Questions Asked on
March 28, 2011

Math
Find the vertical and horizontal asymtotes of y=1/x^2+6x+9
asked by Tina 
Math
In the set of whole numbers is 49 meaningful
asked by Anonymous 
math
if right angle haveing perimeter=36,diagnol=15 then area=?
asked by sonu 
Advanced Algebra
Sam and David are among 5 students who have a chance to win a free airline ticket to San Diego. 2 students from the group will be selected at random to win a ticket. What is the possibility that the 2 students selected will be Sam and David?
asked by Juan 
History
List the 4 goals of the Civil Rights Act of 1964 IN YOUR OWN WORDS!
asked by Marie. Please, please help 
Physics
A 300 g bird flying along at 6.2 m/s sees a 10 g insect heading straight toward it with a speed of 27 m/s (as measured by an observer on the ground, not by the bird). The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed
asked by Sharon 
math
how is the speed of a falling object determined.
asked by don 
chemistry
if the pressure on a 100L weather balloon changes from 1.0 atom to 2.0atom, what would be the volume of the balloon at the higher pressure? Assume the temperature does not changes and the balloon has no leaks. what is the volume = to
asked by jacques shaw 
chemistry
what would happen to the volume of the 100L weather balloon if its temperature increases from 25 degrees Celsius to 125 degrees Celsius while the external pressure remains constant? Again, there are no leaks in the balloon.
asked by jacques shaw 
Treacher girls scholl
A hydrocarbon is burnt completely in air to form 13.2g of carbon dioxide gas and 7.2g of water. What is the molecular formula of the hydrocarbon?
asked by Esh 
math
What is the degree of the 3rd angle if the other two are 68 degrees?
asked by j 
math
what is the perimeter value of r=a(1+cos theta)
asked by vivek 
physics
A 1500 kg car moving at 10 m/s is stopped by the action of its brakes. The work done by the car's brakes is ____ Joules.
asked by bode 
Gen Chem
What are the net ionic equations for: 1. Potassium Fluoride and Ammonium Chloride and 2. Sodium Hydrogen Sulfite and Potassium Cyanide?
asked by Ann 
equation
what is the equation of calculating 5/90 lottery winning numbers if these numbers were selected for the first week 241366070
asked by patrick 
omt101
A wire when bent into the form of a square encloses an area of 12 sq.cm. if the wire is bent in the form of a circle, then what would be the area?
asked by Yogesh 
Calculus
Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95 degrees
asked by Bree 
math
what is the probability of selecting 5 from 90 numbers if these were selected first and had been added to it again 136062472
asked by patrick adjei 
omt101
Draw three differently shaped cross sections of an ellips
asked by Yogesh 
OMT101
Find variance and standard deviation for the data 35,45,30,35,40,25
asked by Yogesh 
Physics
An object initially at a temperature of 80 C cools by 1 C in a time of 15 s when placed in a 20 C room When the object's temperature reaches 50 C, what is the average rate at which the object cools?
asked by dan 
PRE CALC! HELP
1. a plane has heading of 54 degrees & airspeed of 225mph. The wind is blowing at 33mph from 144 degrees. what are its actua heading & airspeed? Round to one decimal place. A) 61.4deg, 257.1mph B) 7.4deg, 66114.0mph C) 136.6deg, 288mph D) no solution 2.
asked by elena 
Physiology
What condition triggers its release(e.g., glucose in blood) 1.Thyroid hormone 2.ADH 3. Aldosterone 4. Epinephrine 5. Melatonin 6. Estrogen
asked by Ivy 
chemistry
How many grams are required to make 1.5 L of 3.0 M hydrochloric acid (HCl) solution?
asked by ELLE 
chemistry
How many grams are required to make 1.5 L of 3.0 M hydrochloric acid (HCl) solution?
asked by ELLE 
Physiology
Parathyroid hormone and calcitonin are synthesized where?
asked by Ivy 
algebra
Solve the following equation for p. Show all of your work. r = 4q  5p over 9
asked by kay 
Physics
During a car race two cars,a ferarri and a mercedes crashed.The ferarri was travelling at a speed of 340km/h an the mercedes was travelling at a speed of 230km/h.What is the resultant crash
asked by Sivashen 
Science
Hello van some one show me how to draw a dot and cross diagramm for 1 lithium atom and 1 fluorine atom(Lif) and also a diagram for 1 magnesium atom and 1 oxygen atom (MgO) Thankyou Paul.
asked by Paul 
physics
An unstable atomic nucleus of mass 17.0 ¡Ñ 10¡V27 kg which is at rest disintegrates into three particles. One of the particles, of mass 5.00 ¡Ñ 10¡V27 kg, moves in the y direction with speed 4.50 Mm/s. Another, with mass 8.40 ¡Ñ 10¡V27 kg, moves
asked by Matthew 
history
discuss the america 'third world counteroffensive' from 1979 1989. was this in retospect, beneficial for the united states and the world in general?
asked by fatima 
math
given that a+b/5 = b+c/6 = c+a/7 = k, find the ratio a:b:c.
asked by ivy 
Spanish
i had to listen to an audio of these two poems and type them down. I did that part but I'm not sure of the accent marks of some words. If you can help me that would be great and also explain them to me more like do the meanings differ in the following
asked by anon 
English
Is it okay if I use your cellphone? 1. I'm sorry, but it's broken. 2. I'm sorry, but it is out of battery. i need to charge it. 3. i'm sorry, but I can't use it at the moment. Where can I charge my cellphone. 4. i'm sorry, but it's not mine. I have to
asked by rfvv 
English
1. He may have gotten up late. 2. He may have a fever. 3. He may be running towards school. 4. he may have forgot to come to school. 5. He may have overslept. 6. He may be spending time playing computer games in a PC room. 7. He may be upset and doesn't
asked by rfvv 
English
1. Please water the plants while I am away. 2. Please water the plants while I am absent. 3. Please water the plants in my absence. 4.Please water the plants while I am not here. 5. Please water the plants while I am out. 6. Please water the plants while I
asked by rfvv 
physics
A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water. True or False
asked by aaron 
chemistry
In a mixture of ammonia an chlorine with excess ammonia what is the product
asked by kennedy 
math
how to write 28th march 2011 in 5 letters without using number
asked by yatish 
math
a rectangle measures 10ft by 12 ft ,if there is anothere rectangle that is congruent to the one described ,how long are its sides?
asked by Ariel 
Biology.
Why are glycolen and starch good storage materials?
asked by Syahirah. 
calc
hi im totally blanking how do i find the antiderivative of cos(0.5(x^2))? thanks!
asked by math 
English
Can you please check these sentences for me? Thank you very much in advance. 1)Each group has to interview an American host student for ten minutes and then report about him/her to the whole class (also: present him o her to the whole class). 2)
asked by Mike 
converter
One foot is equal to how $many inches ?
asked by Anonymous 
Math
Sketch the graph of a function f that satisfies all the following conditions. (a) f(0)=0,f'=1 (b) f''(x)>0 for x
asked by Tina 
Math
The 16th term of an Arithmetric Progression is four times the 36th term, and exceeds it by 32. Finda the numbers.
asked by Ivy 
health care?business
I am doing a paper on not for profit and for profit health care organizations and i am confused I know for profit is to make money and not for profit has more of the charity help but when i do a search i always get nonfor profit so is forprofit
asked by april 
Science
how many atoms of carbon in 18 grams of C3H8o
asked by Sylvia 
science
Why is sucrose covalent but have ionic like characteristics? I am so confused I am doing a lab and i have no idea!
asked by shannon 
English
I included a few more sentences I'm unsure of. The last refer to the UK in the 20s. 1) I subscribe ( subscribed?) to Sky to watch English channels. I'm disgusted with this soup. 2) I was disgusted by the news (not with the news?) of the Prime Minister
asked by Mike 
earth science
what is the tectonic setting of seattle washington?
asked by will 
math
Rachel cannot remember how much money she had when she came to school this morning. She used half of the money for lunch and then spent half of what was left to buy paper. If she now has #1.35, how much money did Rachel begin with?
asked by johnny 
math
The number 1 is a perfect square and a perfict cube. What is the next smallest whole number which is a perfect square and a perfect cube?
asked by johnny 
Geometry
find the circumference of the figure, Give both the exact value and an approximation to the nearest hundredth. Circle 6.6km I am just learning this and a teacher is using inches but the textbook has metrics and I never learned the metric system Please
asked by Jeannie 
English
I am writing an argumentative essay on Why I think America should not have to accommodate the languages of immigrants that come to America that they should learn English before being eligible to become a US citizen.
asked by Lisa 
Literature
Over the course of The Screwtape Letters, the state of the patient's soul fluctuates as he experiences a conversion, doubt, dangerous friendships, war, love, and finally, in death, oneness with God. What major strategies does Screwtape use to tempt the
asked by Scott 
Literature
In discussing time, change, and pleasure, Screwtape asserts that "just as we pick out and exaggerate the pleasure of eating to produce gluttony, so we pick out this natural pleasantness of change and twist it into a demand for absolute novelty". Why is the
asked by Scott 
home economics
IMPORTANCE OF ELECTRICITY TO THE DEVELOPMENT OF HOME ECONOMIS
asked by YAKS 
physics
A steel ball of mass 0.300 kg is fastened to a cord that is 70.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. At the bottom of its path, the ball strikes a 2.50 kg steel block initially at rest on a frictionless
asked by Taylor 
physics
A small fly of mass 0.26 g is caught in a spider's web. The web vibrates predominately with a frequency of 4.2 Hz. Find the effective spring stiffness constant k for the web. Hint: use natural frequency of oscillations formula. N/m
asked by Anonymous 
physics
At what frequency would you expect the web to vibrate if an insect of mass 0.52 g were trapped? Hint: use stiffness constant found in part 1. Hint: after the insect is trapped, the mass of the oscillator has increases by insect's mass, so the mass in the
asked by Anonymous 
physics
A spring scale being used to measure the weight of an object reads 12.8 N when it is used on earth. The spring stretches 4.95 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1/6g. Find the reading of the
asked by Anonymous 
science
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard
asked by crystal 
Managerial Accounting
The questions in this exercise are based on JetBlue Airways Corporation. To answer the questions, you will need to download JetBlue’s 10K/A for the year ended December 31, 2004 (10K/A with a filing date of March 8, 2005). You do not need to print the
asked by Angel 
physics
A car can go from 0 to 85 km/h in 10 s. If the engine delivered twice the power, how many seconds would it take?
asked by Elle 
math
Samantha has an average of 92% on tree math test. If one of her grades was 84% and the other is 93%, what was the grade of her third test?
asked by Lois 
chemistry
Besides actin and myosin, what is another example of a Contractile Protein? If you could tell me about its function too, that would help too. Thanks
asked by Dre 
math
The number of Sophomores who eat lunch in the caeteria is about threefouths the number of Freshmen. If there are 60 more Freshemen than Sophomores, how may Sophomores eat lunch in the caafeteria?
asked by johnny 
physics
A meterstick is at rest in an inertial frame S2.If S2 moves with a speed of 0.8 c with respect to a rest frame S1, find the length of the meterstick as measured in frame S1 according to classical physics. Answer in units of m.
asked by kay 
Stats.
An obstetrician maintains that preterm babies (gestation less than 37 weeks) have a higher variability of birth weight than do fullterm babies (gestation 3741 weeks). According to the National Vital Statistics Report, Vol. 48, No. 3, the birth weights of
asked by Rob 
physics
The weight of an object changed by +25.0%. The object's final weight was 2.5 grams. What is the initial weight of the object?
asked by Anonymous 
physics
A mass of 0.246 kg is converted completely into energy of other forms. How much energy of other forms is produced? The speed of light is 2.99792 × 108 m/s. Answer in units of J.
asked by kay 
Algebra II
Please helpI'm totally lost What is the equation of the ellipse with foci(10,0), (10,0) and covertices (0,3),(0,3) x^2/109 + y^2/9 = 1 X62/100 + y^2/9 = 1 Please show me the steps because I have others to do and I'm really stuck
asked by Shiela 
Pre Calculus
Given Triange ABC with an area of 100.2 a = 32.5 c = 29.2 Find angle B, expressed in degrees.
asked by Brent 
physics
A 1500 kg car moving at 10 m/s is stopped by the action of its brakes. The work done by the car's brakes is ____ Joules.
asked by aaron 
physics
You are the technical consultant for an actionadventure film in which a stunt calls for the hero to drop off a 18mtall building and land on the ground safely at a final vertical speed of 5 m/s. At the edge of the building's roof, there is a 100kg drum
asked by laila 
physics
The total energy of a 2.00 kg falling rock is 5000 J. If its potential energy is 1975 J, the kinetic energy of the rock is ____ J. The speed of the rock is ___ m/s
asked by courtney 
chemistry
A plot of ln k vs. 1/T for the reaction gave a line with a slope  3250 kelvin determind the energy of activation?
asked by dea 
chemistry
Consider the reaction HCl + NaOH >NaCl + H2O Given: HCl Solution: 22 degrees celsius NaOH Solution: 22 degrees celsius Final Temperature: 26.1 degrees celsius A. Calculate the amount of heat evolved when 15 mL of 1.0 M HCl was mixed with 35 mL of 1.0 M
asked by Vanessa 
chemistry
the rate constant for the reaction is 0.152 s_1 at 27 degree the rate constant increases to 0.304 s _1 at 37 degree what is the value of energy of activiation for the reaction?
asked by dea 
Physics
A radioactive nucleus is at rest when it spontaneously decays by emitting an electron and neutrino (as shown in the figure below ). The momentum of the electron is 8.11 x 10−19 kg·m/s and it is directed at right angles to that of the neutrino. The
asked by Tom 
Physics
A sled of mass 5.98 kg is coasting along on a frictionless icecovered lake at a constant speed of 1.42 m/s. A 1.98kg book is dropped vertically onto the sled. At what speed does the sled move once the book is on it?
asked by Mary 
math
symplify the expression if possible: e^3
asked by mike 
pre calculus
1. a plane has heading of 54 degrees & airspeed of 225mph. The wind is blowing at 33mph from 144 degrees. what are its actua heading & airspeed? Round to one decimal place. A) 61.4deg, 257.1mph B) 7.4deg, 66114.0mph C) 136.6deg, 288mph D) no solution
asked by zooey 
Algebra 1
Bunson Burner has 3 liters of a 10% acid solution. How much of pure acid must be added to produce a 50% acid solution?
asked by Cassidy 
geometry
Two sides of a triangle measure 4 inches and 9 inches. Determine which cannot be the perimeter of the triangle. A.19 inches, B.21 inches, C.28 inches, D.26 inches
asked by mel 
Enviornmental Science 104
GIS Identified Environmental Constraints It is because of regulations that environmental consulting companies in New Jersey are in such high demand, as it is a lengthy process to apply for a permit of any kind. My questions are: Do you think that by
asked by Mack D. 
physics
Zero, a hypothetical planet, has a mass of 5.7 x 1023 kg, a radius of 2.8 x 106 m, and no atmosphere. A 10 kg space probe is to be launched vertically from its surface. (a) If the probe is launched with an initial kinetic energy of 5.0 x 107 J, what will
asked by jr 
math
you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14% interest per year, how long will it take you to repay your debt?
asked by ash 
Chemistry
a solution is made by combining 5 mL of .2M HC2H3O2, 5 mL of .2M NaC2H3O2, and 10 ml of water. calculate the molarity of HC2H3O2 and of NaC2H3O2 in this new solution
asked by Anonymous 
chemistry
Investigating changes in colligative properties involves the measurement of a solution’s concentration in molality instead of molarity because of which of the following? the mass of the solvent does not change, but its volume does change, as temperature
asked by Annie 
Math
A company contributes $170 per month into a retirement fund paying 4.20% compounded monthly and employees are permitted to invest up to $ 2,800 per year into another retirement fund which pays 4.20% compounded annually. How large can the combined
asked by Megan 
physics
what's the resulting acceleration when unbalanced force of 98N applied to a 5.1 kg object?
asked by nofa 
chemistry
Consider the titration of 88.0 mL of 0.150 M Ba(OH)2 by 0.600 M HCl. Calculate the pH of the resulting solution after the following volumes of HCl have been added. 0.0 ml 12 ml 31 ml 44 ml 88 ml
asked by Sarah 
History
My teacher wants me to tell her what the climate is like in alaska but i cant seem to find anything about it in simple terms.... what is a good way to put it?? PLEASE HELP ME
asked by Samantha 
calculus
find the derivative of s(t)=(1+e^t)ln t
asked by melissa 
calculus
find the derivative of F(x)=x^24/1+lnx
asked by melissa 
math
factor the polynomial: x^2 + 6x + 9
asked by Bob 
physics
Three identical stars of mass M = 6.4 x 1030 kg form an equilateral triangle that rotates around the triangle's center as the stars move in a common circle about that center. The triangle has edge length L = 5.0 x 1010 m. What is the speed of the stars?
asked by jr 
English
Can you please check if everything is all right in these sentences I wrote on the second world war. Thank you. 1) On the 1st of September 1939 the Germans invaded Poland; on the 3rd of September the Western Powers (France and England) declared war on
asked by Mike 
science  magma
Magmas which have different chemical compositions have different temperatures i.e basaltic magmas erupt at about 1200 °C whereas rhyolitic magmas erupt at about 700 °C. what is the difference in chemical composition between these two? also why can the
asked by rebecca niles 
stats
A sample of 12 observations is selected from a normal population for which the population standard deviation is known to be 4. The sample mean is 19. (Round your answers to 3 decimal places.) (a) The standard error of the mean is The 90 percent confidence
asked by liam 
Chemistry
a. write the complete hydrolysis equation of NaC2H3O2 b. identify the spectator ions c. identify conjugate acid base pairs
asked by Anonymous 
PreAlgebra 7th Grade
I need help with this problem: Suppose you design a second model car that is 1/4 the size of the model car you designed in Excercise 9.What is the perimeter of the license plate on the second model car? Let me explain.The perimeter of the actual car's
asked by Jorge 
trig
In a circle of radius 12 inches, a sector is formed by a central angle of pie/4 radians. Find the area of the sector to the nearest hundredth of a square inch.
asked by Lisa 
accounting
Assume that the following transactions affected owners' equity for De Soto Inc. during 2011. Feb. 1 Sold 40,000 shares of common stock in the market. Apr. 1 Purchased 3,000 shares of common stock to be held as treasury stock. Paid cash dividends of $0.50
asked by ibrahim 
Jenny  earthgeology
I removed your original post because you included your full name and your town. That's too much personal information for a public forum. Here's your question: Hey there, can anyone help with this question:Mineral amphibole is composed of double chains of
asked by Ms. Sue 
physics
An object traveling 200 feet per second slows to 50 feet per second in 5 seconds. Calculate the acceleration of the object.
asked by j 
English
I forgot to include the following sentences on the same subject. Thank you for checking them. 1) The turning point of World War II came in 1941: Hitler, ignoring his pact, attacked Russia in June, and the Japanese, in December, attacked the American naval
asked by Mike 
chemistry
Balanced equation: 2HCL+CaCO2>CaCl2+CO2+H2O what volume of 6.00 M HCL is needed to completely react with .750 moles of CaCO3
asked by patti 
chemistry
Balanced equation: 2HCL+CaCO2>CaCl2+CO2+H2O what volume of 6.00 M HCL is needed to completely react with .750 moles of CaCO3
asked by patti 
Algebra IIPlease check my calculation
Find center, vertices, covertices and foci for the following; (x3(^2/49 + (y4)^2/4 = 1 Center would be (3,4) A=7 b=2 Vertices would be found this way: (h+a,k) (37,4) (3+7,4) Vertices = (4,4) (10,4) Covertices (h,k+b) (3,42) (3,4+2)
asked by Sheila 
survey of science
if a automobile with a mass of 500kg hits another car that has a mass of 650kg produces a force of 1800n, find the acceleration
asked by angel 
chemistry  help
0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownishyellow to green. 1ml of 0.1M perchloric acid is
asked by candy 
Chemistry HELP! IMLOST
The density of a gas containing chlorine and oxygen has a density of 2.875 g/L at 754.5 mm Hg and 11(degress C). What is the most likely molecular formula of the gas?
asked by Toni Jones 
chemistry, please help!!
The combusion of glucose produces carbon dioxide and water vapor according to the chemical equation below: C6H12O6 (s) + 6O2 (g) > 6CO2 (g) + 6H2O (g) DELTA H = 2540 kj Calculate the energ involved in making 75.0 g of glucose from carbon dioxide and
asked by Rachel 
english 10
Every sentence in the paragraph below violates some principle of good persuasive writing. Revise the paragraph, following the directions at the end of each sentence; use your imagination where necessary. Type the revised paragraph in the text box provided
asked by Joven 
french 2
FRENCH 2 i am having a lot of trouble with l'imparfait et le passe composetalking about actions in the past and i need some tips on how to study.... anyone got suggestions? im open to anything. thank you very much! :)
asked by kw 
french 2
FRENCH 2 i am having a lot of trouble with l'imparfait et le passe composetalking about actions in the past and i need some tips on how to study.... anyone got suggestions? im open to anything. thank you very much! :)
asked by kw 
FP/101
Discuss some positive steps you can take to manage debt.
asked by Monca 
math
What is the value of $6,440.00 at 10% interest rate in 19 months?
asked by Theresa 
math
what is the elapsed time between 5:12am and6:05pm?
asked by daniyal 
English
I included the five statements I was not sure of. Thank you for helping me. 1) The turning point of World War II came in 1941: Hitler, ignoring his pact, attacked Russia in June, and the Japanese, in December, attacked the American naval base of Pearl
asked by Mike 
english 10
Every sentence in the paragraph below violates some principle of good persuasive writing. Revise the paragraph, following the directions at the end of each sentence; use your imagination where necessary. Type the revised paragraph in the text box provided
asked by Joven 
Algebra
The area of a playground is 221 yd^2. The width of the playground is 4 yd longer than its length. Find the length and width of the playground.
asked by ismackyourfacewithabanana! 
Calculus
Using L'Hopital's Rule, find the limit: lim x>0+ (as x approaches 0 from the right) of sinx/x^(1/3)
asked by Justin 
statistics
The participants in a weightloss class lost the following weights (in pounds) after three weeks of dieting:3,6,0,3,0,0 Assuming that these weights constitute an entire population, find the standard deviation of the population. Round your answer to at
asked by roy 
math
Pivot the system about the element in row 2, column 1. –5 5 –7 10 4 4
asked by Leah 
Math
A rope 3/4 yard long is cut into 9 pieces. Each piece is the same length. how long is each piece?
asked by Chris 
Chemistry
The distance between the first and fourth crest of water is 10.9 m. A crest appears every 0.435 minutes, at a point along the wave. What is the speed (m/s) of the water waves?
asked by Kamila 
Physics
what is the kinetic energy in joules of a 1040kg automobile traveling at 81 km/h ?
asked by Adrienne 
Chemistry
Sodium vapor lamps, used for public lighting, emit yellow light of wavelength 589 nm. How much energy is emitted by 5.00 mg of sodium atom emitting light at this wavelength?
asked by Kamila 
Chemistry
What is the energy and wavelength of a photon with a frequency of 91.5 MHz?
asked by Kamila 
math
what is the height of a triangle that the base is 16m and an area of 64m
asked by osdrian 
Chemistry
A laser produced a light of wavelenth 575 nm. How many photons of this light would have to strike a material for the material to absorb 55.1 kJ?
asked by Kamila 
Chemistry
When light having a wavelength of 497 nm strikes a metal coating of an emitter, an elector with kinetic energy of 2.52 x 10^19 is ejected. What is the threshold frequency for this metal?
asked by Kamila 
Chemistry
In a hydrogen atom, form what energy level must an electron fall to the n=3 level to give a line at 1.28 micrometers (um) in the infrared region?
asked by Kamila 
geometry
Calculate the volume of the figure shown. a = 8 and b = 12. Use 3.14 for pi and round answer to the nearest tenth
asked by BreAnna 
reading
place a comma in this sentences since pete was always online playing computer games Andy decided to buy his own computer
asked by kamal 
geometry
The length of a rectangular garden is two feet less than five times the width. If the perimeter is 72 feet, what is the length of the garden?
asked by Anonymous 
English
These are the very last sentences of the day. Thank you very much for your help. 1) I know I'll miss working with you. She is going to change job. 2) She suggested going to the cinema rather than to the theatre. Do you remember seeing that man before? 3)
asked by Mike 
Calculus
A spherical balloon is being inflated at a rate of 10 cubic inches per second. How fast is the radius of the balloon increasing when the surface area of the balloon is 2pi square inches? Enter your answer correct to 3 decimal places.
asked by Anonymous 
Calculus
An opentopped cylindrical pot is to have volume 125 cm3. Determine the minimum possible amount of material used in making this pot? Neglect the thickness of the material as well as possible wastage. Give your answer accurate to 2 decimal places.
asked by Anonymous 
Calculus
A ball is thrown upward with an initial velocity of 96 feet per second from the top of a 100 foot building. (a) When well the ball attain its maximum height? (b) When will the ball hit the ground? Give a decimal answers correct to 2 decimal places.
asked by Anonymous 
math
what is the base of a triangle that has a heigt of 17 and an area of 51
asked by osdrian 
reading
place a comma in this sentence convinced that she would need extra money for college,Andrea applied for a second job at the libary
asked by kamal 
social studies(history)
1 – Tanzimat ile Meşrutiyet yönetimlerinin Osmanlı İmparatorluğu’nda meydana getirdikleri temel değişiklikleri yazınız. 2 – İttihat ve Terakki yöneticilerinin I. Dünya Savaşı’ndan beklentileri nelerdir. 3 – Çanakkale
asked by brk 
reading
where do u think the commas belong? in fact most students find it hard to sleep past 6:00A.M. during the semester,so you as well take 8:00 classes
asked by kamal 
math
find the missing dimension of each triangle height=17 area=51 what is the base please help!!
asked by osdrian 
math
lim x>1 [(sqrt10x)3]/[1(1/x)] Help please, Thankyou
asked by ytu 
Math
How many 9" squares are there in a 8' x 10' area?
asked by Donna 
English
I forgot two include these two very last sentences. Thank you. 1) You can write either on the photocopy or on the foolscap paper (I don't know if it is correct) 2)Present the character of the prioress, pointing out her appearance, her attitude towards her
asked by Mike 
Environmental Science
In the United States we are fortunate to have an abundant supply of food, and much of this is due to our agricultural technology. However, there are many concerns about our food source including genetically modified crops, the use of more chemicals, and
asked by Anonymous 
math !!!! :O
Daniel gave 4/5 of his stickers to Javier. Javier’s collection of stickers increased to 64. If Javier had 28 stickers in the beginning, how many stickers did Daniel have in the beginning?
asked by Katherine 
Physics
While standing on a frictionless ice surface, a 50 kg skater pushes against a wall with an average force of 150 N west for 0.210 s. Calculate the velocity of the skater at 0.210 s. This was what i did: m = 50 kg Fnet = 150 N t = 0.210 s Vf =? Fnet = ma
asked by bram 
College Chem
What is the pH at the equivalence point in the titration of 0.250 M HX (Ka = 5.2 x 10^6) with 0.250 M KOH?
asked by Angelina 
Math
Which expression represents the larger number? A. 40.1 x 10 to the 6 power B. 4.1 x 10 to the 7 power C. 0.411 x 10 to the 6 power D. 0.04001 x 10 to the 5 power I got A, but I'm not quite sure if it's the right answer :/
asked by Melanie 
science
How many times a year does the moon go through its cycle or phases?
asked by Kelly 
Clothing and Textiles
What are thedifferent methods of controlling fullness in a garment. Need pictures
asked by Sonia 
algebra
Theresa has $26 in her wallet. The bills are worth either $5 or $1. If there are 14 bills total, how many does she have of each type?
asked by Anonymous 
college chem
A 0.1276 g sample of a monoprotic acid (molar mass = 1.10 x 10^2) was dissolved in 25.0 ml of water and titrated with 0.0633 M NaOH. After 10.0 ml of base has been added, the pH=5.47. What is the Ka for the acid?
asked by Angelina 
PHYSICS
A nuclear reactor contains nuclei that fission when bombarded by slow neutrons. The fission reaction produces fast neutrons which need to be moderated (i.e. slowed down) in collisions before they can cause further fissions. In this problem we consider a
asked by Megan 
English
What is the adverb in these sentences? I got the answer, but can you check? In the past, scientists did not have much information about certain animals. Adverbs: Past, much With modern technology that has already changed. Adverbs: modern, already A cat
asked by Kayla 
math
what is thename for the point where the three altitudes of a triangle are concurrent?
asked by gwen 
math
can someone help explain how to do this? allen has nickels dimes and quarters in his pocket. the number of nickels is 1 more than twice the number of quarters. the number of dimes is 1 less than the number of quarters. if the value of change in his pocket
asked by Robbie 
Math
y= x7 3x+6y=6 I don't understand how to solve for the xvariable.
asked by Erika 
math
Find percent of number: 64% of 50
asked by deb 
math
jodi said that two congruent triangles that each have a base of 10 inches and a height of 6 inches is he correct
asked by osdrian 
Math
Ms Sue i did not understand ".65 *0=" How about 14% of 56?
asked by deb 
math
There are 25 red, blue, yellow and green marbles in a bag. Four of the marbles are blue and the probability of selecting a blue or green marble at random is 40%. Write and solve an equation to determine the number of green marbles in the bag
asked by maymay 
Ap english language composition
write a five paragraph stylistic analysis essay about the story "Hills Like White Elephants" written by ernest hemingway
asked by Linda 
math
what part of a day is 45 minutes?
asked by joe 
math
the new price is $42 and the old price was $56, what is the percent of decrease?
asked by gio 
English
I forgot to add these very last sentences. Thank you very much for all! 1) I last felt sorry when my best friend lost his father in a car accident. 2) I last felt sorry for a friend of mine, whose father was run over by a lorry while crossing the road. 2)
asked by Mike 
algebra 2
Guy wire. How long is a guy wire reaching from the top of a 24ft pole to a point on the ground 16 ft from the pole? Thank you.
asked by Esther 
math
how is the size of a parallelogram related to the size of to trapezoid
asked by osdrian 
chemistry
In the chemical expression, 5 C2H4 : There are __________ molecules of Ethene represented which contain a total of _______ atoms of Hydrogen. Please give both answers in number form with a comma between numbers.
asked by Anonymous 
math
In 1991, the separation between goalpost uprights in college football changed from 23 feet 4 inches to 18 feet 6 inches. What percent reduction was this? (accurate to tenths)
asked by lucky 
Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children?
asked by MX 
algebra
g(x)=10x find domain. please explain
asked by manda 
8th grade science
what contents in magma affects a volcanos explosive?
asked by jess 
science
items that change from a chemical to thermal energy
asked by uhyuuuuuug real name 
Algebra 2
If y is inversely proportional to x and y=12 when x=2, what is the value of x when y=3? A. 2 B. 3 C. 8 D. 12
asked by Lauren 
sociology
i have to submit a paper on a similair artical about walmart failing in germany
asked by Anonymous 
Algebra 2
The frequency of a radio wave is inversely proportional to the wavelength. If a wave 250 m long has a frequency of about 1200 kHz, what is the approximate length of a wave with a frequency of 800 kHz? A. 167 m B. 258 m C. 325 m D. 375 m
asked by Lauren 
language arts
my mom went to the grocery store. she forgot her purse... a)comma B)and c)or d)but e)because
asked by vincent 
math
Assume that the sides of triangles are limited to wholenumber measures. How many different triangles have a perimeter of 12 meters? Explain how you determined this.
asked by JV 
science
what contents in magma affects a volcanos explosive?
asked by kailtlyn 
geometry
if the area of triangle QRS is 38 sq cm, what is the area of QRST?
asked by Terry 
Physics
A submarine has run into trouble and is stuck at the bottom of the ocean. Several people are on board and must make their way to the surface without any diving gear. The air pressure aboard the submarine is 3.29 atm. air temperature inside the submarine is
asked by Sam 
math
What is the median of this set? {π, √25, 15%, √15, 10/4 }
asked by Lean 
math
triangle a and b are similar the ratio of a side of triangle b to a corresponding sid of triagle a is 5.3 the lengths of the sides of triangle a a are 18ft, 27ft and 30ft find the perimeter of triangle b
asked by michael 
English
I left out a very last sentence. Thank you very much! 1)Do you always make breakfast by yourself? To tell the truth, I sometimes have it made by my mum. Is it also possible: Do you always make yourself breakfast?
asked by Mike 
chemistry
To culinary experts and to the average person the term “Extra Virgin” has a ring of exclusiveness and quality to it. When it comes to olive oil, exactly what does this term signify? I am supposed to explain the chemistry behind Extra Virgin Olive oils,
asked by annonymous 
What is the meaning?
I don't understand this quote "There are decades where nothing happensl and there are weeks where decades happen."?????
asked by Indiana 
Science
Explain how would the gravitational force between Earth and the Moon change if the distance between them increased?
asked by Karina 
Math
Repeated sample of 36 are drawn from a population with mean 52 and standard deviation 18. What is the standard deviation of the distribution of the sample means?
asked by Lori 
Physics
A spring has a spring constant, k, of 441 N/m. How much must this spring be stretched to store 22 J of potential energy?
asked by Maria 
english
I am doing something called "Mystery word match". you have to combine all three words to make another word. renovate activity motion Bones do_ _ _ _ _ _ _ _ (8 letters)
asked by Alex 
Physics
What does the symbols u and u' stand for?
asked by anon 
english
How might readers react if the topic sentences in an essay did not coincide with the supporting points, and why would their reaction be justified?
asked by richard 
Mcdonalds
What company is related to mcdonalds?
asked by Lisa 
physics (Science)
If a bee flew 27 centimeters in 10 seconds what would its speed be?
asked by Sara 
chemistry
how much energy is given off when 2.00 mol of CH4 are burned?
asked by nancy 
english
How can I make this into two sentences? Note: Ending the first sentence in book. Carl shows selfhatred also known as the death drive in the book when he says, "I hate my life. I want to die right now" (67).
asked by Missy 
science
Imagine a marble dropped from a tall building at 1.62 meters per second. How long would the marble be in the air. Velocity= Gravitational acceleration x time
asked by Mary 
math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
asked by jj 
english
What opinion might they have of the author? What could you as a writer do to prevent this problem?
asked by richard 
english
what other ideas does Tom Corbett have in place to save money in PA?
asked by kelly 
english
How can I condense these two sentences into one sentence? Carl is using a defense mechanism known as displacement. Displacement is the transfer of an emotion from its original focus to another object, person, or situation.
asked by Missy 
physics
The load across a 12 V battery consists of a series combination of three resistors 21 ohm, 22 ohm, and 56 ohm. What is the total resistance of the load?
asked by maria 
Science
Compare an astronauts weight in orbit with the astronauts weight on Earth, assuming the mass of the astronaut doesn't change.
asked by Janice 
calc b
lINEAR APPROXIMATION; find a linearization at a suitably chosen interger near X at which the given function and its derivative are easy to evaluate; f(x)=1+X x=8.1
asked by steve 
math
Please Help!! The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
asked by luce 
math
Formulate a system of equations for the situation below and solve. A theater has a seating capacity of 660 and charges $2 for children, $4 for students, and $6 for adults. At a certain screening with full attendance, there were half as many adults as
asked by Leah 
Math
I need help.I'm in 5th grade.The question is:12 less than the product of 5 and a number equals 8.What is the unknown number?Plz help
asked by Sydney 
math please help
base 1=22in base 2=20in height=25in whats the area
asked by osdrian 
precalculus
log 60 4 estimate the following log
asked by josh 
physics
a projectile is shot up 25 m/s at an angle of 34 degress how high imto the air does the projectile go?
asked by kane 
Chemistry
A gas expands from 282 mL to 971 mL at constant temperature.Calculate the work done (in joules) by the gas if it expands against a constant pressure of 6.00 atm.
asked by Kiana 
psychology
what are the basic concepts of human interaction from a psychology perspective. In your examination, describe at least two examples of how human behavior changes based on social situations
asked by jazz 
Spanish
The peoms are written that way I'm just not sure of the accent marks of some words. If you can help me,that would be great and also explain the accent marks more. that would help me in future. Thanks! First poem No sé qué te diera, por una mirada… un
asked by anon 
Science
What is a habitat?
asked by Anonymous 
Science
Why are ecosystems important to the survival of humans?
asked by Anonymous 
Math
How much money has to be invested at 4.3% compounded continously to have $19,000 after 16 years
asked by Danny 
algebra
find the positive value of x, to the nearest hundredth, that satisfies the equation 1 over x= x+2 over 2x+3
asked by Mike 
Math
There are 7 green cas. Predict the number of of green cars you would expect to see if there were 125 cars in the parking lot.
asked by DeeBie 
Psy202
identify the 3 domains of development, why it is important to consider each domain in the study of adult development, and an example of how one domain of development impacts the other two.
asked by Anonymous 
physics (3 seperate questions)
1. A small fly of mass 0.26 g is caught in a spider's web. The web vibrates predominately with a frequency of 4.2 Hz. Find the effective spring stiffness constant k for the web. Hint: use natural frequency of oscillations formula. N/m 2. At what frequency
asked by Anonymous 
Interest Rates
Homer won a prize in the lottery of $1000, payable $500 immediately and $500 plus 4% simple interest payable in 250 days. Getting impatient, Homer sells the promissory note to Moe for $450 cash after 130 days. Using a nominal 360 day year, find the simple
asked by Melissa 
physics (3 separate questions)
1. The motion of a body is described by the equation ay = −308y. (a) Find the angular frequency. (b) Find the frequency. (c) Find the period. 2. A 2.10 kg mass attached to a spring oscillates with a period of 0.395 s and an amplitude of 20.5 cm. (a) Find
asked by Anonymous 
Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
asked by Macy 
math
a hotair balloon is seen in the sky simultaneously by two observers standing a t two different points on the ground. (the 2 people are facing each other and the balloon is in between them in the air.)they are 1.75 miles apart on level ground. The angles
asked by lulu 
Chemistry
When someone buys fish at the fresh fish market, they should smell the fish to test for freshness, the less “fishy” the smell the fresher the fish. I am supposed to explain the source and chemistry, including reactions, structures, and names of the
asked by Sammy 
Science
Compare an astronauts weight in orbit with the astronauts weight on Earth, assuming the mass of the astronaut doesn't change.
asked by Janice 
math
I am less than 100. The sum of my didgits is 4. Half of me is an odd number.
asked by jack 
math
how do I find the rules for input output division tables
asked by Tyra 
college
How much I2 is needed to stop decomposition of H2O2?
asked by Michael 
Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
asked by Mai 
geometry
A cable 22 feet long runs from the top of a utility pole to a point on the ground 15 feet from the base of the pole. How tall is the utility pole?  thanks!
asked by christina 
Essay
Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement(that which you will be writing about  in the form of a statement, or point of view) Two or three paragraphs, of about 810 sentences
asked by Sara 
math
If you multiply me by 2, I become a number greater than 20 and less than 40. If you multiply me by 6,I end in 8. If you multiply me by 4 I end in 2.
asked by jack 
Calculus B
The Antiderivative of: x(arctanx)dx It's clearly integration by parts with u=arctanx and dv=x, but after that I go down hill. HELP!
asked by Brandon 
Calculus B
The Antiderivative of: (2x+3)/((x^3)+3x) This one is devinately integration by partial fractions but im not sure what i am doing wrong. PLEASE HELP.
asked by Brandon 
Calculus B
Prove: lim as x goes to 0+ of x^(sinx)=1
asked by Brandon 
Calculus B
Find lim as x goes to 0 of (xsinx)/(1cosx)
asked by Brandon 
statistics
A resher ranoumly selects and intreviews 10 male and 100 female college teacher. type of sampling technique?
asked by Mary 
Science
How many times a year does the moon go through its cycle or phases?
asked by Kelly 
math
A team has twelve 15yearold players and eight 16yearold players. The coach of the team is 43 years old. Which measure of central tendency best represents the ages of the team, including the coah, and why? A: Mean, because it is not affected by the age
asked by Jammin 
math
what is 320/380 (or in fraction term) in lowest terms? and what is 54 over 126 in lowest terms?
asked by tiana 
math
a hotair balloon is seen in the sky simultaneously by two observers standing a t two different points on the ground. (the 2 people are facing each other and the balloon is in between them in the air.)they are 1.75 miles apart on level ground. The angles
asked by lulu 
physics
determine the kinetic energy of falling by an average of one degree of freedom of the nitrogen molecule at temperature T = 1000 K, as well as the kinetic energy of rotational motion.
asked by lisa 
Discrete Math
An arithmetic sequence begins, 116, 109, 102 Find the 300th term of this sequence.
asked by Francesca 
math
Double my tens digit to get my ones digit. Double me and I am less than fifty.
asked by jack 
marketing,,please help me
is anyone can help me please for this question. why are supplier an mportant uncontrollable factor for many companies?
asked by jessie 
marketing,,,i need you help
is anyone can help me to get an idea for this question.. how does a firm corporate cultur influence the performance of its personnel? relate the anwer to a small catering business that caters to corporate accounts.
asked by jessie 
306090 triangle
The hypotenuse of a 306090 triangle is 10. Find the perimeter. How do i do that?
asked by Jesse 
trig
y=1/4 cos (2/3 x +3 pi )
asked by moh 
Chemistry
The density of a gas containing chlorine and oxygen has a density of 2.875 g/L at 754.5 mm Hg and 11(degress C). What is the most likely molecular formula of the gas?
asked by Toni Jones 
Math
Mike and Ben split the cost of a new lawn mower. The regular price of the mower was $360. They used a 15% off coupon. They paid 6% tax on the reduced price of the mower. In dollars and cents how much did each pay?
asked by Helperz 
Physics  Doppler Effect
The siren in an ambulance has a frequency (according to you) of 1100 hz as it moves towards you at a speed v. It then makes a uturn and travels away from you with a speed v, and you hear a frequency of 950 hz. What is the final speed v of the siren?
asked by J Velji 
icp
you wreck a car travveling at 88 m/sec and decelerate at 200/s2 how far will the car crumble in at you.
asked by rich 
4th grade math
teacher divided students into groups of 3. each group of 3 wrote a report the had 9 pictures in it. the students used 585 pictures all together. how many students were there in all?
asked by Anonymous 
Algebra
Hello. I am trying to figure out how to find the number of solutions in the following problem: (x + 8) (x + 8) = 0
asked by David 
Chemistry Molarity
What is the concentration, in units of molarity, of a 500mL solution containing 0.750 moles of sodium chloride in water?
asked by Toni Jones 
Chemistry Molarity
What is the concentration, in units of molarity, of a 500mL solution containing 0.750 moles of sodium chloride in water?
asked by Toni Jones 
Essay  Changed some things
Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement(that which you will be writing about  in the form of a statement, or point of view) Two or three paragraphs, of about 810 sentences
asked by Sara 
Physics (dynamics)
While standing on a horizontal frictionless surface, a 50 kg student pushes against a wall with an average force of 125 N east for 0.110 s. Calculate the velocity of this student at 0.110 s
asked by Anonymous 
physics
The four wires that lie at the corners of a square of side a= 5.60 cm are carrying equal currents i= 1.80 A into (+) or out of () the page, as shown in the picture. Calculate the xcomponent of the force on a 1.0cm long piece of the lower righthand
asked by Matt 
Living on your own
What would the greatest financial challenge in living on your own be? I'm guessing that would be paying off utilties, bills, grocery.
asked by Allen 
Need Websites
Does anyone know good videos that teach you what Stock markets are and stuff  Childlike videos with simple terms would be great. Thanks in advance!
asked by Anonymous 
Stats
How many different simple random sample of size 8 can be obtained from a population whose size os 42?
asked by Brooke 
Math
Find x, the angle of depression (measured in degrees) from the top of a lighthouse that is 173 ft above water level to the waterline of a ship 4835 ft off shore. Round your answer to the nearest hundredth of a degree.
asked by Maria 
chemistry
if .55 grams of a gas dissolves in 1 liter of water at 20 kPa of pressure, how much will dissolve at 110 Kpa of pressure?
asked by Anonymous 
Chemistry
How to prepare 1000 nM stock solution using Tam (1 gm) Mol Weight=563.6
asked by Boobla 
social studies
I need a poem about the battle of lexington and concord.
asked by karen 
English
Need to label the verb wish A for action of L for Linking... 1. The koala bears have climbed the tree. Answer=A 2. The peacock seemed more beautiful than before. Answer=A 3. In the rain forest display at the zoo, the birds looked stange and exotic.
asked by Ann 
PHYSICS
In a laboratory experiment, a bullet of mass 47.0 g is shot horizontally into a stationary block of totara of mass 3.50 kg that hangs from a light string. The bullet is then embedded a distance d = 3.50 cm into the block and the combined blockbullet
asked by Gary 
Calculus
A ball is thrown upward with an initial velocity of 96 feet per second from the top of a 100 foot building. (a) When will the ball attain its maximum height? (b) When will the ball hit the ground? Give a decimal answers correct to 2 decimal places.
asked by Anonymous 
Math
How much did you invest each month at 6.60% compounded monthly if 25 years later the investment is worth 228190.50?
asked by Jordan 
Math
A baseball manufacture checked 250 of its baseballs and found that 8 were defective. About how many would be defective out of 4500 baseballs? Could someone explain to me how to do this
asked by HelpPlease Olivia 
PHYSICS
A submarine has run into trouble and is stuck at the bottom of the ocean. Several people are on board and must make their way to the surface without any diving gear. The air pressure aboard the submarine is 3.04 atm. The air temperature inside the
asked by Sam 
chemistry
how many oxygen atoms are in 0.25 mole of SO3 ?
asked by shellywo 
stressed and unstressed syllables
how do you know a stressed or unstressed syllable
asked by pat 
math
I need to know when you have lettets how csn you deternine what the numbers will be. Ex: GRAPE  PLUM = APPLE. How would I he able to know what numhers represent the letters? Thanks
asked by mary 
Chemistry
Suppose that 0.650 mol of methane, CH4(g), is reacted with 0.800 mol of fluorine, F2(g), forming CF4(g) and HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released? Substance & Enthalpy of Form. (kJ/mol)
asked by Jenny 
algebra
in need of help..;(.my question is find the vertex..y=x(x+7)
asked by mel 
Essay Added a bit more
Im doing an essay and this is the format for it. Intro of 5 or more sentences, where you introduce your thesis statement (that which you will be writing about  in the form of a statement, or point of view) Two or three paragraphs, of about 810 sentences
asked by Sara 
math
Dana buys a piece of carpet that measures 20 square yards. Will she be able to completely cover a rectangular floor that measures 12 ft 6 in. by 16 ft 6 in.?
asked by Tristan 
math could anyone help me plz?:[
you have a $5841 credit card debt, and you plan to pay it off through monthly payments of $71. if you are being charged 14% interest per year, how long will it take you to repay your debt?
asked by ash 
math
In the following figure, AF is the perpendicularbisector of BD, AD = 15, and DF = 13. Find AB + BF
asked by BreAnna 
algebra 2
Guy wire. How long is a guy wire reaching from the top of a 24ft pole to a point on the ground 16 ft from the pole? Thank you.
asked by esther 
math
Calculate the volume of the cone with a = 18 and b = 11. Round answer to the nearest tenth. Use 3.14 for pi
asked by BreAnna 
math
Which kind of graph will not let you calculate the range? Is it a bar graph, line graph, circle graph, or a pictograph?
asked by Kevin Clary 
physics
the force that charge qA exerts on charge qB is ___ the force that charge qB exerts on charge qA. opposite and equal to opposite and greater than opposite and less than the same as
asked by anonymous 
Chemistry
Calculate the concentration of H3O+ that contains 5.5 x 10 ^5 moles/L OH at 25 degrees
asked by Natalie 
physics
if a negatively charged rod is brought near a negatively charged electroscope, there will be no effect the leaves will fall the leaves will spread farther apart the electroscopw will become positively charge
asked by kriti 
Chemistry
determine the redox reaction represented by the following cell notation Mg Mg2 Cu2 Cu
asked by Natalie 
Reading Comp.
The modern hearing aid is, essentially, a miniature publicaddress system, which converts sound into electrical energy and then converts it back to sound again. A hearing aid can increase the sound level by sixty decibels or more, but it also distorts the
asked by Arlynn 
algebra 2
Guy wire. How long is a guy wire reaching from the top of a 21ft pole to a point on the ground 14 ft from the pole? Thank you.
asked by esther 
Physics
An inexperienced catcher catches a 128 km/h fastball of mass 134 g within 1.01 ms, whereas an experienced catcher slightly retracts his hand during the catch, extending the stopping time to 10.1 ms. What is the average force imparted to the two gloved
asked by Mallory 
Physics
A tennis ball of mass 0.0609 kg is served. It strikes the ground with a velocity of 52.5 m/s (117 mi/h) at an angle of 22.0° below the horizontal. Just after the bounce it is moving at 50.5 m/s at an angle of 17.7° above the horizontal. If the
asked by Rob 
Reading Comp.
A blanket of thick fog covered the area Visibility there was almost zero How are the two related? a. The two sentences establish a comparison b. The second sentence contradicts the first c. The first sentence explains the meaning of visibility d. The
asked by Arlynn 
Chemistry
What is undergoing oxidation in the redox reaction represented by Fe Fe3+ Cl2 Cl Pt
asked by Natalie 
Physics
Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problemsolving tool than a sensemaking tool. ii. It really depends on the formula.
asked by Tammy 
Physics
According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by the other. Give a commonsense, nonmathematical explanation of the connection between Newton’s 3rd law and momentum
asked by Tammy 
306090
The shorter leg of a 306090 triangle is 5.4 feet long. Find the perimeter
asked by Ehrine 
Reading Comp.
When we have too much work to do we become very anxious It is vital to set priorities and work on the most important things first. What does the second sentence do? a. It gives an example b. It makes a contrast c. It proposes a solution* d. It states an
asked by Arlynn 
geometry
You are planning to use a ceramic tile design in your new bathroom. The tiles are blue and white equilateral triangles. You decide to arrange the blue tiles in a hexagonal shape as shown below. If the side of each tile measures 10 cm, what will be the
asked by Ehrine 
chemistry
1. the solubility of AgCl in water is 3.97x10^6 at 0*C and 1.91X10^4 at 100*C. calculate Ksp for AgCl at each temp. 2. using the data from #1 and the clausius Clapeyron equation, calculate deltaH* and deltaS* for the formation of a saturated solution of
asked by anonymous 
physics
A 68.0 kg person throws a 0.0450 kg snowball forward with a ground speed of 27.0 m/s. A second person, with a mass of 58.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.50 m/s, and the
asked by Alexandria 
physics
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.15 m/s on a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 38.0 m/s and passes through the target, which is stopped by the impact. What is
asked by Alexandria 
Math
Find the standard deviation for the given data. Round your answer to one or more decimal places than the original data. 3){15,13,31,42,58,78} A)534.3 B)23.1 C)36.5 D)39.5
asked by anonymous 
To Ms. Sue
Ms. Sue could you please read my essay and tell me if it's good? I don't have time to rewrite it, would just like to know your opinion about it.
asked by Sara 
physics
charging by induction creates charge by transferring charges from one object to another OR separates charges within an object
asked by Sejul 
aims math<<<<need some one to check my answer
okay this problem is simple... well my answer im unsure the answers i get arent an option. the problem is: 373[5+4(37)]
asked by angiie 
physics
while many properties are similar, one important difference between electric and gravitational forces is that unlike gravity, electric charge: a)can be transferred b) objeys an inversesquare law
asked by Nabil 
math
what should you call a man with a clamp
asked by lala 
please help me or take a look
373[5+4(37)] this problem is getting me frustrated because the answer come up with is not an option. i come up with 1224. 145,70,28,and 4
asked by angiie 
physics
all electric charges are multiples of the charge on an electron, or atom?
asked by anonymous 
algebra 2
Darla is building a new desk. To make sure she had made a square corner, she measures 4ft. from the corner along one edge and 6ft. from the corner along the other edge. How long (in feet) should the diagonal be between those two points if the corner is a
asked by Esther 
math
In 1000 samples, assuming that the null hypothesis is true, how many times would you expect to commit Type I error if alpha=.05?
asked by maria 
math
Ruth sells cars. She receives a commission of 12% on sales up to $35,000 and a commission of %24 on sales over $35,000. What is Ruth's commission if she sold a car for $50,000?
asked by coco