
trig
If sin alpha = 3/5, sin beta = 5/13, P(alpha) is in the third quadrant, and P(beta) is in the fourth quadrant, find the following: a) sin (alpha  beta)
asked by Priya on May 1, 2008 
Physics
In a binary star system in which 2 stars orbit each other about their centre of mass, the mass of one star is 20m while the other star is m. In another binary star system, the masses of the star are 14m and m. The fixed distance between the stars in the
asked by Josh on July 7, 2014 
AstroPhysics(Binary Star System)
In a binary star system in which 2 stars orbit each other about their centre of mass, the mass of one star is 20m while the other star is m. In another binary star system, the masses of the star are 14m and m. The fixed distance between the stars in the
asked by Ahsanur on July 3, 2014 
Algebra
Please help to find x, y 1. 8xy=17 6x+y=11 2. 5x2y=17 2x+3y=3 Question no.1 8xy=17 6x+y=11 (adding the equation) __________ (y and +y will be 0) 14x =28 Taking variables to one side x=28 __ 14 14*2=28 therefore x=2 substitute this value of x in
asked by Tamia on May 18, 2007 
Maths..
Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when there's a / its under the entire string before it until you hit the inequality symbol. Tony Bowled 135 and 145 in his first two
asked by Lina on October 21, 2015 
Find the rate of change
Taxes: Along with incomes, peoples charitable contributions have steadily increased over the past few years. The table shows the average deduction for charitable contributions reported on individual income tax returns for the period 2007 to 2012. Find the
asked by Emily on April 17, 2013 
Please Help! Rate of change...
Taxes: Along with incomes, peoples charitable contributions have steadily increased over the past few years. The table shows the average deduction for charitable contributions reported on individual income tax returns for the period 2007 to 2012. Find the
asked by Emily on April 18, 2013 
Chemistry
Hi was looking to get some help with an experiment. Currently I trying to determine the amount iron in cereal. And was hoping to get some help with one of the questions I have been given. First off I am the recorded absorbance across the region 470 – 490
asked by Josh on October 14, 2014 
Help!! #3 (URGENT)
What is "internal fertilization" and how does it happen? What kind of animals use this method? List a few animals. give two advantages and two disadvantages. What is it: when a sperm cell and an egg cell unite outside the bodies of the parents. How does it
asked by John on June 14, 2009 
Organic chem lab
Gas Chromatography Graph analysis  How can I find the peak area of incompletely separted compounds. I am not in the lab right now. I can only use a ruler and a pencil no fancy instruments. Appreciate your help. Thanks. This is tricky without seeing the
asked by nayeim on April 6, 2007 
probabilities
Suppose that a certain type of metalic tube contains on the average five defects per 900 feet. Let X be the number of defects per 900 feet 1. What distribution does X follows ? 2. What is the probability that a tube 900 feet long contains no defects ? 3.
asked by hassan on April 26, 2016 
Biotechnology
I need a couple of ideas. For the project we are supposed to test out an idea for biotechnology product that is innovative. However, it's just 2 pages, meaning that we can't "develop" something and thus it can include a lot of assumptions. Our choices
asked by Alex on October 31, 2009 
precal
You can find the size of a population after t years using the formula N = No(1 + r)^t where No is the initial size of the population, N is the final size of the population, r is the rate of growth or decay per time period, and t is the number of time
asked by Anonymous on September 2, 2010 
CHEMISTRY
what is the symbol for chromium (II) sulfate? You mean the formula? CrSO4 yes! thanx!!!!!! do u know how to find the number of molecules or atoms in a mole? The number of atoms in a mole is called Avogadro's number, the value of which is approximately 6.02
asked by INEEDHELP!!! on December 4, 2006 
Physics
A thin 2.84 m long copper rod in a uniform magnetic ﬁeld has a mass of 53.7 g. When the rod carries a current of 0.273 A directed perpendicular to the magnetic ﬁeld, it ﬂoats in the magnetic ﬁeld. The acceleration of gravity is 9.81 m/s2 . What is
asked by Anonymous on April 12, 2018 
Physics
A testing laboratory wants to determine if a new widget can withstand large acceleration and decelerations. To find out, they glue a 5.0kg widget to a test stand that will drive it vertically up and down. At 0 seconds the widget is at an acceleration of
asked by Sam on October 1, 2008 
Physics
A testing laboratory wants to determine if a new widget can withstand large acceleration and decelerations. To find out, they glue a 5.0kg widget to a test stand that will drive it vertically up and down. At 0 seconds the widget is at an acceleration of
asked by Sam on October 1, 2008 
PHYSICS
A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. (b) Calculate the buoyant force acting on the balloon. ________N (c) Find the net force
asked by Amy on November 8, 2012 
Physics
In Fig. 411, a ball is launched with a velocity of 7.50 m/s, at an angle of 50° to the horizontal. The launch point is at the base of a ramp of horizontal length d1 = 4.00 m and height d2 = 3.60 m. A plateau is located at the top of the ramp. What is the
asked by Robert on October 25, 2010 
Math
There are 21 pupils who study Maths, 29 pupils who study french, 26 pupils who study history. there are 4 pupils who study both maths and french. 10 pupils who study both french and history and 3 pupils who study both maths and history. there 1 pupil who
asked by Anonymous on January 2, 2014 
english
'By now, everyone knows that eating right and exercising are important.' What change should be made to this sentence? A. Replace knows with knows' B. Insert comma after right C. Replace important with important? D. No correction necessary 'People who
asked by jess on July 18, 2018 
envoirment
ARE THERE INDUSTRIES EXEMPTED TO CHANGE IN GLOBAL ENVIRONMENT BUT THEY MERELY INFULENCED BY THEIR DOMESTIC ENVIORMENT First, it would be better to use lower case lettering, because the use of all capitals is like shouting. Second, since this is not my area
asked by basit on August 1, 2007 
Chemistry
You have at your lab bench the following chemicals: NaH2PO4(s), Na3PO4(s), NH4Cl(s), CH3COONa (s), 1.00 M NaOH, 1.00 M HCl, and deionized water. You also have standard glassware available. Describe how you would make 1.0 L of the buffer with a pH of 7.50
asked by Sarah Walker on May 11, 2018 
physics
A 4.15g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by Meagan on November 4, 2011 
physics
A 6.26g bullet is moving horizontally with a velocity of +344 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by Anonymous on March 27, 2014 
physics
A 7.45g bullet is moving horizontally with a velocity of +348 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by greg on November 4, 2012 
Physics
A satellite of mass m is in Keplerian orbit around a parent body of mass M >>m. The satellite has total energy E and angular momentum l, where angular momentum is measured about the parent body and the zero of potential energy is at infinity. Detnermine
asked by Carole on May 10, 2011 
Physics
A satellite of mass m is in Keplerian orbit around a parent body of mass M >>m. The satellite has total energy E and angular momentum l, where angular momentum is measured about the parent body and the zero of potential energy is at infinity. Detnermine
asked by Carole on May 10, 2011 
Math
The hourly operating cost of an airplane, which seats up to 405 passengers, is estimated to be $5,500. If an airline charges each passenger a fare of $100 per hour of flight, find the hourly profit P it earns operating the airplane as a function of the
asked by Jackie on February 9, 2012 
physics
A 4.63g bullet is moving horizontally with a velocity of +349 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by riley on October 15, 2011 
physics
A 4.15g bullet is moving horizontally with a velocity of +369 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by Meagan on November 4, 2011 
Physics
A satellite of mass m is in Keplerian orbit around a parent body of mass M >>m. The satellite has total energy E and angular momentum l, where angular momentum is measured about the parent body and the zero of potential energy is at infinity. Detnermine
asked by Ferdinand on May 10, 2011 
Math
The hourly operating cost of an airplane, which seats up to 405 passengers, is estimated to be $5,500. If an airline charges each passenger a fare of $100 per hour of flight, find the hourly profit P it earns operating the airplane as a function of the
asked by Jackie on February 9, 2012 
Physics
A 7.45g bullet is moving horizontally with a velocity of +348 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by greg on November 5, 2012 
Math
1. Choose a room you would like to decorate. Measure its length or width. This measurement will be the length of your pennant string. 2. Choose a size of paper square to use. (Hint: Whole number side lengths will make the calculations easier.) 3. Cut the
asked by YRN DJ on November 18, 2015 
physics
A 4.63g bullet is moving horizontally with a velocity of +349 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is
asked by riley on October 16, 2011 
mathfast help please
Find the interior and exterior angle measurements of a polygon with this many sides: x=2y help? I don't want the answer, I just would like to know how to do this one. I don't see why a number of sides is being specified as an equation. The SUM of the
asked by Emily on March 29, 2007 
Algebra 1 (Ms. Sue)
1). Solve each equation. 17 = w  4 2/3s = 6 1/3y + 1/4 = 5/12 x/8  1/2 = 6 5/6x  1/3 = 5/2 2). In 1668, the Hope diamond was reduced from its original weight by about 45 carats, resulting in a diamond weighing about 67 carats. Write and solve an
asked by Anonymous on September 11, 2013 
Math
I need help with these few questions on my homework please :) 1. How much money would you need to pay to receive a payout annuity of $8,503.05 annually for 10 years, assuming your money earns 7.5% compounded annually? Assume that your payments increase
asked by Macy on July 2, 2015 
Math
I need help with these few questions on my homework please :) 1. How much money would you need to pay to receive a payout annuity of $8,503.05 annually for 10 years, assuming your money earns 7.5% compounded annually? Assume that your payments increase
asked by Macy on July 2, 2015 
Math
Given the following LP model (represented abstractly with decision variables X and Y), find the optimal solution using the ‘graphing’ approach. Minimize 5X + 2Y Subject to: 4X + 2Y >= 80 3X + 4Y = 45 2X  Y >= 0 And nonnegativity, of course. Your
asked by Rick on September 22, 2011 
physics
In order to change the angular momentum of an object, it is necessary to apply a. a net force to the object. b. a net torque to the object. c. a centripetal acceleration to the object. d. both a net force and a net torque to the object. We have three
asked by Lindsay on December 24, 2011 
Physics
Totally confused on this question, Please help. 1)In the movie The avengers, Captain America sees an alien speeder incoming. The speeder passes directly overhead at 3.65m. If he throws his shield straight up with a speed of 7.40 m/s from a height of 1.55 m
asked by Kevin on August 24, 2016 
Science in motion pHY 102
Find the net force produced by a 30N force and a 20N force in each of these cases: (a) Both forces act in the same direction. The net force produced by 30N force is 60N The net force produced by 20N force is 40=N Applied Forces Net Forces 30N = 60N
asked by Sharon on August 28, 2014 
Algebra
This is soooo confusing! An airplane flies from New Orleans, Louisiana, to Atlanta, Georgia, at an average rate of 320 miles per hour. The airplane then returns at an average rate of 280 miles per hour. The total travel time is 3 hours. A. Define a
asked by Tim on October 14, 2011 
econ
Hi, I'm just doing my HW and can't find the answer to this problem anywher in the text...help!! Why does the Tiebout model solve the problems with preference revelation that are present with Lindahl pricing? Thank you for using the Jiskha Homework Help
asked by ray ray on June 22, 2007 
Math
#5. If a rancher has one cow with a contagious disease in a herd of 1000, then the time in days “t” for “n” of the cows to become infected is modelled by: t= 5ln((1000n)/999n where “ln()” stands for natural logarithm function. a) Find the
asked by Sam on January 18, 2013 
Calculus III
Hi, this question is about Langrange multipliers. Given f(x,y) = y^2  x^2, subject to the constraint g(x,y) = 0.25x^2 + y^2 = 1, find the max and mins. So I found the partial derivatives for both f(x,y) and g(x,y): fx = 2x fy = 2y gx = 0.5x gy = 2y And
asked by Justin on December 10, 2016 
Calculus III
Hi, this question is about Langrange multipliers. Given f(x,y) = y^2  x^2, subject to the constraint g(x,y) = 0.25x^2 + y^2 = 1, find the max and mins. So I found the partial derivatives for both f(x,y) and g(x,y): fx = 2x fy = 2y gx = 0.5x gy = 2y And
asked by Justin on December 11, 2016 
Calculus III
Hi, this question is about Langrange multipliers. Given f(x,y) = y^2  x^2, subject to the constraint g(x,y) = 0.25x^2 + y^2 = 1, find the max and mins. So I found the partial derivatives for both f(x,y) and g(x,y): fx = 2x fy = 2y gx = 0.5x gy = 2y And
asked by Justin on December 9, 2016 
algebra
solve the system by graphing x+y=4 y=2x+1 I think these are the kind that you take equation #1 and rewrite it as y = x + 4 and do the table for it plot the dots and connect the line for it. then take equation #2 y= 2x+ 1 do the table and do the same and
asked by dan on August 14, 2007 
Math Help (URGENT X10)
This is really urgent so please please please help. The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m)
asked by Anonymous on April 4, 2012 
physics
in a experiment to detrmine the acceleration of free fall 'g' a student attached a length of ticker tape to a metal ball. when the ball was released it fell to the ground pulling the tape through a ticker timer that printed 50 dots per second on the tape.
asked by chelsea on September 22, 2010 
American History
Describe the impact of the social changes of the 1960's on today's culture in America? Female activists demanded more rights for women, whose role in society began to change. Today women are head of big company's. The birth control pill and other
asked by Sue on July 19, 2016 
Physics
I'm understanding most of this physics, but here is one last question I would appreciate help on. Thank you! Okay, so the question involves a figure. A link to the question and the picture with it is below can be found by googling the question along with
asked by Demi on March 26, 2010 
physics
An electron is projected with an initial speed of (1.90x10^6 m/s) into the uniform field between two parallel plates. Assume that the field between the plates is uniform and directed vertically downward, and that the field outside the plates is zero. The
asked by jack on January 31, 2016 
Math
From the top of a 200 foot building, a bird is sighted overhead and a man is observed directly below the bird at ground level. The angle of elevation of the bird is 16*, and the angle of depression of the man is 43* find : a) the distance from the top of
asked by Kiaus on December 14, 2015 
Intermediate Algebra
Am I going in the right track? 8x 1/x + 5x  3/2x = 16x^2  2x/2x^2 + 5x^2  3x/2x^2 16x^2  2x + 5x^2  3x/2x^2 =21x^2  5/2x^2 Find the LCD 6/7z 28, 8/x^2 4x = 7x(x4) Simplify 3x^2  2x/15x10 = x/5 Let's start by looking at your first problem: 8x
asked by Richard on November 3, 2006 
Chemistry
Find the enthalpy of combustion of magnesium using Hess' law given the following data (assume that exactly 100.0 mL of HCl was used in each trial and that HCl is in excess) Magnesium/HCl reaction: Grams of Mg= 0.244g Initial temp= 32.2 degrees celsius
asked by Liz on July 21, 2014 
Physics
As preparation for this problem, review Conceptual Example 10. The drawing shows two planes each about to drop an empty fuel tank. At the moment of release each plane has the same speed of 140 m/s, and each tank is at the same height of 4.00 km above the
asked by Adriana on January 28, 2016 
Math: Distance and Midpoint
Three points on the edge of a circle are (220, 220), (0, 0), and (200, 40), where each unit represents 1 foot. What is the diameter of the circle to the nearest 10 feet? I know the answer is supposed to be 550 ft, but I keep coming up with the wrong
asked by Anonymous on April 24, 2012 
Science
Hi, can someone help me UNDERSTAND this question or something? The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field will equal 46
asked by idontwannabeyouanymore on September 5, 2018 
physics
A mass M = 5 kg moves with an initial speed v = 3 on a level frictionless air track. The mass is initially a distance D = 0.250 m away from a spring with k = 844 N/m, which is mounted rigidly at one end of the air track. The mass compresses the spring a
asked by sara on March 23, 2012 
help me please
today has been very hectic along with homework i found out about 3 tests that i have tommorrow. I have to study for all three of the tests. The first is biology, second, is business law, and third it in Algebra II, and for homework I have to read 10 pages
asked by Stressed Out in MO on October 15, 2007 
Probability
Consider a fire alarm that senses the environment constantly to figure out if there is smoke in the air and hence to conclude whether there is a fire or not. Consider a simple model for this phenomenon. Let Θ be the unknown true state of the environment:
asked by A on April 20, 2014 
Calculus
Water is leaking out of an inverted conical tank at a rate of 10,000 cm^3/min at the same time that water is being pumped into the tank at a constant rate. The tank has height 6m and the diameter at the top is 4m. If the water level is rising at a rate of
asked by Anonymous on September 24, 2011 
Physics
A cylinder with a piston is filled with ideal gas. The gas temperature is held at 450 K. The cylinder is heated by an oven through a square metal rod connected between the oven and the cylinder. The rod has sides d = 2 cm and length L = 2.3 m. (a) If the
asked by Help on November 16, 2010 
Calculus
Let g be a function that is defined for all x, x ≠ 2, such that g(3) = 4 and the derivative of g is g′(x)=(x^2–16)/(x−2), with x ≠ 2. a.Find all values of x where the graph of g has a critical value. b.For each critical value, state whether the
asked by Gary on May 8, 2015 
Physics
Two manned satellites approaching one another at a relative speed of 0.200 m/s intend to dock. The first has a mass of 4.50 multiplied by 103 kg, and the second a mass of 7.50 multiplied by 103 kg. Assume that the positive direction is directed from the
asked by Amy on July 14, 2013 
Pre algebra
Write the following ratio in simplest form 32 min : 36 min A 8:9******************* B 8:36 C 32:9 D 128:144 In a sports equipment locker there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form A
asked by orangygirl on November 4, 2015 
Math
Find the interest rate. All rates are annual interest rates. 1. Principle $400 rate 5% time 1 year A. $10 B. $20 C. $40 D. $200*** 2. Principle $1000 rate 8.5% time 3 year A. 255*** B. 170 C. 22.5 D. 17 3. Principle $200 rate 9% time 1/2 year A. 9 B. 18***
asked by hi on March 14, 2019 
math
This problem has to do with exponential models. The question says, you deposit $1600 in a bank account. Find the balance after 3 years for each of the following situations. The first one says: 1. The account pays 2.5% annual interest compounded monthly. 2.
asked by Cecilia on March 9, 2008 
Math HELP
How do I Find the first and third quartiles, Q1 and Q3, of the following set of numbers? 13,4,12,16,8,14,8,3,10,8 order the data: 3,4,8,8,8,10,12,13,14,16 Quartile I ends at 8 The quartile II ends at 9. quartile III ends at 13 The calculation of the
asked by Denim on March 4, 2007 
Math
Mr Kim mix cement and sand to make a mixture.He uses 2 pails of cement for every 5 pails of sand. (A) Find the ratio of the number of pails of cement to the number of pails of sand. (B) If he uses 24 pails of cement,how many pails of sand does he use? (C)
asked by Dan on October 2, 2014 
Math
11. Figure A’B’C’D’ is a dilation of figure ABCD. Find the scale factor. Classify the dilation as an enlargement or a reduction. (1 point) Scale factor onethird; reduction Scale factor onefourth; reduction Scale factor 3; enlargement* Scale
asked by Anonymous on December 3, 2018 
Math
If 3 people are asked what day of the week they were born, find the probability that i) 2 or 3 are the same. ii) only 2 people are the same.  is this 1/7 x 1/7 ?? If 4 people are asked what day of the week they were born, what is the probability that 2 or
asked by Maria on February 22, 2010 
math
Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level.
asked by HELP on April 17, 2015 
statistics
Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level.
asked by Jane on April 17, 2015 
Exponential Growth and Decay
Can somebody please check my answers? 1. Identify the initial amount a and the growth factor b in the exponential function. g(x)=14*2^x a)a=14, b=x b)a=14, b=2
asked by Sage on February 16, 2016 
Geometry
Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and
asked by Victoria on January 9, 2013 
Geometry
Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and
asked by Victoria on January 10, 2013 
Geometry
Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and
asked by Victoria on January 9, 2013 
English
1. He no longer lives here. 2. He doesn't live here any longer. 3. He doesn't live here anylonger. 4. He no more lives here. 5. He doesn't live here any more. 6. He doesn't live here anymore.  Are they all grammatical? I can
asked by rfvv on November 14, 2017 
math
1. Which is a set of collinear points? J,H,I L,H,J J,G,L L,K,H 2. Use the diagram to identify a segment parallel to. 3. The meadure of angles A is 124. Classify the angle as acute, right, obtuse, or straight. Acute Straight Right Obtuse 4. Find the
asked by i need help on March 14, 2017 
english
I have to find three or four nouns, adjectives, adverbs and verbs from a book. Please can you tell me if I am right? noun  Stanley, lizard, toothbrush. adjectives  sweet, fresh onions. The answer sweet,fresh. He suddenly realised where he'd seen the gold
asked by peter on December 10, 2011 
Physics  Newton's 2nd Law of Motion
Under the action of a constant net force, a 3.1kg object moves a distance of 15 meters in 8.99 seconds starting from rest. What is the magnitude of this net force? I got the answer of 0.58 Newtons, but the book says the solution is 1.2 Newtons. To get
asked by Mike on February 24, 2007 
Word Problem /Math
Angel's car gets 32 miles per gallon and Mo's car gets 22 miles per gallon. When traveling from Morgan Run to Clinton, they both used a whole number of gallons of gas. What is the closest that Morgan Run and Clinton could be? How many gallons did Angel's
asked by Al on December 10, 2006 
maths
The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W (I = W divided by H squared) H 2 Where I is the body mass, W is the person’s weight in kg, and H is the
asked by katie on May 12, 2007 
physics
An adult person is holding their arm straight out to their side. Their kid is hanging from their wrist, dangling. The kid has a mass of 20 kg. The length of adult’s arm between the shoulder and the wrist from which the kid is hanging is 0.7 m. The mass
asked by Jessica on July 12, 2012 
algebra
a storage bin is shaped like a cylinder with a hemisphere shaped top. the cylinder is 45 inches tall. the volume of the bin is 4131 pi cubic inches. find the radius of the bin. i think [4(pi)r(cubed)]/3=volume of hemisphere and h (pi) r squared volume of
asked by ken on November 1, 2010 
Triangles/Math
All of these are triangles Find the areas of the triangles 1. 8 is base and 5 is height A=bxh divided by 2 8x5=40 divided by 2=20 2. 6 is base and 7 is height A=bxh divided by 2 7x6=42 divided by 2=21 3. 12 is base and 5 is height A=bxh divided by 2
asked by Connor on January 18, 2012 
History / English
I can't find the answer to this anywhere! Help? What did Henry II do that solidified his power as king but led to economic problems and helped incite conflict with the church?  executed all bishops who were opposed to his rule  gave enormous financial
asked by Karen on February 10, 2010 
PHYSICS
A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by sel on January 28, 2014 
PHYSICS
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by matt on October 9, 2013 
Physics
A block of mass m1 = 27 kg rests on a wedge of angle θ = 54∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by Anonymous on October 10, 2013 
physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by Anonymous on October 9, 2013 
physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by matt on October 9, 2013 
physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by radjish on October 8, 2013 
physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by sel on January 28, 2014 
Physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then
asked by sel on January 28, 2014
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