Questions Asked on
April 28, 2011

Math
Im having trouble getting the correct answer to this question. Could someone help out. Monthly sales of a particular personal computer are expected to decline at the following rate of S'(t) computers per month, where t is time in months and S(t) is the
asked by Anonymous 
math
which is greater 1.8 or 1.08
asked by Tristan 
Physics
The generator at a power plant produces AC at 24,000 V. A transformer steps this up to 345,000 V for transmission over power lines. If there are 2,000 turns of wire in the input coil of the transformer, how many turns must there be in the output coil?
asked by Mateo 
Chemistry
A zinccopper battery is constructed as follows at 25°C. ZnZn^2+ (0.15 M)Cu2+(3.00 M)Cu The mass of each electrode is 200. g. a) Calculate the cell potential when this battery is first connected.  i got this to be 1.14V b.) Calculate the cell
asked by Pamela 
Chemistry
The molar solubility of Pb(IO3)2 in a 0.10 M NaIO3 solution is 2.4 1011 mol/L. What is Ksp for Pb(IO3)2?
asked by Steve 
English
What's a good thesis statement for the book hunger games ?
asked by Kay 
Physics ~ Please help
The index of refraction of a transparent liquid (similar to water but with a different index of refraction) is 1.39. A flashlight held under the transparent liquid shines out of the transparent liquid in a swimming pool. This beam of light exiting the
asked by cr 
Physics
A stationary 3.0m board of mass 6.0 kg is hinged at one end. A force is applied vertically at the other end, and the board makes a 30° angle with the horizontal. A 40kg block rests on the board 80 cm from the hinge as shown in the figure below. a) Find
asked by Kayla 
chemistry
calculate the volume(ml) of a 0.215M KOH solution that will completely neutralize each of the following? a) 2.50ml of a 0.825M H2SO4 solution b) 18.5ml of a 0.560 M HNO3 solution c) 5.00mL of a 3.18 M H2SO4 solution
asked by Connie 
Chemistry
Any one there who would help me with my pr0blem!Please help me,tnx! What is the mass of carbon dioxide if 100 grams of methane is oxidized to carbon dioxide and water?
asked by joy 
Chemistry
What is the mass of carbon dioxide if 100 grams of methane is oxidized to carbon dioxide and water?
asked by joy 
CHEM
Trying to figure out how to draw the structure 2bromo4phenylpentane I thought it was a five carbon strong with the ring on the second C and a Br on the 4th  but that's not correct (or not completely correct) What am I doing wrong?
asked by Star 
Physics ~ missed this lecture pls help!
The index of refraction of a transparent liquid (similar to water but with a different index of refraction) is 1.39. A flashlight held under the transparent liquid shines out of the transparent liquid in a swimming pool. This beam of light exiting the
asked by cr 
Chemistry
How many liters of air (78 percent N2, 22 percent O2 by volume) at 20 degrees Celsius and 1.00 atm are needed for the complete combustion of 1.0 L of octane, C8H18, a typical gasoline component that has a density of 0.70 g/mL?
asked by Star 
englishliterature(honey, baby, sweetheart
what kind of tragic achetype or hero is Ruby McQueen in the novel ''honey, baby, sweetheart''. PLS I REALLY NEED HELP. THIS IS DUE TOMORROW
asked by ted 
physics
The physics of moving a small charge through a potential difference. How much work is needed to move a 8.0 ìC charge from ground to a point whose potential is +75 V?
asked by aly 
Grammar
Is this a correct sentence using a linking verb? My dog Sam is in the bathtub. Is "is" the linking verb?
asked by Kam 
math
find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
asked by kim 
Math
A moving truck fills up a shipment at an old address, at (2,1). It travels 7 blocks south and 6 blocks east to the new address. What is the location of new address?
asked by Annette 
modern physics
What is the energy equivalent of 2 e V?
asked by ashley  
Physics Class
A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110
asked by Paige 
ENGLISH
The Crucible by Arther Miller 1Which of the following significant events occurs after the play begins? a. A group of girls dances in the forest. b. Giles sues Proctor for defamation of character. c. Abigail accuses Goody Osburn of witchcraft. d. Ruth
asked by Anonymous 
Triggggggg
A ship is 90 miles south and 20 miles east of port. The captain wants to travel directly to port. What bearing should be taken?
asked by Jill 
chemistry
How many atoms of sulfur are present in 32.0 moles of sulfur? why?
asked by Jasmin 
chemistry
(AAAAA)The standard reduction potentials of lithium metal and chlorine gas are as follows: (for Li, reduction potential is 3.04, for Cl it is 1.36) In a galvanic cell, the two halfreactions combine to 2Li{+](s) + Cl{}2(g) > 2Li{+}Cl{}(aq) Calculate
asked by lili 
Chemistry
H2 + F2> 2HF deltaH = 518.0 kJ H2 > 2H deltaH = 436.8 kJ F2 > 2F deltaH = 158.2 kJ (a) calculate Delta H for H + !@#$%^&> HF (b) what is the standard enthalpy change of formation of F2 Help please!!! i think this is easier than i'm making it. for
asked by jessica 
College chemistry
A buffer that consists of a mixture of NaH2PO4 and K2HPO4 has a pH of 6.73. The (HPO4)/(H2PO4) ratio in this buffer is what? If (k1,k2,and k3 for H3PO4 are 7.1x10^3, 6.2x10^8, and 4.5x10^13 respectively)
asked by Anonymous 
physics
Which of the following is correct for the nuclear fission reaction? Choose one answer. a. The mass of the daughter nucleus is always greater than the mass of the parent nucleus. b. The mass of the daughter nucleus is always less than the mass of the parent
asked by ashley  
Algebra 2 review
Bob and Latoya both drove to a baseball game at a college stadium. Bob lives 70 miles from the stadium and latoya lives 60 miles from it. Bob drove at a rate of 50 miles/hour and Latoya drove at a rate of 40miles/hour. If they both left home at the same
asked by Beth 
Chemistry
100 grams of glucose is mixed with 500 grams of water. 10 grams of yeast is then added to the mixture. If the reaction goes to completion, what is the mass of ethanol in the final mixture?
asked by William 
Chemistry
Mr.drwls help me to check if my answer is c0rrect,tnx anyways, what is the mass of calcium carbonate is required to react with sulfur dioxide produced by burning 1000 kgs of coal that contain 5% sulfur by mass? (0.781 kmole)(100kg/mole)=78.1 kg
asked by joy 
Chemistry
Help me please wether i d0ne it right,what is the mass of calcium carbonate is required to react with sulfur dioxide produced by burning 1000 kgs of coal that contain 5% sulfur by mass?tnx
asked by joy 
chemistry 101
if you had 14 moles of octane how many moles of carbon dioxide would you get?
asked by sylvia 
CHEM
draw the structural formula for 1,3,5trichlorocyclohexane
asked by Star 
college math
Braking distance The braking distance y in feetthat it takes for a car to stop on wet ,level pavement can be estimated by y = 1/9 x^2, where the x is the speed of the car in miles per hour Find the speed associated with with each braking distance. (a.) 25
asked by Shin 
precalculus
Find the angle between the two sides of length 6 in an isosceles triangle that has one side of length 9 and two sides of length 6. Find using the inverse.
asked by Victoria 
math
what is the surface area of a rectangular prism with the width 4cm lenth 5cm height of 3cm
asked by dianalish` 
chemistry
how many moles of sucrose C12H22O11 does 300mL of a 0.10 M sucrose solution contain?
asked by amber 
physics
A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the average adult burns or expends about 0.45 Cal/h for every pound of body weight. How many Calories would a 196 lb person burn during 7 hours of sleep? (Note
asked by gabby 
chemistry
The process that uses electricity to decompose chemical compounds/prepare new chemical compounds
asked by Anonymous 
Health as a Social Institution
1) What do you think Canadians can learn from other cultures about the treatment of illnesses? 2) Define good health, illness, and disease in your own words and use examples.* Put yourself in someone's place living in a nonWestern nation. How and why
asked by Alex L. 
help help 9 physics) i need an aswer fast!
a 0.5 m^2 solar collector radiation from the sun and focuses it on 250g of water that is inially at 23 degrees . the average intensity of radiation arriving from the sun at this location is 550 Wm^2. if you assume that this is collected with 100%
asked by H.T 
algebra
A gardener wants to create a triangular garden in the shape of a right triangle with shortest side length x – 2y ft. and the middle length side x + 4y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out and
asked by andrea 
law of cosines and sines
m
asked by Anonymous 
pre calc
the longest side of a triangle is 34 feet. the measures of two angles of the triangle are 40 and 65 degrees. find the lengths of the other two sides using law of sines and cosines
asked by g 
Math
Estimate to the nearest integer. Square root of 55
asked by Dylan 
english
I had to correct the following fragment sentence error. Please advice if they are correct. Thank you in advance for your help. 1. It is true that the first drivein theaters opened in New Jersey in 1933, which was in the middle of the Great Depression when
asked by Amor 
physics ( help)
The active element of a certain laser is made of a glass rod 30cm long and 1.5cm in diameter. The average coefficient of linear expansion of glass is 9 x 10^6°C1. If the temperature of the rod increases by 65°C, what is the increase in its volume?
asked by UnKnown 
Chemistry
a sample of limestone and other solid materials is heated and the limestone decomposes to give calcium oxide and carbon dioxide: CaCO3 > CaO + CO2 a 1.506 g sample of limestone containing material produces 284 mL of CO2 at STP. what is the mass percent
asked by Ben 
chemistry
What is the mole fraction of sulfuric acid in a solution made by adding 3.4 grams of sulfuric acid to 3500 mL of water?
asked by amber 
physics
The wavelength of an electromagnetic wave is measured to be 600 m. What is the frequency of the wave?
asked by Mateo 
Chemistry
a solution contains an unkown amount of dissolved magnesium, addition odf 0.0877 mol of Na2CO3 causes complete precipitation of all the magnesium. what is the mass of magnesium was dissovled in the solution? you must write a balanced equation for the
asked by Monika 
Physics
A spaceship of mass m is located between two planets of masses M1 and M2; the distance between the two planets is L. Assume that L is much larger that the radius of either planet. What is the position of the spacecraft (given as a function of L, M1, and
asked by Fernando 
French
Sra could you please check my french post again.
asked by Sydney 
Algebra 2 review
how many feet from the base of a house must a 39foot ladder be placed so that the top of the ladder will reach a point on the house 36 feet from the ground
asked by Anonymous 
physics
When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?
asked by ashley  
math
how do i express each ratio as a fraction in simplest form?
asked by janie 
physics
Which of the following is true for the transition of electrons from a higher energy to a lower energy state? Choose one answer. a. The greater the energy difference between the levels, the more is the wavelength of the photons emitted. b. The greater the
asked by ashley  
FRENCH
Prepositions before cities, countries, and continents. C'est où, cette ville? Dites dans quelle ville et dans quel pays chaque personne travaille. Modèle: M. Barrault/Marseille M. Barrault travaille à Marseille, en France. 1. Mlle Martinelli/Rome Mlle
asked by Sydney 
chemistry
predict the type of reaction that occurs between liquid pentanol and oxygen.
asked by Anonymous 
math
Factor the expression 4x^220xy+25y^2 into a product of binomials
asked by kozy 
biology
The doubling time of a type of bacteria is 35 minutes. If every bacterium reproduces, then after 35 minutes a population of 64 bacteria will have grown approximately to what size?
asked by keke 
physics
a wheel turning with angular speed of 30 rps is brought to rest with constant acceleration. It turns 60 revolutions before it stops.
asked by sarah 
physics
The physics of the DNA molecule. The two strands of the DNA molecule are held together by electrostatic forces. There are four bases which make up the DNA molecule, thymine (T), adenine (A), cytosine (C), and guanine (G). In two of the bases, thymine and
asked by aly 
physics
The physics of an electron moving from one plate to another. An electron acquires 4.2 x 1016 J of kinetic energy when it is accelerated by an electric field from Plate A to Plate B. What is the potential difference between the plates, and which plate is
asked by aly 
calculus
use reimann sums and a limit to compute the exact area under the curve of y=2x^2+1 on the interval[1,3]... i am having trouble getting the right answer which is suppose to be 58/3. I would just like to see the set up of the sum so check if am doing it
asked by amy 
Algebra 1
how do find the y and x intercepts for the equation 3x + y = 7 ?
asked by Eve 
English
I'd like you to check these other sentences please. Thank you very much. 1)The train is going to take eight hours to get to Rome. 2) The train journey is going to last eight hours. 3) We are flying back to Milan on 12 July. Our parents are going to pick us
asked by Henry1 
math
81x^2  126xy + 49y^2 factoc into a product of bionomials
asked by carol 
physics
Meteorites from Mars Several meteorites found in Antarctica are believed to have come from Mars, including the famous ALH84001 meteorite that some believe contains fossils of ancient life on Mars. Meteorites from Mars are thought to get to Earth by being
asked by Randy 
math
A company manufactures two different cylindrical containers for storage of pool chemicals. If the radius and height of the larger container are twice the radius and height of the smaller container, by what factor does the volume increase?
asked by lisa 
physics
Find the minimum kinetic energy needed for a 3.7×104kg rocket to escape the Moon.
asked by Randy 
Trigonmetry
If an airplane is traveling at 750 mph bearing of S 65 W for 3 hours how far will the plane travel? And what bearing should they travel home?
asked by Mack 
Physics
A dragster maintains a speedometer reading of 100 km/h and passes through a curve with a constant radius. Which statement is true? 1. The dragster rounded the curve at a changing velocity of 100 km/h. 2. The dragster moved along a straight line at a
asked by Leslie 
PHYSICS
You are driving a car down a straight road at a constant 48 miles per hour. Consider the following forces: I) air drag pushing back on the car; II) gravity pulling down on the car; III) the ground pushing up on the car; IV) friction pushing the wheels (and
asked by Diana 
Art 101
Briefly describe the works of art and the artists to discuss, Where is/are the works located? What time period is the art from? Writing about Apollo and sculptor Vulca.
asked by Carolyn 
physics for Mr. Pursley
I see 18% Nickel Alloy A (under pure silver) is listed as 2.874 x 10^7 Is this what I should use?
asked by Sejul 
Trigonometry
convert polar equations to rectangular coordinates. 1.) θ=π 2.) r=6 cos θ 3.) sec θ=2
asked by Kayla 
algebra2trig
the merry go round music box has a diameter of 12.5 inches. it is scale model of a HershchellSpillman Carousel which is 35 feet in diameter. A miniature horse 5.5 inchs from the center of the music box makes one complete rotation in 27 seconds. find the
asked by Olena 
TRIGONOMETRY
hey can somebody help me , its like a hundred questions, im helping my cousin doing it...lol cos=sin60 sin=cos45 tan=1/tan30 cos^2(90' 0)/1cos  sin(90'  O)
asked by LUKPING 
College Math
Hooke's Law the table shows the distance D that a spring stretches when a weight W is hung on it. W (pounds 2 6 9 15 D (inches) 1.6 4.8 7.2 12 (a.) Do the data represent direct or inverse variation? Explain. (b.) Find an equation that models the data. (c.)
asked by Shin 
Science
HELP! I have a friction question that says: What causes rocks to become smooth and founded. I know it's friction, but why?
asked by Ravin 
algebra
Megan factored the expression3x^223x+14 as (x2)(3x7) . But when Jacob applied the FOIL principle and multiplied out (x2)(3x7) , he got 3x^213x+14 ; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this
asked by kozy 
English
Errors in the use of punctuation marks  Use of Quotation Marks and Terminal Punctuation Answer Several universities in the city offer the following degrees: B.A., M.A., Ph.D. Must students write a research paper and pass a written examination in order to
asked by Kimberly 
Managed Health Care
Detail two examples of what health insurance companies decided to do to help with marketing appeal and positioning to consumers regarding choices and selection of a health care plan?
asked by Dolores 
math
144 squared is rational right?
asked by Adam 
English
Errors in the use of punctuation marks  Semicolons and Colons Answer Daniel Boone was born in Pennsylvania; his parents were English Quakers. Leftover turkey can be used in turkey tetrazzini, turkey burgers, and turkey chowder. In 1819, the Baptists
asked by Kimberly 
College math
Highway curves If a circular curve without any banking has a radius of R feet, the speed limitL.in miles per hour for the curve is L=1.5 R. (a.)Find the speed limit for a curve having a radius of 400 feet. (b.) If the radius of a curve doubles, what
asked by Shin 
English
# Errors in the use of punctuation marks  Comma Answer Birds such as eagles, hawks, and falcons are known as raptors. Money raised by the sale of UNICEF greeting cards goes toward famine relief, health care, and education. The Dead Sea Scrolls shed new
asked by Kimberly 
Physics ~ missed this lecture pls help
A thin converging lens of focal length 9.82 cm forms an image of an object placed 18.5 cm from the lens. Find the image distance. Answer in units of cm. What is the magnification for an object distance of 18.5 cm? Find the location of the image for an
asked by cr 
English
Word Choice and the Use of Idioms (errors in the choice of words and in the use of idiomatic expressions) Answer With all of his acne pits, in the dark his face resembled a cratered moon on a cloudy night. It was a strenuous tennis match, but after a hot
asked by Kimberly 
English
Position of Modifiers (errors in the placement of a modifier in a sentence) Answer Actually, the pineapple was a symbol of hospitality. Everything that King Midas touched turned to gold, including his food and water. The farmer butchered the pig he had
asked by Kimberly 
geometry
Two triangles are similar, and the ratio of each pair of corresponding sides is 7:3. What is the ratio of the perimeters? What is the ratio of the areas?
asked by Conor 
Chemistry please help!
A zinccopper battery is constructed as follows at 25°C. ZnZn^2+ (0.15 M)Cu2+(3.00 M)Cu The mass of each electrode is 200. g. a) Calculate the cell potential when this battery is first connected.  i got this to be 1.14V b.) Calculate the cell
asked by Mandy 
PreCalc
Use the fundamental identities and appropriate algebraic operations to simplify the expression. cosx / (1+sinx) Answer: secx Can someone please assist as to how I get to the answer?
asked by Lizette 
physics
A uniform plank of length 4.7 m and weight 221 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 440 N walk on the overhanging part of the plank before
asked by Anonymous 
english language
would i say: this would greatly contribute to successful customer advices on footwear. or this would greatly contribute to successful advices to customers on footwear. thanx =)
asked by Viola 
Physics ~ missed this lecture pls help
An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.
asked by cr 
math
240 feet of fencing material is going to be used. What should the dimensions be to produce a maximum enclosed area.
asked by mimi 
Chemistry
can someone please explain how to indicate where a label appears in a product? for example: where the label appears in 2[14C]Glycine > AMP
asked by brian 
Physics
How much energy is deposited in the body of a 78 kg adult exposed to a 2.9 Gy dose? Please and thank you.
asked by Trisa 
math help me!
on he teachers baseball team, they are measuring to put the bases down. ms.accardo wants it like a professiona; field. On a professional baseball field, the distance from one base to the next is 90 ft.what is the distance between home plate and second
asked by lammy 
English
I included my corrections in brackets or I rewrote them. Can you please check them? Thank you. 1)Furthermore, she thinks, the children love it and it keeps her husband good, because it is just three hundred meters away from his library. 2)Furthermore, she
asked by Henry1 
Math
Evaluate the expression for each value of n. 6xn n= 21,36,59
asked by Carson 
Trig
What is the vertical asymptote of y=tan(xpi/3)?
asked by Mack 
English
Why are marginalized characters used in literature?
asked by Lauren 
math
Simplify 1 over 2 of 1 over 4 devide 1 over 3 all over 1 over 6 minus 3 over 4 plus 1 over 2
asked by Simplification 
Art History
In my art history assignmnet it says this now choose your favorite of the architectural site at Pompeii. So please help me to find a pompii site. or give me that wibsite. Thanks
asked by Alex 
precalculus
Find the angle between the two sides of length 6 in an isosceles triangle that has one side of length 9 and two sides of length 6. Find using the inverse.
asked by Victoria 
science
what is the recycling of matter
asked by richard landry 
european history
i have to write a DBQ on the different views within France of the Vichy government from 1940 to 1944. I wrote the introductory paragraph, with the last sentence as my thesis. Does it look all right? Germany defeated French troops in May 1940 and drove its
asked by Kris 
physics
When a yellow light shines on a photosensitive metal, photoelectrons are emitted. As the intensity of the light is decreased, the number of photoelectrons emitted per second
asked by ashley  
Math
Use the pythagorean Theorem to solve this problem. A painter places an 11 ft ladder against a house. The base of the ladder is 3 ft from the house. How high on the house does the ladder reach?
asked by MathIsTheBest 
math
simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
asked by kim 
law of cosines
law of cosines m
asked by Anonymous 
algebra
Problem Two: 5/9 + (2/9)x = 25/7 + (6/7)x – 2/3 Multiply figures inside parentheses 5/9 + (1 x 2/9x) = 25/7 + (1 x 6/7x) – 2/3 Collect like signs 5/9 + 2/9(6/7x) = 25/7 + (2/3) Multiply like signs 2 x 6 9 7 Reduce like numbers 2 x 2 = 4x 3 7 21x
asked by aria 
sentence patterns
I need to write a 100 page essay about what would happen if the sun explodes using the 5 sentence paterns please help
asked by clubkay 
physics
Two children are having a splashing competition using a diving board. The first child is very small and jumps lightly off the end of the diving board. The second child, who is much larger, jumps heavily off the board. A. In what way or ways, if any, are
asked by erin 
Algebra
I cannot understand how you worked out this problem Bob. Could you explain the steps you made? Algebra  bobpursley, Wednesday, April 27, 2011 at 10:36am if it is as I wrote it, then (45x/6t)11x= 45*11*x^2/6t = 15*11*x^2/2t= 165x^2/2t Algebra  tish,
asked by aria 
Maths
Make q the subj of relation t
asked by Cyoung 
hcs/552
How does the Afghanistan opium black market affect the U.S. pharmaceutical industry? Discuss the pros and cons of the U.S. pharmaceutical industry engaging the Afghan government about creating a business partnership concerning opium.
asked by Anonymous 
education
can someone please give an example question that can be used to interview a librarian about the issues/trends in children's literature.
asked by carol 
chemistry
how many grams of glucose C6H12O6 would you need to make 250 mL of 1.0 M solution?
asked by amber 
Chemistry
If 25 ml of bromine, a liquid element at room temperature, is added to 100ml of water, what would be the resulting molar concentration of bromine? Please Help me!!!
asked by Tia 
chemistry
if you have 100 ml each of 1.0 m solutions of NaCl,KCl, and CaCl2 which solution would have the largest mass? explain..
asked by lilly 
chemistry
if you have 2 mol of glucose in 4L of solution, what is the molarity of the solution?
asked by lilly 
Trig
What is the period of f(x)= 1/2 tan(3x+pi/2) and 2/3 cos(x/31/2)?
asked by Jen 
Algebra 2
I need a paragraph explaining the relationship between the zeros of the graph of the function and the solutions to the equation.
asked by Brandon 
Math
An airplane takes off in a straight path. When it has traveled 5 km, it is 3 km high. To the nearest kilometer, what is the horizontal distance, d that the airplane has flown over?
asked by Darren 
chemistry
what is the molarity of a solution containing 23g of NaCl in 500 mL of solution? (the molecular mass of NaCl is 58.44.)
asked by lilly 
math
The Zalinsky family can drive the 220 miles to their cabin in 4 hours at 55 miles per hour. Son Jeff claims that they could save half an hour if they drove 65 miles per hour, the speed limit. How long will it take the family if they drive 65 miles per
asked by Gabi 
chemistry
what solution of sugar in water has the highest molarity?
asked by lilly 
Trig
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this?
asked by Jen 
MATH HELP
Law of Gravitationfind an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is negelcted. The gravitational constant is given as G= 6.67428*10^11 m^3 kg^1 s^2 Please give
asked by AKUMA 
Physics Class
The equation describing the motion of an object is y=0.8cos(4.2t+0.32). What is its period?
asked by Paige 
earth
what are the directions of a local wind along a shoreline
asked by dekesha 
biology
could you put the following into order from smallest to largest?? DNA GENE CHROMOSOME
asked by alexis 
math
4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power
asked by kim 
Chemistry
Here's is what I did: Collect water samples from Farm Lane bridge (500 mL minimum)þ Filter water samples using small mesh filter Note: Weigh the dried filter before filtration! Dry the filter in drying oven (~24 hours)þ Weigh the filter after drying. Day
asked by George 
Chemistry
Here's is what I did: Collect water samples from Farm Lane bridge (500 mL minimum)þ Filter water samples using small mesh filter Note: Weigh the dried filter before filtration! Dry the filter in drying oven (~24 hours)þ Weigh the filter after drying. Day
asked by George 
Physics Class
A 965 kg car is driving along a boardwalk. The car's center of mass is 45 cm in front of the rear wheels, and the distance between the front and rear wheels is 2 m. What total force does the car's front tires exert on the boardwalk? Give your answer in
asked by Paige 
Finance
One year ago, you bought a bond for $10,000. You received interest of $400 at the end of the year, as well as your $10,000 principal. If the inflation rate over the last year was five percent, calculate the real return. Show your work.
asked by ky 
finance
Suppose that the price of a stock is $50 at the beginning of a year and $53 at the end of the year, and it pays a dividend of $2 during the year. Calculate the stock’s current yield, capitalgains yield, and the return. Show your work for three separate
asked by ky 
math
An 11 ounce bag of chips costs $1.99 what is the cost per ounce rounded to the nearest cent? What is the cost per pound rounded to the nearest cent
asked by joe 
finance
Use the capitalasset pricing model to predict the returns next year of the following stocks, if you expect the return to holding stocks to be 12 percent on average, and the interest rate on threemonth Tbills will be two percent. Calculate a stock with a
asked by ky 
physics
A car with a mass of 890 kg travels at a speed of 20.0 m/s. Seeing that the road ahead is blocked by a rock slide, the driver applies the brakes, stopping the car. The work of stopping the car becomes thermal energy of the car’s four disk brake rotors;
asked by Anonymous 
finance
Consider the following four debt securities, which are identical in every characteristic except as noted: W: A corporate bond rated AAA X: A corporate bond rate BBB Y: A corporate bond rated AAA with a shorter time to maturity than bonds W and X Z: A
asked by ky 
Math
Sketch the graph of i) g(x) = sqrt(6x  x^2) ii)f(x) = (x^2 2x  3)/(x  3)
asked by Sandhya 
Physics (please help)
Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Eart when the two forces are in direct competition, that is, when the Sun, Moon and Eart are aligned with the Moon between the Sun and the Earth. This alignment
asked by Bon oncle 
math
find the area of the label on a can with a radius of 5.1 centimeters and a height of 2.9 centimeters.
asked by torri 
physics
The two gears, with radii indicated below, have equal teeth spacing and are wellmeshed. In all cases, the large gear is turning at the same, constant angular speed. Rlarge Rsmall A 0.4 m 0.2 m B 0.4 m 0.3 m C 0.8 m 0.4 m D 0.6 m 0.5 m E 0.2 m 0.1 m F 0.6
asked by steve 
nukleus
i have seen for sale fossils of ginger and garlic in antic shop. they look like ginger/garlic but it is rock hard. the price is about $8 each, which seems to be very cheap. the shopkeeper says they were found near a cave. question: if they are really
asked by anwar 
math
Find all real solutions to the following equation: (x^2 7x +x)^(x^2  2x  35)
asked by Diana 
math
Simplify 5(y + 1)
asked by Jake 
College Algebra
Solve the exponential equation algebraically: 2^x+1=5^2x
asked by Chris 
help physics
If you have a pair of vernier callipers which have divisions of 0.05mm what would the absolute error be?
asked by H.T 
chemistry
can someone please explain how to indicate where a label appears in a product? for example: where the label appears in 2[14C]Glycine > AMP
asked by brian 
Trig
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this?
asked by Jen 
Chemistry
A sample of nicotine weighing 0.3204 g was vaporized in a flask with a volume of 487 mL. This sample exrted pressure of 74.3 mm Hg at 20 degrees C. What is the molar mass of nicotine? I know this has to do with N=P*V/R*T. and 1 atm=760 mm Hg. Please help
asked by Ben 
Need help finding website
Im working on my planning. And Im talking about a course I would like to take in the future. Anything related with geology. I am trying to find the costs on TRU/UBC. Cant find it on either one of these sites. Please provide me the link. I would like costs
asked by Anonymous 
MATH
I AM A TWO DIGIT NUMBER LESS THAN 50. IF YOU PUT ME IN GROUPS OF 7, THEN THERE ARE 2 LEFT OVER. THE SUM OF MY DIGITS IS 8. WHO AM I ?
asked by RON 
physics
If you had a more accurate ruler with divisions of 1mm (a standard ruler you would find) what would the absolute error be? (In cm)
asked by H.T 
sentence expression
explain mathematical expression for each phrases like 3 less than a number x
asked by mirna 
Physics ~ please help!
An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.
asked by cr 
Financial Management
What are the advantages and disadvantages of debt
asked by PLouis 
geometry
The lateral area of a prism is 144cm^2 (lateral area is surface area without the bases). If the height is double the width, and the length is triple the width, what is the surface area? I got the answer wrong; its supposed to be 196. Can anyone explain how
asked by Anonymous 
Algebra
Use the five steps for problem solving to answer the following question. Show all work. Andrew is having an irrigation system installed in his yard. Company A charges $1250 plus $15 per sprinkler head. Company B charges $1200 plus $17 per sprinkler head.
asked by Janet 
trigonometry
find the polar form of the complex number: square root 3 minus square root 3i
asked by Anonymous 
MATH
I AM A TWO DIGIT NUMBER LESS THAN 50. IF YOU PUT ME IN GROUPS OF 7, THEN THERE ARE 2 LEFT OVER. THE SUM OF MY DIGITS IS 8. WHO AM I ?
asked by RON 
English
I have a question on my previous post. Why do you say "in the morning I usually have a shower/On the following morning/night I had a shower? I included a few more doubts. Thank you very much. 1)What are you going to do for/during/on (not “in”) your
asked by Henry1 
math
i don't understand long division,i'm looking @ problem now it's 3 div by 224
asked by jaheim 
8th grade physics/science
assume you are standing on a dock and watching the waves pass directly under where you are standing. You count the number of seconds it takes w1,w2,w3 and w4 to pass directly below you. you determine that all four waves below you in two seconds. info: in
asked by hannah 
math
The Pythagorean Theorem will work for any type of triangle. TRUE or FALSE?
asked by Scarlett 
Physics
A movable piston having a mass of 7.26 kg and a crosssectional area of 5.26 cm2 traps 0.250 moles of an ideal gas in a vertical cylinder. If the piston slides without friction in the cylinder, how much work will the gas do when its temperature is
asked by Lauren 
geometry
A polygon has a perimeter of 13 cm. What is the perimeter of its image after a size transformation with a scale factor of 3? Why?
asked by Kasey 
law of sines and cosine
a house is built on a triangle plot of land. two sides of the plot are 160 feet long and they meet at an angle of 85 degrees. if a fence is to be built around the property, how much fencing material is needed
asked by s 
Physics (please help!!)
The moon causes tides because the gravitational force it exerts differs between the side of the Earth nearest the Moon and that farthest from the Moon. Find the difference in the accelerations toward the Moon of objects on the nearest and farthest sides of
asked by Fernando 
Math
A raffle held by Mundane Products has collected 700 entries. They are giving away 40 TVs and 30 stereos. John bought 5 entries for the raffle. What is the probability that John wins exactly one TV as well as exactly one stereo? John just heard that the TVs
asked by Meghan 
maths
I need to buy 100 farm animals with $100.. I need to have brought at least on of each animal. Roosters are $5ea, Hens $3ea and chickens 3 for $1. Can anyone help???
asked by bp 
math
there are 15 kids in the class 1/3 of the class is boys how many boys
asked by Anonymous 
Statistics/Social Psychology
I have collected ssps data and am having trouble taking the data and putting it into a coherent sentence. I can't paste the chart but here is what I have. An independentsamples ttest was conducted to compare the length of jail sentence given based on the
asked by Suzanne 
Geometry
Will an octagon and an isosceles triangle tessellate a plane?
asked by Micah 
science
What causes rocks near a river to become smooth and rounded
asked by Anonymous 
Calculus 1
Let f be the function given by f(x)=3sqrt(x2). A) On the axes provided sketch graph of f and shade the region R enclosed by the graph f, the xaxis, and the vertical line x=8 (already completed just mentioned it for part B.) B) Find area of the region R
asked by Michael 
math
Sinclair has a box of 48 crayons. If 6 are red what are sinclair's chances of pulling out a crayon that isn't red if he chooses without looking?
asked by Yonai tillman 
central
what is a enslave
asked by laquetha 
physics
German silver wire has a crosssectional area of 2.047 x 10^3 cm^2. How many meters are needed to make a resistance of 100 (omega)? I can't find the resistivity of German silver wire. I've googled a few places, but each one gives me a different number.
asked by Sejul 
English
I checked other sentences. Can you please have a look at them. 1) Dorian wishes he would stay young forever while the portrait would grow old in his place (I changed the simple past into the conditional as you told me) 2) The sins committed by Dorian
asked by Henry1 
physics please help
What is the resistance of 125 m of aluminum wire that has a diameter of 0.8118 mm? The resistivity of aluminum is 2.824 x 10^8 (omega) m. I need help with the set up. we've been using R = V/I, but haven't had anything with resistivity. I don't know where
asked by kriti 
science
in 1015 lines critically discuss 5 ways in which the human or environmental problem impact on the community
asked by hloni 
math
4 tenths, 5 hundreds, and 6 hundredths = ?
asked by kyle 
Grade 11 math
A rocket carrying a weather satellite is launched. As it moves through space, the rocket is tracked by two tracking stations located 24 km. apart, beneath the rocket. The 2 tracking stations both lie west of the launching pad. at a specific moment, the
asked by Mhy 
MATH
I AM A TWO DIGIT NUMBER LESS THAN 50. IF YOU PUT ME IN GROUPS OF 7, THEN THERE ARE 2 LEFT OVER. THE SUM OF MY DIGITS IS 8. WHO AM I ?
asked by RON 
Literature quick question
I am doing an argumentative essay on chemtrails and I need some help on the opposing side (what's their agrument). I have 2 points so far and I need three the 2 so far are: 1. Some say that the lines are contrails 2. Some say it's condensation from the jet
asked by Candy 
chemistry
To what volume must a solution of 83.1 g H2SO4 in 505.3 mL of solution be diluted to give a 0.28 M solution? I do not understand this problem. Also as a hint the professor said to use M1V1= M2V2.
asked by tina 
physics
claculate the force of gravity between two identical balls 8kg each, if they are 5m apart?
asked by marion 
Physics
German silver wire has a crosssectional area of 2.047 x 10^3 cm^2. How many meters are needed to make a resistance of 100 (omega)? I don't know where to begin.
asked by Sejul 
physics
claculate the force of gravity between two identical balls 8kg each, if they are 5m apart?
asked by marion 
science
provide 2 institution\community organization that are involve in supporting or giving redress to these disasters .Explain how these organization are involve in providing a safe and healthy environment.suggestion find out about NGO's or other organization
asked by hloni 
social science
investigate which laws and policies address the problem polution
asked by Kamogelo 
proportions
make 3/5 u=in to a percent then round it to nearest tenth
asked by zakaria 
math
The area of a rectangular athletic field is represented by the expression 15x^5+75y^330xy square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include
asked by kozy 
Business
How will demand and supply trends in the highdefinition industry affect the price for HDNet’s programming?
asked by Jenny 
physics
What is the frequency of the EM wave emitted most strongly by a glowing element on a stove with temperature 1,500 K
asked by Mateo 
chemistry
in the chemical equation :2C2H6+7O2>4CO2+6H2O, hOW many moles of c2h6 will you need to form 2.34 mol of co2? How many moles of water will be produced?
asked by kelly 
physics
What is the wavelength of the peak of the blackbody radiation curve for the human body (T = 310 K)?
asked by Mateo 
Physics (please check!!!)
Calculate the magnitudes of the gravitational forces exerted on the Moon by the Sun and by the Earth when the two forces are in direct competition, that is, when the Sun, Moon and Earth are aligned with the Moon between the Sun and the Earth. This
asked by Bon Oncle 
Physical Science
The soup in a bowl is too hot to eat. Although there are no ice cubes in the freezer, there are several stainless steel spoons that have been stored in the freezer for several hours. By placing the cold spoons in the hot soup, the soup's temperature is
asked by Anon 
MATH(interest rate)
JERRY invested $650 at a simple interest rate of 3.5% per year. How much will Jerry have in 8 years.
asked by christomes 
Chemistry
Could someone help out with the second question. Its about reagents. Click the link for the question. img*photobucket*com/albums/v712/DeadMan986/Q2021*jpg All of the . are replaced with * in the link
asked by Jules 
Chemistry HELP!!
A sample of nicotine weighing 0.3204 g was vaporized in a flask with a volume of 487 mL. This sample exrted pressure of 74.3 mm Hg at 20 degrees C. What is the molar mass of nicotine? I know this has to do with N=P*V/R*T. and 1 atm=760 mm Hg. Please help
asked by Ben 
Chemistry
Im stuck on this question. The unusual aspect of functional group replacement of an alcohols hydroxyl group by chlorine by treatment with thionyl chloride is: A)spontaneous creation of a carboccation and SO2 Cl,the ion pair created by SOCl's mechanism of
asked by Erik 
Chemistry
2. what solution can you add to each of the following cation mixtures to precipitate one cation while keeping the other cation in sloution? write complete and net ionic equations for thr precipitation reactons that occur. a) sr+2 (aq) anf Hg+2 (aq) b) ca+2
asked by Alexandria 
Science
I am doing a science project about which juice cleans pennies best. I tried lemon, orange, and apple juice. I did three trials of my experiment. On average, the orange juice cleaned the pennies much better than the lemon or apple juice. My research shows
asked by Natalie 
American Government
This is a matching part and I already got the rest but I can't get these two. Here are the questions from column 1: 1. metropolitan government 2. county government Here are the choices from column 2: d. form of government that began largely in the
asked by Cheryl 
Science
How could you keep an objects acceleration the same if the force acting on the object were doubled?? Can you answer in 5 sentences please
asked by Itiel 
Principles of Mgmt
Discuss the pros and cons of the following statement: “Egalitarian companies are more innovative.
asked by Latonya 
math
what is 50% of 20
asked by steven 
Chemestry
A 1L of buffer was prepared from 0.15 mole of Na2HPO4 and 0.10 moles KH2PO4. a) What is your pH and what is the pH change that adding of 80.0 mL of 0.100 mol L1 NaOH cause? b) What happen to the pH after adding 10.0 mL of 1.0 mol L HNO31.
asked by Margo 
computer question
I have a project and I selected chapter 6 my book is Understanding computer 13th Edition..the question is I will develop a PowerPoint presentation on how computing is expected to impact the field or fields I want to into a career, and in my presentation
asked by erianne 
chemistry
Identify the acid/conjugate base and base/conjugate acid pairs for the following reactions H2CO3(aq) + H2O(l) H3O+(aq) + HCO3 (aq) C5H5N(aq) + H2O(l) C5H5NH+(aq) + OH(aq
asked by jake 
Intro to logic
1. Which is an example of an expressive use of language? A) Others will say that we shouldn't even talk about cutting spending until the economy is fully recovered B) I want you to know that one of the reasons I kept the government open was so I could be
asked by Tito 
Math
Find two integers that make the equation true. Y squared = 100
asked by 7th grader 
Spanis8th grade
Is this correct? Tú salgas la escuela a las ocho.
asked by Jodie 
English
I forgot to include the following sentences. (I'n unsure about the use of the prepositions of location and time). 1)During my journey to Australia I hope I’ll see some typical animals such as koala bears and kangaroos. 2)When we return to Italy, we’ll
asked by Henry1 
physics
A water wave is generated in a ripple tank by an oscillator that vibrates 50 times in 30 seconds. A given trough of the wave travels 50.0 cm in 15 seconds. What is the wavelength of the water wave? Produce all your workings.
asked by ashley  
geometry
Find the equation of the line that passes through the point P (6, 8) and Q (6, 12), and use the information to answer the question.
asked by bob 
language
Is the word tower a predicate
asked by Vincent 
CHEMISTRY HELP!!
Formic acid (HCHO2) is a component of bee stings. It is a weak acid and dissociates according to the equilibrium shown below: HCHO2 H+ + CHO2 Kc = 1.8 x 104 For a 0.5 M solution of formic acid, we wish to determine the equilibrium concentration of H+.
asked by carlo 
8th grade math
A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green? A x 8/225 B x 4/91 C x 12/445 D x 1/225
asked by Lo 
physics
if a car drives over a hill with a radius of 57 meters. At what maximum speed can the car travel without flying off the road
asked by Wendy 
mathematics
3x 4x+2y4y2x
asked by michael 
Turquoise Ring Marking
Does anyone know anything about the marking "MP in a circle" Silver turqoise ring that belonged to my grandmother
asked by Flo 
Grammar
Linking and action verbs. I have 3 sentences not sure what the verb or linking verb is in them. 1. I am happy for my brother. 2. They are quiet in the library. 3. Aris grows flowers in her backyard.
asked by Kam 
MP Marking
Can anyone help me identify the marking on my grandmothers silver and turquoise ring. The marking is MP in a circle.
asked by Flo 
Organic chem
What is the rationale for the nonbasic activity of the nitrogen in pantothenic acid.
asked by Anonymous 
Chemistry
If 25 ml of bromine, a liquid element at room temperature, is added to 100ml of water, what would be the resulting molar concentration of bromine?
asked by Tia 
Psychology
Dr. Gillian explained that research has identified over 25,000 genes which are responsible for the genetic information which progresses from generation to generation. These genes are: a telomeres which cap the chromosome. b located in a specific order
asked by Nicci 
English  Macbeth
Think about Macbeth’s position at the conclusion of Act III. In what ways has his ambition, which allowed him to obtain the Scottish throne in the first place, begun to be detrimental to him? Cite specific examples from the play in your response. What
asked by Kate 
government
Why are political parties created?
asked by Stephanie 
Food
How did the Wrigley company come up with the name of orbit gum??
asked by Hannah 
Geography
Review the cities located within the following longitude and latitude coordinates: 7080 West Longitude and 3040 North Latitude. Next, consult your local newspaper or other resource for the weather in these cities. Choose one of the cities found within
asked by surfsupmel 
geometry
what is the surfaceareatovolume ratio for a rectangular prism with edge lengths 6, 5, and 9?
asked by baber 
English
Were all my corections OK (except complimentary?). I’d like you to check the following clothes’ descriptions as well as a few journey’s arrangements (in particular the use of prepositions of location or of time with “holiday”, “hotel”, and
asked by Henry1 
physical science
There is a net passage of 4.5 1018 electrons by a point in a wire conductor in 0.26 s. What is the current in the wire?
asked by Eric 
physics
Which of the following confirms the wave nature of particles? a. Photoelectric effect b. Rutherford's alpha scattering experiment c. de Broglie waves d. Young's double slit experiment
asked by ashley  
ecommerce
The business plan should include the concepts and ideas covered during the past several weeks. The following points need to be addressed in your business plan for the establishment of an ecommerce site: The ecommerce infrastructure Marketing concepts for
asked by d 
precalculus
find lim y. and lim y x>infinity. x> negative infinity 1.) y= (x + sinx)/x 2.) y= x/ (1+ 2^x)
asked by Yoshi 
hcs/552
In terms of supply and demand, is price the only thing that matters? Which economic staple, supply or demand, does the health care reform bill affects the most?
asked by Anonymous 
Algebra 2 review
In triangle ABC, the ratio of the measure of angle A to the measure of angle B is 3:5. The measure of angle C is 20 more than the sum of the measure of angles A and B. What is the measure of each angle in triangle ABC?
asked by Beth 
VB
Programming in Visual basic 2008 exercise 11.5 Create a project that store personal information for a little electronic “Black Book” the fields should include name, phone number, pager number, cell phone number, voice mail number and email address.
asked by Phanel 
bio
this type of muscle is what the heart is made of
asked by Anonymous 
social
sites to help you advertise
asked by rena 
physics
Find the crosssectional area of copper wire that is 55.4 m long and has a resistance of 0.943 ohms. The resistivity of copper is 1.79 x 10^8 ohms m.
asked by katie 
Chemistry
What is the total energy transfer(in KJ) when 10.00 pounds of water vapor at 110 degrees C becomes ice at 253K? Assume that the specific gravity of water = 1.00.
asked by Tyler 
lanuage
is thissentence punctuated correctly? "the hardware store down the street, which had been paved recently,is open until midnight five days a week."
asked by melisa 
Chemistry
If the pOH of a solution is determined to be 5, what is the pH of the solution?
asked by Tia 
Math
You choose a head coach and an assistant from a group of 12 applicants. How many different groupings are possible? I know it is either 24 for a double combination of 12  or I was thinking for number of possibilities it could be 12x11 = 132? Can anyone
asked by Jess 
algebra 2 review
A training ring for horses is an oval formed from a rectangle with two semicircles on either end. Rounded to the nearest foot, how many feet of fencing is required to surround the entire ring with a fence?
asked by Beth 
Chemistry
Can you determine the pH of a 1 liter solution having an H concentration of 1.0*10 to the negative 3.5
asked by Tia 
math
Amy has $200 less invested at 9% than she does at 6.5%. If the annual return from the two investments is the same, how much is invested at each rate?
asked by Robert 
Geometry
Why is the apothem of an equilateral triangle one third its height?
asked by Liana 
math
solve x in terms of a b and c: bx+a=c i have x= ___a=c____ b is this correct?
asked by Anonymous 
Human Growth & Development
How might crystallized & fluid Intelligence help middleaged people deal with novel situations & prblems?
asked by Elicia 
chemistry
0.5 L of a 0.30 M HCl solution is titrated with a solution of 0.6 M KOH. a)What is the pH before addition of KOH? b)What is the total number of moles of acid? c)What is the pH after addition of 125 mL of KOH solution? d)What volume of the KOH solution is
asked by Joe 
Business Law Ethics
I'm not sure how to go about doing this. I feel like it's an easy question but im thinking to far into it. I want to say that Davis would be the first person to be let off & Carter would be the last person to be let off. I'm not sure what order the rest
asked by Josh 
Metis of the Red River
About the Conflict that occurred between the Selkirk settlers and the Metis, could there have been any way to prevent it? Like could a peaceful solution have been found?
asked by Anonymous 
Chem
A solution is prepared by adding of KOH to 1 liter of water. The resulting solution has an [OH] of 1*10 to the negative 3. What would be the pOH of this solution?
asked by Carla M 
English
I did the corrections myself. Can you please check them? I just wanted to know if it is better to say "at Medford Square or in Medford Square, "to leave Turin for Rome", "to leave from Turin and go to Rome", "on" OR "during" our last night in Rome?". I
asked by Henry1 
Please HELP CHEM
How many grams of CaCl2 would be required to be added to water to prepare 1liter (1000ml) of a 1.72% (w/v) aqueous solution of CaCl2?
asked by Tina 
Calculus
Find the following interval: (2e^(2sqrt(y))/sqrt(y))
asked by Elena 
Chemistry
Could someone answer this. Im stuck on it. In general, the most elegant way to add one carbon with an OH on it to a primary alkyl halide: A)Convert the alkyl halide to a grignard and add formaldehyde, followed by H3O B)Convert the alkyl halide to a lithium
asked by Anonymous 
physics
The physics of electric field between two charges. What is the magnitude and direction of the electric field at a point midway between a 8.0 ìC charge and a +6.0 ìC charge? The 8.0 ìC charge is 4.0 cm to the left of the +6.0 ìC charge. If a charge of
asked by aly 
Chemistry
I think the answer to this question is choice C, but im not sure. I have to find the product for this question. img*photobucket*com/albums/v712/DeadMan986/Q38*jpg The * in the link should be .
asked by Jules 
math
the length of a rectangle is 4cm less then twice its width. the perimeter of the rectangle is 34cm. what are the demensions of the rectangle?
asked by Anonymous 
physics
The physics of an electron falling through a potential difference. How much kinetic energy will an electron gain (joules) if it falls through a potential difference of 350 V?
asked by aly 
Metis of the Red River
About the Conflict that occurred between the Selkirk settlers and the Metis, could there have been any way to prevent it? Like could a peaceful solution have been found?
asked by Anonymous 
physics
The physics of electric potential energy at one corner of a triangle. Two charges, q1 = +5.0 ìC and q2 = 2.0 ìC are 0.50 m apart. A third charge, q3 = +6.0 ìC is brought from infinity to a spot 0.50 m from both charges so that the three charges form an
asked by aly 
6th Grade Math
A rectangular packing crate that is 3 feet wide, 4 feet high, and 6 feet long is used to ship jewelry boxes that are 1 foot wide, 1foot long, and 1 foot high. V=lwh. What is the volume of the rectangular packinging crate? I think it's 72 cubic feet. IS
asked by Math..Please Help! 
maths
here is a rectangle with a width of 15.7 centimtres the perimeter of this rectangle is 85 centimetres calculate the lengh of the rectangle
asked by taila 
Chem
If 25 ml of bromine, a liquid element at room temperature, is added to 100ml of water, what would be the resulting molar concentration of bromine?
asked by Carla M 
math
Is it reasonable for a 7th grader to use a calculator for math?
asked by Stacy 
physics
I need to know the resistivity of german silver wire. I've looked at a few Google sources and I've seen several different results. Anyone know which value I should use?
asked by Sejul 
MATh
JERRY invested $650 at a simple interest rate of 3.5% per year. How much will Jerry have in 8 years.
asked by christomes 
Chemistry still don't understand the answer
How many ml of a 2 M solution of HCL would be needed to neutralize 2 ml of a 5 M solution of KOH?
asked by Tia 
calculus
x+4/5 + 5x/4=37/10
asked by Anonymous 
Trig
If two runners determine the angle of elevation of a hot air ballon is 24.5 degrees and 22 degrees. The hot air ballon is 1500 feet directily above a point on the highway east of both runners. How far apart are they? A trigonometry question.
asked by Mackenzie 
Math
Could someone answer this question so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $100 per unit [p(0)=100], and there is a weekly demand of 8 units
asked by Anonymous 
Metis of the Red River
How were the Metis of the red river selfsufficient? They do farming. Grow vegetables, and all that food. Please help?
asked by Anonymous 
PHysics
A dragster maintains a speedometer reading of 100 km/h and passes through a curve with a constant radius. Consider the following forces: I) air drag pushing back on the car; II) gravity pulling down on the car; III) the ground pushing up on the car; IV)
asked by Leslie 
Calculus
Use fundamental theorem of calculus: Int(pi/2_pi) of e^(sin(q))*cos(q)dq
asked by Rachel 
Math
Estimate to the nearest integer. Square root of 40.
asked by Adam 
Physics
A 37 ohm lamp and a 59 ohm lamp are connected in series and placed across a potential of 43 V. What is the equivalent resistance of the circuit? Answer in units of ohm. What is the current in the circuit? Answer in units of A. What is the voltage drop
asked by Maria 
algebra
The area of a rectangular athletic field is represented by the expression 9y^2  25z^2 square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include correct
asked by carol 
math
someebodyyyyyyyyyyyyyyy help stuck in pre algebra hw!!!!!!!!!!!!!!!!
asked by Anonymous