
Geometry
in two congruent triangles the ratio of lengths of two corresponding sides is 5:8. If the perimeter of the larger triangle is 10 ft less than twice the perimeter of the smaller triangle find the perimeter of each triangle
asked by Amy on February 12, 2017 
Repost Algebra
What would it cost for ingredients , per cookie, to make 100 cookies? C=100/4x28 is the equation given to find the cost. (Cost is equal to 100 over 4x minus 28)
asked by Shannon on October 24, 2011 
Gr. 10 CIVICS!!!!please HELP!! :(
can u please help me find a picture that shows one of the element in a democracy. the element is Being Informed and Getting Involved. the picture has to fulfill this element. thanks .u can just paste the site of the picture.
asked by ARIAS on May 1, 2009 
Gr. 10 CIVICS
can u please help me find a picture that shows one of the element in a democracy. the element is Being Informed and Getting Involved. the picture has to fulfill this element. thanks .u can just paste the site of the picture.
asked by airas on May 1, 2009 
calculus
find the equation of a quadratic function whose graph is tangent at x=1 to the line whose slope8, tangent at x=2 to solve the line with slope4 and tangent to the line y=8
asked by erika on February 28, 2011 
Menus ration
a perimeter of a trapezium is 55cm and its non parallel sides are 8 cm and 7cm the difference between the length of parallel sides is 5 cm. find the lengths of the parallel sides
asked by Athirika on January 27, 2013 
Math
The perimeter of a rectangular soccer field is 20/3 meters. If the width of the soccer field is the reciprocal of the length, find the dimensions of the soccer field.
asked by Bianca on September 22, 2012 
Algebra
The edge of one cube is 5cm shorter than the edge of a second cube. The volumes of the two cubes differ by 875cm^3. Find the edge of the smaller cube.
asked by Penny on January 29, 2013 
math (algebra honors)
The edge of one cube is 2 cm shorter than the edge of a second cube. The volumes of the two cubes differ by 386 cm^3. Find the edge of the smaller cube using factoring.
asked by K.S. on February 27, 2011 
CALCULUS!!!
case 1. Find the absolute maxima and minina values of f(x)=sin2x+cos2x on [0, pie] Specify both the x and y coordinateof the absolute maximum and absolute minimum. Gives answers in exact form. case 2. Use the second derivative test for relative maxima nd
asked by Mae on June 24, 2007 
college physics
A student moves a box of books by attaching a rope to the box and pulling with a force of 80.0 N at angle of 45o. The box of books has a mass of 25.0 kg and the coefficient of kinetic friction between the bottom of the box and the sidewalk is 0.43. Find
asked by amber on October 21, 2012 
math stats
you draw from a deck. if you get a red card you win nothing. if you get a spade you win $5. for any club you win $10 plus an extra $20 for the ace of clubs. A. create a probability model for the amount you win. B. Find the expected amount you will win. C.
asked by jessica on October 3, 2011 
math
In 1980, the population of a certain country was about 161 000. since then the population has decreased about 1% per year. a. find an equation to model the population since 1980 b. estimate the population in 1990 c. suppose the current trend continues.
asked by jefferson on November 16, 2011 
chemistry help
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants? 2Na(s)+Br2(g) >2NaBr(s) 1. 2mol Na, 2mol Br2 2. 1.8mol Na, 1.4mol Br2 3. 2.5mol Na, 1mol Br2 4. 12.6mol Na, 6.9 mol Br2
asked by Kimmie on September 24, 2014 
math 8th grade
Face cards are removed from a standard deck of cards and the rest are set aside. two cards are drawn at random from the face cards. once a card is selected, it is not replaced. Find each possibility. P(jack and then king)? P(two black cards) answer 1/2 ?
asked by jill on April 13, 2015 
Math repost
trapezium ABCD, with AB and DC being parallel, with diagonal connecting A and C, angle ABC is 86, angle ADC is y, angle dac is 66 and angle bac is x, no angle given for bcd or bca or acd. find x and y, So I said that BCD is 94 deg, but then I get stuck I
asked by Evie on February 5, 2014 
chemistry
Find the molar masses of the following compounds: 1. LiI 2. PbCO4 3. Mg(OH)2 4. (NH4)3PO4 Find the percent composition (percent by mass) of the given element in the following compounds: 1. Fluorine in AgF 2. Hydrogen in glucose (C6H12O6) 3. Oxygen in
asked by Alex on March 2, 2015 
art
A sculptor creates a bust of a famous politician out of marble and places it in the outdoor courtyard of the capitol building. Why did he chose marble? A. he wanted to honor the politition by using expensive material. b. marble is cheap and east to find C.
asked by meow on January 19, 2016 
A number thoery question
Please help me! Thank you very much. Prove Fermat's Last theorem for n=3 : X^3 + Y^3 = Z^3 where X, Y, Z are rational integers, then X, Y, or Z is 0. Hint: * Show that if X^3 + Y^3 = Epsilon* Z^3, where X, Y, Z are quadratic integers in Q[sqrt(3)], and
asked by kate on November 15, 2006 
cHEMISTRY
GIVE THE EMPIRICAL FORMULAE OF THE HIGHEST HYDRIDE AND HIGHEST FLUORIDE OF UNUNHEXIUM, EXPLAINING HOW YOU ARRIVED AT YOUR CONCLUSIONS Here is the web site for a very good periodic table. Look for element #116, Uuh. Elements in the periodic table have
asked by Gemma on February 6, 2007 
Religion Correction/edit
I have to find the following for Hinduism. can someone correct them for me please. what i need to find: Country of origin My answer: India Historical figures and events My answer: Theres no founder. Hinduism was developed out of Brahminism Central
asked by kailin on January 17, 2007 
Chemistry
Read earlier posts on this question and still find my self confused. The question being H2SO4(aq) > 2H^+ (aq) + SO4^2 (aq). A 21g sample of sulfric acid dissolved completely in sufficient water to make a 0.25 l of final solution. Calculate hydrogen ion
asked by SOS mature student on February 18, 2007 
math
The sum of the angles of a triangle is 180 degrees. In the figure below angle B and angle C are the same size. If angle A is 54 degrees smaller than angle B. Find the measure of each angle.
asked by Anonymous on January 26, 2016 
math
Amy bought some stationary from a bookstore. The total cost of 3 files A,B,C was $5.60 more than the total cost of 4staples. A cost $1.90 less than each of the other 2files. B cost $4.20 more than each staple. Find the cost of C
asked by Gav on September 23, 2011 
stats 101
how do you find the lower class limit,upper class limit, class width, class midpoint, and class boundaries from a set of frequencies data
asked by kelly on July 30, 2012 
Algebra
A triangle has a perimeter of 32 inches. The medium side is 7 more than the short side, and the longest side is 3 times the length of the shortest side. Find the shortest side. 32=s+m+l m=s+7 l=3s 32=s+m+l 32=s+s+7+3s 32=5s+7 7 7 25/5s=5s/5s 5=s
asked by Keonn'a Tarvin on August 29, 2018 
Algebra
A triangle has a perimeter of 47 inches. The medium side is 5 more than the short side, and the longest side is 4 times the length of the shortest side. Find the shortest side.
asked by Keonn'a Tarvin on August 29, 2018 
math
I'm trying to find the convolution f*g where f(t)=g(t)=sin(t). I set up the integral and proceed to do integration by parts twice, but it keeps working out to 0=0 or sin(t)=sin(t). How am I supposed to approach it? integral (sin(u)sin(tu)) du from 0 to t.
asked by chuck on December 3, 2009 
algebra
a 38 inch piece of steels is cut into three pieces so that the second piece is twice as long as the first piece, and the third piece is three inches more than four times the length of the first piece. find the lengths of pieces.
asked by maria on April 4, 2016 
maths
the classmarks of classes in distribution are 6,10,14,18,22,26,30.find (a)class size (b)lower limit of second class (c)upper limit of last class (d)third class Explain in detail.
asked by ujjval on February 24, 2013 
math
Um... i cant find anything about this in the textbook, help??!! 1. m  7 < 6 (1 point) m < 1 m > 1 m < 13 m < 13 2. x + 4.5 > 5.5 (1 point)  x > 10  x > 1  x > 0.1  x < 1  3. p + 12 > 9 (1 point) p > 21 p > 3 p > 21 p > 3 4. Translate the
asked by TTR+S<3 on January 3, 2014 
Math(Factorial)
A women student is to answer 10 out of 13 questions on a test. Find the number of choices where she must answer: (a) the first two questions; (b) the first or second questions but not both; (c) exactly 3 out of the first 5 questions (d) at least 3 of the
asked by Anonymous on April 9, 2014 
Research Writing
How do you do this? I am lost. My topic I chose is Homeless. Summary of the Research Process I. Begin the project. A. Think about the assignment. B. Analyze your audience and the purpose for which you are writing. C. Select an appropriate topic. D.
asked by Doris on August 26, 2008 
Science
I need to write a paper (15002500)on Scientific Inquiry. I need to answer the impact society has had on the progress, if ethical or moral values figure into the research and sharing of information. I have used different search engines, but none have come
asked by Kally on April 26, 2008 
Calculus 2 (Series)
Can anyone help me start this problem from beginning to end, along with explanations on how to go about the problem for a better understanding how to do this series problem? 1) Find the values of p for which the series is convergent. Summation notation
asked by Sena on April 6, 2015 
EnglishScarlet Letter
1.How do the male characters treat, or talk about the female characters? 2.If the female characters had a power what kind will it be? Economical, Psychological, Social, Political , etc and Why? 3. Dimmesdale punishes himself because he wants redemption. I
asked by JESSICA on January 21, 2015 
Creative thinking in preschool
Creative thinking in children is like creative thinking in adults in that they both: a. have experiences that are complex, challenging, and creative. b, have intelligence that develops onto skill. c. lack inhibition when responding to external stimuli. d.
asked by GALEN on November 7, 2014 
Intro to Algebra
In 19977, a math professor bought her condominium for $60,000. The value of the condo has risen steadily so that in 2007 real estate agents tell her the condo is now worth $750,000. Find a formula to represent these facts about the value of the condo V
asked by Hailey McCarthy on September 10, 2016 
Calculus
How would i start this problem? The amount that workers contribute monthly for health care insurance premiums can be modeled by A(t)=0.07t^33.1t^2 + 54.3t230, where A is the monthly amount contributed and t is the number of years after 1980. Find the
asked by Marilyn on October 19, 2009 
calculus homework help stuck
Let s(t) denote the position of a particle at time t, and let v and a be the velocity and acceleration respectively. The particle is moving according to the data a(t)=10sin(t)+3cos(t) s(0)=4 s(2pi)=1 find a function describing position of particle
asked by the dude on November 22, 2017 
Math
An open box is to be made from a 11 inch by 11 inch piece of cardboad. this box is constructed by cutting squares that measure x inches on each side from the corners of the cardboard and turning up the sides. Use a graphical calculator to find the height
asked by Des on December 13, 2012 
math
The minimum daily value (MDV)for certain foods are given. They are based on a 2,000 per day diet. Find decimal and fractional notation for the percent notation in each sentence. (a) 1 ounce of tostitos provides 9% of the MDV of fat. (c) 1/2 cup of
asked by Peggie on September 2, 2008 
Physics
A 600kg weather ballon is designed to lift a 4000kg package. What volume should the ballon have after being inflated with helium at standard temperature and pressure so the total load can be lifted up? The problem asks for volume. Take it a step
asked by Daniel on November 10, 2010 
Math
James uses a measuring wheel to find the length of a crosscountry race course he holds the handle and rolls the wheel along the course.The wheel has a radius of 1 foot and it turns 2,000 times from the beginning to the end of the race course, how long is
asked by Jaiden on March 12, 2013 
Physics
A 600kg weather ballon is designed to lift a 4000kg package. What volume should the ballon have after being inflated with helium at standard temperature and pressure so the total load can be lifted up? The problem asks for volume. Take it a step
asked by Daniel on November 11, 2010 
physics
An electric motor exerts a constant torque of 10N⋅m to the shaft of a grindstone with mass 16kg and radius 0.5m. If the system starts from rest, find (a) the rotational kinetic energy of the grindstone after 8s, (b) the work done by the motor during this
asked by joy on April 22, 2018 
Physics
A lump of lead with mass 0.5kg is dropped from height of 20m onto a hard surface it doesn't rebound but remains there at rest for a long period of time. A, find change in heat , change in work, change in internal energy for the lead during this process?
asked by Faf on December 22, 2016 
Physics
A lump of lead with mass 0.5kg is dropped from height of 20m onto a hard surface it doesn't rebound but remains there at rest for a long period of time. A, find change in heat , change in work, change in internal energy for the lead during this process?
asked by Faf on December 22, 2016 
p
A roller coater has a first drop of 140 meters and then enters a circular loop. Find the maximum radius of the loop such that the coaster never leaves the track at the top of the loop. Using the radius found in part 1, calculate the largest centripetal
asked by Mary on April 9, 2012 
Physics
A lump of lead with mass 0.5kg is dropped from height of 20m onto a hard surface it doesn't rebound but remains there at rest for a long period of time. A, find change in heat , change in work, change in internal energy for the lead during this process?
asked by Yeabsera on September 29, 2018 
chemistry
Question: how to solve for a 28.4 L sample of methane gas is heated from 35.0° C to 76.0° C. The initial pressure of the gas is 1.00 atm at 35.0° C. Assuming constant volume, what is the final pressure of the gas? Could someone give me the setup for
asked by sandy on November 22, 2011 
Physics
A polevaulter of mass 59.9 kg vaults to a height of 5.9 m before dropping to thick padding placed below to cushion her fall. (a) Find the speed with which she lands. m/s (b) If the padding brings her to a stop in a time of 0.48 s, what is the average
asked by Priyanka on March 16, 2012 
Physics
A uniform ladder of mass 30kg and length 5m rest against a smooth vertical wall with its lower end on a rough ground. The coefficient of friction is 0.4.the ladder is inclined at 60 degrees to the horizontal. Find how far a man of mass 80kg can climb
asked by Steven on October 20, 2018 
phisics
a car starts from rest and is accelerated uniformly and the rest of 2m/s2 for 6seconds it then maintaining a constant speed for half a minutes.The brake are then applied and then vehicles unifomly restarted to rest in 5seconds.find maxmum speed in km/h and
asked by sam on November 8, 2016 
BUSINESS
1. You've told Dan, a new contact, that you're looking for a qualified sales representative. Now you want to find out if there's any way you can help his business. What's an effective way to approach the question? A. Give him your business card and tell
asked by Beatrice on February 11, 2014 
chemistry
State how you would prepare each solution: 1) 455g of a solution of C3H5(OH)3 in water in which the mole fraction of glycine is .250 2) 755g of 1.4 molality solution of napathalene C10H8 in benzene C6H6. My instructor told us to find the amount of grams in
asked by Amid on January 28, 2014 
??????????!!!!!!!!!!!!!!!!!
Hello! I am a new teacher and was wondering what great websites I can go on to find free worksheets, bulletin board themes, etc. for prek! I know it's not homework, but it just seems that there isnt a lot of good websites (well, that I cant find! ;))
asked by Websites Please! on November 13, 2006 
Chemistry
In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was
asked by Linda on May 7, 2007 
history
i am not quite clear why the No child left behind act has been called unconstitutional. Many articles that I've read say that it is because it requires states to pay to go forth with the program. It violates the spending clause but can anyone explain
asked by maggie r on April 19, 2008 
business english
During a group meeting when they are each reading a draft of their formal report, Madiha and Anne realize that sometimes they have used the word "there" correctly and sometimes the word should be "their." They use their word processor's "find" feature to
asked by sososola2012 on February 9, 2012 
Physics
A revolving door consists of four rectangular glass slabs,with the long end of each attached to a pole that acts as the rotation axis. Each slab is 2.60m tall by 1.50m wide and has mass 39.5 . Find the rotational inertia of the entire door. If it's
asked by Lauren on July 5, 2012 
CULTURAL DIVERSITY
PLEASE REVISE. THAN YOU This group is the same as a subordinate group. A defining feature of this group is that its members have less control or power over their lives than do members of dominant groups. Minority Group This describes the social structure
asked by Rimmy on April 3, 2009 
trig
To guard against a fall, a ladder should make an angle of 75o or less with the ground. What is the maximum height that a 20foot ladder can reach safely to the nearest tenth of a foot? in my diagram I set it up using the sin function since I want to find
asked by Anonymous on June 2, 2014 
business 110
I am taking a business class and I cant find an aswser for this question can someone help? Cory is at the top of her companys organization chart. Which of the following is most likely to be her job title? Choose one answer. a. executive manager b.
asked by sharon on February 20, 2012 
Physics
Take the radius of the earth's orbit to be 1.5 x 1011 m. a. Using a year to be 365 days, find the speed of the earth as it moves around the sun. __m/s b. Convert this speed to miles/hour (show your conversion factor in your written backup). __miles/hour
asked by Kelly on March 5, 2012 
calculus
Find two unit vectors that make an angle of 60° with v = ‹3, 4›. Give your answers correct to three decimal places. I'm not sure what to do here; I believe that I use to definition of a dot product (or maybe cross product) with relation to the trig
asked by angles on August 24, 2011 
science/math
write and solve an algebraic equation to find the original mass of the sample of the radioactive isotope uranium 235, which has a halflife of 704 million years your sample is about 700 million years old and weighs 120 grams
asked by Justin on November 27, 2012 
statistics
A researcher is interested in estimating the average salary of teachers in a large urban school district. She wants to be 95% confident that her estimate is correct. If the standard deviation is $1050 (σ = 1050), how large of a sample is needed to be
asked by jr on October 29, 2012 
research paper
i have to include these questions in my report, and i can't seem to find them anywhere, any help? What influences may China and India have on other Asian countries as their economies begin to emerge on the global scene? What benefits have American
asked by devon on February 10, 2008 
Chemistry
My prelab is telling me to find the initial concentrations of I(^) and S208(^2) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the
asked by Louise on October 4, 2014 
Physics
A 1lb stone is heaved vertically upward with a speed of 40 ft/s from the top of a 100ft cliff, and it hits the water below 100ft below (narrowly missing the thrower on the way down). WATCH YOUR UNITS!! Find the stone's a) Total energy at time zero (set
asked by Addie on April 28, 2012 
algebra
For problems 13 and 14, assign each letter and a blank space to a number as shown by the alphabet table below. Use the code [1,2_3,7] encode the phrase "ONE QUESTION TO GO" The matrix C=[1,2_3,7] was used to encode a phrase to
asked by lee on April 4, 2013 
physics
a yoyo of mass 440kg measuring 0.9m in radius was dropped from a platform 63m high. One end of the string was tied to the platform, so the yoyo unwinds as it descends. Assuming the axle of the yoyo has a radius of 0.2m, find the velocity of descent at
asked by samantha on December 29, 2010 
Physics
A 1480 kg automobile has a wheel base (the distance between the axles) of 2.9 m. The center of mass of the automobile is on the center line at a point 1.34 m from the front axle. Find the force exerted by the ground on each back wheel. The acceleration of
asked by DW on November 9, 2013 
Physics
On the map, let the +xaxis point east and the +yaxis north. An airplane flies at 990 km/h northwestward direction (i.e., midway between north and west). Find the components of its velocity. Repeat for the case when the plane flies due south at the same
asked by Anonymous on January 26, 2017 
Chemistry
My prelab is telling me to find the initial concentrations of I(^) and S208(^2) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the
asked by Louise on October 4, 2014 
Physics Circular Motion
A swing ride at a carnival consists of chairs that are swung in a circle by 13.5m cables attached to a vertical rotating pole. Suppose the total mass of a chair and its occupant is 170 kg, the angle θ = 53° with the vertical pole. Find the speed of the
asked by Jayesh on February 20, 2015 
Physics
Two fully charged capacitors (C1 = 2.00uF, q1=6.00uC,C2=8.00uF, q2 = 12.0 uC). The switch is closed, and the charge flowed until equilibrium is reestablished, which occurs when both capacitors have the same voltage across their plates. Find the resulting
asked by Eric on February 17, 2010 
Chemistry
My prelab is telling me to find the initial concentrations of I(^) and S208(^2) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the
asked by Louise on October 4, 2014 
chemistry
15.0g of potassium trioxocarbonate(v) was crushed as heated with 0.1g of manganese (iv)oxide. 1) write the equation for the reaction. 2) calculate the mass of components produced assuming the reaction was complete. 3) find the volume of oxygen produced at
asked by Anonymous on June 16, 2019 
physics
an insulated circular ring of diameter 6.50cm carries a 12.0 A current and is tangent to a very long, straight insulated wire carrying 10.0 A of current. find the magnitude and direction of the magnetic field at the center of the ring due to this
asked by jennifer on March 30, 2011 
Trig
Half angle identities Find exact values of a) cos 1/2 b) sin 1/2 c) tan 1/2 based on: cos = 1/5 greater than 270 deg less than 360 deg. I get a)  rt 3/5 b) rt24/5 and c) does not work out at all .... Help please.. book says for answers a)rt15/5 b) rt10/5
asked by Don on January 1, 2012 
Math
maria's bicycle has a diameter of 64 cm. as she rides at the speed of 21.6 km/h, she picks up a stone in her tire. draw a graph that shows the stone's height above the ground as she continues to ride at this speed for 2 s more. can someone please help me
asked by Allison on December 11, 2010 
physics
In a particular crash test, an automobile of mass 1369 kg collides with a wall and bounces back oﬀ the wall. The x components of the initial and ﬁnal speeds of the automobile are 10 m/s and 1.9 m/s, respectively. If the collision lasts for 0.18 s,
asked by Anonymous on December 23, 2012 
Physics
A 17.9 kg block is dragged over a rough, hor izontal surface by a constant force of 74.1 N acting at an angle of angle 32.3◦ above the horizontal. The block is displaced 72.4 m and the coefficient of kinetic friction is 0.242. Find the work done by the
asked by Kaylee on June 22, 2014 
Calculus
These are the two problems from my homework I don't get.. can you help me? A: y=2xx^3 [0,1] use the limit process to find the area of the region between the graph of the function and the xaxis over the given interval. Sketch the region B:
asked by Wesley on December 5, 2011 
Physics  please, I really need help
a car attempts to stop and slides 25.5m while accelerating at 4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but
asked by Sam on February 3, 2009 
Calculus
A hot air balloon headed due east at a speed of 20 miles per hour and at a constant altitude of 180 feet passes directly over an intersection. Find an expression for the balloon's distance d (measured in feet) from the intersection t minutes later.
asked by Elizabeth on September 26, 2012 
math
An open box is to be made from a square piece of material by cutting fourcentimeter squares from each corner and turning up the sides (see figure). The volume of the finished box is to be 576 cubic centimeters. Find the size of the original piece of
asked by Anonymous on February 10, 2017 
Math
The amount of nitrogen dioxide A in parts per million (ppm) that was present in the air in the city of Homer on a certain day in June is modeled by the function A(t) = 2t^2 + 32t + 12, where t is the number of hours after 6:00 A.M. Use this function to
asked by Bryce on June 14, 2012 
Math
Find the rotation in revolutions per minute given the angular speed and the radius given the linear speed and the rate of rotation. 1. w= 2.7 rad/s 2. v=24.8 m/s, 120 rev/min 3. w= 4/3Pi rad/hr Please help me with these problems! I am a visual learner and
asked by Sarah on May 2, 2016 
engineering
b) The crank OA of a mechanism, as shown in the figure, rotates clockwise at 120 r.p.m. The lengths of various links are OA = 100 mm ; AB = 500 m ; AC = 100 mm and CD = 750 mm. Find by instantaneous centre method: 1. Velocity of point C. 2. Velocity of
asked by Ali on December 30, 2016 
Physics
Given: The universal gravitational con stant is 6.672 × 10−11 N m2/kg2. Objects with masses of 152 kg and 269 kg are separated by 0.45 m. A 53.5 kg mass is placed midway between them. Find the magnitude of the net gravitational force exerted by the
asked by Bob on May 3, 2012 
Washington state history
How did OPEC’s oil embargo directly affect Washington? A.It caused fuel shortages B.It caused many oil workers to find other jobs. C.It led to a steep drop in gas prices. D.It led to the closing of local drilling operations.
asked by jason on June 6, 2017 
Calculus
a sandbag is dropped from a balloon at a height of 60 meteres when the angle of eleveation to the sun is 30 degrees. find the rate at which the shadow of the sandbag is traveling along the ground when the sandbag is at a height of 35 meters. hint: the
asked by Anonymous on November 9, 2009 
statistics
Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and standard deviation of 1.00 degrees C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to p
asked by sandy on October 30, 2014 
Physics
A 62 kg water skier, moving at 14 m/s , lets go of the towline. a.Find her momentum. 868kgm/s b.What impulse is needed to bring her to rest? 868Ns c.If the water exerts an average force of 275 N on the skier, how long must the force act? 3.16 s d.How far
asked by DB on January 4, 2012 
Physics
A 20 kg rod is 3 meters long and is attached to the wall by a hinge at point A and is held at the angle indicated by cable BC. Find the force in the cable and the forces in the x and ydirections at the hinge A. (center of mass in middle of rod downwards)
asked by Beth on April 10, 2011 
math
a tray with a square base is to be made from a square piece of cardboard by cutting 5 inch squares from each corner and folding up the sides. If the box is to hold a volume 520 cubic inches, find the length of the piece of cardboard that is needed.
asked by Noel on March 11, 2015 
Chemistry
im not quite sure what to do with this problem... the info I have: balanced equation= (CuCl2*2H20)=>CuCl2+2H2O initial mass of copper compound: 0.94g Q: use stiochiometry to find the theoretical yield for the mass of copper (II) chloride we also used
asked by Sophie on February 28, 2010
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