
physic
A solid shaft of 65mm outside diameter and a hollow shaft of 85mm outside diameter are connected by 6 bolts with the mean pitch of thread being 155mm. The shear stress due to the torque on the shafts is equal to the shear stress on the bolts. a) Find the
asked by Michel on April 2, 2009 
Physics
My problem question: "A ball is thrown up onto a roof, landing 4.0 seconds later at a height of 20.0 m above where it was thrown. The ball's velocity vector upon landing on the roof top was angled 60 degrees to the horizontal flat roof top. Find the
asked by Thuy on October 7, 2010 
math
A. In 1 year Kristen will be four times as old as Danielle. Ten years from then Kristen will only be twice as old as Danielle. How old is Kristen now? B. The greater of two integers is 4 times the lesser. Of the lesser integer is increased by 12, the
asked by rita on July 14, 2013 
physics
a wheel having diameter 2m starts from rest and accelerates uniformly to an angular velocity of 75 revoulutions per minute in 5s. calculate its angular acceleration? Q; one of the rectangular components of velocity of 80km/hr find other component? Q:the
asked by vishal on September 27, 2010 
math
A person standing on the roof of a building throws a ball directly upward. The ball misses the rooftop on its way down and eventually strikes the ground. The function s(t) = −16t2 + 64t + 80 describes the ball’s height above the ground, s(t) , in feet,
asked by faith on December 15, 2011 
Pre Calc
You have recently been promoted and are now a senior pilot with BHS Exprress, providing courteous and timely service to countless cities across the Northeast. In order to arrive in New York City at the scheduled time, you know you must fly at a speed of
asked by Sarah on February 16, 2018 
english 11
1. In persuasive writing, it is important to (1 point)anticipate and address counterarguments. clearly state your position. provide facts and examples to back up your position. practice all of the above. 2. “Redskin” was originally a term for (1
asked by jason on March 9, 2012 
science
name each ion 1. As3 2. Ca2+ 3. H Since this is not my area of expertise, I searched Google under the key words "H ion", As3 ion" (Sure you don't mean "+"?) and Ca2+ ion" to get these possible sources: http://www.hminusion.org/
asked by Kathleen on April 25, 2007 
Intermediate Algebra
I have a take home test and I'm stuck on a couple. Anyone help please? 1. Find the vertex & axis of symmetry: 5(x+4)^24 2. Find the vertex & axis of symmetry: y=x^210x+3 3. Simplify: (2i+5)(3+4i) 4. Simplify: 3(21+2i)+(45i) 5. Simplify: (27x^2y^3)^3/4
asked by Krystle on April 4, 2008 
English
anyone know where my other question went regarding the mythology sources??? much needed.... Thanks for reading this :) nvm i found it :) thanks to all who answered: its on page 4 i believe ok yeah i need more resourcesfor that topic :( This one???
asked by Alexx on June 27, 2007 
math
Write the decimal as a percent: 0.3 4. Write the decimal as a percent: 5.16 5. Write the percent as a decimal: 61% 6. Order from least to greatest: 68%, one half , 0.55, 1.28 7. Write the fraction as a percent. If necessary, round to the nearest tenth of a
asked by lynn on January 8, 2019 
probability and statistics I NEED HELP
The MSU basketball team is playing OU. If the probability that MSU wins the game is 0.68 and the probability that OU wins is 0.27. 1. Find the probability that MSU or OU wins. 2. Find the Probability that there is a tie.
asked by Emily on May 11, 2011 
College Algebra
3x1/x^210x+26 Find all (real) zeros of the function Find all (real) poles of the function The function has... A horizontal asymptote at 0? A nonzero horizontal asymptote? A slant asymptote? None of the above
asked by Kenzie on November 5, 2012 
probability and statistics
The MSU basketball team is playing OU. If the probability that MSU wins the game is 0.68 and the probability that OU wins is 0.27. 1. Find the probability that MSU or OU wins. 2. Find the Probability that there is a tie.
asked by Emily on May 11, 2011 
Calculus
find derivitive of 1/square root of x 1/square root of x = x^(1/2) The derivative is 1/2 x^(3/2) can you keep going on the problem to not have negative exponents? You can also use that the derivative of 1/f(x) is given by: f'(x)/[f(x)]^2 If you take
asked by Linds on January 18, 2007 
Need help at this very minute with physics
In Figure 1053, two blocks, of mass m1 =400 g and m2 =600 g, are connected by a massless cord that is wrapped around a uniform disk of mass M = 500 g and radius R = 12.0 cm. The disk can rotate without friction about a fixed horizontal axis through its
asked by John on December 1, 2006 
health
The purpose of environmental epidemiology studies is to prove that an environmental agent is the cause of a particular adverse effect. True False 2. Which of the following is not an accurate statement about doseresponse? The NOAEL is the highest data
asked by manyy on September 22, 2008 
to ms.sue
the table below shows the approximate population for the 10 least populated countries in the world.use the data to estimate answers to the problem. vatican city 900 tuvalu 11,000 nauru 13,000 palau 20,000 san marino 28,000 manaco 32,000 liechtenstein
asked by Celest on April 11, 2012 
Physics
I have figured out everything except the last part of this problem. No clue how to figure that can someone help me... When jumping straight down, you can be seriously injured if you land stifflegged. One way to avoid injury is to bend your knees upon
asked by Brandon on November 2, 2008 
social studies
Drag and drop the correct reasons for European expansion in Africa and India during the 1800s. Choices may be used once or not at all. Reasons for European Expansion into Africa and India During the 1800s A. to gain raw materials B. to learn about other
asked by woohoo on November 30, 2018 
statistics
If Z is a standard deviation, find the probability that Z lies between 1.10 and 0.36 You have not provided enough information to answer that question. Besides, a different symbol should be used for the standard deviation and the variable (Z) itself. Are
asked by Artie on August 4, 2007 
Physics
Question: A force of 25N pushes a curling rock from rest 1.0 m across a frictionless surface. Find the FINAL kinetic energy. attempts: Well i guess it would be changeinEk so i tried Wnet=changeinEk fnet x changeinD = 1/2mvf^21/2mvi^2 to fnet x changeinD
asked by Anonymous on December 4, 2014 
Physics
Question: A force of 25N pushes a curling rock from rest 1.0 m across a frictionless surface. Find the FINAL kinetic energy. attempts: Well i guess it would be changeinEk so i tried Wnet=changeinEk fnet x changeinD = 1/2mvf^21/2mvi^2 to fnet x changeinD
asked by Anonymous on December 4, 2014 
Physics  Collisions and conservation of momentum
A baseball and a ball of clay are approaching each other. The mass of the baseball is 145 g and it is moving due west 5 m/s at 180 degrees. The ball of clay is 290 g and it is moving northwest at 135 degrees at 4 m/s. What is the magnitude of their
asked by tyger2020 on September 2, 2017 
Calculus
The marginal profit in dollars on Brie cheese sold at a cheese store is given by P'(x)=x(60x^2+30x), where x is the amount of cheese sold in hundreds of pounds. The "profit" is $50 when cheese is sold. a. Find the profit function. P(x)= b. Find the profit
asked by Duane on December 4, 2014 
MATH
The path of a large stone fired from a catapult can be modeled by y= 0.00545x^2+1.145x where x is the distance the stone traveled (in yards) and y is the height of the stone (in yards). 1. find the distance the stone traveled. 2. find the maximum height
asked by Shannon on December 7, 2010 
Science
The diagram below shows a process in Earth's crust. Which of the following statements best describes the process in the diagram. A Converging plates from Mountains B Converging plates from Volcanoes C Diverging plates form Mountains D Diverging plates form
asked by Anonymous on April 20, 2015 
Math
Hi everyone. Would someone be able to help me with this problems? I know it's a lot, if you only want to help with one or two, that is fine!! 9. Could you show how to use factoring and the zeroproudct property to find the zeros of each quadratic function?
asked by Eliza on November 19, 2008 
Chemistry  Ksp
i did an experiment where we titrated HCl on calcium hydroxide, and now i am confused with the calculations, i do not know if i am correct, so please help me out... Trial One volume of HCl used  11.20mL concentration of HCl  0.04mol/L so to get moles of
asked by Farah on April 25, 2011 
PHYSICS
A bat strikes a 0.145kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0 m/s , and it leaves the bat traveling to the left at an angle of 40degrees above horizontal with a speed of 65.0 m/s . The ball and bat are in
asked by NOT char on March 30, 2012 
Dosage calculations  Bob, please help
Weight  20 pounds 6 ounces Ordered dose  1.5mg per kilogram per day recommended dosage from drug label  3mg every 8 hours. 1.What is the individual dose? to find the individual dose i'll first convert pounds to kg which is 9.26 kg. I will then multiply
asked by John on April 13, 2016 
precalc
Given a square matrix M, we say that a nonzero vector v is an eigenvector of M if Mv=kv for some real number k. The real number k is called the eigenvalue of v with respect to M. 1. Let v be an eigenvector of the matrix M with eigenvalue k. Find a simple
asked by katie on August 7, 2016 
physics
a jet airliner moving initially at 3..00X10^2 mi/h due east enters a region where the wind is blowing 1.0 x 10^2 mi/h in a direction 30 degrees north of east. A) find the components of the velocity of the jet airliner relative to the air. b) find the
asked by joshua on October 2, 2011 
Business Law/ Partnership Contract
I'm trying to write a partnership contract but not sure if it sounds ok....Please let me know if I should change anything. This Agreement is made between Tim (“Couch”) and Bert (“Parker”) on February 1, 2011. Couch and Parker are sometimes referred
asked by crystal on February 8, 2011 
Calculus
A baseball team plays in a stadium that holds 68000 spectators. With the ticket price at $11 the average attendence has been 27000. When the price dropped to $10, the average attendence rose to 34000. Assume that attendence is linearly related to ticket
asked by Mia on October 15, 2016 
Math
Wile E. Coyote catapults himself off of a 500 ft. cliff with an initial velocity of 20 ft/sec. His height t seconds after catapulting is given by the function h(t) = −16t2 + 20t + 500 . (Note the yintercept of (0, 500). a. Find his maximum height (Hint:
asked by Irina on September 12, 2014 
physics bobpursly help still having trouble
A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. A large fragment m=60 kg is ejected in the backwards direction so that it is stationary with respect to the earth and falls
asked by Andy on December 2, 2009 
Algebra1
Books: Over the summer, you read 20 books. Eight of these books were biographies. a. Find the ratio of biographies to the total number of books. b. Find the ratio of nonbiographies to biographies. c. Find the ratio of nonbiographies to the total number
asked by Peter on October 3, 2013 
Math  Maxima and Minima
The height, h, in metres, of a ski ramp over a horizonatal distance, x, in metres, is given by h(x)=0.01x^30.3x^2+60 for the interval 0 less than or equal to x less than or equal to 22. a) Find the vertical drop from the top of the ramp to the lowest
asked by Anonymous on October 23, 2010 
to writeacher
The Pines 1. does that mean that he knows the woods in and out? is that what your trying to say? 2. i don't understand exactly what the contradiction is try to tell us also, the mood is still unclear to me but i am thinking it might be related to that poem
asked by anonymous on October 9, 2006 
Statistics
I am respectfully requesting help with the following assignment. I am struggling in this chapter of statistics... Define the term sample? A) A sample is a numeric characteristic of a sample B) A sample is a numeric characteristic of a population C) A
asked by Lisa on August 26, 2013 
calculus
A piece of elastic is attached to two nails on a flat board, with a button attached to the midpoint of the elastic. The ails are 5 cm apart. You stretch the elastic by pulling the button along the board i the direction that is perpendicular to the line
asked by Equihua on January 4, 2013 
Physics
A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity
asked by Anonymous on February 2, 2012 
Physics
A ball is thrown horizontally from the top of a building 21.6 m high. The ball strikes the ground at a point 123 m from the base of the building. Find the x component of its velocity just before it strikes the ground. Find the y component of its velocity
asked by Madison on February 4, 2012 
Calculus Please Help
Given the numerical values shown for the function f(x), find approximate values for the derivative of f(x) at each of the xvalues given. x= 0 1 2 3 4 5 6 7 8 f(x)= 13 15 16 17 17 14 11 9 7 f'(x)= 2 1 1 1 0 3 3 2 2 What seems to be the greatest rate of
asked by Celine on February 21, 2011 
S+E Middle Ages
http://www.google.com/search?sourceid=navclient&ie=UTF8&rls=SUNA,SUNA:200645,SUNA:en&q=herbal+remedies+medieval I searched for herbal remedies medieval and these are the results. I hope there's something useful in here for you. =) I am doing herb lore
asked by Writeacher on November 8, 2006 
third side (picture attached)
I have already asked this in another thread. Here is more explanation: The radius of earth's orbit is 1.5 * 10^8km & the radius of venus's orbit is 1.1 * 10^8 km. We need to find out the distance from earth to venus for both positions of venus. A picture
asked by Jen on November 10, 2006 
classical mechanics
A bar of mass and negligible height is lying horizontally across and perpendicular to a pair of counter rotating rollers as shown in the figure. The rollers are separated by a distance . There is a coefficient of kinetic friction between each roller and
asked by socorro on December 10, 2013 
Ms. Sue LAng arts
HI im going to have like 10 questions of these and plz check my answers. thx here is the story: In Praise of Companion Animals Here is a proposal that is sure to anger some people: Everyone— yes, everyone—should have a pet. I think we should require
asked by Annyomuos on April 10, 2013 
algebra
At a crime scene, police officers find a murder victim in a tub full of warm water. A thermometer shows that the water temperature is 75 degrees F and the air temperature is 70 degrees F. It is known that most people fill a tub with water at 100 degrees F.
asked by Andrea on December 12, 2012 
please check my math2
Two bodies hang on a string 2.1m long. The two bodies have a mass of 3.75kg and 2.4kg respectively. If the 3.75kg mass is raised to a height of 0.545m and released, and if upon impact the mass adhere. Mass1 = 3.75 kg Mass2 = 2.4 kg String length = 2.1 m M1
asked by Henri on March 21, 2009 
Physics, emf, magnetic flux
A circular loop of wire with radius 0.100 m and resistance R = 5.00 Ω. The loop is placed in a magnetic field of strength B = 0.125 T, which can be rotated. The angle of the magnetic field with respect to the normal of the loop is θ(t), where t denotes
asked by Anon on January 24, 2018 
math
Problem #1: Find the total amount if you deposit $500 at a rate of 5% for two years using simple interest. Year 1 Year 2 Problem #2: Find the total amount if you deposit $300 at a rate of 6% for three years using simple interest. Year 1 Year 2 Year 3
asked by Boobear on April 12, 2013 
math
M is partly constant and partly varies with N, when N = 14, M = 150 and when N = 54, M = 192. Find the formula connecting M and N hence find M when N = 73 solutions m = k + cn 192 = k + 54c.................... (1) 150 = k + 14c.................... (2)
asked by Austen Victoria on February 7, 2017 
Physics
From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = 3.67 m/s
asked by <3 on September 15, 2013 
Math
I have two questions that I need help with. 1. Angle of Depression: A Global Positioning System satellite orbits 12,500 miles above Earth's surface. Find the angle of depression from the satellite to the horizon. Assume the radius of Earth is 4000 miles.
asked by Danielle on March 25, 2008 
Chemistry
Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm3, and an atomic weight of 50.9 g/mol. I used this equation: density = (2)*(atomic weight) / (volume of unit cell)*(Avagodro's #) rearranged to find
asked by Kyle on January 16, 2013 
Chemistry
Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96 g/cm3, and an atomic weight of 50.9 g/mol. I used this equation: density = (2)*(atomic weight) / (volume of unit cell)*(Avagodro's #) rearranged to find
asked by Kyle on January 16, 2013 
math
A passenger train travelled at an average speed of 72 km/h. A man on the passenger train observed a goods train, which was travelling at a speed of 54 km/h, in the oncoming direction. If the goods train passed him in 10 seconds, find the length of the
asked by Im on September 3, 2012 
statistics
Container 1 has 8 items, 3 of which are defective. Container 2 has 5 items, 2 of which are defective. If one item is drawn independently from each container: Find the probability distribution for X defined as the number of defective items drawn(Hint: You
asked by Marla on November 8, 2010 
Science
The airplane can take off when its airspeed (speed of the air flowing over the wing) is equal to 65 knots. What is the length of runway required for the plane to take off if there is a 13 knots head wind? The runway at the Tallahassee Regional Airport has
asked by Emi on September 20, 2015 
Algebra 1
You are designing a wall mural that will be composed of squares of different sizes. One of the requirements of your design is that the side length of each square is itself a perfect square. 1. If you represent the side length of a square as x^2, write an
asked by Jynessa on December 4, 2013 
mathgeometry
1. A rhombus has a perimeter of 96, and the length of one of its diagonals is 32. The area of the circle inscribed in the rhombus can be expressed as k*pi/w where k and w are relatively prime positive integers. Find the value of k + w. 2. The base and
asked by jujube on January 20, 2008 
Trigonometry
Find all solutions between 0 and 2pi. Round to two decimal places. In radians. Find all solutions between 0 and 2 pi. Round to two decimal places for the final solutions. The answers should be in radian mode. If you can use exact values use them. At least
asked by Taylor B on May 13, 2013 
international business
For many global companies, China represents a very attractive market in terms of size and growth rate. Yet, it ranks lower in terms of economic freedom and higher in political risk than other country markets because it has a communist government. Despite
asked by constance on October 29, 2006 
physics
A car traveling at 53 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 65 cm (with respect to the road) while being brought to rest by an air bag. What magnitude of foce (assume constant) acts on the passengers's upper torso,
asked by Lars on November 12, 2006 
Math
1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of onehalf , find
asked by Briana T on December 6, 2012 
english.
1. Read the following stanza from “Alone”: Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I came up with one thing And I don’t believe I’m wrong That nobody, But nobody Can make it out
asked by ashley on April 28, 2013 
english
1. Read the following stanza from “Alone”: Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I came up with one thing And I don’t believe I’m wrong That nobody, But nobody Can make it out
asked by amber on May 1, 2013 
math
A tank was 3/5 filled with water. After removing 120 litres of water from the tank it was 1/5 filled. a)Find the amount of water the tank can hold when completely filed. b)If one litre of water has a mass of 1 kg, find the mass of water in the tank when
asked by sherika on February 13, 2013 
math
Find the initial amount given an exponential function. Given the equation y = 24(0.77)^t, what is the initial amount? To find the initial amount, I need to replace t with 0. When I do that, I get y = 24(0.77)^0 which is y = 24(1), so y = 24 In doing other
asked by Carly on November 30, 2016 
Math
Let R be the region bounded by y = ln x, xaxis, and x = 3. Answer the following. a) Write, but do not solve, an integral expression that will find the volume of the solid that results from rotating R about x = 2. b) Write, but do not solve, an integral
asked by Jessica on June 23, 2016 
Maths
A closed box in the shape of a cuboid has dimensions x cm, y cm and 5 cm. The volume of the box is 40 cm^3 and the external surface area is 76 cm^2. A) use the information about the volume to find and equation connecting x and y B) use the information
asked by Anonymous on November 7, 2015 
physics 203
Water (p=1000kg/m^3) enters a pipe on the ground with an inside diameter of 2cm at a pressure of 4x10^5 Pa. Then a 1cm diameter pipe leads the water to a height of 5m above the ground. The flow speed at the inlet is v1=1.5m/s. A) Find the flow speed at
asked by ash on April 9, 2013 
electrodynamics  max radiation angle
can anyone offer advice to find ƒÆmax after one has found that cosƒÆmax=[ã(1+15ƒÀ2)+1]/3ƒÀ ? I do not really understand the approximation given where ƒÀ=1ƒÃ Thanks Sorry ƒÆ > theta ã > square root ƒÀ > beta ƒÃ  > E
asked by manny on August 18, 2007 
Math
The top of a swimming pool is in the shape of a rectangle measuring 44 feet by 24 feet. Two of the sides of the pool are trapezoids. The water is 9 feet deep in the deep end and 3 feet deep in the shallow end. Find the volume of the water in the pool.
asked by asuadg31 on February 9, 2018 
cjs/210
Can someone help me find a website to find the answers to the following questions? Examples of technology used in policing and how technology enhances or detracts from police organizations’ ability to function Examples of lessthanlethal weapons and how
asked by Meka S on July 17, 2012 
math
A company rents its care for a daily fee, plus an additional charge per miles driven. Trip one is 4 days, 450 miles, and cost $244.50 for the rental. Trip two is 3 days, 200 miles and cost 149.00 for the rental. Find the daily fee, and find the mileage
asked by Maria on December 5, 2014 
Physics
Question: Two strings at different lengths and linear densities are joined together. They are stretched so that the tension in each string is 190.0 N. The free ends are fixed in place. Find the lowest frequency that permits standing waves in both strings
asked by Tina on July 11, 2011 
physics
Physics Genius! please let me! Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 6.12 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.36 kg and r1 = 2.20
asked by Lola on July 2, 2015 
Physics
Hi, here's a problem that I have difficulty with to solve. Block M2, w/c has a 20 kg mass, is on a frictionless table and it is firmly attached to one end of a spring with k = 2.5 N/m. The other end of the spring is anchored to the wall. Another block, M1
asked by Chika on November 2, 2011 
Pencils
Hey guys, I know this is a homework site, but I cant seem to find this anywhere on the web. I cant seem to find this pencil my chemistry teacher suggested to get, since I'm on the chem league, we will be doing a lot of Multiple Choice questions and this
asked by Jackie on October 26, 2008 
Math
I am supposed to find the area of the shaded section of a circle. The circle is cut with two radi with an angle of 60 degrees. Then where the radi touch the circle another line is drawn to connect them. The triangle and the small section between the
asked by Punkie on December 16, 2009 
Gas Law Chemistry
I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure
asked by Amy on October 25, 2012 
physics
Problem: A long cylinder of diameter 2a has a charge per unit length, lambda, that is uniformly distributed down a very long wire. The cross section of the cylinder is not uniform, with a small hole drilled into it, which has a center at r = R and a
asked by Cory on February 20, 2015 
CHEMISTRY, PLEASE HELP!!
ive been searching forever and i need to know what chromium (II) sulfate does, like what people use it for , whats its use...please help! I looked it up in my copy of The Merck Index, page 2309, 12th edition and it lists the following: "Use: analytical
asked by INEEDHELP!!! on December 9, 2006 
Chemistry.HELP (IONS)
Determne the boiling point of 16.3g of calcium chloride dissolved in 250. g water. My work: 16.3 g CaCl2 *(1 mole CaCl2/110.984 g Cacl2)= 0.147 mol CaCl2 M= 0.147/0.250kg =0.588 mCaCl2 ... From here, How do you find out how many ions CaCl2 has. Calcium has
asked by Julia on February 9, 2017 
Finite Math
At a price of $ 1.94 per bushel, the supply corn in 9,800 million bushel and the demand is 9, 300 million bushel. At a price of $1.82 per bushel, the supply is 9,400 million bushels and the demand is 9, 500 million bushels. A, find a pricesupply equation
asked by daylo3 on January 23, 2011 
Math check
A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15. (a) This sample of 26 has a mean value of x, which belongs to a sampling distribution. Find the shape of this sampling distribution.
asked by Sue 76 on June 17, 2013 
algebra
Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show
asked by stephanie on December 11, 2009 
algebra
Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show
asked by steph on December 8, 2009 
ALGEBRA
Find the range and the variance (correct to one decimal place). 77, 92, 93, 93, 98 (b) Find the variance = I had the range correct except the variance.
asked by Urgen please help on June 3, 2012 
calculus
Find the average value of the function f(x)=8x^25x+6 , on the interval [3,5]. Find the value of xcoordinate at which the function assumes it's average value. what is the average value = to ? what is the x coordinate = to ? Thanks
asked by li on December 3, 2011 
5 grade math
use division to find an equivalent fraction. (1) 15 __ 20 (2) 4 ___ 18 use multiplication to find an equivalent fraction. (1) 3 ___ 8 (2) 1 ___ 3
asked by dk on January 17, 2012 
american history
What was the significance of the closing of the Silk Road? It gave Europeans the incentive to establish new overland trails into territories in Asia. It inspired Europeans to discover the hidden secret of creating their own silk textiles. It encouraged
asked by Kayla on July 5, 2018 
MATH
Help please :) The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles. The measures of an angle and its complement differ by 22 degrees. Find the measures of the
asked by Sarah on August 16, 2009 
Math
Cameron is located 2 miles due East of an intersection between two country roads. He decides to walk in a straight line (crosscountry) toward a position 3 miles due North of the intersection; it takes Cameron one hour to reach that location. (a) Find
asked by SC on January 18, 2010 
nova
7) You throw a 12N stone vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is traveling at 25.0 m/s upward. Use the work –energy theorem to find (a) the stone’s speed just as it left the ground and (b)
asked by papy on September 20, 2014 
Math
Find the missing measurement for each triangle. 1. A= 16 in squared, b= 8 in., h=? My answer 4 in. 2. A= 20 m squared, b=___, h = 4 m. My answer b=10. 3. A=____, b=6.4ft. h=7.6ft My answer A=24.32ft square. 4. A=14 cm squared, b=2cm, h=___ My answer 14cm.
asked by Khrys on April 10, 2014 
Physics => waves
It's a simple problem I think but I can't get the answers to match with the book. A particle fingering flute sounds note with frequency of 880Hz at 20 deg celcius(343m/s => sound wave speed) The flute is open at both ends. a) find the air column length b)
asked by ~christina~ on March 12, 2008
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