
Physics
An airplane flies 220 km due east, makes a rightangle, and then flies 400 km due north. Find the magnitude of the plane's displacement from it's starting point. Neglect the culrvature of the earth
asked by Jose on September 14, 2014 
Calculus
Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the yaxis and whose crosssections perpendicular to the y axis are equilateral triangles. I asked this same question for the yaxis around the xaxis (Thanks for the
asked by Jessica on October 13, 2011 
college physics
find the frictional force exerted on a 20kg block pulled slowly over a horizontal floor using a rope which makes a 30 degree angle over the horizontal. the pulling force is 100N??? i found the Fn to be 146 N what do i do from there?
asked by josh on June 10, 2010 
Calculus
Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the yaxis and whose crosssections perpendicular to the y axis are equilateral triangles. I asked this same question for the yaxis around the xaxis (Thanks for the
asked by Jessica on October 13, 2011 
math
what is an eay way to add 1/5 1/2 and 1/7. I have to find a number that they all go into for a similar denominator right? but how do I do that without taking forever. Multiply the denominators: 5 x 2 x 7 = ?? =) As Writeacher has noted, the common
asked by I dunno on July 28, 2007 
AP 1 Physics
A motorcycle has a constant speed of 25.0 m/s as it passes over the top of a hill whose radius of curvature is 144 m. The mass of the motorcycle and driver is 326 kg. Find the magnitudes of the following. Centripetal force: mv^2/r = 1414.93 N Normal force:
asked by Lulu on November 3, 2015 
trig
The ferris wheel in an amusement park. It has a diameter of 24m, and it takes 40s to make one complete revolution. If Peter gets on a gondola which is vertically below the centre of the ferris wheel, find his rise in the height after 5s.
asked by Yuika on March 31, 2014 
trigonometry
A mini toy helicopter ascends 50 feet vertically, then flies horizontally 200 feet. Find the angle of elevation to the helicopter now as seen by an observer at the takeoff point. Round to the nearest degree
asked by Anonymous on July 5, 2013 
U.S. History
I have to do a current event related to the Bill of Rights. So any recent news, it can be up to 3 months ago. It has to pertain to the Bill of Rights such as freedom of religion, right to bear arms, and no quartering of troops, but I can't find any
asked by Lola on December 16, 2009 
Calculus
Determine the convergence or divergence of the series. Find the limit. Indicate the test that was used and justify your answer by showing evidence why the test succeeds or fails. Sigma (lower index n = 1; upper index infinity) 12/[n(n+3)]
asked by Jenny on February 11, 2013 
John
Is the following simple, compound, comples, or compound complex sentences? The shopping mall has a store that sells nothing but clocks. The governor chose the best people whom we could find for the committee; Mr. Dobbs was appointed committee chairman.
asked by Jason on December 11, 2012 
AP Physics
An ice skater skates 28 m southwest, then 56 m east, and finally 84 m in a direction 50.3 ◦ north of east.Find the magnitude of the displacement required to bring the skater back to her starting point. Answer in units of m
asked by josselin on September 25, 2014 
math models
The Sears Tower in Chicago is 1454 feet high. Sketch and find the angle of elevation from a point 750 feet from the base to the top of the tower. Relate your answer to the nearest tenth. a. 62.7º b. 27.3º c. 31.1º d. 58.9º
asked by Chy on September 30, 2014 
Gen Chem
For my chem class I have 3 elements and have to find what they are used for today or an interesting fact. I have looked but I can't really fin anything. My elements are: Cobalt,Thulium, and Roentgenium I found that cobalt is used in money (nickels,
asked by Andrea on October 21, 2012 
Math
On vacation you wish to send eight postcards to friends at home. You find cards costing $.59 each. Eight postcard stamps cost about $2 total. About how much will it cost to buy and mail the cards? super duper stuck on this question help!
asked by Lea on August 23, 2018 
english
Please help me ive been trying to figure this out, but I DO NOT understand it...I do not understand what an embedded sentence is We have to find the embedded sentences in: I deplore the fact that bats have wings. That Guinevere loves Lorian is known to all
asked by Anonymous on July 7, 2008 
MATH
John forgot to pay his $364.00 income tax on time. The IRS charged a penalty of 12% for the 55 days the money was late. Find the penalty that John paid. (Use a 365 day year.)
asked by Tyga on March 14, 2010 
History
I have been surfing the web for thirty minutes to no avail, trying to find a red flag with a baby blue stripe, a yellow star and a yellow hammer and sickle crossed. Can anyone tell me the organization that this flag belongs to?
asked by Anonymous on September 4, 2009 
chemisty
Find the volume of a starburst candy (220 cm cubed). The mass is 5.14 grams. Calculate it's density. How many starburst would it take to fill your locker (139,200 cm cubed)? Use dimensional analysis to solve this problem.
asked by jj on September 8, 2013 
Basketball Current Event
Dear Tutor, I have to do a current event for Physical Education on basketball. My problem is that I don't know anything about basketball and my coach wants it to be on a famous basketball team that has recently played. Can you help me find an article. I am
asked by Bianca on February 18, 2013 
Basketball Current Event
Dear Tutor, I have to do a current event for Physical Education on basketball. My problem is that I don't know anything about basketball and my coach wants it to be on a famous basketball team that has recently played. Can you help me find an article. I am
asked by Bianca on February 18, 2013 
government
Name and explain 3 problems of the Articles of Confederation. How can I answer that question? You'll need to check your textbook to find the parts of the Articles of Confederation that were not included in the Constitution. Look for things like states'
asked by cc on October 19, 2006 
Calculus
An airplane flies at an altitude of 5 miles toward a point directly over an observer. The speed of the plane is 600 miles per hour. Find the rate at which the angle of elevation tetra is changing when the angle is 30 degrees
asked by Anonymous on November 1, 2009 
college
Hi, I would like to ask if there is someon who can recomend me a good university, for a person that wants to be a surgeon and what would be a good thing to get a major on? thanks in advance Talk with your high school guidance counselor. Then try to be
asked by claudia on April 22, 2007 
A physics problem
Hello...I need to find a modern day movie that has at least three or more physics mistakes. I need to prove they are mistakes...as well, is Zeno's Paradox a credited/valid source to use to prove something such as the everlasting gobstopper, from Willy
asked by Physics! on December 19, 2007 
6th Grade Probability
From a barrel of colored marbles, you randomly select 4 blue, 5 yellow, 6 red, 2 green, and 5 purple. Find the experimental probability of randomly selecting a marble that is NOT blue. A. 6/13 B. 1/2 C. 9/11 D. 3/8 Please help me fast! I have no clue how
asked by MusicLover14 on June 5, 2015 
Movies and physics
Hello...I need to find a modern day movie that has at least three or more physics mistakes. I need to prove they are mistakes...as well, is Zeno's Paradox a credited/valid source to use to prove something such as the everlasting gobstopper, from Willy
asked by Physics! on December 19, 2007 
physics
a block weighing 50 N rests on an inclined plane. its weight is a force directed vertically downward, a37 degree angel find the componants of the force parallel to the surface of the plane and perpendicular to it
asked by melissa on January 1, 2008 
Physics
To compress spring 1 by 0.23 m takes 188 J of work. Stretching spring 2 by 0.27 m requires 211 J of work. Find the force constants. K1 = K2 = I have derived the formula for k as k = W/(2x^2) but when i plug in the values the answer isn't correct.
asked by Bobby C on March 13, 2010 
Calculus
A container is in the shape of an inverted right circular cone has a radius of 2 in at the top and a height of 6 in. At the instant when the water in the conatiner is 5 in deep, the surface level is falling at the rate of .4 in/s. Find the rate at which
asked by Liz on May 17, 2012 
calcus
Related Rates Problem An isosceles triangle with a base of 20root3 cm long. If the length of the leg decreases at rate 3 cm/h, find the rate of decreasing of the area of the triangle in the instant at which the triange becomes equilateral
asked by bedo on August 28, 2016 
Geometry
find the distance between the cities. Assume that Earth is a sphere of radius 4000 miles and that the cities are on the same longitude (one city is due north of the other) Dallas, Texas Latitude: 32* 47' 39" Omaha, Nebraska Latitude: 41* 15' 50"
asked by Shanu on January 17, 2015 
calculus
hey I just wanted to make sure that I was doing this problem correctly. The question says to graph the function f given by f(x)=x^3+3x^29x13 and find the local extremer. So here's what I did: f(x)=x^3+3x^29x13 F^1(x)=3x^2+6x9 = 3x(x3) x=0 x=3 I put
asked by help on July 5, 2012 
Chemistry
A biomass power station burns forestry residue which has 2000 ppm potassium in it and produces 2% ash by weight (think Ive worded that right). I need to find the fraction of K2O in the ash, but only the fraction of K in the fuel as a whole is given.
asked by Gemma on February 7, 2011 
math
the hypothenus of a right angle triangle is 6cm with respect to the other two sides, one is 2cm longer than the other. Find the length of the two other sides to the nearest tenth. when i worked out this question, I got the answer as X=5.1 or X=3.1 is my
asked by ted on January 3, 2011 
chemistry
Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL. a. ) 0.77 b. ) 0.83 c. ) 0.90 d. ) 0.98 e. ) 1.01 i got c) by converting density into concentration (mol/L) and then,
asked by Anonymous on November 2, 2008 
math/chemisty
Find the volume of a starburst candy (220 cm cubed). The mass is 5.14 grams. Calculate it's density. How many starburst would it take to fill your locker (139,200 cm cubed)? Use dimensional analysis to solve this problem.
asked by jj on September 8, 2013 
AP Physics
A 5.86 kg block initially at rest is pulled to the right along a horizontal surface by a constant, horizontal force of 14.4 N. The coefficient of kinetic friction is 0.14. The acceleration of gravity is 9.8 m/s 2 . Find the speed of the block after it has
asked by Robert on November 11, 2015 
math/statistics
In the Numbers Game, a state lottery, four numbers are drawn with replacement from an urn containing balls numbered 09, inclusive. Find the probability that a ticket holder has the indicated winning ticket. The first three digits in exact order.
asked by Brian on June 19, 2017 
College Chemistry
Complete the following table for aqueous solutions of caffeine, C8H10O2N4. Find: Molality Mass Percent Solvent Ppm Solute Given: Mole Fraction Solvent = 0.900 Molar Mass is 194.2g i believe.
asked by James on August 30, 2010 
physics
A pitched ball is hit by a batter at a 45° angle and just clears the outfield fence, 90 m away. Assume that the fence is at the same height as the pitch and find the velocity of the ball when it left the bat. Neglect air resistance.
asked by Tim on February 25, 2012 
Do you know where I could find these vides?
I am looking for two educational videos: one is entitled "Integrated Curriculum" and the other is a Shoe Store Video... both focus on children in pretend play and children playing an active part of the learning environment.... If you have seen these videos
asked by MARY on April 26, 2008 
Calculus
The function V=4pir^2 describes the volume of a right circular cylinder of heigh 4ft and radius r feet. Find the (instantaneous) rate of change of the volume with respect to the radius when r=6. Leave the answer in terms of pi.
asked by Anonymous on January 24, 2008 
Calculus
A box with a square base and no top is to be built with a volume of 4000 in3. Find the dimensions of the box (Length, Width, Height) that requires the least amount of material. How much material is required at the minimum?
asked by E on November 4, 2015 
Physics
A 31.0 kg crate, initially at rest, slides down a ramp 2.6 m long and inlined 14 degrees with the horizontal. Using the workkinetic energy theorem and disregarding friction, find the velocity of the crate at the bottom of the ramp
asked by Matt on February 3, 2011 
Statistics
The distribution of heights of women aged 20 to 29 is approximately normal with a mean of 2.8 inches and standard deviation of 2.8 inches. The height (+/ 0.1 inch) of the middle 99.7% falls between a low of ?? inches and a high of ?? inches. Please help
asked by Angel on September 10, 2015 
math
Supppose two trains leave Holbrook, Arizona, at the same time, traveling in opposite directions. One train travels 10 mph faster than the other. In 3.5 hours, the trains are 322 miles apart. Find the speed of each train.
asked by justin on December 4, 2012 
geometry
I have a 50 question assigment that its due tomorrow and I'm stuck on this question. "Write the contrapositive,converse,and inverse of this statement.Determine whether they are true or false.If its false.find a conterexample "Two angles measure 90 are
asked by Elena G. on September 18, 2012 
Precalc
Given log2=0.3010, log3=0.4771, log5=0.6690, and log7=0.8451... Find a.) log8 b) log5/7 c.) log1.5 d.) log3/14 e) log12 I didn't know how to do b, c, and d. I also don't know if log 12 is right. Answer: a.) 0.903 b.)? c.)? d.)? e.) 1.0791
asked by Katie on November 11, 2015 
Chemistry
Find the pH of mixture of acids. 0.185 M in HCHO2 and 0.225 M in HC2H3O2 Im using an ice chart of weak acid and putting in strong acid in H+ initiAL concentration. I've done the problems many different ways but cannot seem to get the right answer help
asked by L.Bianchessi on February 26, 2012 
Math
Find the amount of interest and the monthly payment for the loan. Purchase a car for $42,400 at 2.4% addon rate for 5 years. (Round your answers to the nearest cent.) $_____ interest $_____ per month
asked by Reggie on December 14, 2012 
Algebra
28. A gardener measures the tallest of his prizewinning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it. Write and solve an equation to find how many inches the sunflower grew.
asked by Rach on November 3, 2009 
System of Linear Equations
A medical supply company has 1150 workerhours for production, maintenance, and inspection. Using this and other factors, the number of hours used for each operation, P, M, and I, respectively, is found by solving the following system of equations. Find P,
asked by neeha on July 8, 2011 
PHYSIC
TWO BLOCKS ARE CONNECTED BY A LIGHT STRING THAT PASSES OVER A FRICTIONLESS PULLEY AS SHOWN IN THE DIAGRAM. THE COEFFICIENT OF KINETIC FRICTIONBETWEEN THE 6.0KG BLOCK AND THE SURFACE IS 0.25.FIND THE ACCELERATION OF THE 8KG BLOCK AND THE TENSION OF THE
asked by Anonymous on March 6, 2012 
Math
Using this graph, find the average lengths of cellular calls for the year 2013. Year:Avg length (L) in minutes: 19992.38 20002.56 20012.74 20022.73 20032.87 20043.05 I think the answer is 4.08 minutes but I also got 3.97 so I'm not sure, can you
asked by Alex on January 29, 2015 
Physics
An ice skater skates 13.3 m southwest, then 26.6 m east, and finally 39.9 m in a direction 51.5◦ north of east. Find the magnitude of the displacement required to bring the skater back to her starting point. Answer in units of m
asked by Bob on September 22, 2014 
Math: Algebra
Madoka has scores 84, 89, and 91, each out of 100 points, on her algebra tests. Use an inequality to find the score she must make on the final exam to pass the course with an average of 90 percent or higher, given that the final is worth 150 points.
asked by Irelia on September 10, 2013 
Algebra
An initial investment of $480 is appreciated for 8 years in an account that earns 9% interest, compounded quarterly. Find the amount of money in the account at the end of the period. A $978.29 B $956.43 C $498.29 D $956.76
asked by Mary on July 23, 2018 
Math
From an 8 inch by 10 inch rectangular sheet of paper, squares of equal size will be cut from each corner. The flaps will then be folded up to form an opentopped box. Find the maximum possible volume of the box.
asked by tammy on April 9, 2011 
physics
two horizontal parralel plate each of area 100cm2, 1m apart in vaccum the lower part is earthed and upper part is given a charge of 0.5uc neglect edge effect , find the electric field between the plate
asked by jayzon on June 26, 2017 
math
You can find the distance d an object falls in feet for time t in seconds using the formula d= 16t^2. Suppose a ball is dropped out of a window of a tall building. How far will the ball in 3 seconds? a 144 ft b 96 ft c 48 ft d 16 ft plz explain how to do
asked by Anonymous on March 20, 2009 
PhysicsHelp Please!!!
A 31.0 kg crate, initially at rest, slides down a ramp 2.6 m long and inlined 14 degrees with the horizontal. Using the workkinetic energy theorem and disregarding friction, find the velocity of th crate at the bottom of the ramp
asked by Matt on February 3, 2011 
MATH
A VERTICAL POST WITH SQUARE CROSS SECTION OF 1M X 1M IS SET SQUARELY ON A CUBICAL BLOCK 3M ON A SIDE. SUPPORT S FROM THE FLOOR TO THE SIDES OF THE POST AS DESIRED. FIND THE INSIDE LENGTH OF THE SHORTEST POSSIBLE SUPPORT.
asked by BWALYA on September 9, 2014 
mechanics_ physics
1.20kg mass is dropped from a height of 0.9M unto a spring with force constant K= 120N/m and negligible mass. Find the maximum distance the spring will compressed pls show full working and indicate formular.
asked by precious on January 6, 2013 
Calculus
The question is, if f(x) is equal to the series from n to infinity of a sub n times (x7)^n for all n, find a formula for a sub 10. (I apologize for typing it out in the way that I did, but it was the only way I could. I don't quite understand what is
asked by David on December 10, 2007 
math
Find the minimum number of cells connected in two rows in parallel required to pass a current of 6 A through an external resistance of 0.70 ohms. Take the emf of each cell as 2.1 volts and internal resistance of each cell as 0.5 ohm..
asked by Cora on June 30, 2015 
Physics
A system gains 473J of kinetic energy while losing 271J of potential energy. The thermal energy increases by 127J . Use an energy bar chart of this process to find the external work Wext.
asked by Tami on June 8, 2014 
mechanics_ physics
1.20kg mass is dropped from a height of 0.9M unto a spring with force constant K= 120N/m and negligible mass. Find the maximum distance the spring will compressed pls show full working and indicate formular.
asked by precious on January 6, 2013 
Socials
Confederation: For and Against. How do Macdonald and Howe represent the presence of the United States? In a paragraph, describe who, in your opinion used the American factor most effectively. Macdonald mentions Americans, but I cant find where they talk
asked by Sara on March 14, 2011 
calculus
1. Let C(t) be the number of cougars on an island at time t years (where t > 0). The number of cougars is increasing at a rate directly proportional to 3500  C(t). Also, C(0) = 1000, and C(5) = 2000. 1. Calculate C(10). 2. Find the limit as t tends to
asked by Jeremy on April 25, 2018 
physics
A uniformly charged insulating rod of length 14 cm is bent into the shape of a semicircle. if the rod has a total charge of 7.5 C. find the magnitude and direction of the electric field at the center of the semicircle. I'm not sure where to start or what
asked by Anonymous on February 20, 2008 
Physics
A weight lifter manages to lift a 147 kg weight a distance of 1.1 m. Treat her as a thermodynamic system and find how much heat (in kcal) she must put out if her internal energy decreases by 3620 J during the lift. Not sure how to answer this.
asked by Riley on January 31, 2014 
chemistry
i know the formula FC = # Valence Electron  bonds  lone pairs but am i supposed to use that formula for all elements on the problems for instance the teacher did this example :O:  C / \ O FC: 624=0 CFC: 44=0 I have no idea where the numbers came
asked by jessie on January 30, 2011 
PreCalculus
Find the slope of the tangent line to the curve √(1x+2y) + √(1xy) = 8.24 at the point (2,8)? I know you have to use implicit differentiation, but the radicals keep making me mess up algebraically. Is the changing the radicals to exponents the fastest
asked by Ann on November 14, 2013 
math help needed bad
how do I make a box and whisker plot with the numbers 13,13,20,21,21,22,24,27? I put them all in order but since there is only 8 numbers i do not know how to find the median,the lower quartile,upper quartile the lowest value and the highest value. Please
asked by confused on March 9, 2015 
Chemistry
You add 7.326g of solid CaCl2 to 45.5 mL of water in a coffee cup calorimeter and measure as the temp. Increase from 22.6 C to 41.5 C. Specific heat water is 4.184 J/ g.C and the density of water is 0.9977 g/mL. Find the mass of water. PLEASE HELP ME!!!
asked by Dania on October 20, 2016 
physics
a 60.00kg athlete leaps straight up into the air from a trampoline with an intial speed of 9.0 m/s. The goal of this problem is to find the maxiumum height she attains and her speed at half maximum height. what are the interacting objects and how do they
asked by yue xing lu on November 3, 2012 
Physics
A system gains 473J of kinetic energy while losing 271J of potential energy. The thermal energy increases by 127J . Use an energy bar chart of this process to find the external work Wext.
asked by Allen on June 5, 2014 
9th Grade Honors English
In the book Inside the Walls of Troy, what view does the reader get through her eyes? I know that Cassandra loathed her gift of foreseeing the future and that she didn't want anyone to find out about her gift,in fear of being judged and criticized for it,
asked by Lillith on October 12, 2016 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example
asked by Leanne on November 28, 2012 
Precalc
The figure shows the preimage and first iteration for a set of transformations. If the iterations are carried on infinitely, the resulting fractal figure will have dimension given by Dimension=(LogN)/Log(1/r) It tells me to find N and r... What should I
asked by Grace on January 19, 2012 
calculus
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example
asked by Leanne on November 28, 2012 
Physics
A rod with crosssectional area A and length L is made from a material with a Young's modulus of Y. This rod could be considered an extremely stiff spring with some spring constant k. Find an expression for k in terms of the other quantities.
asked by Jane on February 25, 2011 
Math (finance )
Find the monthly payment, needed to have a sinking fund accumulate the future value, $16,000. The yearly interest rate is 6.7% and the number of payments is 20. Interest is compounded monthly. I do not remember how to solve for this equation. Please help
asked by Anonymous on April 22, 2017 
physics
A team of dogs drags a 81.2 kg sled 3.12 km over a horizontal surface at a constant speed.The coefficient of friction between the sled and the snow is 0.172. The acceleration of gravity is 9.8 m/s^2 Find the work done by the dogs. Answer in units of kJ.
asked by Maria on December 9, 2015 
math
It is estimated that one third of one per cent of the Earth’s surface receives more energy from the sun than the total projected needs for the year 2014. Assuming the Earth’s surface to be 1.97 x 108 square miles. Find the area in acres.
asked by david on September 13, 2012 
physics
A 1.54 ×104 N boat experiences a force of 2 000 N from east by the ocean tide and a wind force against its sails with magnitude of 4000 N directed toward the northwest (60° N of W). Find the magnitude and the direction of the resultant acceleration
asked by leslie on September 18, 2013 
chemistry
The percentage of C,H,O in vitamin C were determined by burning a sample weighing 2.00g. The masses of carbon dioxide and water formed are 3.00mg and 0.81mg respectively. Find the percentage of each element and the empirical fomula of vitamin C
asked by Jude Patrick on October 22, 2014 
physics
Suppose the charge q2 in the figure below can be moved left or right along the line connecting the charges q1 and q3. Given that q = +15 µC, find the distance from q1 where q2 experiences a net electrostatic force of zero? (The charges q1 and q3 are
asked by stoicrider77 on January 12, 2013 
math
A gardener measures the tallest of his prizewinning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it. Write and solve an equation to find how many inches the sunflower grew.
asked by Anonymous on October 28, 2009 
Physics
A solid disk rolls along the floor with a constant linear speed v. (a) Find the fraction of its total kinetic energy that is in the form of rotational kinetic energy about the center of the ball. Krot/Ktotal = ?
asked by Ace on March 8, 2010 
Spanish
I have an assignment to write the subject pronoun that you would use when addressing a person and then what pronoun you would use when talking about them. I am totally confused and cant find help in my text. looks like this: Don francisco Maite y Ines Ines
asked by Shannon on August 30, 2011 
Physics
A 4.90kg ball, moving to the right at a velocity of +2.50 m/s on a frictionless table, collides headon with a stationary 8.00kg ball. Find the final velocities of the balls if the collision meet the following conditions. (a) elastic 4.9kg ball = 8kg
asked by Miranda on January 13, 2013 
Math
Mr. VanNevel makes rectangular glass aquariums with glass tops. The aquariums measure 12 in by 6 in by 8 in. a.) draw a net and find the total surface area I know there are no photos allowed on the website but if you can try to explain this it would be
asked by Homework Help Please on January 9, 2018 
Math
I need to find the equation for the following (compound interest): number of years: 12 initial principal: 10000 annual interest rate: 0.03 additional investment each subsequent quarter: 500 The value in 12 years is 43074.4088874
asked by Trevor on September 30, 2010 
algebra
Find the slopeintercept form of the line that passes through given the point and has the given slope. Include your work in your final answer. Type your answer in the box provided or use the upload option to submit your solution. (1, 3) m = 2
asked by amber on September 4, 2014 
Algebra
For a nonsmoker, the biological halflife of theophylline is 8 hours. Find the amount of the drug retained in a nonsmoker's system 18 hours after taking a oneunit dose. (Round your answer to three decimal places.)
asked by cindy on March 27, 2016 
physics
Three lead balls of mass m1= 13kg, m2= 26kg, and m3= 9.6kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force
asked by Anonymous on November 4, 2012 
statistics
Henry performed a two tailed test for an experiment in which N = 24. He could not find his table of t critical values, but he remembered the tcv at df = 13. He decided to compare his tobt with this tcv. Is he more likely to make a Type I or a Type II
asked by adrienne on September 11, 2014 
Statistics
On standard IQ tests, the mean is 100 and the standard deviation is 13. The results are very close to fitting a normal curve. Suppose an IQ test is given to a very large group of people. Find the percent of people whose IQ score is between 61 and 139.
asked by Anonymous on February 14, 2012
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