Questions Asked on
January 23, 2012

Physics
Four point charges are located at the corners of a square with sides of length a . Two of the charges are +q, and two are q. Find the magnitude of the net electric force exerted on a charge +Q, located at the center of the square, for the following
asked by Cooper 
chemistry
the recommended daily allowance of calcium is 1.2 g. calcium carbonate contains 12.0 % calcium by mass. how many grams of calcium carbonate are needed to provide the rda of calcium
asked by Anonymous 
math
A couple intends to have four children. Assume that having a boy and girl is equally likely event. a) List sample space b) Find the probability that couple has two boys and two girls; c) Find the probability that couple has at least one boy
asked by juan777 
Physics
A hummingbird has a mass of about 1.7 g. Suppose a hummingbird does 0.15 J of work against gravity, so that it ascends straight up with a net acceleration of 1.2 m/s (squared). How far up does it move?
asked by Autumn 
chemistry
Some liquids have enough attractions between molecules to form dimers. (Dimers are molecules formed from the combination of identical molecules, A + A > A2.) What effect would this have on the experimental molar mass? This was a molar mass lab. Alcohol
asked by question 
math
You spend $685 a month on living expenses. If your monthly income is $1500, what percent of your income do you spend on living expenses?
asked by help 
English. Punctuation and Mechanics
Identify the sentence with the correct punctuation. a) Do you have everything  such as extra clothes; for your trip? b) Do you have everything: such as extra clothes, for your trip? c) Do you have everything  such as extra clothes, for your trip? d) Do
asked by Michelle 
Chem  Titration
A 100.0mL aliquot of 0.100 M diprotic acid H2A (pK1 = 4.00, pK2 = 8.00) was titrated with 1.00 m NaOH. Find the pH at the following volumes of base added and make a graph of pH versus Vb: Vb = 0, 1, 5, 9, 10, 11, 15, 19, 20, and 22 mL
asked by Meg 
math
Let C = 2.32 N + 34180 represent the cost (C) of raising a child to 18 years of age, on an income (N). If the cost is $120,000, what is the income?(
asked by help 
maths
a car travels 1 km in which each wheel makes 450 revolutions. Find the radius of its wheel
asked by avanthika 
algebra
a building in a city has a rectangular base. the lenght of the base measures 70 ft less than twice the width. the perimeter of this base is 820 ft.
asked by jojo 
math
Una makes $64 a week, plus 15 percent of the cost of meals that she serves. Use the equation, y = 0.15x + 64, to predict what she makes in a week when she serves $355 worth of meals
asked by help 
Titration
Consider the titration of 100.0 mL of 0.100 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va = 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL.
asked by Sandy 
Math
prove that sinA/(1+cosA) + (1+cosA)/(sinA) = 2cosecA
asked by Amir 
Geometry
Find the area of a regular pentagon with a side of 6ft. Give the answer to the nearest tenth. 123.9ft2 49.5ft2 61.9ft2 12.4ft2
asked by Ash 
physics
Q8: Two sinusoidal waves with the same amplitude of 9.00 mm and the same wavelength travel together along a string that is stretched along an x axis. Their resultant wave is shown twice in fig., as valley A travels in the negative direction of the x axis
asked by raju 
Chemistry
Knowing that delta Hvap for water is 40.7 kJ/mol, calculate Pvap of water at 46 C
asked by Help 
Chemistry
The vapor pressure, P, of a certain liquid was measured at two temperatures, T. Represented in a table: T (in Kelvin)  P(in kPa) [325]  [4.00] [775]  [8.59] What is the enthalpy of vaporization for this liquid? (Delta H
asked by Eric 
math
Chicago, Illinois has a longitude of 88 degrees West and a latitude of 42 degrees North. Indianapolis, Indiana is located at 86 degrees West and 40 degrees North. At this longitude/latitude, each degree is about 53 miles. What is the distance between
asked by Sammi 
Chemistry
You have a chemical sealed in a glass container filled with air. The glass container has a mass of 200.0 grams and the chemical has a mass of 850 grams. The total mass of the setup is 1050 grams. The chemical is ignited by means of a magnifying glass
asked by Staci 
English ~ Clauses
Hey guys! I was hoping that someone could look over my answers & help me out with the ones I didn't get? Thanks :) Directions: Identify the subordinate clause. Tell whether it is a noun, adj, or adv. clause. Indicate whether it's introduced by a relative
asked by Ashley 
Chemistry
Give the formula of each of the following copper minerals: A. cuprite, copper (I) oxide B. chalcocite, copper (I) sulfide C. covellite, copper (II) sulfide
asked by Tiffany 
math
Bart had an income of $38,250 last year. If the inflation rate is 4.5%, what is his purchasing power?
asked by help 
geometry
If BE bisects measure ABD and measure EBD equals 32 find measure ABD
asked by Anonymous 
Physics
An object with a charge of 4.4 uC and a mass of 1.4×10^−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight. Find the magnitude of the electric field. Find the direction of the electric field. If
asked by Cooper 
Math
Lines A and B are perpendicular and have the same xintercept. The equation of line A is x+2y4=0. Determine the yintercept of line B.
asked by Alana 
Geometry
Find the surface area of a sphere with a circumference of 40 ft. Round to the nearest tenth.
asked by Ash 
geometry
if line BE bisects m
asked by yomamma 
Geometry
The measures of 6 of the interior angles of a heptagon are: 120°, 150°, 135°, 170°, 90°, and 125°. What is the measure of the largest exterior angle? 90° 80° 75° 85°
asked by dana 
grade 8 math
how many different ways can eight cars finish in a race 1st, 2nd, 3rd ?
asked by theresa 
Chemistry :/
A 10.231g sample of window cleaner containing ammonia was diluted with 39.466 mL of 0.1063 M HCl to reach the bromocresol green end point. Find the weight percent of NH3 (FM 17.031) in the cleaner.
asked by Tanya 
Math
An animal shelter have 1008 cats, dogs, and rabbits. The ratio of the number of dogs to the number of cats in the animal shelter is 3:7. The ratio of the number of rabbits to the number of dogs is 2:5. How many rabbits are there in the shelter?
asked by Calista 
Chemistry
What is the empirical formula for a compound which contains 67.1 percent zinc and the rest is oxygen
asked by Wendy 
American Lit
Let a man know his worth, and keep things under his feet. Let him not peep or steal. Or skulk up and down with the air of a charityboy, or an interloper, in the world which exists for him. What does this passage mean?
asked by Bobbii 
Physics
Mike pulls a 4.5 kg sled across level snow with a force of 250 N along a rope that is 35.0° above the horizontal. If the sled moves a distance of 63.8 m, how much work does Mike do?
asked by Mac 
chemistry
do the arithmetic and give the answer to the correct number of significant figures. (1.5 x 10^4 x 61.3) + 2.01 =
asked by Anonymous 
Higher Chem
A 0.5537g sample containing oxalic acid required 21.62 mL of 0.09377 M NaOH for titration. If the reaction is H2C2O4 + 2NaOH Na2C2O4 + 2H2O, calculate the % H2C2O4 in the sample.
asked by Polly 
math
Quadrilateral KLMN has vertices K(2,2), L(1,1), M(0,4), and N(3,5). It is first translated by (x + 2,y  1) and then translated by (x  3,y + 4). When a figure is translated twice, a double prime symbol is used. Find the coordinates of K" L" M" N" after
asked by Anonymous 
Science
Which of the following is a way to improve the efficiency of a heat engine? increase Qh reduce Qh reduce Wnet increase Qc A What are the energies associated with atomic motion called? kinetic energy potential energy bond energy internal energy D A 0.10 kg
asked by Lena 
chemistry
A certain substance has a heat vaporization of 47.97 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.50 times higher than it was at 297K? Please help me! I don't understand heat vaporization questions
asked by Angela 
World History
1. The Cossacks were a nomadic people who a. led the Russian expansion overseas b. led the Russian expansion eastward towards Siberia c. led the Russian political expansion south and west d. led the Russian expansion to the new world B? 2. the conflict
asked by mysterychicken 
English
Identify the sentence that uses apostrophes correctly. a) Suzannes car needs’ a new muffler. b) Suzanne's car needs a new muffler. c) Suzanne’ car needs a new muffler. d) Suzannes’ car needs a new muffler.
asked by Michelle 
stats
A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally distributed, what percentage of sample means are
asked by dan 
Acidbase titration
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at the following volumes of base added and make a graph of pH versus Vb: Vb = 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL.
asked by Patrick 
spanish
please unscramble licbohe, sequi, lanesbocto, taaconni, taquenioic, anitpaje, nigmisaa, ufblot marocneai
asked by destini 
Economics
21. The EU is an example of a trading bloc, or _______, that has a common external tariff and no internal tariffs, and that coordinates laws to facilitate trade between member countries. A. strategic alliance B. joint venture C. common market D.
asked by Heather 
Geometry
The point A (3, 4) is reflected over the line x = 2, and then is reflected over the line x = 4. What are the coordinates of A'? (1, 2) (9, 4) (9, 4) (1, 4)
asked by dana 
physics
Calculate the total force of the atmosphere acting on the top of a table that measures 1.9 m by 2.3 m.
asked by B 
Geometry
Find the surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 20 meters. Round the answer to the nearest square meter. 3,028m2 3,971m2 1,357m2 1,671m2
asked by Ash 
physics
A small mailbag is released from a helicopter that is descending steadily at 3.00 m/s. (a) After 2.00 s, what is the speed of the mailbag? v = m/s (b) How far is it below the helicopter? d = m (c) What are your answers to parts (a) and (b) if the
asked by seanso 
Physics
Two charges, 15 and +4.5 µC, are fixed in place and separated by 2.8 m. At what spot along a line through the charges is the net electric field zero? What would be the force on a charge of +1 µC placed at this spot?
asked by Anne 
operations management
Trucks are required to pass through a weighting station so. ... a weighting station so that they can be checked for weight violations. Trucks arrive at the station at the rate of 40 an hour between 7:00 p.m. and ... How many trucks would you expect to see
asked by Anonymous 
Physics
At a picnic, there is a contest in which hoses are used to shoot water at a beach ball from three different directions. As a result, three forces act on the ball, F1, F2, and F3. The magnitudes of F1 and F2 are F1= 50.0 N and F2 = 90.0 N. F1 acts under an
asked by Amy 
chemistry
how many significant figures does the sum of 8.520 the 2.7 contain?
asked by Anonymous 
Math
it costs $175 to rent a jet ski for 2 hours. it costs $300 to rent a jet ski for 4 hours. write an equation that represents y (in dollars) of renting a jet ski for x hours.
asked by Danny 
statistics
Heights of young adult U.S. women are approximately normal with mean 64" and standard deviation 2.7". What proportion of all U.S. young adult women are taller than 6 feet?
asked by Ashley 
Titration Graph?
Use a spreadsheet to prepare a family of graphs for the titration of 50.0 mL of 0.020 M H2A with 0.100 M NaOH. Consider the following cases: (a) pK1 = 4.00, pK2 = 8.00; (b) pK1 = 4.00, pK2 = 6.00; (c) pK1 = 4.00, pK2 = 5.00.
asked by Kevin 
physics please help!!
A charge, Q2 = 9.00x106 C, is 12.00 cm to the right of charge Q1 = 10.00x106 C. Where can a third charge be placed, along the line connecting Q1 and Q2, such that it experiences no net force? Give distances relative to Q1 and use a plus sign if the
asked by archi 
Chemistry
A compound decomposed by first order rxn. The concentration of compound decreases from .1180 M to .0950 M in 5.2 min. What fraction of the compound remains after 6.7 minutes?I'm thinking I set up a proportion maybe. Any ideas how to tackle this problem?
asked by Declan 
Physics
A stone whirled at the end of a rope 30 cm long, make 10 complete revolutions in 2 seconds. Find (i)the angular velocity in radians per seconds (ii)the linear speed (iii)the distance covered in 5 seconds.
asked by Kecy 
ChemB
The activity of carbon 14 in living tissue is 15.3 disintegrations per minute per gram of carbon. The limit for reliable determination of age is based on carbon 14 is .10 disintegration per min per gram of carbon. Calculate the max age of a sample that can
asked by L.Bianchessi 
Physics
The electric field at the point x=5.00 cm and y=0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x=10.0 cm and the electric field points in the positive x direction with a magnitude of 16.0 N/C . Assume this electric field is
asked by Cooper 
Math
Use the cofunction identities to write an expression that is equivalent to each of the following expression. a) sin(pi/6) sin=cos(pi/2  pi/6) What do I do next?
asked by Antia 
Grade 10 Math
how many integer values are there for K for which 4X squared plus KXY minus 9Y squared is factorable
asked by Anonymous 
Math
A line intersects the graph of y=x^2 twice. One point has an xcoordinate of 4, and the other point has an x coordinate of 2. A. Find the equation of the line. B. Find the measure of the angle that the line makes with the xaxis.
asked by Anonymous 
Psychology
Can someone please explain the exotic becomes erotic theory by daryl bem, i have read it but i cant understand what its really saying thank you
asked by Jess 
Geometry
The point A (3, 4) is reflected over the line x = 2, and then is reflected over the line x = 4. What are the coordinates of A'? (1, 2) (9, 4) (9, 4) (1, 4)
asked by dana 
math
If your annual income from a parttime job is $4523, and the inflation rate is 6 percent, what is the purchasing power of your income?
asked by help 
Physics
Find the electrical potential energy (EPE) of three point charges placed as follows on the xaxis: +2.0 μC at x = 0, +3.0 μC at x = 20 cm, and +6.0 μC at x = 50 cm. Take the (EPE) to be zero when the charges are far separated.
asked by rad 
Brief Calculus
Calculate the average rate of change of the given function over the given interval. Where appropriate, specify the units of measurement. f(x) = 1/x;[2, 7] I used the f(b)f(a)/ba and I got .071 and it said I was wrong could you please help me find my
asked by Jazmin (please help) 
chemistry
Calculate the value of DHo for the reaction 2 CH4 (g) > C2H6 (g) + H2 (g) given the following thermochemical equations: C2H2 (g) + H2 (g) > C2H4 (g) delta = – 175.1 kJ C2H6 (g) > C2H4 (g) + H2 (g) Delta = + 136.4 kJ C2H2 (g) + 3 H2 (g) > 2 CH4 (g)
asked by timmy 
statistics
A researcher wishes to estimate the mean height of women aged between 60 and 65 in the US. She desires a margin of error of 0.2 inches. Past studies suggest that a population standard deviation deviation of 3.2 inches is reasonable. Estimate the minimum
asked by dan 
physics help
help me with this question 2. A hydrogen electron drops from the n=4 level to the n=1 level. A. What is the energy of an emitted photon? B. Calculate the frequency of the photon. C. Calculate the wavelength of the photon.
asked by carey 
physics
An airplane is flying horizontally at 115 m/s, at a 20.5 degree angle north of east. State its velocity in rectangular coordinates. Assume that north and east are in the positive direction.
asked by chris 
Science
Do P waves travel faster through gas, liquids, or solids?? I couldn't find the answer in my book OR the internet. Some smart person, please search your brain and help me out!! Thanks :)
asked by Abbie 
Physics
Two point charges are fixed on the y axis: a negative point charge q1 = 26 µC at y1 = +0.21 m and a positive point charge q2 at y2 = +0.38 m. A third point charge q = +8.5 µC is fixed at the origin. The net electrostatic force exerted on the charge q by
asked by Anne 
chemistry
How many milliliters of 16.0 M HNO3 stock solution wouuld be required to prepare 100.0mL of 3.00 M HNO3? Use the formula M1V1=M2V2
asked by missy 
physics
A car is driven 30km west and then 80 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
asked by Anonymous 
physics
Two point charges, the first with a charge of +3.19×10^−6 C and the second with a charge of 4.32×10^−6 C , are separated by 28.0 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force
asked by Cooper 
math
A six sided die is rolled three times. List possible outcomes and find the probability of rolling exactly one 6.
asked by juan777 
chemistry
CxHyCz compound weighs 132 amu, what is the molecular formula?
asked by christina 
Probabilty & Statistic
A random sample is selected from a normal population with a mean of __40 and a standard deviation of __10. After a treatment is administered to the individuals in the sample, the sample mean is found to be M _ 42. a. How large a sample is necessary for
asked by Sharon 
PHYSICS
Scientists call a theory that unites many ideas in a simple way "beautiful." Are unity and simplicity among the criteria of beauty outside of science? Support your answer
asked by Anonymous 
physics
A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of
asked by chx 
Literacy
In global trade, when the difference between money coming into a country from exports and money leaving a country due to imports or money flows from other factors is known as the A. balance of payments. C. balance of trade. B. trade offset. D. trade
asked by Heather 
PreAlgrebra
x/68=10
asked by Samantha 
Amount paid  keep getting conficting answers
When Melissa went to purchase a purse from a street vendor, she negotiated a purchase price that was 5% less than the $170.00 marked price, plus 8% sales tax on the purchase price. If she has $475.00 in her checking account, how much did she pay for the
asked by Algebra88 
math
A student is awake k hours each day and spend k/5 hours each day doing homework. In terms of k, how many days will it take the student to complete homework assignments that require a total of 20 hours?
asked by Fabian 
accounting
P42A Gil Vogel started his own consulting firm, Vogel Consulting, on June 1, 2012. The trial balance at June 30 is as follows. VOGEL CONSULTING Trial Balance June 30, 2012 Debit Credit Cash $ 6,850 Accounts Receivable 7,000 Prepaid Insurance 2,880
asked by kathy 
chemistry
A piece of metal with a mass of 5.50 grams changed in temperature from 25.0 to 55.0C when 21.3 joules was absorbed. The specific heat of the metal is a. 0.256 b. 0.129 c. 3.91 d. 7.75 e. 0.710J g1 oC1 desperately need help!
asked by Jenna 
Math
The center of a circle is A(3,3) an B(1,6) is in the circle. Find the area of the circle in terms of pi. a^2 + b^2 = c^2 radius is 5 and 25pi
asked by J.R. 
electric force/field
Three point charges, A = 2.2 µC, B = 7.5 µC, and C = 3.9 µC, are located at the corners of an equilateral triangle . Find the magnitude and direction of the electric field at the position of the 2.2 µC charge. magnitude = . N/C direction =
asked by physics 
Chemistry
How many grams of butane must be burned to provide the heat needed to melt a 85.0g piece of ice (at its melting point) and bring the resulting water to a boil (with no vapourization)? Assume a constant pressure of 1 bar and use the following data:
asked by David 
Biology
I just want to know if my answers are right for this folowing: 1. The nose is MEDIAL to the ears. 2. The elbow is DISTAL to the shoulder and PROXIMAL to the wrist. 3. The heart is ANTERIOR to the spine. 4. The stomach is DEEP to the ribs. 5. The pinky
asked by Jerome 
geometry
In parallelogram ABCD, BC = 8, DC = 12, and measure of angle D is 50 degrees. Find the area of the parallelogram to the nearest tenth.
asked by josh 
6th grade math
Find the value fir each expression. Show your work. (13.28  7.8) divided by 4. I have the answer in the back of my book and when I try to work the problem out I keep getting the wrong answer. The answer is supposed to be 1.345 I can get the 1.34 but I get
asked by Mad(: 
English
Write a sentence about what the future holds using 1 subject pronoun 2 adjectives 1 proper noun
asked by Paige 
MATH
THE LINE Y=X+4 INTERSECTS THE CURVE 2X^2 + 3XY  Y^2 + 1 = 0
asked by Amir 
Economics
6. The idea that countries should produce and sell goods that they produce most effectively and efficiently, and buy goods that other countries produce most effectively and efficiently, is known as A. absolute advantage theory. C. efficiency balanced
asked by Heather 
Physics
A golfer, putting on a green requires three strokes to “hole the ball.” During the first putt, the ball roles 5.0m due east. For the second putt, the ball travels 2.1m at an angle of 20 degrees north of east. The third putt is 0.50m due north. What
asked by Amy 
physics
A meteor streaking through the night sky is located with radar. At point A its coordinates are (5.20km,1.20km), and 1.16s later its has moved to point B with coordinates (6.08km, 0.900km ). a) find the x comonent of it average velocity between A and B.
asked by Amy 
math (stats)
A biology professor gives a surprise quiz consist of a true/false question followed by a multiple choice question with four possible answers. If both questions are answered with random guesses, find the probability that both responses are correct. Please
asked by juan777 
Physics
Mike pulls a 4.5 kg sled across level snow with a force of 250 N along a rope that is 35.0° above the horizontal. If the sled moves a distance of 63.8 m, how much work does Mike do? please show steps/equation!
asked by Zach G 
Geometry
Triangles ABC and DEF are congruent. The length of the line segment AB is 5 yards, the length of the line segment BC is 7 yards, and the length of the line segment CA is 9 yards.
asked by dawn 
business
which of the following is an example of business communication 2.0 in action
asked by Anonymous 
Physics
A uniform electric field of magnitude 2.70×10^4 N/C makes an angle of 37 degrees with a plane surface of area 1.60×10^−2 m^2 . What is the electric flux through this surface?
asked by Cooper 
Science
Dingtu can lift a weight of 60 kg on the earth. How much will he be able to lift when on moon? A. 60 Kg B. 10 Kg C. 360 Kg D. 120 Kg
asked by Abhinav Chandran 
thermodynamics
A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of
asked by chx 
math
3+siny = 3cos^2 y for 0
asked by Amir 
chemistry
Which of the following equations represents a reaction for which the delta H can be called a standard enthalpy of formation, delta Hf? a) FeO(s) + CO2(g) > FeCO3(s) b) 1/2 N2(g) + 2 O(g) > NO2(g) c) 2 Na(s) + Cl2(g) > 2 NaCl(s) d) Ba(s) + N2(g) + 3
asked by timmy 
chemistry
For the reaction Al (s) + 3 HCl (aq) > AlCl3 (s) + ₃/₂ H2 (g), it was observed that when 4.00 g of aluminum reacted with excess HCl, exactly 30.0 kJ of heat were released. The delta H for this reaction is a) – 91.3 kJ b) – 120 kJ c) – 202 kJ d)
asked by Walter 
College algebra
Annual profit in thousands of dollars is given by the function, P(x) = 200√ x  3 + 10,000, where x is the number of items sold in thousands, x ≥ 3. describe the meaning of the number 3 in the formula describe the meaning of the number 10,000 in the
asked by Michael 
GPA help
if i had a 1.875 and i get a C to go up to a B what is my GPA? will it be a 2.0? i need help i want to play baseball.
asked by Darren 
chemistry
For the reaction Al (s) + 3 HCl (aq) > AlCl3 (s) + ₃/₂ H2 (g), it was observed that when 4.00 g of aluminum reacted with excess HCl, exactly 30.0 kJ of heat were released. The delta H for this reaction is a) – 91.3 kJ b) – 120 kJ c) – 202 kJ d)
asked by Walter 
Chemistry
A certain microwave oven delivers 633 watts (J/s) of power to a coffee cup containing 53.1 g of water at 25°C. If the wavelength of microwaves in the oven is 9.75 cm, how long does it take, and how many photons must be absorbed, to make the water boil?
asked by Sarah 
physics
A ball is thrown vertically upward with a speed of +10.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is its
asked by seanso 
physics
A uniform electric field ofmagnitude 384 V/m is directed in the positive xdirection. Suppose a 16 ìC charge moves from the origin to point A at the coordinates, (20 cm, 60 cm). What is the absolute value of the change in potential from the origin to
asked by robert 
Geometry
The measures of 6 of the interior angles of a heptagon are: 120°, 150°, 135°, 170°, 90°, and 125°. What is the measure of the largest exterior angle? 90° 80° 75° 85°
asked by dana 
spell
Which of the following is NOT something to check during a thorough revision? Style and tone Organization Punctuation and spelling Content and clarity
asked by Anonymous 
MATH
If you do not consider air resistance, gravity causes a falling object to descend a distance of (9.8)t2 where t is the time in seconds. If a 16 pound bowling ball is dropped from the tallest building in the world, how many meters does it fall during the
asked by HELP ME IN MATH 
chemistry
For the reaction Al (s) + 3 HCl (aq) à AlCl3 (s) + ₃/₂ H2 (g), it was observed that when 4.00 g of aluminum reacted with excess HCl, exactly 30.0 kJ of heat were released. The DHo for this reaction is a) – 91.3 kJ b) – 120 kJ c) – 202 kJ d) –
asked by Kumar 
Math
Lindsay paid $4.40 for a gallon of ice cream.How much would a quart cost?How much would a pint cost?
asked by Saul 
Business Math
Using the FIFO method of inventory pricing, what is the dollar value of ending inventory if there were 300 units on hand on December 31? Annual inventory of windshield wipers January 1 Beginning inventory 300 units@11.00 March 15 Purchase 150 units@10.50
asked by Terry 
PHYSICS
Please help and let me know if I did something wrong. If a cart is released from rest at a 10 meter incline and takes 28 seconds to travel down this incline. 1. Calculate the average speed of the cart? I wrote s=ad/at=10m/28 sec = 357 m/s 2. calculate the
asked by GRISSELL 
English
I don't get transitive verbs. In the sentence "Some reach a height of 120 feet," I was told it was transitive. But why? I'm unsure what the direct object is.
asked by Jazmine 
MATH
I have no idea on how to get started. If you do not consider air resistance, gravity causes a falling object to descend a distance of (9.8)t2 where t is the time in seconds. If a 16 pound bowling ball is dropped from the tallest building in the world, how
asked by Challenge Problem Math Help Please 
Calculus II
Find the volume of the solid generated by revolving the triangular region with vertices (1,1), (b,1), and (1,h) about: a) the xaxis b) the yaxis
asked by Morgan 
trig
How do you decide if csc=74 is greater than or less than cos=74 without using a calculator?
asked by Lisa 
computer
You will need to design an application that will prompt a user for his or her hourly pay rate, hours worked, and whether he or she is single, married, divorced, or widowed. It will then calculate the user's gross and net pay. If the user works more than 40
asked by f pass 
chemistry
An insulated beaker contains 250.0 grams of water at 25oC. Exactly 41.6 g of a metal at 100.0oC was dropped in the beaker. The final temperature of the water was 26.4oC. Assuming that no heat is lost in any other way, calculate the specific heat of the
asked by utna 
physics
Rachel is asked to calculate the density of a liquid. She correctly measures the mass of the liquid to be 13.9 grams, but she incorrectly measures the volume of the liquid to be 8 mL. The actual volume of the liquid is 7 mL. If Rachel uses the following
asked by Anonymous 
health
To protect itself from stress, the nervous system triggers the release of hormones such as adrenaline. A.True B. False I think it is A true
asked by anonymous 
math
Suppose you are looking for a job. You interview with a company that has 10 general employees each make $100 per day, 7 assistants each make $400 per day, 3 managers each make $900 per day, and the owner who makes $1900 per day. The interviewer tells you
asked by Anonymous 
Business
Pick two similar small businesses in the same industry with which you are familiar, one successful and one not so successful. Describe them in a post, and compare and contrast these businesses. What is the difference in management style between the two
asked by Demetria 
physical science
What is the pH of a 0.01 M solution of the strong acid HNO3 in water?
asked by breiann 
World History
2. the conflict that was fought between supporters of the King and supporters of Parliament was called the a. Thirty Years' War b. War of the Roses c. Parliamentary Revolution d. English Civil War D? 6. One of the ways the Manchus tried to distinguish
asked by mysterychicken 
math
suppose you had $1.76 in dimes and pennies. What is the fewest number of coins you could have? What coins are they?
asked by sunny 
Math
Kelly is 66 inches tall. How tall is she in feet and inches? For feet I got 5.6
asked by Jaycee 
algebra
What could you do to the equation 4xy equal 32 to keep the sides equal
asked by keenan 
physics
I need help with this problem so please help me. 1. A certain photoelectric surface has a threshold frequency of 6.2*10^14 Hz. A. How much kinetic energy is required to produce an electron emission? B. if the surface is illuminated with light that has a
asked by Jessie 
Mileage/graph
I tried this and needed to graph. But, I want to find out what I did incorrect. Suppose that a car rental agency gave you the following choices. Option A: $30 per day plus 40 cents per mile. Option B: flat $50 per day (a) Write equations for cost per day c
asked by Algebra88 
precalc HELP PLEASE
for all values of theta where 0degrees
asked by valeria 
opinion
what is the best invention to YOU???? what is your favorite invention that you use the most???
asked by 12yearoldpoet 
algebra
how do you Write a pointslope equation for the line with the given slope that contains the given point. with m=3;(2,5)
asked by joanna 
English
write a sentence about what the future holds using 1 abstract noun 1 subordinate clause. and then another sentence same topic using 1concrete noun 1 adjectives 1 prepositional phrase 1 personal pronoun and 1 interjection.
asked by Paige 
World History
Need help with these: 28. Led a group of women who wrote a declaration of rights for women that was rejected by the National Assembly  Can't figure out who this was.. 34. Ruler whose military conquests extended Persia's boundaries? 39. Opened Russia to
asked by mysterychicken 
college internship application
The internship that I am applying for requires a recent writing sample to be sent along with my application but the sample I want to use doesen't exactly scream professional. I recently did a persuasive essay that I am really proud of on the existance of
asked by Harley 
Math
How many km in 5928m? 1km=1000m 5km=5000m How do I get to 5928? Do I divide 1000 and 5928?
asked by Jaycee 
chemistry
Hgl2(s)=2NaNOg(ag) a combination,decomposition,single replacement or double replacement
asked by michelle 
Psychology
I was assigned a topic nature vs nurture: are children born gay or evolved into,,,,i would appreciate if anyone knows of any book sources that can help me and any secondary source because i don't know where to start thank you in advance
asked by Jess 
Presentation
After completing the Unit 4 Live Presentation, discuss each of the following topics in a 3 – 4 paragraph essay: Discuss at least two specific aspects of delivering the Unit 4 Live Presentation that were easier than you thought they would be. Explain the
asked by Cheryl 
Chemistry
A student mixed 15.0 mL of a solution of 0.0200 M ferric chloride FeCl3, with 25.0 mL of water. Calculate the moles of iron ion, Fe +3 in the resulting solution. (I think this is a Dilution problem, but I wasn't really sure how to start it out. Any help
asked by S 
Chemistry
A compound is characterized by the following constants: Heat of fusion = 75 cal/g Heat of vaporization = 20 cal/g The heat of deposition for the same compound is
asked by Anonymous 
biotech college
What is 29 miles per hour in units of m/s? 1 mile is 5280 feet, 1 meter is 3.3 feet, 1 hour is 60 minutes, and 1 minute is 60 seconds.
asked by barrie 
Chemistry
How would i summarize the physical properties of ionic compounds, non polar covalent compounds, polar covalent compounds and covalent solids? (this is one part of the lesson i never understood)
asked by Anonymous 
math
A building is 862 feet tall. Use the function h(t) = 16t2 to approximate how long it would take an object to fall from the top. Round to the nearest tenth. Hint: h is your height.
asked by chelsea 
math
Express 3.042 as a fraction in simplest form
asked by chelsea 
math (statistics)
Suppose you are looking for a job. You interview with a company that has 10 general employees each make $100 per day, 7 assistants each make $400 per day, 3 managers each make $900 per day, and the owner who makes $1900 per day. The interviewer tells you
asked by juan777 
TRIG HELP ASAP
I need help trying to find the major and minor axis on this problem: x^2+3y^26x+24y+6=0
asked by missy 
Calculus II
Find the volume of the solid generated by revolving R about the xaxis where R is the region enclosed by the larger curve y=(e^2x)/3, the smaller curve y=1 and the line x=ln(3)
asked by Morgan 
Science
Suppose you find a fossil imprint of an animal that existed many years ago.How can I make a model to compare that imprint to the foot of an animal living today?
asked by Sierra 
Math
Can you please help me with a math problem Suppose the ball was 3.24 feet above ground when it was hit, and that it reached a maximum height of approximately 102.51 feet when it had traveled a ground distance of approximately 214.26 feet. The ball lands
asked by Armun 
Precalc HELP PLEASE
verify 1sintheta * costheta * tantheta = cos^2theta
asked by valeria 
Literacy
The trend toward twofamily income has led to A. policies allowing only one family member to work for a company. B. flexible work schedules, pregnancy benefits, and eldercare programs. C. businesses paying lower wages and hiring fewer workers. D. fewer
asked by Heather 
Literacy
The idea that countries should produce and sell goods that they produce most effectively and efficiently, and buy goods that other countries produce most effectively and efficiently, is known as A. absolute advantage theory. C. efficiency balanced trade.
asked by Heather 
math
if you know the number of faces on a pyramid you know the number of vertices true or false
asked by niki 
Chemistry
What type of bond is formed when two or more non metals bond with each other? and What type of bond is formed when a metal and non metal bond with each other?
asked by Jesse 
physics science
3. An unknown element produces a spectral line of 425nm. A. Calculate the energy of the emitted photon in joules. B. What is the energy of the emitted photon in electronvolts?
asked by suszan 
Business
Learning economics is like having you own crystal ball. The more you understand it as a social science, the more you understand how our economy and political system works. I say like a crystal ball, because you will be able to see things that other people
asked by Crissy 
Economics
11. Often, the _______ the risk, the _______ the rewards. A. higher; higher C. higher; lower B. lower; higher D. faster; quicker 12. When the government of Indonesia imposes a tax on imported electronics products to help its young electronics industry
asked by Heather 
invention
Who invented the: television automobile phone computer circular saw And when were they invented??
asked by 12yearoldpoet 
8th grade U.S history
1. Compare and contrast the cultures of two native tribes. Tell what you did to communicate the United States' sovereignty in the region to two different tribes. 2. Name two tribes that you think would enter into exclusive fur trade with the United States.
asked by Anonymous 
calculus
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the line x = 6. y = 6 − x y = 0 y = 5 x = 0
asked by ME 
physical science
a soccer player kicks a ball straight up into the air at 6 m/s.ignore air resistance.what is the velocity of the ball at its highest point?
asked by faith 
Algebra
Mona uses 1 1/2 cups less whole wheat flour than white flour. She uses a total of 4 1/2 cups of flour. How much of each type flour does she use?
asked by Anonymous 
Physics
A ball is thrown horizontally from the roof of a building 29.7 m high at 39.6 m/s. (a) What is the vertical velocity of the ball when it lands? (use down as the positive yaxis direction)b) What is the ball’s total velocity (speed and direction) when it
asked by Katie 
thermodynamics
You allow a gas to expand freely from volume V to volume 2V. Later you allow the gas to expand freely from volume 2V to volume 3V. Is the net entropy change for these two expansions greater than, less than, or equal to the entropy change that would occur
asked by chx 
Math
Solve each equation write answer on simplest form 1/4x = 6 2t = 4/7 Can you show me how to do didn't understand on class. Working on solving fraction equation. Multiply and divide
asked by Chance 
English
Sentence number 5 was incomplete. I think I should leave out "in part two". I urgently need you to have a look at these other sentences, too 1) I hope you can help me find a Scottish school which is interested in a partnership with our school. 2) In the
asked by Henry2 
Calculus
Using Descartes' Rule of Signs, solve: f(x)=x^3+x^2x+1.
asked by Anonymous 
geometry
The legs of a right triangle measure 3x 8. A cube has edge lengths and 15. If the hypotenuse measures of 6 inches. What is the 3x+3, what is the value of x?
asked by stacy 
geometry
If line segment A is parallel to line segment B and m
asked by kate 
Chemistry
What happens to the valence electrons in metallic bonds?
asked by Anonymous 
physics
1. You allow a gas to expand freely from volume V to volume 2V. Later you allow the gas to expand freely from volume 2V to volume 3V. Is the net entropy change for these two expansions greater than, less than, or equal to the entropy change that would
asked by chx 
Math
How many feet are in 10 inches? I know 1foot=12inches but I don't know how to find out how many feet are in 10inches
asked by Jaycee 
college algebra
find the real solutions, if any. use the quadratic formula 2/3x^2  x 3=0
asked by kathy 
Math
My son is grade 4 his homework have question is : when you multiply any number by 1,what is the product ? Please help !!!!
asked by Peter 
Math
How many miles in 1760feet? Is it 1/3?
asked by Jaycee 
math
What is a distribution? Please help, thank you.
asked by saranghae12 
Precalc please
Verify: 1/(1sintheta) * 1/(1+sintheta) = sec^2theta
asked by Dhehta 
math
How about for this question? 76in=__ft__in 6ft 4 in?
asked by Jaycee 
physics
A sniper is in training. He discovers the target is at 1000 meters right north to where he ambushes. According to his measurement, it's a moving at a uniform speed of 20 meter/second towards east. What is the position of the target after 2 seconds?
asked by Marley 
health
compare and contrast methods of coping with stress.
asked by casandra 
math
What coulld you do to the equation 4xy equal to keep the sides equal
asked by keenan 
Chemistry
What are three biological molecules that have carbon backbone??? (molecules that are found in the human body)
asked by Anonymous 
Law
Demand letters are a type of __________ letter. (Points: 5) informative advisory confirmation cover is it D
asked by Andy 
physics
Identify correct unit of a measurement. Distinguish Between mass and volume
asked by keria 
English
if i had a 1.875 and i get a C to go up to a B what is my GPA?
asked by Darren 
social studies
i need to find the origina and meaning of latin american countries: costa rica ecuador jamaica can you help me with this or help with a website for this?
asked by marko 
History
Who was the only President to kill another man in a duel?
asked by Mikka 
chemistry
The physician has prescribed a medication of 3.5 mg/kg of body weight. If you give 297 mg of medication what is body weight of patient in kg? Is there a converstion formula?
asked by Sara 
Chemistry
Hi I need help with a problem The accuracy of what measurement must be increased in order to increase the accuracy for the specific heat? Thank You!
asked by Fred 
advanced math
Can you please tell me if 14=(p8) is 6= p .....
asked by Kate 
math
suppose you have 43 coins, all dimes and pennies that totals $2.68. How many of each coins do you have?
asked by sunny 
earth
Two rockets are orbiting the earth, traveling in perfect circles with equal radii. The velocity of rocket A is twice that of rocket B. What can be said about their respective centripetal accelerations?
asked by Anonymous 
Math
solve 4 sin x = cos x for 0
asked by Amir 
Chemistry
How do electrons interact in non polar covalent bonds, polar covalent bonds, and ionic bonds?
asked by Anonymous 
matj
prove that (cotx+tanx)(cotxtanx) = 1/(sin^2 x)  1/(cos^x)
asked by Amir 
Math
The straight line x+2y+4=0 passes through (4,k), then value of k=?
asked by J.R. 
english
What are the nouns and verbs in the sentence The Lord is my strength and my salvation; in him I will trust.
asked by cathy 
physics
How much power is required to do 110 J of work on an object in a time of 0.4 s? W How much power is required if the same work is done in 5 s? W
asked by james 
PHYSICS
HOW DO YOU FIGURE OUT A VALUE OF ACCELERATION? CAN IT BE THE SAME AT TWO DIFFERENT TIMES?
asked by GRISSELL 
physics
1. Calculate the radius of orbit for a hydrogen electron in the n=3 level. 2.The half life of an unknown substance is one minutes. If the initial number of particles is 20 how many particles will remain after two minutes have elapsed?
asked by kelly 
Math
From 1965 to 1996, CAnadian Gary Duschi made the world's longest gum wrapper chain. It was 18721 feet long. About how many miles long was the gum wrapper chain?
asked by Jaycee 
Chemistry
A solution contains 1.53x103 M Ca(NO3)2, How many nitrate ions are there in 1.2x106 L (1.2 µL) of this solution?
asked by Cahleb 
math
Solve 2³ 1 • (3 + 6) + 3
asked by Sally 
math
List and explain matrix
asked by Jive 
Chemistry
How does the formation of metallic bonds explain the fact that metals tend to conduct electricity?
asked by Joshua 
Mathliteracy
Simplify 50kg(12x0,450kg)to simplest form pls view all th steps
asked by Ncinah 
business
Pick two similar small businesses in the same industry with which you are familiar, one successful and one not so successful. Describe them in a post, and compare and contrast these businesses. What is the difference in management style between the two
asked by Demetria 
Science/English
I still need the help of a science teacher. I urgently need to know where to look for English vocabulary used to describe the equipment of both a chemistry and a computer laboratory.
asked by Henry2 
Bakersfield College
I need to analyze the influence that legal issues, ethics, and corporate social responsibility have had on management planning at BP. Provide at least one example for each. I have been recking my brain for 2 days now.
asked by Candace 
math
The distance, d, an object falls after t seconds is given by the equation d=1/2(9.8)t^2 If t^2=83sec^2 then what is a good estimate for t?
asked by Taylor 
World History
Whats is a legal ststem based on custom and court descicons?
asked by Destiny 
math
write each measurement first in centimeters only and then in meters only 6m 80cm how do i go about this please?
asked by sunny 
English
As promised, I included 5 sentences. I hope the others were possible! 1) Winston lives a squalid existence in a oneroom apartment in "Victory Mansions", eats black bread, synthetic meals, and drinks industrialgrade "Victory Gin." 2) He is discontent with
asked by Henry2 
math
tiffany spent 1 7/12 hours doing homework. which of the following is the best estimate of how may hours she spent on her homework.
asked by michee 
geography
how does an elevation map help me learn about geography?
asked by witshell 
PRECALCULUS
solve: tantheta = sintheta
asked by Davis 
Tough Math
Suppose the ball was 3.24 feet above ground when it was hit, and that it reached a maximum height of approximately 102.51 feet when it had traveled a ground distance of approximately 214.26 feet. The ball lands after traveling a ground distance of
asked by HUNU 
MATH
THE LINE Y=X+4 INTERSECTS THE CURVE 2X^2 + 3XY  Y^2 + 1 = 0
asked by Amir 
math
Use the function V(T) = 18T2. A basketball player has a vertical leap of 38.5 inches. What is their hang time to the nearest hundredth of a second? Hint: T is your time in seconds.
asked by chelsea 
Literacy
To help employees become more effectively productive, companies may form cross _______ teams that draw on people from different departments to work on a special project. A. gender C. managerial B. trained D. functional my answer is C or D but i believe D
asked by Heather 
English
I am doing an application it says: Have you held any leadership type positions? Yes/No Please describe (100 words or less) I did not have any leadership type positions, so no. My question is, do I have to explain why I did not have any leadership or is it
asked by Jake 
poetry
iNeed Help Writing A *Parts Of Speech* Poem?_? HELP!! (;
asked by Kaidence 
English/Science
I urgently need to talk to one of your science teachers. In particular, I need help to define the objectives for our twoyear Comenius project concerning biodiversity in water. This comparative study will be carried out in English. 1) As you know, it will
asked by Henry2 
Science
I urgently need to talk to one of your science teachers. In particular, I need help to define the objectives for our twoyear Comenius project concerning biodiversity in water. This comparative study will be carried out in English. 1) As you know, it will
asked by Henry2 
math college algebra
write the quadratic function f(x)x^2+14x50 in the form f(x)=a(xh)^2+k by completing the square and graph
asked by Nicole 
math
The estimeatd difference of two numbers is 300. What might the numbers be? Explain how you found the numbers.
asked by Jenmark 
chemistry
How electrons interact in nonpolar covalent bonds, polar covalent bonds, and ionic bonds?
asked by Kelso 
chemistry
why are the atoms in metallic bonds positively charged?
asked by kelly 
Science
How does the formation of metallic bonds explain the fact that metals tend to conduct electricity?
asked by Joshua 
physics
What is the pressure in Pascals exerted on a surface measuring 0.5 m^2 by a force of 125 N?
asked by jason 
physics
A body is thrown with initial velocity 50ms1 at the angle 60• With the horizontal. Calculate the horizontal range ,also calculate what another angle achieve the same?
asked by rabin 
algebra
what is the width and length of a box that is 315 cu. units?
asked by Anonymous 
physical science
a soccer player kicks a ball straight up into the air at 6 m/s.ignore air resistance.what is the velocity of the ball at its highest point?
asked by faith 
biology
What changes occur when a solution goes from ph 5 to ph 8
asked by Littlerakka 
University of Phoenix
I need to evaluate the planning function of management as it relates to the organization's goals and strategies. I need to use the steps in the planning process. I do not know where to begin The class in MGT/230
asked by Mark 
English
Is Famine considered as Extra curricular activity?
asked by Matthew 
trig
tan5n over 3
asked by Janette 
English
What is another way of saying 'i don't mind'?
asked by Lil 
science
What materials can I use to make an imprint like a fossil?
asked by Sierra 
caculus
ʃ dx/x^4(1/x^22)^2 please help i need solution..i got the answer.. answer= 1/6(12x^3)=c thanks
asked by ME 
grammar
Complete with a suitable discourse markers My marks have been improving steadily.______I have had several successes on the sports field.
asked by Abdela said yimer 
precalc help
cos(15degrees) this is not plugging it in the calculator, please help me right down steps. i really need help.
asked by ash 
Literacy
7. These days, the leading commercial firms are found in the _______ sector. A. manufacturing C. service B. agricultural D. government my answer is C
asked by Heather 
Math
4.6meters=___millimeters. 4600?
asked by Jaycee 
PreCalculus
Verify: 1/(1sintheta) * 1/(1+sintheta) = sec^2theta sec^2theta is the answer, it would be great if someone can do the steps for me. thank you.
asked by natalie 
English
I urgently need you to check these sentences. Thank you. 1) I'm pleased to get to know that the French delegation will be arriving on 26. January. On that day I have got afternoon lessons till 3.15 pm. 2) The school administration office will be opened
asked by Henry2 
job fields or business
what is a similarity to video game designing if your looking for a job similar to it?
asked by anonymous 
Economic
For most of us, life is about "Tradeoffs". Why?
asked by Jill 
chemistry
how does electrons work together in nonpolar covalent bonds?
asked by Kelso 
math
pizza is sold every tuesday. Today is Tuesday. What reasoning can you use to describe what will happen, Inductive or Deductive reasoning?
asked by andrew 
Math
g(x) = 3x+5 / x1 find the inverse function
asked by Amir 
math
Your math class has 27 students. There are 12 seniors and the rest are juniors. What is the seniortoratio?
asked by .Jacqueline 
Math
The ratio of the weight of Philipe's gerbil to the weight of Dana's gerbil is 4:7. When both gerbils are placed on a scale, the scale reads 99 ounces. how much does Dana's gerbil weigh?
asked by Yesenia 
science
if yuh test mice to see if eatin effects yur learning abitly should they be from different purebred strain
asked by desara 
physical science
a soccer player kicks a ball straight up into the air at 6 m/s.ignore air resistance.what is the velocity of the ball at its highest point?
asked by faith 
social studies
What were the conditions onthe holding parts of the ships where the slaves were stacked?
asked by Brianna 
chemistry
lead melts at 106.0 degrees celcius, what is that temperature in faranheit
asked by Anonymous 
English grammar and checking
Hi, I answered these questions about Ella Enchanted movie and I need help seeing if they are correct, and I really need help double checking my grammar, punctuation and spelling. 1. For the movie, who are the main characters? #1 For the movie, the main
asked by Anonymous 
PreAlgrebra
a/43/4=1/4
asked by Samantha 
who invented.....
who invented the bra???
asked by 12yearoldpoet 
chemistry
what is saponication
asked by olawale 
Science
What kind of material do I use to make a modern day fossil?
asked by ariel 
math
Find the missing measurement 1 kg  blank ==400g
asked by stephanie 
equivalent fractions
what kind of question is this: what is equivalent to
asked by hush 
calculus
calculate y = log_10(x) where x = 0.3
asked by Sara 
English
I need a sentence about what my future holds using 1 infinipive 2 independent clause and a prepositional phrase please help
asked by Paige 
English
write aa sentence about what the future holds using 1 possessive pronoun 2 adverbs and 1 compound predicate
asked by Paige 
math
5g = 5/6 i got: 1 1/6 3k = 1.9 i got: k = 1/3 are these right?
asked by marko 
Word 2007pages
Hello Does anyone know how to number the first 4 pages in a word document (2007) with roman numbers and then start from the fifth page with the number 1?
asked by Mark 
english
I read what you sent and I appreicate it but i have to write these sentences by tomorrow and i don't understand
asked by Paige 
bio
what is Ssarcina Lutea's margin shape on agar?
asked by rebekah 
Reading
Ocean:sea::river:?
asked by Appril 
math
write each measurement,first in centimeters only and then in meters only 6m 80 cm 5m 29cm 6m 17cm 8m 67 cm HOW DO I DO THESE PROBLEMS PLEASE HELP.
asked by johann 
Math literacy
Convert r500 to australian as exchanging rate
asked by Ncinah 
math
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.2 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.) M =
asked by kiki 
Chem
why don't nobel gases bond with other atoms?
asked by Eduardo 
PreAlgrebra
4/7x3=13
asked by Samantha 
math
can you check: 3/5 a = 3 i got : a = 5 is that right?
asked by marko 
precalc please
use a formula sheet (i never got it) to help answer this: sin(75degrees)
asked by Dhehta 
alg2/trig
what is the smallest value of k that would make the roots of the equation x^22xk imaginary? please help, no idea how to do this.
asked by lisa 
mAth
sketch y= sec theta
asked by Anonymous 
english
ok i will do it my self what is a infinipive an independent clause and a prepositional phrase
asked by Paige 
math
The estimeatd difference of two numbers is 300. What might the numbers be? Explain how you found the numbers.
asked by Jenmark 
geograghy
as believers in communism boslsheviks
asked by brandon hampton 
PreAlgrebra
1/5(x+10)2
asked by Samantha 
Math
when you multiply any number by 1,what is the product ?
asked by Peter 
Math
10in=___ft 5/6? 20in=____yd 5/9? 880yd=___mi 1/2? 1,760ft=____mi 1/3??
asked by Jaycee 
sugar  vs  hormones
can too much sugar effect hair growth???
asked by 12yearoldpoet