
Algebra
My textbook didn't thoroughly explain this unit very well and now I'm having trouble solving this problem. Can someone help me? Find the length of the missing side of a right triangle if the hypotenuse(hyp) is 4(radical) 3 and the opposite leg(opp) is 2.
asked by Kathy, on May 4, 2019 
Maths
With the matrix A = (0 6 4 12) I have calculated the inverse of (1/2 1/4 1/6 0) I'm then asked to find the equation of the image f(C) in the unit circle C, in the form of ax^2 +bxy+cy^2=d, where a, b, c and d are integers. I have currently got; (40x^2
asked by s17 on February 15, 2017 
math
Miguel cuts a square with a 5inch sides out of a circle with a 12inch diameter. Find the area of the remaining piece to the nearest tenth. I don't undersand how to figure ou the problem.
asked by Lilly on February 17, 2009 
math
Mary Fairfax Somervilee was a nineteenth century mathematician in England. To discover the year in which she was awarded a silver medal for her solution to the Diophantine equation, find the value of the following expression: 3(1 + 3 + 5 + ... + 51)  221
asked by Jas on March 18, 2008 
Vectors
In triangle OAB, OA = 3i + 4k and OB = i + 2j  2k. Find OP, where P is the point where the bisector of Angle AOB intersects AB. Answer is 7i/4 + 5j/4 + k/4 Don't use the matrix method as I haven't learnt it yet and please show working. Thx a lot.
asked by C on January 11, 2017 
chemistry grade 11
ferrous sulfate was prepared by dissolution of x grams p feso4.7H20 crystals in 500 ml water. 20 ml of this solution necessities 5 ml of 0.1mol/l kmn04 for the pink color to persist. find x
asked by lana on January 4, 2017 
Geography
47. Following the breakup of the Soviet Union, what are some of the major problems faced by many of the new countries. Can someone please give me a specific page where I can find information for this question? In my book it's spread around the whole
asked by y912f on April 26, 2010 
math
Write then solve the inequality. 1. nine more than half the number n is no more than 8. Find n. 2. Judith drove h hours at a rate of 55 mi/hr. She did not reach her goal of driving 385 miles for a day. How long did she drive?
asked by serious help needed on February 5, 2011 
U.S History
I'm writing a history essay and I was wondering if anyone knew or where I could find information on the punishments for women in the U.S during the 17 ans 1800s. Exampleforging, murder, cheating on their husbands, (waas their any punishment for
asked by Jill on May 14, 2009 
physics
A ray of light is incident at an angle of 20degrees to the normal on one face of an equilateral prism made in glass of refractive index 1.523. Find the total deviation produced.
asked by help please on November 1, 2012 
Socials Studies
How would you interpret this questions? Imagine you could go back to the Canada of 1914. What attitudes would you find most difficult to deal with? Why? I just read about society, the Victorians, rights of women, arts and leisure, and the canadiens.
asked by Nach on September 9, 2009 
Math
$2500 is invested in an account that pays 12% interest, compounded continuously. Find the time required for the amount to triple and round the final answer to the nearest tenth of a year.
asked by Tamie on November 12, 2014 
Social Studies
What was the main purpose of the settlers who established Jamestown? a.to trap animals and sell furs b.to find gold and silver c.to farm tobacco d.to collect sweetgrass for baskets Would it be B? I am thinking B,or C.
asked by AJ on September 19, 2015 
Calculus
Find the volume of the solid by rotating the region bounded by the given curves about the xaxis. Use the method of cylindrical shells. y=4x^2 2x+y=6 I drew the picture and the intersection points are at x=1.5 and x=1. I'm not sure how to identify the
asked by Anonymous on February 8, 2012 
phyics
A car takes 11 s to go from v=0m/s to v = 22 m/s at constant acceleration. If you wish to find the distance traveled using the equation d=1/2at2, what value should you use for a? Please help on this i don't know what i should put i think m/s squared but i
asked by rachel on September 19, 2015 
Social Studies
One goal of Christopher Columbus,Jacques Cartier, and Henry Hudson was to: (a)settle New York state (b)explore the Great Lakes (c)find a shorter water route to Asia
asked by Searah on November 11, 2009 
spanish last one thanks
en otro papel explica el significado de las siguientes palabras. Usa sinonimos y/o antonimos. example: contento  " Lo opuesto de enojado; feliz" I cant find anyhitng for la presa and amenazado/a PLEASE HELP
asked by sam on May 5, 2009 
Math
Find the APR (true annual interest rate), to the nearest half percent, for the following loan. Amount Financed = $1200 Finance Charge = $90 Number of Monthly Payments = 12
asked by McD30 on April 4, 2013 
math
The distance d, in miles, a small plane is from its final destination is given by d(t)=250100t, where t is the time, in hours, remaining for the flight. Find and discuss the meaning of the intercepts of the graph of the function.
asked by sharon Q on November 14, 2013 
Education
__________can be defined as a philosophy, an approach, and actions that embody treating all people with fairness, respect, dignity, and generosity. I can't find the answer to this. I'm thinking it is some form of Multicutural Education
asked by Will on September 30, 2008 
Philosophy
Do you know any good websites where I can find information about the capitalist economic/political system in the US as well as in Denmark and/or France? I tried google but I haven't found a great site or I'm usually given a sentence or 2 about the topic.
asked by Montega on June 2, 2009 
physics
Dynamics question please help i am stuck...! A model helicopter of mass 5.0 kg rises with constant acceleration from rest to a height of 60 m in 10 seconds. Find the thrust exerted by the rotor blades during the ascent
asked by Jinx007 on June 13, 2010 
Physics
I don't understand this. A can filled with sand has a mass of 0.45kg is swung overhead in a horizontal circle of radius 0.6m at a constant rate of 2.5 revolutions per second. Find the angular momentum of the rock.
asked by Mariam on February 21, 2018 
Probability
You are given 4 to 1 odds against tossing 2 tails and in 2 tosses of a fair coin. This means that you win $4 if you succeed and you lose $1 if you fail. Find the expected value(toyou) of the game. Round to nearest cent.
asked by AJC on July 23, 2010 
Statistics
Find the minimum sample size needed to estimate the population proportion if the margin of error is 0.07 confidence level is 95% and from a prior study p hat is estimated by decimal equivalent of 94% A) 39 b)45 c)43 d)44
asked by Leslie667 on April 22, 2015 
Reading
If you had these to choose from Table of Contents Headings and Subheadings Glossary Index Captions for Photographs then where would you look to locate information on ancient Rome? And Where would look to find the date of the beginning of World War 1?
asked by Hunter on September 17, 2009 
physics
from a roof top a rifle is fired with a steady blowing wind. The time interval between the flash and the report,observe at 1km away is 5seconds.find the velocity of sound in air
asked by kings. on October 18, 2015 
Geography/Social Studies
Find the place using the clues below. One of the most tragic (and ironic) political assassinations in the history of a country happened here. Somewhat surprisingly in the overall scheme of things, this significant seat of government has no commercial
asked by Larry on October 28, 2008 
math
the volume of a cubical solid is given by following expressions.find the side of field. a)8a^3+b^3+12a^2 b+6ab^2. b)27125a^3135a+225a^2. c)27a^31/2169a^2/2+a/4. d)x^31/x633x+3/x. plz help me till 2 o'clock...
asked by parul on May 29, 2012 
physics
what equation would i use if i wanted to find the magnitude for this problem A box of mass 32.0 kg is subject to an applied force (FA) with an elevation angle of 39.9°, and it accelerates to the right at 6.31 m/s2. The horizontal surface has a coefficient
asked by Jessica on December 5, 2010 
Calrary science secondly school taraku
Physics.p: a stone whirled at the end of a rope 30cm long makes 10 complete in 2seconds find the angular velocity the lnear speed the distance covered in 5seconds
asked by Tsavgbir moses on October 23, 2015 
Trigonometry
Round answer to two significant digits A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the length of the guy wire AC.
asked by Karen on November 8, 2014 
math
There are different ways you can break apart arrays to find 6x7. Choose a way that makes sense to you. Draw an array and explain your thinking. Write multiplication sentences to go with your model. Then give the product
asked by le on November 30, 2011 
Math 120
Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 528 and a standard deviation of 135. Use the 689599.7 Rule to find the percentage of people taking the test who score below 123.
asked by Jessica on April 14, 2017 
language and Diversity
Where could I find a two instances of conflicts between the legal and ethical issues confronting the education of English Language Learners./Then< how do schools meet the needs of the ELL students without breaking state law?
asked by sally on October 24, 2008 
Physics 1
A golf ball is struck with a five iron on level ground. It lands 92.0m away 4.20s later. What was (a) the direction and (b) the magnitude of the initial velocity? I have no idea how to go about using the information given to find the first part (A). Even
asked by Molly on September 11, 2014 
math
Find the absolute extrema of the function on the closed interval. Use a graphing utility to verify your results. (Round your answers to two decimal places. If an answer does not exist, enter DNE.) g(x) = (x^2 − 4)^2/3, [−5, 3]
asked by akash on March 31, 2013 
calculus
A small dog shelter in the shape of a rectangular solid is to have a square base and an open front. If the volume is to be 36ft^3, find the dimensions for which the amount of material needed is a minimum. V=2x*y
asked by HELP! on November 4, 2011 
Math
In a survey, 20 people were asked how much they spent on their child's last birthday gift. The results were roughly bellshaped with a mean of $30 and standard deviation of $2. Find the margin of error for a 99% confidence level.
asked by Lisa on August 7, 2018 
Social
Hi i have 2 weeks to write a paper about anything related to marketing. It has to be 7 pages so I need a good topic and a place to find solid information (our teacher said don't use wikipedia at all because he hates it). I was wondering if you could help
asked by Jake on April 30, 2010 
child care managment
An apprpriate science activity for a child 6 to 12 years of age is: A. collecting leaves. B.using a compass to find specific sites. C.growing plants froom seeds. D. experimenting with magnet.
asked by diana on February 28, 2011 
history
please give me links from which i can find the answer to this question the North Atlantic Treaty Organization (NATO) was based on the principle of a. free trade b. collective security c. appeasement d. isolationism thanks:D
asked by history on March 31, 2009 
Mathematics
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. plzzzzzzzzzzzzz helppppppppp on thisssss. On my previous question I even showed my work
asked by Angel on November 16, 2016 
chemistry
Calculate [acetate] of 0.057 mol/L solution of acetic acid of Ka = 1.76x10^5 i know to find Ka it's: Ka= products/reactants so i tried doing an ICE table with the equation to be: CH3CO2 + H2O CH3COOH + H am i on the right track? if not...help please!
asked by Kat on July 28, 2010 
Social Studies
Find the place. Using the clues below. One of the most tragic (and ironic) political assassinations in the history of a country happened here. Somewhat surprisingly in the overall scheme of things, this significant seat of government has no commercial
asked by Larry on October 27, 2008 
Algebra 2
Find the values of the six trigonometric functions for ∠A in standard position determined by the point (63, 280). Enter your answers as fractions. sin A cos A tan A csc A sec A cot A
asked by Katy on February 13, 2012 
Physics
A 0.9 kg object that stretches a spring 2.5 cm from its natural length when hanging at rest oscillates with an amplitude of 8.1 cm. Find the total energy of the system. The acceleration due to gravity is 9.81 m/s2. Answer in units of J
asked by Maxx on December 5, 2011 
statistics
Car seat belts are tested for strength, and it is found the results are normally distributed with a mean of 2400 lb and a standard deviation of 400 lb. Using the 689599.7 rule, find the percentage of scores between 1600 lb and 3200 lb.
asked by Jean on August 5, 2017 
Science
Go to the place where knowledge sleeps Follow the path that he left behind Where data are tested and facts win out Find what is labeled with a century less two Now name the phantom marked by cross and double lines
asked by Massiz on November 21, 2016 
calculus
the cost (in dollars) of producing x units of a certain commodity is C(x)=5090+13x+0.09x^2. Find the average rate of change with respect to x when the production level is changed from x=105 to x=107.
asked by L.J on November 17, 2011 
help
HELP ME!!! with what? sorry! what is a chemical symbol? thanks webelements heres a link to a chemistry/science site. thanks a bunch! :] Can you help me find the answers for these question? Explain why: 1.flammable substances like petrol should not be
asked by Matt on January 15, 2007 
disease
a 4 year old caucasian female tired pale and a picky eater only eats pasta breads hot dogs and artificial fruit punch. I cannot find a blood disorder on her. Please help!
asked by Nancyg on April 17, 2010 
physics
A 800. kg car starts from rest and accelerates uniformly to 19.0 m/s in 22.0 s. Assume that air resistance remains constant at 340 N during this time. Find (b) the average power developed by the engine
asked by Anonymous on October 11, 2012 
Algebra
A manufacturer of tin cans wishes to construct a right circular cylindrical can of height 20 centimeters and capacity 2600 cm^3 (see the figure). Find the inner radius r of the can. (Round your answer to one decimal place.) r = cm
asked by Ems on September 15, 2014 
Math I have tried it and tried it
I have tried several times to find the vertex, line of symmetry, max/min value of the quadratic function. f(x)=2x+2x+8 I know I have to do completing the square to answer this but everytime i try to follow the steps I stumble hard! a(xh)^2+k x= b/2a
asked by Sabrina on September 24, 2010 
Statistics
Find the minimum sample size needed to estimate the population proportion if the margin of error is 0.07 confidence level is 95% and from a prior study p hat is estimated by decimal equivalent of 94% A) 39 b)45 c)43 d)44
asked by Leslie667 on April 21, 2015 
Health
I have to do a 1 page essay on "Protecting yourself in Public". Now, our teacher just gives us work, she doesn't lecture us. Also I think it is due tomorrow (at least that's what my friend told me), and she assigned it today. So I tried looking on Google
asked by Wenmar on December 6, 2007 
The Crucible (ACT TWO)
why have so many people been arrested? an what is motivating the officials? http://www.sparknotes.com/lit It's been far too long since I read that play to remember such specifics, but if you click on the C when you get to the above linked website, you'll
asked by Bryan on March 24, 2007 
statistics
Scores for men on the verbal portion of the SAT1 test are normally distributed with a mean of 509 and a standard deviation of 112. If a man is randomly selected, find the probablity that his score is at least 571
asked by jo ann on July 24, 2014 
Algebra
A manufacturer of tin cans wishes to construct a right circular cylindrical can of height 20 centimeters and capacity 2600 cm^3 (see the figure). Find the inner radius r of the can. (Round your answer to one decimal place.) r = cm
asked by Emsley on September 14, 2014 
Amelia Douglas
Was wondering what achievements Amelia Douglas made, because all it says about her was that she was kind to everyone around her, and she even nursed woman who were pregant and were having problems giving birth to children, I couldn't find anything else. I
asked by Emma on June 14, 2011 
Physics
An object is placed 10 cm in front of a convex mirror of focal length 4 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation.
asked by Mike on November 28, 2012 
Physics
Suppose a traffic light weighing 1.00*10^2 N hangs from a vertical cable tied to two other cables that are fastened to a supposrt. The tensions T1 and T2 are both 80N. Find the new angles with respect to the horizontal axis.
asked by Anonymous on October 27, 2009 
physics
Three negative charges 1uC,2uC and 3uC are placed at the corners of equilateral triangle. If the length of each side is 1m, find the magnitude and direction of electric field bisecting the line between the charge q1 and q3.
asked by Mahi on August 28, 2017 
Statistics
On average 3 % of a certain type of TV tube burn out before their guarantee has expired. If a merchant sells 120 such tubes, find the probability that he will be forced to replace at least 3 of them (Use the Poisson approximation to the Binomial
asked by Rachel on February 15, 2011 
Art
Writeacher, I urgently need you to help me find material (for intermediate English learners) on the following themes: 1)The theme of doping in cyclism. 2)The Jazz Age 3) Allen, cofounder of the Brain Science Institute
asked by Franz on June 2, 2012 
artplease help
I have spent a lot of time researching and I can't find this. I wrote a paper about the mona lisa and the last supper. I need a sentence from each that tells how they reflect or define the dadaism period. Can someone please help with one or point me in the
asked by crystal on June 21, 2010 
physics
A robot probe drops a camera off the rim of a 323 m high cliff on Mars, where the freefall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s.
asked by Anonymous on September 25, 2015 
trig
Question #1 Suppose that θ is an angle in standard position whose terminal side intersects the unit circle at −−2029,2129 Find the exact values of cscθ cotθ sinθ .
asked by Kylee Smith on December 6, 2014 
trig
Find the values of sin 0, cos 0, and tan 0ƒáif the angle 0ƒáis in standard position and its terminal side passes through the point (¡V15, 8). Give answers as fractions.
asked by justin on May 3, 2015 
PHYSICS
iF PROVIDED WITH THE FOLLOIWING WOODEN RAMP,A BALL,METRE STICK, APLUMBLINE AND CARBON PAPER USING LAW OF CONSERVATION H=R^2/1+(I/mr^2) CAN i FIND THE MOMENT OF inertIA BY PLOTTING A GRAPH AND DOING AN EXPOREMENT.
asked by SMG on May 14, 2011 
Geography
I have to write a short essay on this topic: 48. Discuss the various patterns of prevailing wind in each area of latitude (low, middle, high) I can't find this information anywhere in my book!! Please helppppp meeee!!!! Thanks MC
asked by mysterychicken on October 22, 2009 
Trigonometry
Round answer to two significant digits. A telephone pole 40 feet high is situated on an 13° (H) slope from the horizontal. The measure of angle CAB is 21°. Find the length of the guy wire AC.
asked by Karen on October 22, 2014 
Math 115 3
#1 2/3  1/6 + 5/9 #2 4 1/3  3 1/9 + 2 1/2 #3 Find the fivenumber summary of the following set of numbers. (Show the work and label your answers.) 335, 234, 187, 394, 237, 452, 300, 201, 303
asked by Deb on January 9, 2009 
statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G
asked by Anonymous on September 9, 2015 
Physics
An athlete starts at point A and runs at a constant speed of 5.40 around a round track 150m in diameter. Find the x component of this runner's average acceleration between points A and B. I don't even know how to start. Please help!
asked by Reese on September 12, 2010 
5th grade math
can you please explain &show me how to get these answers to common denominators,find the sum & difference,write in simplest form,7/103/5 =,2/31/6 =,5/67/12 =,5/12+1/4=,1/6+2/9=,5/8+1/2=,3/8+1/4= i'm really having a huge problem understanding this,it's
asked by Anonymous on February 24, 2011 
physics
A robot probe drops a camera oﬀ the rim of a 437 m high cliﬀ on Mars, where the freefall acceleration is 3.7 m/s 2 . Find the velocity with which it hits the ground. Answer in units of m/s
asked by Anonymous on September 26, 2012 
Geometry
find the circumference of the figure, Give both the exact value and an approximation to the nearest hundredth. Circle 6.6km I am just learning this and a teacher is using inches but the textbook has metrics and I never learned the metric system Please
asked by Jeannie on March 28, 2011 
Chemistry
I have to write a paper and bring in examples of each type of mixture for a class feast(so it needs to be edible). I want to know if i'm correct on the two that i have and i need an example of another and why it is it. I have KoolAid for a solution, jello
asked by Anthony on April 13, 2008 
lambton
A rotating flywheel of diameter 48.0 cm uniformly accelerates from rest to 240 rad/s in 15.0 s. Find the linear velocity of a point on the rim of the wheel after 15.0 s. Round answer to one decimal place.
asked by joy on April 22, 2016 
Physic
3 identical spheres are given equal amount of charge and hang from a common point with 3 massless string .each of length l .as that the lines of these charges will form an equilateral triangle .find and the side
asked by Shivam tiwari .euro on March 27, 2017 
Math
Anthony is making a collage for his art class by picking shapes randomly. He has five squares, two triangles, two ovals, and four circles. Find P(a triangle or a square is chosen first). What would be the fraction for this question?
asked by IgorTheFirst on April 30, 2019 
physics
a tire 0.500 m in radius rotates at a constant rate of 200 rev/min.find the speed and accelation of a small stone lodge in the thread(on its outer edge).
asked by cabarles on September 15, 2012 
Chemistry
In terms of a buffer solution, can one exist with a strong acid and of weak base in equal volumes but different molarities? e.g. 0.1 HCl and 0.2 NH3? I found this to be the case but still can't find a logical reasoning behind it.
asked by Vic on September 3, 2007 
PHYSICS
iF PROVIDED WITH THE FOLLOIWING WOODEN RAMP,A BALL,METRE STICK, APLUMBLINE AND CARBON PAPER USING LAW OF CONSERVATION H=R^2/1+(I/mr^2) CAN i FIND THE MOMENT OF inertIA BY PLOTTING A GRAPH AND DOING AN EXPOREMENT.
asked by SMG on May 14, 2011 
History
I need some help to start this. I have to research the issues between Tecumseh and Harrison, but I can't find anything really specific. I kind of need Harrisons reasons for pushing the indians out. Can someone direct me to any websites? We haven't gotten
asked by Geena on September 3, 2007 
food
does anyone know what a manufacturing specification is for food coursework?? im sooo stuck and it has to be in tomorrow =[ please help me :D x Thank you for using the Jiskha Homework Help Forum. Since I'm not sure exactly what you are looking for, I hope
asked by mia on January 10, 2007 
parabola
Architechture A modern building has an entry in the shape 24.2.ft wide at the base. Find an equation for the parabola case (see the figure) if the vertex is put at the origin of the coordinate sytem. Height is 32.5 ft.
asked by erwin on March 5, 2016 
English
IN O'connors A good man is hard to find, for the question which person seems excited about having an accident? is the answer Bailey. Thanks These sites may be of help to you. http://www.exampleessays.com/essay_search/A_Good_Man_is_Hard_to_Find.html
asked by casey on April 15, 2007 
college physics
two balls of equal mass,moving with speeds of 5 meter/seconds,collide head on.find the velocity of each after impact if (a)they are stuck together (b)the collision of perfectly elastic. (c)the coefficient of restitution in 1/3?
asked by Jeff Rey on March 9, 2011 
statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G
asked by Anonymous on September 9, 2015 
science
what can i do to find out about rosalind franklin? You could Google her name, preferably with parentheses around it, and read some of the articles that will be found by that search engine. At the top of the list will be
asked by shannon on July 27, 2007 
us history
Evaluate the extent to which the Articles of Confederation were effetive in solving the problems that confronted the new nation. Does anywone know where I can find the answer to this? I have to type a whole page on it so I need a lot of information...
asked by Andrea on September 26, 2012 
fortis
north island federal credit union pay 4% annual interest, compounded daily on time savings deposits. find the value after 1 year of 750 deposited in this account
asked by lisa on September 27, 2012 
physics
A robot probe drops a camera off the rim of a 387 m high cliff on Mars, where the freefall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s
asked by Anonymous on September 26, 2014 
trig
If a triangle has an area of 50 square units and has angles that measure 15, 65, and 100 degress, find the length of the shortest side to the nearest tenth. Do not round till the final answer.
asked by A on April 3, 2011 
physics please help!!
find the temperature of the hot reservoir of a carnot engine that has QH=1575j that does work on a 200kg crate, caussing it to go from rest to a velocity of 2.35m/s along the horizontal frictionless surface. Tc=100K
asked by Claire on June 26, 2014 
Math
An unknown distribution has a mean of 80 and a standard deviation of 12. A sample size of 95 is drawn randomly from the population. Find the probability that the sum of the 95 values is less than 7,300. (Round your answer to four decimal places.)
asked by alex on April 17, 2018 
essay
Hi i can't find any websites except wikipedia to help me with this question Analyze the impact of the Atlantic trade routes established in the mid 1600's on economic development in the British North American Colonies
asked by nick on July 23, 2008
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