Questions Asked on
November 17, 2011

cheistry
Write a net ionic equation for the overall reaction that occurs when aqueous solutions of hydrosulfuric acid and potassium hydroxide are combined. Assume excess base.
asked by savannah 
physics
starting from reast a boat increases its speed to 4.12 m/s with constant acceleration. (a) what is the boat's average speed? (b) If it take the boat 4.77s to reach this speed, how for has it traveled?
asked by taylor 
Chemistry
Calculate the standard enthalpy change for the reaction 2C8H18(l)+17O2(g)> 16CO(g) + 18H2O(l) Given 2C8H18(l)+25O2(g)>16CO2(g)+18H2O(l) deltaH=11020 kj/mol 2CO(g)+ O2(g)>2CO2(g) Delta H=566.0 kj/mol The > is supposed to be an arrow :)
asked by Nicole 
physics
A child slides down a hill on a toboggan with an acceleration if 1.5 m/s2^2. If she starts at rest, how far has she traveled in (a) 1.0s,(b) 2.0s, and (c) 3.0s?
asked by taylor 
Chemistry
A 30.00mL sample of 0.150M KOH is titrated with 0.125M HClO4 solution. Calculate the pH after the following volumes of acid have been added: 30.0 mL, 35.0 mL, 36.0 mL, 37.0 mL, 40.0 mL
asked by Shana 
Physics
A parachutist descending at a speed of 10.0 m/s loses a shoe at an altitude of 40.0 m. (Assume the positive direction is upward.) when does the shoe reach the ground??
asked by Anonymous 
chemistry
What is the solubility of silver carbonate in 0.1 M Na2CO3
asked by brittany 
Chemistry
A candy sample is completely combusted in a bomb calorimeter. The calorimeter contains 982 g of water, and the measured temperature increase is 2.62°C. What is the fuel value of the candy sample in nutritional Calories?
asked by Chemistry Chick 
algebra
Which properties did Carmen use to solve the following problem? 17 + (45 + 23) 17 + (23 + 45) (17 + 23) + 45 40 + 45 85
asked by garrett 
physics
Air bags are designed to deploy in 10 ms. Estimate the acceleration of the front surface of the ba as it expands. Express your answer in terms of the acceleration of gravity g.
asked by taylor 
statistics
The National Association of Realtors estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2004 is obtained what is the probability that at least 175 homes are going to be used as
asked by ugo 
Calculus
Evaluate the integral by interpreting it in terms of areas. In other words, draw a picture of the region the integral represents, and find the area using high school geometry. interval 0 to 11 3x15dx
asked by Anonymous 
chemistry
2Na3PO4(aq)+3 Ba(NO3)2(aq)>Ba3(PO4)2(s)+6NaNO3(aq) a solution containing 3.50g of Na3PO4 is mixed with a solution containing 6.40g of Ba(NO3)2 how many grams of product can be formed? and if the above reaction resulted in 3.659 g of white powder, what
asked by mckayla 
English/ 11th grade
Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below... 1)When you obey your parents, you please the Lord. Adverb clause: When you obey your parents Subordinating conjunction:
asked by Amy 
statistics
1. A state’s department of education reports that 12% of the high school students in that state attend private schools. The state university wonders if the percentage is the same in their applicant pool. Admissions officers plan to check a random sample
asked by fast eddie 
calculus
a fence 8 ft tall stands on level ground and runs parallel to a tall building. if the fence is 1 ft from the building, find the length of the shortest ladder that will extend from the ground over the fence to the wall of the building. (hint #1: if L
asked by robert 
calculus
An oil can is to be made in the form of a right circular cylinder to have a volume of 16 pie inches cubed. Find the dimensions of the can that requires the least amount of material
asked by Betty 
math
find the opposite or additive inverse of 38
asked by Willis 
Physics
The position of a mass oscillating on a spring is given by x=(4.7 cm)cos [2pi t/(0.52 s)]. What is the period of this motion? What is the first time the mass is at the position x=0?
asked by Cooper 
physics
You are driving through town at 12.0 m/s when suddenly a ball rolls out in front of you. You apply the brakes and begin decelerating at 3.5 m/s^2.(a)How far do you travel before stopping?(b)When you have traveled only half the distance in part(a), is your
asked by taylor 
science
is cinnamon ionic or covalent
asked by kylie 
government
What are two alternatives for the high case load fo the supreme court?
asked by polly 
chemistry
What is the solubility of silver carbonate (Ag2CO3) in pure water
asked by brittany 
Alg. II
Simplify. Identify any xvalues for which the expression is undefined. 1. (4x8)/(x^22x) 2. (8x4)/(2x^2+9x5)
asked by Lily 
Physics
A ball rolls on a circular track of radius 0.65 m with a constant angular speed of 1.2 rad/s in the counterclockwise direction. Part A If the angular position of the ball at t= 0 is theta= 0, find the x component of the ball's position at the time 2.6 s.
asked by Cooper 
Chemistry
A buffer solution contains HC2H3O2 at a concentration of 0.225 M NaC2H3O at a concentration of 0.164 M. The value of Ka for acetic acid is 1.75 × 105. Calculate the pH of this solution using the HendersonHasselbalch equation. Could you please show
asked by Chemistry Chick 
5th grade math
A class consist of half as many boys as girls, if there are 14 boys how many girls are there
asked by janet 
Physics
In an electronics factory, small cabinets slide down a 30 degree incline a distance of 16 m along the incline to the next assembly stage. The cabinets have a mass of 10 kg each. Calculate the speed each cabinet would acquire if the incline were
asked by Brooke 
Physics
The outside mirror on the passenger side of a car is convex and has a focal length of 7.2 cm. Relative to this mirror, a truck traveling in the rear has an object distance of 20 m. Find (a) the image distance and (b) the magnification of the mirror.
asked by Kristi 
Physics
Your heart beats with a frequency of 1.35 Hz. How many beats occur in a minute? If the frequency of your heartbeat increases, will the number of beats in a minute increase, decrease, or stay the same? How many beats occur in a minute if the frequency
asked by Cooper 
Physics
A hammer slides down a roof that makes a 40.0 degree angle with the horizontal. What are the magnitudes of the components of the hammer's velocity at the edge of the roof if it is moving at a speed of 4.25m/s?
asked by Wilson 
Algerbra 1
Translate into an algerbraic expression One more than three times a number The translation is (Type expression using x as variable) Simplify 42xy/49x The answer is Type as integer of fraction Use a commutative law to fin an equivalent expression nm An
asked by Connie 
Chemistry
Purple light in the visible region of the electromagnetic spectrum has a shorter wavelength than does the green region of the spectrum. Which of the following can you conclude? Is it: a)a photon of purple light has a higher frequency than does a photon of
asked by Lisa 
Physics
A .5 kg block is sliding along a tabletop with an initial velocity of .20 m/s. It slides to rest in a distance of .7m. Find the frictional force regarding it motion. The answer given is .0143 N but I do not understand how to get that.
asked by Brooke 
maths
Two planes take off from the same airport at the same time. One plane travels on a bearing S 12degreeW at 400 miles per hour. The other plane travels on a bearing N 75degreeE at 300 miles per hour. How far are the planes from each other 3 hours after
asked by ritu 
physics
when you see a traffic light turn red you apply the brakes until you come to a stop. if your initial speed was 12 m/s, and you were heading heading due west, what was your average velocity during braking? Assume constant deceleration.
asked by taylor 
physics
A 3.28kg bucket is attached to a diskshaped pulley of radius 0.108 m and mass 0.727 kg. (a) If the bucket is allowed to fall, what is its linear acceleration? (b) What is the angular acceleration of the pulley? (c) How far does the bucket drop in 1.65 s?
asked by tara 
Living environment
9.When lions prey on a herd of antelope, some of the antelope are eliminated. Which part of the theory of evolution can be used to describe this situation? (1) sexual reproduction of the fittest (2) isolation of the species (3) survival of the best adapted
asked by SYNC 
physics
On october 9,1992, a 27 pound meteorite struck a car in peeskill,NY leaving a dent 22 cm deep on the trunk. If the meteorite struck the car with a speed of 550 m/s, what was the magnitude of its deceleration, assuming it to be content?
asked by taylor 
physics.pls help
An ice hut used for winter fishing is at rest on a level patch of snow. The mass of the hut is 80kg. A wind exerts a horizontal force of 205N on the hut, and causes it to accelerate. While in motion, the magnitude of the force of friction acting on the hut
asked by ted 
Physics
In unitvector notation, what is the torque about the origin on a particle located at coordinates (0, 4.90 m, 4.04 m) due to (a) force 1 with components F1x = 2.67 N and F1y = F1z = 0, and (b) force 2 with components F2x = 0, F2y = 1.23 N, F2z = 5.41 N?
asked by Em 
math
How many different 3 digit numbers less than 500 can be made using the digits 3, 4, 5, and 6 if the digits can be used only once
asked by Anonymous 
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 
calculus
Two cars start moving from the same point. One travels south at 28mi/h and the other travels west at 50mi/h. At what rate is the distance between the cars increasing 4 hours later?
asked by L.J 
Chemistry
Fermentation of carbohydrates is a source of 1. ethanol 2. MTBE 3. methanol 4. ethers I am working on self test in the book, but the answer is not in the back of the book for this. Any help??
asked by nan 
math
using problem 1721 calculate the first 2 years depreciation assuming the units of production method. this machine is expceted to produce 120,000 units. in year 1 it produced 19,000 units and in year 2 38,000 units problem 1721 Jim company bought a
asked by Anonymous 
Chemistry
What is the minimum volume of 6.5M HCl required to completely dissolve 24.0g of magnesium metal?
asked by Lorena 
math
you need exactly A 1680 ft3 aquarium for you fish. at the pet store you see four chices of aquariums, but the volume is not listed. the length, width, and height are listed on the box. which of the following aquarioums would fit your needs? a)
asked by iris 
calculus
A man starts walking north at 3ft/s from a point P. Five minutes later, a woman starts walking south at 6ft/s from a point 500ft due east of P. At what rate are the people moving apart 15min after the woman starts walking?
asked by L.J 
art
Compare Manet’s Olympia to Millais’s Ophelia. Discuss how each work represents the artist and his period
asked by Eve 
english
what is the adverb in the sentence They are always late for ballgames. is it always
asked by dylan 
Physics
A small fish is dropped by a pelican that is rising steadily at 0.65 m/s. (Assume the positive direction is upward.) 1. After 2.5 s, what is the velocity of the fish? 2. How far below the pelican is the fish after 2.5 s?
asked by David 
math
shawna reduced the size of a rectangle to a height of 2 in. what is the new width if it was originally 24 in wide and 12 in tall ? how do you solve it if the answer is 4?
asked by kimberly 
chemistry
if 10mL of acetone is diluted with water to a total of 200mL, what is the percent by volume in the propane solution?
asked by Anonymous 
Living environment
7. The lost of flying by the beetle is most probably the result of (1) predators eating the beetles’ wings (2) beetles not using their wings (3) genetic changes in the beetles (4) lack of vegetation for the beetle to feed on IS THE Answer 3
asked by SYNC 
chemistry
Write a net ionic equation for the reaction that occurs when aqueous solutions of sodium hydroxide and perchloric acid are combined.
asked by savannah 
Math Pre calc
A 60 foot antenna stands on top of a building. From a point on the ground, the angle of elevation to the top of the antenna measures 48 degrees and 39 degrees to the top of the building. How tall is the building?
asked by Chell 
Math
A sneaker outlet has made the following wholesale purchases of new running shoes: 12 pairs at $45, 18 pairs at $40 and 20 pairs at $50. An inventory taken last week indicates that 23 pairs are still in stock. Calculate the cost of this inventory by FIFO.
asked by Anonymous 
physics
A concave mirror has a focal length of 13 cm. The mirror forms an image located 40 cm in front of the mirror. What is the magnification of the mirror?
asked by Kristi 
chemistry
in an experiment 5.00ml of 0.1440 mol L^1 aqueos KIO3 was reacted with an excess of aqueous iodide and the molecular iodine I2, Formed was titrated against 0.1000mol L^1 aqueous S2O3^2 the equation for the titration reaction is: I2(aq)+ 2
asked by unknown 
english/11th grade
He responds whenever he is called. In this sentence the Adverb clause is: whenever he is called and the Subordinating conjunction is: whenever what is the word modified? how can i figure out which word it is?
asked by Amy 
English
Are there any metaphors in the poem Young by Anne Sexton? If so, what are the metaphors?
asked by chelsea 
math
Marvin Company has a beginning inventory of 12 sets of paints at a cost of $1.50 each. During the year, the store purchased 4 sets at $1.60, 6 sets at $2.50 and 10 sets at $3.00. By the end of the year, 25 sets were sold. Calculated (a) the number of paint
asked by Anonymous 
CHEMISTRY
name this alkyne ch3ch2ch2ch3(cßCH)CH2CH2CH2CH3 is a heptyne but i just cant figure out the name . Ive tried 1heptyne but its not the right answer :S help?
asked by Mike 
Physics
When a 0.213kg mass is attached to a vertical spring, it causes the spring to stretch a distance d. If the mass is now displaced slightly from equilibrium, it is found to make 150 oscillations in 52.0 s. Find the stretch distance, d.
asked by Cooper 
math
Please show me how to solve: For what value of k are the graphs of 12y = 3x + 8 and 6y =kx  5 parallel? For what value of k are they perpendicular?
asked by Jane 
Physics
A mass of 5kg decending vertically draws up a mass of 3kg by means of a light string passing over a pulley. At the end of 4s the string breaks. how much higher the 3kg mass would go?
asked by Rashmita 
Physics
A 15 kg model airplane flies horizontally at point A that is 20 m about point B. It has a speed of 19.993 m/s at point A. It then flies horizontally at point B. If the loss of potential energy is reflected as an increase in kinetic energy, what is the
asked by Brooke 
international economic
2.) This question uses the general monetary model, in which L is no longer assumed constant and money demand is inversely related to the nominal interest rate. Consider the same scenario described in the beginning of the previous question. In addition, the
asked by Anonymous 
Physics
a gymnast tumbles forward 4.0m, does cartwheels to the left for 6.0m and climbs a vertical rope to a height of 3.0m. What is the magnitude of the gymnast's displacement?
asked by Zady 
Math
Lena Horn bought a Toyota Tundra for $30,000 with an estimated life of 5 years. The residual value of the truck is $5,000. Assume a straight line method of depreciation (a) what will be the book value of the truck at the end of year 4 (b) If the chevy
asked by Anonymous 
physics
A 29 kg chair initially at rest on a horizontal floor requires a 375 N horizontal force to set it in motion. Once the chair is in motion, a 345 N horizontal force keeps it moving at a constant velocity. The acceleration of gravity is 9.81 m/s2 . a) What is
asked by hope 
Physics
A 0.55kg air cart is attached to a spring and allowed to oscillate. If the displacement of the air cart from equilibrium is x=(10.0 cm)cos[(2.00 s ^1)t + pi], find the maximum kinetic energy of the cart. Find the maximum force exerted on it by the
asked by Cooper 
chemistry
The reasons why copper dissolves in AgNO3 solution but remain insoluble in Pb(No3)2 solution.help me.thank you
asked by gbemisola 
physics
Tom the cat is chasing Jerry the mouse across a table surface 1.8 m oﬀ the ﬂoor. Jerry steps out of the way at the last second, and Tom slides oﬀ the edge of the table at a speed of 7.6 m/s. Where will Tom strike the ﬂoor? The acceleration of
asked by Anonymous 
chemistry
Which of the following does NOT have an angular shape? 1. NH2  2. ClO2  3. HOCl 4. S3 2 5. N3 
asked by Aubrey 
calculus
the cost (in dollars) of producing x units of a certain commodity is C(x)=5579+13x+0.03x^2. Find the instantaneous rate of change with respect to x when x=103.
asked by Hunry 
geometry
IVEN: trapezoid ABCD EF are the midpoints of segment AB and segment CD, PROVE: segment EF is parallel to segment BC is parallel to AD , segment EF= onehalf (AD + BC)
asked by Anonymous 
spanish
Which word best fits this sentence. La clase de ciencias sociales es (facil) (aburrida) (dificil) (divertida). Hay mucha tarea todos los dias.
asked by Shawn 
physics
What is the acceleration experienced by the tip of the 1.5 cm long sweep second hand on your wrist watch
asked by Anonymous 
Algebra 1
The crowd that heard the President speak was estimated to be 10,000 peoples. The actual crowd could be 750 people more or less than this. What are the possible values for the actual crowd size?
asked by Katie D. 
Physics
A drop of water on a countertop reflects light from a flower held 2.8 cm directly above it. The flower's diameter is 1.7 cm, and the diameter of the flower's image is 0.17 cm. What is the focal length of the water drop, assuming that it may be treated as a
asked by Kristi 
Physics
A solid brass ball of mass 9.5 g will roll smoothly along a looptheloop track when released from rest along the straight section. The circular loop has radius R = 4.2 m, and the ball has radius r
asked by Bridgette 
Javascript
Input: A text string, using prompt. Output: Either "Valid name" or "Invalid name", depending on whether the input names fit the required format, which is Last name,first name, middle initial where neither of the names have more than 15 characters.
asked by Adam 
calculus
a farmer has a 2040 ft of fencing and wishes to fence off two separate fields. one of the fields is to be a rectangle with the length twise as long os the width. while the other field is to be square. determine the dimension of the fields if the farmer
asked by robert 
English
Which of the following are characteristic of the growth of realism? An embracing of the ideals but not the methodology of later romanticism, a focus upon the lower classes, and a "slice of life" approach A reaction against romanticism, a reaction against
asked by Anonymous 
Physics
Two people with a combined mass of 135 kg hop into an old car with wornout shock absorbers. This causes the springs to compress by 9.80 cm. When the car hits a bump in the road, it oscillates up and down with a period of 1.76 s. Find the total load
asked by Cooper 
literary
What are a few allusions to Oedipus in literature, besides Froid? I can use references from either fiction or nonfiction. Please help I Haven't been able to find anything online
asked by Vanessa 
stoichiometry
How many grams of Nitric oxide are required to produce 145g of nitrogen in this reaction: Al2O3(s)+6NO(g)>5N2(g)+6H2o(l)
asked by mandy 
Physics
A 26.0 kg block is connected to an empty 1.00 kg bucket by a cord running over a frictionless pulley (Fig. 457). The coefficient of static friction between the table and the block is 0.490 and the coefficient of kinetic friction between the table and the
asked by Millie 
Living environment
The process of natural selection is based on the assumption that (1) environmental changes will cause changes in body structures in individuals (2) most changes from generation to generation are the result of mutations (3)part of the population of
asked by SYNC 
algebra
The distance d when a spring is stretched by a hanging object varies directly as the weight w of the object. If the distance is 58cm when the weight is 3kg, what is the distance when the weight is 8kg
asked by lisa 
chemistry
I wanted to check my True and False Chemistry HW. I am not 100% they are correct. 1.the number of neutrons in an atom is reffered to as its atomic number False 2.the periodic table is arranged by increasing atomic number True 3.atomic number is equal to
asked by Allura 
business
A data processing analyst for a research supplier finds that a preliminary computer run of survey results show that consumers love a client’s new product. The employee buys a large block of the client’s stock. Discuss the ethical ramifications of this
asked by Anonymous 
Physics
A vibrating structural beam in a spacecraft can cause problems if the frequency of vibration is fairly high. Even if the amplitude of vibration is only a fraction of a millimeter, the acceleration of the beam can be several times greater than the
asked by Cooper 
Linear Programming
Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $77 while premium grade sells for $82 per barrel and supreme grade sells for $89 per
asked by Ashley 
Physics
A bunch of grapes is placed in a spring scale at a supermarket. The grapes oscillate up and down with a period of 0.41 s, and the spring in the scale has a force constant of 640 N/m. What is the mass of the grapes? What is the weight of the grapes?
asked by Cooper 
physics
A college student is at a concert and really wants to hear the music, so she sits between two inphase loudspeakers, which point toward each other and are 60.8 m apart. The speakers emit sound at a frequency of 428.75 Hz. At the midpoint between the
asked by maria 
Personal Finance Management
Jenny has a part time job and her net takehome income is $2000 per month. She needs to allocate her funds to reflect a balanced monthly budget. Jenny's main categories of expenses include rent, utilities, and groceries. How would Jenny best utilize her
asked by Lashan 
Math
Explain how you can estimate to tell whether 433147=286 is reasonable.
asked by sandra 
Critical Thinking
Identify the correct fallacy of relevance committed by the following arguments, explain how it is used in the example, and determine what is wrong with the reasoning. (ex. What should have been said or argued? 1) Convicted murder Johnny Palko has argued
asked by Alex L. 
physics
A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +24.0 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +16.0 revolutions. (a) How much time does it take for the bike to
asked by Taylor 
Physics please help!!!!!!!
A ball is thrown vertically upward (assumed to be the positive direction) with a speed of 21.0 m/s from a height of 9.0 m. (a) How high does the ball rise from its original position? (b) How long does it take to reach its highest point? (c) How long does
asked by Steve 
Physics
A 5.00 m long rigid beam with a mass of 200.0 kg is supported at each end. A 55.0 kg student stands on the beam, 1.40 m from the left support and a 70 kg student stands 1.2 m from the right support. How much upward force does each support exert on the
asked by Anonymous 
Math
Find two consecutive whole numbers such that 3/4 of the first number is 5 more than the second number.
asked by Tyler 
Physics
A mass attached to a spring oscillates with a period of 3.15 s. If the mass starts from rest at x= 4.10×10−2 m and time t= 0, where is it at time t= 6.37s? Is the mass moving in the positive or negative x direction at t= 6.37s?
asked by Cooper 
physics
a gymnast tumbles forward 4.0m does cartwheels to the left for 6.0 m and climb a vertical rope to a height of 3.0m. What is the magnitude of the plane's displacement from the airport?
asked by Zady 
Physics
A 1.5 N force acts on a .20 kg cart so as to accelerate it along a frictionless track. If it is accelerated from rest, how fast is it going after .3m? The answer given is 2.12 m/s but I am not sure how to get to that.
asked by Brooke 
marketing
Explain the importance of an organized newproduct development process and illustrate how it might be used for (a) a new hair care product, (b) a new children’s toy, and (c) a new subscribersonly cable television channel.
asked by angela 
programming
creat a logic for a program that continuously prompts the user for a numeric number of dollars until the user enters 0. pass each entered amount to a conversion method that displays breakdown of the passed amount into the fewest bills
asked by william 
chemistry
in an experiment 5.00ml of 0.1440 mol L^1 aqueos KIO3 was reacted with an excess of aqueous iodide and the molecular iodine I2, Formed was titrated against 0.1000mol L^1 aqueous S2O3^2 the equation for the titration reaction is: I2(aq)+ 2
asked by Yulieth 
physics
One gram of water changes from liquid to solid at a constant pressure of one atmosphere and a constant temperature of 0°C. In the process, the volume changes from 0.90 cm3 to 1.10 cm3. The work done by the water is .02J, but I'm not sure how to find the
asked by Rob 
chemistry
Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of bananas. If the yield from the reaction is 45%, how many grams of isopentyl acetate are formed when 3.90 g of acetic acid and 6.28
asked by kim 
algebra
will had 32.80 to spend on school supples . if he spends 3/4 how much will he have left ?
asked by Anonymous 
algebra
The present ages in years of four cousins are consecutive multiples of 3. Five years ago the sum of their ages was 46. What is their ages now?
asked by Zephine 
calculus
You are given the four points in the plane A = (3,7), B = (1,6), C = (4,6), and D = (6,1). The graph of the function f(x) consists of the three line segments AB, BC and CD. Find the integral interval 3 to 6 f(x)dx by interpreting the integral in terms
asked by Anonymous 
algebra
while driving a car you realize that you only have one eighth gas remaining before you run out of gas you pull into a gas station and put is gallons of gas in your car's tank is now three fourths full how many gallons of gas does your car's tank hold show
asked by patel 
chemistry
a given mass of hydrogen occupies 40.0L at 700 torr. what volume will it occupy at 930 torr
asked by aaa 
Chemistry
What is the molality of a solution prepared by dissolving 81.5 g of ethylene glycol, HOCH2CH2OH, in 1.36 L of water? Assume the density of water is 1.00 g/ml.
asked by Silvie 
English 7 (please read and please help!)
We have to write this essay for english. Here is the info. We are working on the intro for our essay B = Broad Statement I = Illustrate (Example) N = Narrow the Topic T = Thesis Statement Essay Topic * Explain how his/her (Rose Parks) characteristics were
asked by Laruen 
geometry
Trapezoid PQRS was rotated 60° around a point. Which point could have been the center of this rotation?
asked by Anonymous 
physics
1) A fask has the following features; a plastic stopper glass walls with silver coating on both sides vacuume between walls plasic spacer Which features of the flask reduce energy transfer by: a) radiation b) conduction c) convection 2) Many vacuume flasks
asked by lissa 
psychology
"He is never going to change. He is set in his ways," the client complained. "let's think about it. Does this hurt you or him.?" The therapist is applying: a. behavioural therapy b. a cognitive treatment approach c. psychodynamic therapy d. contingency
asked by vedrana 
math
The force F (in Newtons) required to move a box of mass m kg in motion by pulling on an attached rope is F(x) = f m g/(cos(x))+ f (sin(x)) where x is the angle between the rope and the horizontal, f is the coefficient of static friction and g = 9.8 m/s^2.
asked by ali 
calculus
a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a
asked by robert 
Physics
You have a 2.4 m high platform that is level on top. A spring launcher is located on the top so that it launches objects horizontally. You want to launch a 0.70 kg ball so that it hits at target on the ground 6.0 m away from the base. If the spring
asked by Dan 
math
grace has 16 in her pocket. she has 8 red ibesm 4 green ones, and 4 blue ones. what is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?
asked by iris 
chemistry
are this 2 equations the same NIE? and if not how come? Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and acetic acid are combined. Write a net ionic equation for the reaction that occurs when aqueous solutions
asked by savannah 
calculus
Determine an appropriate linear approximation of the function f(x)= the square root of x and use it to approximate the square root of 24.2. Write your answer in decimal form
asked by No Name 
english
plural and possessive nouns. the concerns of a large animal? the whole work sheet im haveing problems with.....i need HELP!!please!
asked by trish 
physics
A 41.2 kg student runs down the sidewalk and jumps with a horizontal speed of 4.36 m/s onto a stationary skateboard. The student and skateboard move down the sidewalk with a speed of 4.12 m/s. a. Find the mass of the skateboard (in kg) b. How fast would
asked by Anonymous... 
algerbra 1
2/3.[4/5]= 67= A hospital parking lot charges $3.00 for the first hour or part thereof and $1.50 for each additional hour or part thereof. a weekly pass cost $33.00 and allows unlimited parking for 7 days. If each visit Johny makes to the hospital last
asked by Connie 
Finance
listing the different sources of shortterm financing. Discuss the characteristics of each source and explain why a company might choose one over the other.
asked by joan 
Chemistry
a saturated solution of barium chloride at 30c contains 150g water. how much aditional barium chloride can be dissloved by heating this solution to 50c?
asked by Helen 
calculus
a plane flying horizontally at an altitude of 2 mi and a speed of 460 mi/h passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 5 mi away from the station.
asked by L.J 
Science
Facts about the sun are? I have 1. the only star in our solar system 2. sun spots are cooler areas on sun's surface 3. from solar energy 4.Solar flares 5. only star you see during the day 6.made of gas 7.closest star to our earth
asked by Johnny 
chemistry
What is the molality of a solution prepared by dissolving 75.2 g of ethylene glycol, HOCH2CH2OH, in 1.34 L of water? Assume the density of water is 1.00 g/ml.
asked by Silvie 
Math
Lisa studies for 7 hours for a particular test and got a score of 71, how many hours would she have had to study to get a score of 91?
asked by Mike 
Physics
A cylinder shaped buoy is stationary out on a lake. The height of the buoy is 1 m and the diameter is 30 cm and it‘s mass is 50 kg. Now a whale swims under the buoy and hit it. The buoy raises up and begins to oscillate. a) Find the total force on the
asked by Amber 
Math
If h = 6 units, X = 9 units, Y = 13 units, and Z = 17 units, then what is the volume of the triangular prism shown above?
asked by Fairfax Highschool 
Physics
The cable supporting a 2123 kg elevator has a maximum strength of 25982 N. What maximum upward acceleration can it give the elevator without breaking? Can someone give me step by step on how to solve this?
asked by Jin Hwang 
statistics
3. Use the following SAT score data to answer the questions that follow. Gender Verbal Math M 600 690 M 610 550 F 490 800 F 680 610 M 520 540 F 680 660 M 650 700 M 600 560 F 550 560 M 490 390 F 530 530 M 560 560 F 630 590 F 510 520 M 710 740 F 550 560 M
asked by brandon 
Question (PLEASE READ!!!)
What website is when you can ask any questions and other people can answer it something besides YA like free lik jiskha but for people to ask random questions and them answering.
asked by Laruen 
Physics question
A 14 kg mass is dragged across a rough surface by a rope that makes an angle of 12° above the horizontal. If the tension in the rope is 349 N, determine the forward acceleration. Assume that µs = 0.64 and µk = 0.47. I just can't seem to do this at
asked by Tate 
math
what is the GCF of 300 and 225 using prime factorization
asked by stephen 
Chemistry
a saturated solution of barium chloride at 30c contains 150g water. how much aditional barium chloride can be dissloved by heating this solution to 50c?
asked by Helen 
Math
Explain how you can estimate to tell whether 433147=286 is reasonable.
asked by sandra 
Math
Joe Ponzio, a financial advisor who bases his investigating strategies on the teachings of Warren Buffett, explains why inventory turnover rates matter to managers, owners, and investors on his August 7, 2009, blog post, He states: "The company doing five
asked by Anonymous 
phyics
A novice golfer on the green takes three strokes to sink the ball. The successive dis placements are 5.9 m to the north, 10 m 45 north of east, and 5.9 m 26 west of south. Starting at the same initial point, an expert (lucky) golfer could make the hole
asked by robert 
Calculus
The graphs of f(x) = x^3 and g(x) = 3X+5 have one intersection point. Determine the xvalue for this intersection point using Newton's Method with an initial estimate of X1=2. You should use this method three times in order to obtain estimates X2, X3, and
asked by Andres 
english
Write each sentence, using the subject pronoun that best replaces the underlined word or words. The neighborhood grocer sells a lot of fresh fruit. underlined word The neighborhood grocer
asked by stephanie 
Biology
Please help, anyone! There's 3 types of gene mutation: substitution, deletion, and insertion, right? So what are '2 kinds of gene mutation that causes the protein to be not formed'?? I mean, gene mutations may cause non functional proteins, but that's not
asked by Hae 
physics
The sound level in decibels is typically expressed as β = 10 log (I/I0), but since sound is a pressure wave, the sound level can be expressed in terms of a pressure difference. Intensity depends on the amplitude squared, so the expression is β = 20 log
asked by maria 
earth
22. If a man weighs 720 N on Earth, what is his weight on the moon?
asked by Anonymous 
Physics......
A ball on a 6.5 m long string swings down and wraps around a post that is 4.0 m below the post the string is attached to. If the ball is released level with the post to which it is attached, what will be the velocity of the ball when it is at its highest
asked by .... 
Social Studies
My most exalted Monarch  Your Majesty Queen Isabella, I am writing this letter most humbly for you to consider my request for three small ships and a crew so that I may sail west and find the shortest route to the East. I promised to chaim land for Spain
asked by Laruen 
physics
Question Part Points Submissions Used A bus slows down uniformly from 75.0 km/h (21 m/s) to 0.0 km/h in 220 m. How long does it take to stop?
asked by Anonymous 
business
please give me some idea how should i start writing about this ,i want to write 2 paragraphs. Thanks for any help!!! Pretend that you writing to the editor of your local newspaper. Your purpose is to convince its readers that rather than solely relying on
asked by study 
science
what happens to washing soda crystals when mixed with sulphuric acid
asked by daz 
beginning band
what are the instrumemt groups heard in this ensemble tabuh kenilu sawik
asked by Peteesa 
algebra
john had 35 Dollars before spending N dollars on clothes how much money remains
asked by cree 
Economic
1. Use the following information to answer the questions below. Please note that output of good X is measured in 100’s on the x axis, i.e. if you find Q = 10 then output is 10 × 100 = 1, 000 units. You must have a diagram to support you answers. •
asked by Vishal 
Economic
1. Use the following information to answer the questions below. Please note that output of good X is measured in 100’s on the x axis, i.e. if you find Q = 10 then output is 10 × 100 = 1, 000 units. You must have a diagram to support you answers. •
asked by Vishal 
Chemistry
Why does only one of these ions (Co, Cu, or Ni) produce a positive flame test?
asked by Taemin 
chemistry
A reaction occurs where the concentration of reactant A changes from 0.74 moles/liter to 0.63 moles/liter in 20 seconds. what is the average rate of reaction?
asked by Maddie 
chemistry
Given the following reaction: TiCl4 + O2→ TiO2 + Cl2 If 51.44 g TiCl4 react with 82.32 g O2 complete a mass balance table for this reaction.
asked by mary 
math
You are given a positive integer such that when the integer is divided by 1995, the remainder is 75. What will the remainder be when the same positive integer is divided by 57?
asked by hee 
algebra
1. The speed of a passenger trin is 18mph faster than the speed of a freight train. The passenger train travels 260 miles in the same time it takes the feight train to travel 170 miles. Find the speed of each train.
asked by lisa 
algebra
Hat sizes are determined by measuring the circumference of one's head in either inches or centimeters. Use ratio and porportion to complete the following table. hat size Head circumference 7 1/4 (to nearest 1/5inch) 7 1/8 22 4/5 Head circumference (to
asked by lisa 
chemistry
In an industrial process, the following reaction is carried out in the presence of a catalyst: C2H51 + Cl2 → C2H51Cl12 Calculate the percentage yield if 405.58 grams of C2H51 are used in the reaction and 474.91 grams of C2H51Cl12 are produced.
asked by mary 
English
He wondered __________ he should see about his abdominal pain. who or whom
asked by cbaz 
Math
Can you show us how to find the discriminant of the quadratic x^2 + 2x 2 =0
asked by Allison 
math
A ship sails from a port,P, on a course of 060 degrees for 15km to a buoy ,Q. It then changes course in a direction 120 degrees from Q for 25 km to a rig R.
asked by Anonymous 
math
Patricia estimated that 439  186 would be close to 300. Do you agree? Explain and solve the problem.
asked by sandra 
math
a room mesures 11ftx12ftx9ft. what is the volume?
asked by iris 
calculus
the displacement (in meter) of a particle moving in a straight line is given by the equation of motion s=5t^3+4t+2, where t is measured in seconds. Find the velocity of the particle at t=3.
asked by L.J 
Physics
I have posted the same questions over and over and received no help. Will someone please help me? A horizontal spring with a spring constant of 200.0 N/m is compressed 25.0 cm and used to launch a 3.00 kg block across a frictionless surface. After the
asked by Helppp 
Physics
If a force of 20N stretches a spring 15 cm, by what amount will the spring stretch is if a force of 80 N is applied?
asked by Don 
algerbra 1
6 18/2= or is it undefined 7 2+t=9 solution t= 8 Evaluate p/g for p=98 and g=7 p/g= 9 Tell which real number corresponds to the situation. During the game, a person wins 450 points. What is the corresponding numbe in this sentence? 10 Simplify
asked by Connie 
Physics Help Please
A horizontal spring with a spring constant of 200.0 N/m is compressed 25.0 cm and used to launch a 3.00 kg block across a frictionless surface. After the block travels some distance, the block goes up a 32 degree incline that has a coefficient of friction
asked by Anonymous 
psychology
Kevin hates his job,his girl friend dropped him, and he had a hedeache this morning from staying uo too late eating hamburgers and drinking beer by himself.He has decided to initiate a new attack today and take control of his life.He will find new
asked by vedrana 
Physics
You have a 2.4 m high platform that is level on top. A spring launcher is located on the top so that it launches objects horizontally. You want to launch a 0.70 kg ball so that it hits at target on the ground 6.0 m away from the base. If the spring
asked by Helppp 
physics
A .1kg mass is located on the line between a 5kg mass and a 10kg mass. It is 4m to the right of the 5kg mass and 6m go the left of the 10kg mass. What is the magnitude and direction of the net force on the .1kg mass?
asked by Jen 
ELA
I have to do this project and I have to say what funny stuff could happen if I cleaned my room. I don't know anything funny that could happen. so help me? :D
asked by Bob 
english
what are some background information on the Aeniad and society at the time of its popularity
asked by anonymous 
math
what is the cost in dollars to steam clean a room W yards wide and L yards long if the steam cleaners charge 10 cents per square foot?
asked by iris 
math
Bayside insurance offers two health plans. Under Plan A Giselle would pay the first $80 of her medical bills, plus 30% of the rest. Under Plan B Giselle would pay the first $140 but only 25% of the rest. For what amount of medical bills with plan B save
asked by marie 
math
44 more thatn Q algebraic expression
asked by Johnson 
algerbra
84=12(3y+1) a.The solution is y= b.The solution is all real numbers c.There is no solution
asked by Connie 
Math
Brenda and her family were driving to her grandmother’s house during a holiday. During the drive, Brenda fell asleep halfway through the trip. When she awoke, her family still had to travel half the distance that she had traveled while she was sleeping.
asked by MATH Help Please 
Physics
Tarzan, played by Patrick Huard, 60 kg, must cross a stream 5 m wide, and full of hungry crocodiles. To do this, decides to slide along a sloping tree trunk, hollowed and moist so that there is no friction. After the trunk, there is a part of 3 m platform
asked by Alani 
Religions of the world
Name at least two effects that organized religion has had on society and provide examples from past or present world events that illustrate your examples.
asked by Tarsha 
ideas
i know it's lat,but it's almose my bed time.um do grandparents always be kind of rude and always have different opinions.well sometimes that happens.so what should i do.ms.sue what school do you do to and how old are you.let me guess,you are 12. am i right
asked by jennifer white 
math
I have a unit circle test tomorrow(converting sin csc cot tan sec cos of radians to numbers(ie cos (pi/4) == root2 over 2) what is a good way to study
asked by anonymous 
math
if the perimeter of a rectangular house is 44 yards, and the length if 36ft, what is the width of the house?
asked by iris 
SCIENCECELLS
HI, I need the functions of the following parts of a cell: 1.Cytoplasm 2.Nucleus 3.Nucleolus 4.Starch Grains 6.Smooth ER 5.rough ER 6. Ribosome I went on a lot of websites already, but they were all very confusing. Thanks to anyone who helps!
asked by Howler 
Physics
A car starts from rest and travels for 6.0 s with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of 2.0 m/s2. If the brakes are applied for 3.0 s, how fast is the car going at the end of the braking
asked by Elias 
ENGLISH
What are the major errors found in text book of JK BOSE "INTERACTIONS IN ENGLISH"of eight standard?
asked by MUDASIR 
Trigonometry
Help trig question involving discriminant? a)Find the value of the discriminant. b)Use any method to find the real roots of the equation if they exist. 2x^2+7x=0
asked by Tomtom 
trig
5. If the angles X and Y each measure between 0° and 90°, and if sinX = cosY, what is the sum of the measures of the angles X and Y?
asked by kc 
physics
A block of mass m is held against a spring of spring constant k which is compressed a distance Ax. On the shaded region (d = 2 m), there is a coefficient of kinetic friction = 0.3 microcontroller, which then applies the rest of the course takes place
asked by sarah 
Systems Analysis, Design, and Implementation
May anyone help me on this 1 what are the Disadvantages of Structure Analysis? 2 what are the Disadvantages of ObjectOriented Analysis? Thanks
asked by matt 
math
how do you write the measurement of 12x12x12 in exponential notation?
asked by dawson 
chemistry
what is a double replacement precipitation reaction and limiting reactants
asked by joe 
calculus
Find a, such that the function f(x)=3x+rad(ax^2) has the domain [6,6].
asked by L.J 
Calculus
You are the owner of a delivery company with one truck. The trucks fuel economy is 1200/x miles per gallon when driving at x miles per hour (where 80 >= x
asked by Becky 
Algerbra 1
. In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. a. Write an expression that illustrates the total cost of all baked goods in the scenario
asked by Connie 
algebra
1. Which expression belongs in the space?  x2 x^2 + 7x  18 (x^22x)  18 a.5x  18 b.5x + 18 c.9x  18 d. 9x + 18
asked by Secretai 
Chemistry
A typical buffer used by biochemists is called Tris, which can be depicted as R3N. A buffer that is prepared by mixing 500ml of .05M R3N with 500ml of .05MR3NHCl at 25 C has a pH of 8.40. If this same buffer is placed in a cold room at 4 C the pH increases
asked by Josh 
Math
We have this thing called MAT and we have to do a survey this week. What's your favorite type of music? Pop Hip hop Rap Rock Depressing Songs Heavy Metal
asked by Drake 
Chemistry
Given HCL + SrO  SrCL2 + H20 Calculate the mass of HCl in grams that would react with 4.85 kg SrO.
asked by nms 
Psychology Please Help!!
Nisa has grown up in a small village in the foothills. There was no electricity and water had to be hand pumped. They seldom saw people from the "outside." When she entered school the bus had to pick her up at 6:30 a.m. in order for her to arrive at school
asked by Anonymous 
Math
How do you do scientific notations?
asked by Darien 
Accounting
What are some of the different types of budgets? Describe in detail one type of budget covered in the text. Describe what the budget is used for and what information it provides a business. As you respond to your classmates, discuss how the budget you
asked by Marty Wall 
English
Thank you very much. What do you think of such a project? I need your help to check vocabulary on endangered species. Which words are possible? 1) A conservation programme is a programme helping endangered species to survive. 2)It protects endangered
asked by Henry2 
Social Studies
i left my textbook in school but i have the American Nation.. i just need to know what the Geography questions are on page 664... only #13
asked by Danielle 
Calculus(Pre)
What is linear speed and angular speed (In Trignometry)
asked by Professor Calculus 
math
how many different tetrahedrons are determined by ______ given no four are coplanar? 4 points in space 9 points in space 15 points in space n points in space
asked by Cody 
College prealgebra
how do I simplify the following expressions and show my work? 6+5[(12 div. by2)+5]. (4div.by2)+8(53)to the second power. 872Div.by9x4to the second power + 11.
asked by Sherrie 
English
I have a few more doubts. Thank you. The next morning (Can you say "on the next morning?) We are being showed (is is a mistake or "shown" is correct?) I waited for her to prepare/get ready (Are both possible?)
asked by Henry2 
Math
These animals live in a big garden : 37 snails 49 worms 12 moths
asked by mary 
English
I urgently need you to check these sentences I have to include in an email. As far as the project is concerned, I would like to know the opinion of your science teacher. I hope they will help me find the proper words. 1)Thank you for your email of today.
asked by Henry2 
calculus
the graphs of f(x0=x^3 and g(x)=3x+5 have one intersection point. Determine the xvalue for this intersection point using Newton's Method with an initial estimate of x1+2. You should use this method 3 times in order to obtain estimates x2, x3, and x4
asked by No Name 
algebra
The stopping distance d of a car after the brakes are applied directly as the square of the speed r. If a car traveling 80mph can stop in 360ft, how many feet will it take the same car to stop when it is traveling 90mph
asked by lisa 
History
What were the three distinct arenas where the pearl harbor war was being fought? Is it Warships in the harbor; Airfields; Schofield Barracks? Of these, which was determined to be the priority region by the western Allies?
asked by Anonymous 
english
In the sentence: Not only it does affect women and children, but it also affects our society and our future generations. is the sentence correct? Thank you :)
asked by Zach 
Statistics
OliveOil producers have expanded to approximately 120 producers statewide. Analysts estimate the average price consumers pay for a bottle of olive oil is $21, with a standard deviation of $2.40. What is the probability that the average price paid by a
asked by Amber 
history
"English peoples lives were not affected very much by the building of castles." To what extent do you agree? how am I meant to start? what should I say?
asked by Anonymous 
Math
Heath wants to subtract 149. What is the best way to decompose 9 to solve this problem? A. 4 and 5 B. 3 and 6 C. 2 and 7 D. 1 and 8
asked by M.E. 
Math
Ms Sue, How did you get that answer? Can I get an example? My current question was 39 and f more and your answer was 36 + f
asked by mekhi 
English
1. The other robber forced me back to the safe. (What is the part of speech of 'back' in the sentence?) 2. He was carring the glass necklace and started down the stairs. 3. He was carring the glass necklace and started coming down the stairs. 4. He was
asked by rfvv 
English
At night, the two necklaces are kept together in the safe on the second floor. (situation: after one necklace was stolen.) (What is the active form of this passive sentence between the following?) 1. At night, I keep the two necklaces together in the safe
asked by rfvv 
Physics help someone please
An 800 g, 40.0 cm diameter hollow sphere is rolling along at 4 m/s when it comes to a 25 degree incline. Ignoring any friction, how far along the incline does it roll before it stops and reverses its direction?
asked by Anonymous 
Physics
A satellite made of aluminum with mass 3500 kg travels on circulated path in 100 km height over the earth. Because of airresistance of the airveil the satellite loses energy and falls in a spiral down to earth. a) What is the mechanical energy of the
asked by Amber 
physics
Physics forcea bat hits a baseball and applies a force of 450 newtons to the ball.how much force does the ball exert on the bat
asked by rudy 
Algebra
Need help factoring 7x^2 + 7x 20
asked by Chad 
Happiness
This is a little survey I'm conducting for school. How often are you happy on a regular day? Choose one: 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
asked by Tinatike 
Physics
A ball on a 6.5 m long string swings down and wraps around a post that is 4.0 m below the post the string is attached to. If the ball is released level with the post to which it is attached, what will be the velocity of the ball when it is at its highest
asked by .Help pleaseeeeeeeee 
algerbra 1
5 Multiply 3.(5.(3).(10)=
asked by Connie 
chemistry help me ASAP
ComPLETE THE FOLLOWING EQUALITIES 1molBa(OH)2FU=____g Ba(OH)2=____Ba(OH)2FU 1Na atom=______amu Na
asked by Anonymous 
Physics  Rotational Motion
A ball of mass 5.3 kg and radius 8 cm rolls without slipping horizontally at 4.3 m/s and hits a spring attached to a wall. What is the maximum change in length of the spring if the spring constant k=41100N/m? (Assume the floor is frictionless)
asked by Jim 
math
What is the principle of powers? Describe in your own words. When solving a radical equation, how do we use the principle of powers to eliminate radicals? Demonstrate with an example.
asked by Allison 
Physics/Engineering
1. The problem statement, all variables and given/known data I am using a Vishay strain indicator with it hooked up to a strain gage hooked up 1" away from the wall on the solid beam. The beam is .5" by .5", and it is solid. The beam is 16" long and I am
asked by Z32 
Science
What will happen to the path of a toy rocket when it's lauched.
asked by Yna 
Fine Art 7
I'm drawing a earth and drawing people holding hands (their clothes are going to be in rainbow), is there any culture that wears the following colors: red, orange, yellow, green, blue, purple. Like for example when I'm drawing a Jamaican person their
asked by Laruen 
post
retire in 30 yrs. annual deposits in ira to accumulate 450,000 in 30 years at 10% per year average what is the annual contribution?
asked by Rita 
Criminal Justice
Please point me in the right direction. What would happen if the role of the police were lessened as it applies to the theory and practice of community policing?
asked by Penny 
Spelling
The word "slippery" almost feels slippery! This may have to do with the blending of "s" and "I" so that the word glides or slips out of your mouth. Many English words seem to imitate their meaning. Try to record at least six such words. Plz help meI
asked by Miss Sweet 
math
Is this correct 26 more than z is 26+z
asked by mekhi 
math
an amount invested in an account that offers 5% interest which is compounded annually. how long will it take for this amount to double?
asked by jen 
English
Can you please help me rephrase this song? 1)The song is about a successful citydweller caught in a rat race. However, he is tired of continuously competing for success and leading a very stressful life in the city. 2) He decides to move to the country to
asked by Henry2 
Chemistry
I've exhausted possibilities to find an isotope that has 42 protons and 44 neutrons; does one exist? Molybdenum has 42 protons ... but 54 neutrons so that isn't it. I'm hoping that Dr. Bob can figure this one out for me! You've been helpful with a prior
asked by Nathan 
calculus
if a snowball melts so that its surface area decreases at a rate of 1 cm^2/min, find the rate at which the diameter decreases when the diameter is 43cm. Leave pi in your answer please.
asked by L.J 
World History
Which Christian empire in southwest Asia did the Ottomans conquered? What was the capital of the Christian Empire in southwestern Asia that the Ottomans conquered?
asked by Joshua 
math
In 69 games, a player blocks 234 shots, what is his blocks per ratio?
asked by Ethan 
physics
A horizontal force of 5.0 N is required to move a body of mass 3.0 kg with uniform velocity along a horizontal floor. Find the coefficient of kinetic friction.
asked by Ange 
MATH
Source: At the end of 1993, scientists tracked 1550 nonfunctional components in orbit and projected 42 such objects are added each year. Suppose that an average of 15 of these are brought back to Earth each year. Question. Let t represent time in years.
asked by Rebecca 
Social Studies
I am supposed to answer the question by looking at a map: The railroad runs blank and blank. What do they mean?
asked by Anonymous 
Algerbra 1
1 154.1014 2 9x18=54 x= 3 Multiply 8/9(b72) 4 Solve using the multiplication principle 10x=260 solution for x= 5 Multiply 3.(5.(3).(10)=
asked by Connie 
Psychology Please Help!!
The entire class was in an uproar. The teaching assistant had proctored the exam while the professor was attending a conference, and the test seemed unrelated to the chapters that they had studied. The students’ complaints are based on the test’s lack
asked by Anonymous 
Physics problem.. :/
A 8.7 kg block is on a frictionless surface. It is connected by a string over a pulley to a 8.6 kg hanging mass. Find the acceleration of the block. ?
asked by Kat 
Chemistry
I am stuck in the PLUGNCHUG PART. Here is what I get when I plugnchug...1.75 x 105 + log[0.164M/0.225M] I get the pH as 4.62 not confident in answer....please guide me to correct answer
asked by Chemistry Chick 
math
The Ministry of Finance published the FY2009 Tax Reform ( Main Points) on December 19, 2008. Included in the Reform is the introduction of a 2 year measure allowing immediate depreciation for investment in energy saving facilities and appliances. If this
asked by Anonymous 
Math
my 10 digit is 4 times my 100 digit. who am I?
asked by Breyonna 
Algbra
You get five packages of paper for $3.00. How much are you paying per package?
asked by Kija 
algebra
Is x=6 a solution to 2x4=8 I think that it is yes.
asked by Angela 
algerbra 1
154.1014=
asked by Connie 
Social Studies 7R (Letter)
Please check this letter if it's good and if there any grammar mistakes. My most exalted Monarch  Your Majesty Queen Isabella, I am writing this letter most humbly for you to consider my request for three small ships and a crew so that I may sail west and
asked by Laruen 
English
1. The stolen diamond necklace is insured for five million dollars. 2. I have insured the stolen diamond necklace for five million dollars. 3. I insured the stolen diamond necklace for five million dollars. 4. I insure the stolen diamond necklace for five
asked by rfvv 
Math
Prove these identites I really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2cos^2 sin^2 sec^2 +sin^2=tan^2+sin^2
asked by Caroline 
math
Prove these identites I really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2cos^2 sin^2 sec^2 +sin^2=tan^2+sin^2
asked by Elena 
CHEMISTRY (HELP!!! PLEASE)
CH3CH2CH2CH( a c on top of the ch and a triple bond on top of the c)CH2CH2CH2CH3
asked by Mike 
microeconomics
if the price elasticity of demand for a cup of tea is equal to 3, how would you interpret this result?
asked by Becky 
MathHelpplease?
Source: At the end of 1993, scientists tracked 1550 nonfunctional components in orbit and projected 42 such objects are added each year. Suppose that an average of 15 of these are brought back to Earth each year. Question. Let t represent time in years.
asked by Rebecca 
math
94+(19)
asked by Johnson 
English
Here is the second part of the email. 1) We plan to involve a group of 18/20 students in year 11 who are highachievers and are willing to devote sufficient time and energy to the project. 2) By the way, is the French school or your school acting as a
asked by Henry2 
science
what did galileo do in science that made him so famouse
asked by david 
algerbra
8/9(b72)=
asked by Connie 
algerbra 1
6 18/2= or is it undefined
asked by Connie 
algerbra 1
7 2+t=9 solution t=
asked by Connie 
Math
solve: 4x^2 + 14x = 0 help me solve
asked by Allison 
Criminal Justice
Please point me in the right direction. What would happen if the role of the police were lessened as it applies to the theory and practice of community policing?
asked by Penny 
math
is there a good memorization technique for radian to unit circle coordinate?
asked by anonymous 
calculus
Calculate dy/dx if Ln(x+y)=e^x/y
asked by Tracy 
Chemistry
CH3CH2CH2CH( a c on top of the ch and a triple bond on top of the c)CH2CH2CH2CH3
asked by Mike 
Math
Simplify: 1+9(53m) Solve 10=102m Solve: 4b
asked by Evangeline 
physics
a ball is thrown up vertically and caught at 9.3 sec. what is the intial velocity
asked by Anonymous 
statistics
poisson distribution: please show and solve. # of purchases in the next 24 hours.
asked by lani 
Chemistry
predict whether nitrate salt solutions containing metal ions with the following outer shell electron configurations will be colored or colorless: [Ar] 3d2 and [Kr] 4d10
asked by Colby 
Math
1. 95 3/4 = 2. 7/8 + 3 1/4 = 3. 5 1/9 2/3 = 4. 5/8 + 5/6 = 5. 13 1/2 + 7 2/3 =
asked by Brad 
Algebra 2
A=2*3.14*pw A=22cm squared w=2 solve for p
asked by Dana 
History
What was Alan Seeger do that made an impact during WWI?
asked by Hannah 
cant find it
according to recent curriculim guidelines, what percent of the class time should students spend in handson learning experiences?
asked by Anonymous 
English
I have a few more doubts. Thank you. 1) I waited for her to prepare heself (?) How high is the fare to London? Are there any reductions for students? 2) How large is the population of Italy? To the North Italy borders to Austria, Switzerland etc (is "to
asked by Henry2 
science
What are some ways that industry and government help solve the problem of global warming?
asked by cindy 
Psychology Please Help!
The testing company has hired qualified people in the field to administer the new test bank to subjects of different ages and ethnic backgrounds. They need a sizable number of scores from inner city, urban, and country/small town subjects. Their goal is to
asked by Anonymous 
Math
Find two consecutive whole numbers such that 3/4 of the first number is 5 more than the second number.
asked by Tyler 
Math
How do you find x+3=2 ?
asked by Shell 
algerbra
x/7=1/26 the solution is x=___________
asked by Connie 
Algerbra
[48(36)]=
asked by Connie 
math
39 and f more
asked by mekhi 
FINE ART 7 (PLEASE READ!!!!!)
pictures of jacimain people earing their clothes in organge
asked by Laruen 
social studies
i to write a wellcome letter,wellcoming the new colonies to the United State and ease the fears
asked by david 
chemistry please help me
ComPLETE THE FOLLOWING EQUALITIES 1molBa(OH)2FU=____g Ba(OH)2=____Ba(OH)2FU 1Na atom=______amu Na i don't understand how to do this ????
asked by cathy 
chemistry!
what is a dipole and what are iondipole attractions, dipole dipole attractions and dipoleinduced attractions? examples.. would rly help me understand it better
asked by steph 
SCIENCE
What is the history of sonar
asked by 17halimk 
Anthropology11
What would a teacher be thinking when bullying a student with a disability?
asked by rebecca 
math
Prove these identites I really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2cos^2 sin^2 sec^2 +sin^2=tan^2+sin^2
asked by Elena 
English 7 (word)
what does discriminated against means????
asked by Laruen 
psychology
why is it important to experience some stress in your life
asked by Anonymous 
math
3 1/2+5 4/5
asked by Anonymous