation 2x + 5y = 7. another line passes through (3,6) and (k,9). what value for "k" will make the lines parallel? please tell me HOW to do this, too! thanks!
asked by Katherine 
Math
Three planes: x+y2z=1 2x+z=y4 3xy+z=2 They intersect at: (a) (2/5,5,9/5) (b) no common intersection (c) r=(5/3,2/3,0)+&(1,5,3) (d) r=(0,4,5)+%(1,5,3) &/%=signs like alpha and beta, used in vector eqns Please help! I just can't get the answer to
asked by Anonymous 
health
a pretrail conference most likely would occur
asked by Anonymous 
govt 2302
i have read the summary of federalist paper no 10 but im still not understanding madisons stand on the constitution. does he favor it?
asked by jennifer 
College Math!
A store receive an invoice for $1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of $1250 on Februray 2? 1250/(1.03)=1288.66 1288.661773.75=485.09 Answer for (a)$485.09 b) What additional payment on February
asked by Thara! 
personal finance
Taxdeffered retirement plans a type of: a)exemption b)itemized deduction c)passive income d)tax shelter Is C CORRECT ANSWER?THANK YOU:)))
asked by vedrana 
Physics
what is the weight of a 10kg object on the moon if it is 1/6 that of the earth?
asked by Eric 
government 2302
what would you say the main difference between a republican and a democratic is? thank you for the help ms sue!! :)
asked by jennifer 
PreCal
sqrt2 /10 Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?
asked by Abbey 
govt 2302
do you think being a conservative democrat contradicts itself?
asked by jennifer 
Math
How do you show 33/100 as a reduced fraction? The answer choice is suppose to be approximately.
asked by Terri 
Writng and imaging
I need a picture to represent these thing but its confusing. 1) Society 2) Being Chosen 3) Being Judge or Characterized by race or money
asked by Laly 
Math
Find the slope, if it exists. 60x40y+15=0. I'm stumped on this problem Could someone please help.? Thanks.
asked by B.B. 
Scince
What is hidrogen?
asked by Hannah 
chemistry
how many joules of heat are used in raising temp of 25 g of water from 20 to 35 degrees celcius
asked by jill 
Math
How do I show 33/100 = 1/3, step by step?
asked by Terri 
algebra
y=.09(sq)x+11.5 need to find y if x=10
asked by val 
Physics
If two resistors are connected in parallel, I know that they share the same voltage but how would you determine their current?
asked by Sandra 
Math
A store receive an invoice for $1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of $1250 on Februray 2? 1250/(1.03)=1288.66 1288.661773.75=485.09 Answer for (a)$485.09 b) What additional payment on February
asked by Thara! 
TRIG MATH
If sin theta= 7/8, then the value of 1/cot theta in the interval 3pi/2
asked by Tye 
math
What is the least common denominator of the rational expressions x1/x^2+8x+7 and 3/x^2+x
asked by Anonymous 
Maths
The line r=(2,3,4)+µ(1,0,3) and the point (6,0,2) form which plane: (a) r.(1,0,3)=10 (b) r.(9,10,3)=60 (c) r.(2,3,4)=29 (d) r=(2,3,4)+µ(1,0,3)+ù(6,0,2) Please help!!! Thanks!
asked by Anonymous 
classroom instruction
how will you teach and talk to students about the war? this is what i said How I would teach my class about a war is have a Veteran come in that was from the war. Before the veteran came into the class to answer any questions that the students may ask, the
asked by scooby 
Geometry
Find the perimeter and area of an equilateral triangle with a height of 24in.
asked by Anonymous 
personal finance
must calculate whether a couple should rent or buy a home.
asked by don 
Algebra
How do Isolve this, 10q25q to the 2nd power
asked by Jayda 
math 12 logarithms
How would I go about proving 1/log a +1/log a = 1/log base 100 a. Any help would be greatly appreciate. Thanks
asked by sandy 
Geometry
In triangle XYZ,Cos X = 0.4 What is the length of XZ?
asked by Anonymous 
chemistry
State one method of preparing oxygen in the lab and wrte a balanced equation for the reaction
asked by +2347034420247 
Math(Please check)
Complete the identity secQ  1/secQ = secQ Is this correct?
asked by Abbey 
Precalculus(URGENT)
Number of possible turning points in the following equation f(x)=x^2(x3)(x+4) show work please
asked by Arielt 
chemistry
how many moles are in a 65L sample of chlorine gas at 10degrees Celcius?
asked by molly 
algebra
The equation y =1777+27,153 can be used to predict the number y of gun deaths in the United States x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, X=6 corresponds to 2006, and so. Predict the number of gun deaths in 2006 and
asked by Ed 
science
explain what causes lightning and thunder.
asked by danaejah 
math
A TV reporter said that twice as many woodlands were lost this year to fire than in the preceding year. He claimed this was an increase of 200%. Was he correct?
asked by kevin 
Vocab for cultures & devel
sentence for homogeneous
asked by Stacey 
Math 98 pre algebra
14 and 2/3 times 2 and 2/11 divided by 3 and 3/8. i got =234 and 1/4 am I correct and if not what is the answer?
asked by chris 
vocab cultures & dev
a sentence with the word communist in it
asked by Stacey 
pre alg
(4)cubed divided by (2)cubed 3(5)squared I got 67 am i correct?
asked by trev 
pre algbra
3x(cubed)times y, 2xy(cubed), 5x, how many terms do you see and what is the product of their coefficients?
asked by me again 
pre algebra
last question, the number of students rose from 6300 in 2004 to 8505 in 2005 what is the % increase?
asked by me again 
Biology
Need help with these 14. Which of the following is present in an insect but not in arachnids? a. mandibles b. compound eyes c. jointed appendages d. segmentation 16. The exoskeleton of an insect a. does not have any muscles attached to it b. is moved by
asked by mysterychicken 
Precalculus
Number of possible turning points in the following equation f(x)=x^2(x3)(x+4) are there 2 turning points or three turning points on the graph
asked by Arielt 
Accounting
FIN 200 Checkpoint: break even analysis
asked by Chris 
physics
two charged objects carry a negative charge of 2*10c. calculate their distance apart
asked by innocent 
science
The speed of a rain is reduced unformly from 10m/s to 5m/s while covering a distance of 50m.What is its acceleration??
asked by chen chen 
psychology
Explain how having a negative selfschema affects one’s social interactions. How does social intelligence affect one’s responses in any given situation? How might a person’s selfguides affect his or her perspective of the world?
asked by shelly 
hum 130
What are some of the new developments in the Islamic world? Select at least two and describe them.
asked by john 
biology
Why is cell culture one of the most valuable technical achievements in the entire study of biology?
asked by alex 
5th grade Math
A rectangle has a perimeter of 12 m. If each side is a whole number of meters, what are the possible dimensions for the length and width? List them and explain your answer.
asked by Sammi 
10th grade
what chemicals are being added together in the chemical equation of 2HCL + Ca > CaCl2 + H2
asked by maddi 
science
what type of interaction occurs between organisms fighting for same resources?
asked by sara