Questions Asked on
April 14, 2012

physics
A droplet of ink in an industrial inkjet printer carries a charge of 1.1×10−10 C and is deflected onto paper by a force of 3.7×10−4 N.Find the strength of the electric field to produce this force.
asked by Helen 
Physics Question
A shaving/makeup mirror is designed to magnify your face by a factor of 1.27 when your face is placed 23.5 cm in front of it. What type of mirror is it? Describe the type of image that it makes of your face. Calculate the required radius of curvature for
asked by ###Nadine#### 
Physics
Your lab partner says that a battery provides not a source of constant current, but a source of constant voltage. Do you agree or disagree and why? Also I am really confused with series and parallel circuits like when voltage, current, and resistance
asked by rebekah 
math
Please explain in detail so I can understand how to do it: A football player punts a ball. The path of the ball can be modeled by the equation y = 0.004x^2 + x +2.5, where x is the horizontal distance, in feet, the ball travels and y is the height in
asked by Mary18 
chem stoichiometry
Acetylene(C2H2) burns in oxygen to form carbon monoxide and water. How many liters of oxygen(at STP) are needed to burn 25.0 L of acetylene (at STP)?
asked by linda 
Chemistry
Complete and balance the following equation S(s)+HNO3(aq)>H2SO3(aq)+N2O(g) An explanation would be excellent, thanks in advance.
asked by Jim 
AP CHEMISTRY
A voltaic cell is constructed that uses the following halfcell reactions. Cu+(aq) + e− > Cu(s) I2(s) + 2 e− > 2 I−(aq) The cell is operated at 298 K with [Cu+ ] = 2.7 M and [I− ] = 2.7 M. (a) Determine E for the cell at these concentrations. (b)
asked by DAN 
Chemistry
A buffer solution is prepared by adding 14.37g of NaC2H3O2 and 16.00g of acetic acid to enough water to make 500mL of solution. What is the initial concentration of C2H3O2 in the solution? Ka(HC2H3O2)=1.8e5 HC2H3O2 = H3O+ + c2h3O2 the molar mass of
asked by Hannah 
Science  physics
A circular wire of radius R carries a total charge Q distributed uniformly over its circumference. A small length of wire subtending angle teta at the centre is cut off. Find the electric field at the centre due to the remaining portion
asked by uma 
Chemistry
Nitrogen Monoxide reacts with hydrogen gas to form nitrogen gas and water (vapor). (i). write a balanced equation for this reaction. (ii). The reaction is experimentally found to be (approx) firstorder in H2 and second order in in NO. Write the form if
asked by Crystal 
Calculus
The voltage signal from a standard european wall socket can be described by the equation V(t) = 325Sin100(pie)t, where t is time in seconds and v is voltage at time t A) find the maximum and minimum voltage levels and times at which they occur B) determine
asked by Julie 
Chemistry(Please help)
Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = log(H30+) but I am not sure how to start this problem.
asked by Hannah 
Chemistry
Complete and balance the following equation: Cr2O7{2}(aq)+CH3OH(aq)>HCO2H(aq)+Cr{3+}(aq) Any feedback would be great, thank you so much.
asked by Ethan 
statistics
20. Explain how the power of a hypothesis test is influenced by each of the following. Assume that all other factors are held constant. a. Increasing the alpha level from .01 to .05. b. Changing from a onetailed test to a twotailed test.
asked by melissa 
Calculus. I need help!
Evaluate the indefinite integral (a.)∫√(cotx)csc^2xdx (b.)∫sec^3xtanxdx
asked by MILY 
Geometric Series (Algebra 2)
I need some assistance or a formula when trying to find the first term of geometric series please! I don't understand this!!!! What is the first term of a geometric series with a summation of 289, 5 terms and a common ratio of 1/2?
asked by Greg 
Chemistry help
NaOH+H2SO4> H2o+Na2SO4? How many moles of NaOH required to neutralize 1 mole H2SO4?
asked by Lee************** 
calculus
Suppose a tree on your land has a radius of 3 inches and increases in radius onefourth inch a year. How many years, y, to the nearest tenth will it take for the volume of the tree to double? A. 2 years B. 3.6 years C. 6.1 years D. 6.2 years
asked by Anonymous 
Math
Using h(t)=gt^2+v0t+h0, where g= 16, h0= initial height, v0= initial velocity, and t= time A rocket is fired into the air from the top of a building that is 200 feet tall. The initial velocity of the rocket is 600 feet/sec. If necessary, round answers to
asked by Brandon 
physics
Two pellets, each with a charge of 0.80 microcoulomb (8.0×10−7 C), are located 4.0 cm (4.0×10−2 m) apart. Find the electric force between them.
asked by Helen 
Physics
A 3.75 kg cat leaps off the floor with a launch speed of 4.0 m/s at 30° to the ground to pounce on a mouse which is running away from it at 1.5 m/s. The launch lasts 0.15 s, after which the cat is airborne. 3.1 Determine the net average force on the cat
asked by Caroline Smith 
Physics
what 2 properties of carbon make it a good material to use for motor brushes?
asked by Lauren 
Chemistry
what mass of AgBr is formed when a solution containing 3.45 g of KBr is mixed with a solution containing 7.28 g AgNO3?
asked by David 
PSY315
Based on the information given for each of the following studies, decide whether to reject the null hypothesis. For each, give (a) the Zscore cutoff (or cutoffs) on the comparison distribution at which the null hypothesis should be rejected,(b) the Z
asked by Ashley 
physics
Just as a car tops a 51 meter high hill with a speed of 85 km/h it runs out of gas and coasts from there, without friction or drag. How high, to the nearest meter, will the car coast up the next hill?
asked by m 
Calculus I
section is on Optimization: Find the point on the curve y = x^2 closest to the point (3, 4)
asked by Sandra Gibson 
Chemistry
the initial concentration of each component was: 0.100 M H2(g), 0.100M I2(g), and 0.050 M HI(g) . The Keq = 50.2. Calculate the concentration of each component when equilibrium has been reached. The balanced chemical equation for this reactions is: H2(g) +
asked by Steve 
tax
Which of the following itemized deductions is not allowed for AMT? A. Miscellaneous expenses B. Depreciation C. Medical expenses D. Charitable contributions is it D
asked by Andy 
physics
An energy of 6.0×10−2 J is stored in the metal sphere on top of a Van de Graaff generator. A spark carrying 1.0 microcoulomb (1.0×10−6 C) discharges the sphere.Find the sphere's potential relative to ground. last one for the night
asked by Helen 
Finance
Brand Advertising is offered a 3/10 net 40 trade discount by its supplier. In the past Brand has been able to ger away with paying for supplies on credit in 60 days. Since it doesn't have money on hand to take advantage of the discount, it tries to
asked by Alison 
Calculus
Could someone please explain on how to do this question stepbystep. Thank you! A bolt is being loosened by a 40 cm wrench. The torque in this situation has a magnitude of 12 J and the force makes an angle of 60 degree with the wrench. What is the
asked by Antia 
Chemistry PLEASE HELP!!
Procedure: 1. Calculate the mass of iron(II) ammonium sulfate hexahydrate, Fe(NH©þ)©ü(SO©þ)©ü*6H©üO (MW = 392.14) required to make 100 mL of solution that is 0.2M in Fe©÷⁺ ions. You will be asked to show your calculation in the Assignment. 2.
asked by Betsey 
physics
A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 88N picture is then hung from the center of the wire, as the drawing illustrates, so
asked by robert 
physics
Which of these is the same in identical branches of a parallel circuit? A) All of these.B) Voltage.C) Current.D) None of theseE) Resistance. again my textbook says that voltage is the one that the paths are the same,is it all of these?
asked by Christy 
Physics
A block with mass m1 on a plane inclined at angle to the horizontal is connected to a second hanging block with mass m2 by a cord passing over a small, frictionless pulley, as shown. The coefficient of static friction is us and the coefficient of
asked by modjadji 
Chemistry
Draw a reaction profile (diagram of energy vs reaction coordinate) for a hypothetical reaction AB +C A+BC in which the foward reaction has an activation energy of 100kJ mol1 and the backward reaction has an activation energy of 75kJ mol1. (ii). a
asked by Crystal 
Math Trig
1. Determine the exact value of cos^1 (pi/2). Give number and explanaton. 2. Determine the exact value of tan^1(sq. root 3). with explanation. 3. Determine exact value of cos(cos^1(19 pi)). with explanation. 4. Determine the exact value of sin(sin^1(20
asked by Crystal 
Life orientation
Five ways in which you critically discuss how life style /behaviour of cancer impact on the teenager ?
asked by Mapule 
12th Grade Life Orientation
In 15 lines critically discuss 5 ways in which the human or environmetal problem impacts on the community
asked by Motsatsi 
CHEMESTRY
C3H8+5O2=3CO2+H2O How many liters of propaine (d=0.585g/ml) will produce 1.25L of water (d=1.00g/mL)?
asked by Anonymous 
antiderivative help!!
Given f"(x)=8sin3x and f'(0)=1 and f(0)=6. Find f(pi/5). i got stuck with f(pi/f) f"(x)=8sin3x f'(x)=8cos3x+c f'(0)=8cos3(0)+c=1 c=9 f'(x)=8cos3x9 f(x)=8sin3x9x+c f(0)=8sin3(0)9(0)+c=6 c=6 f(pi/5)8sin3(pi/5)9(pi/5)6. so am i right?
asked by lindsay 
chem
An equivalent weight of an acid is the mass of the acid needed to deliver 1 mole of . The of an acid solution is the number of equivalents of in 1 liter of solution.
asked by Anonymous 
Math
Simplifying (4ab x (sqrt 2b))  (3a x (sqrt18b^3)) + (7ab x (sqrt6b))
asked by Mike 
physics
Electric current is a flow of electric charge that moves due to an electric pressure is called what?. A) wattage.B) voltage.C) All of these to some degree.D) None of these.E) amperage. I chose ampere, this is what my textbook tells me and I got it wrong
asked by Christy 
Chemistry
What is the boiling point of ethanol when the atmospheric pressure is 60kPa?
asked by Gerald 
Chemistry
A saturated aqueous solution of calcium hydroxide has a pH of 12.25. What is the [Ca 2+] of such a solution?
asked by Andy 
health sciences
d. You want to determine the amount of Chlorophyll (Molecular Weight: 893.51 g/mol) in a 50 ml marine sample. Before analysis by UV spectroscopy, 5 ml of the solution was diluted to 80 ml with DI water. The diluted sample was analysed using UV spectroscopy
asked by rani tabasum 
Calculus
Differentiate A) y = Cos2x B) y = Sin2tetta  2Cos2tetta C) f(tetta) = negative pie*Sin(2tetta  pie) Tetta means that zero with a line going horizontally across mid zero. Like In trigonometric identities you have ___ tetta....
asked by Julie 
chemistry
We had a Chemistry lab for buffer system, we used HCl and NAOH. We did a graph ( PH vs ml of HCL and NaOH, we told to estimate the buffer capacity using the graph. How to do this?
asked by Mima 
physics
There are electrons in the filament of the ac lamp in your bedroom. When you turn on the lamp and it glows, the glowing comes from A) the positive charges that flow in the filament.B) the same electrons.C) different electrons; the ones that flow in the
asked by Jim 
physics
How much resistance must a 9V device have to keep the current about 1 A? A) None of these.B) 1 ohm.C) 9 ohms.D) 4.5 ohms.E) 10 ohms
asked by Jim 
math
one out of every 4 students in a club is a girl.There are 20 students in the club.How many girls are in the club.How many boys are in the club??? explain.
asked by katniss 
English
Can you please check these sentences? Thank you very much. 1) Write an example for each of the incorrect verbs. 2) Write an examplesentence (?) for each of the verb you made wrong. 3) You shouldn't have phoned him. (He phoned and you regret it) 4) You
asked by Matthew 
calculus
For x>0 find and simplify the derivative of f(x)= arctan(x) + arctan(1/x). I've done the problem a few times and I keep getting (1)/(1+(x)^2)+(1)/(1+(1/(1/x)^2))(x)^2 but something about the answer is wrong and I cannot figure out what.
asked by casidhe 
Algebra
The following problem must be solved 3 different ways in which X=smallest angle for problem 1. Problem 2 would be X=medium sized angle. Problem 3 would start with X=largest angle. I was able to figure out X=smallest angle, but I am stumped on the other 2
asked by Angie 
Biology
Having a really hard time following this diagram of the Kreb cycle and I need to answer these questions: 1. Total number of NADH molecules produced for each glucose molecule in the Krebs cycle. A)2 B)4 C)6 D)8 E)10 2. The theoretical yield of ATP from each
asked by DS 
ENGLSTILL NEED HELP!!
I need to write 1,000 words which focuses upon how the denotation, connotation and/or level of diction found in the majority of the italicized words plays against the level of diction found in most of the rest of the poem. Unfortunately, I don't know what
asked by Witchita 
biology
is insomnia the same thing as sleep deprivation. im pretty sure they are different but i just wanted to check. also what in the brain causes insomnia. What parts of the brain create it and what are the functions?
asked by hannah 
physics
Electronic types neglect the force of gravity on electrons.To see why, compute the force of Earth's gravity on an electron and compare it with the force exerted on the electron by an electric field of magnitude 6000 V/m (a relatively small field). The mass
asked by Helen 
physics
i need three different project topic in physics
asked by Joanna 
statistics
One important task in experiment design is to determine the sample size needed to support the conclusion. A manufacturer for a specific assistive device claims that its battery can last longer than 15 days without recharging. To check if this claim is
asked by mariha 
math
Please explain in detail how to solve this problem: h = 16t^2 + 156t + 105
asked by Mary 
math
In a local election,53,400 people voted. This was a decrease of 7% over the last election.How many people voted in the last election? Round to the nearest whole person
asked by carol 
math
How long a spaceship traveling at a steady speed of 14km/s to reach Jupiter?
asked by Ken 
Calculus I
Section Area: Use Riemann sums and a limit to compute the exact area under the curve. y = 4x^2  x on (a) [0,1]; (b) [1, 1]; (c) [1, 3]
asked by Sandra Gibson 
physics
The actual speed of electrons drifting along in a common electric circuit is about the speed of which of the following?. A) sound.B) a fastmoving automobile.C) light.D) a slowmoving snail.
asked by britches 
Plz help!!! algebra
convert the decimal 0.6 to a fraction by writing it as a infinite series. I really have no idea how to do this can anyone please help me?
asked by ashley 
physics
The lowest resistance in a common electric circuit containing a common lamp is in which of these A) connecting wires.B) Both of these.C) Neither of these.D) lamp filament. I would say lamp filament is this correct?
asked by Christy 
( Online Class ) Consumer Math
Adjusting a budget  Given the net income, the percent budgeted for two variable expenses, and the amount of an unexpected bill, determine if there is enough money in the variable expense items to cover the amount of the unexpected expense or if the bill
asked by Naty 
physics
The key ingredient in anything magnetic is which of the following?. A) moving electric charge.B) magnetic domains that are aligned C) pairs of magnetic poles.D) the surrounding magnetic field.E) magnetic polarization.
asked by Christy 
us history
where did james farmer live in 1969. was this his permanent residence? aka for his job did he live at the white house or at his home? thanks!!
asked by rebekah 
Chemistry help
COVALENT BONDS BETWEEN THE MONOMERS OF AN ENZYME MACRO MOLECULE ARE?
asked by Lee************** 
Medical Terminology
A mother breast feeding her babay is an example of immunity. A. active natural B.passive natural C. passive acquireed D. active acquired. My answer is (a.) can someone check my answer.
asked by Brenna 
physics
The shape of a magnetic field about a currentcarrying wire is much the same as the shape of an electric field ____________. A) All of these.B) None of these.C) about a point electric charge.D) between two opposite point charges.E) between the plates of a
asked by Jim 
physics
An electric motor best makes use of the fact that on a currentcarrying wire in a magnetic field there exists which of these?. A) electromagnetic energy to be tapped.B) rotation.C) All of these.D) a force.E) a changing voltage. I say it is roation or all
asked by Christy 
Math
Solve: Richard has 17 yards of material. How many tote bags can he make if each bag takes 2/3 yards of material to make?
asked by Susan 
Calculus
Use the algorithm for curve sketching to sketch the graph of each function. a) f(x) 4x^3+6x^224x2 1. First to find intercepts y=0 0=4x^3+6x^224x2 =2(2x^3+3x^312x1) I don't know how to find the xintercept. I can't use quadratic formula or synthetic
asked by Jake 
world issues
I have been looking every where for a volunteer program description. I have read my book and look on the internet and still do not understand can someone show me how to find a sample volunteer program description that works with gardening or explain what
asked by RT 
physics
In any region of space where a magnetic field is changing in time, there is which of these?. A) None of these.B) induced electric field, also changing in time.C) All of these.D) even larger magnetic field.E) induced gravitational field.
asked by Phillip 
math
If 611 men at a conference comprise 65% of all people at the conference, how many people are at the conference?
asked by Dee 
Introduction to Medical Terminology
If a patient is lying on his back, face upward, he's in the position. A. shock B.anatomical C.prone D. recumbent can someone check my answer which is (D )
asked by Brenna 
Science
What is the boiling point of ethanol when the atmospheric pressure is 60kPa? I decided to repost this ? under Science instead of Chemistry. Thanks.
asked by Gerald 
accounting
Last year Angela used her 60% margin account and purchased 100 shares of stock at a price of $33 a share. Today she sold this stock for $36 a share. Angela paid a total of $70 in margin interest for the year. Ignoring transaction costs, what rate of return
asked by Anonymous 
calculus
2. A bullet is fired from the ground at an angle of 45o above the horizontal. What initial speed vo must the bullet have in order to hit a point 550 ft high on a tower located 600 ft away (ignoring air resistance)? 3. The Giant Ferris Wheel in Vienna has
asked by nady 
calculus antiderivation
Given that the graph of f(x) passes through the point (2,5) and that the slope of its tangent line at (x, f(x))is 3x+5, what is f(3) ?
asked by lindsay 
math
The section is on concavity and the second derivative test, the question is: Determine all significant features and sketch a graph: f(x) = x / x + 2
asked by Sandra Gibson 
math
Determine exact value of cos(cos^1(19 pi)). is this the cos (a+b)= cos a cos b sina sin b? or is it something different. When plugging it in the calculator, do we enter it with cos and then the (cos^1(19 pi)).
asked by Anonymous 
Calculus I
Section The fundamental Theorem of Calculus: Use Part I of the fundamental Theorem to compute each integral exactly. 4  4 / 1 + x^2 dx 0
asked by Sandra Gibson 
Calculus I
Section Antiderivatives: Find the function f(x) satisfying the given conditions. f''(t) = 4 + 6t, f(1) = 3, f(1) = 2
asked by Sandra Gibson 
Math
What is the surface area in square units? top= 10 square units bottom= 10 square units right= 4 square units left= 4 square units front= 10 square units back= 10 square units
asked by Mia please helpppp 
Calculus
Find the revenue function R(x) when P(x) is P9x)= 50 0.002x I am getting 50x 0.002x^2 can anyone check, thanks.
asked by Mathcheck 
math
please explain the steps: Jim Williamson began a 96mile bicycle trip to build up stamina for a triathlete competition.Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip took 6 hours.If Jim walks at a rate of 4 miles
asked by micah 
American Literature
wwho love it and understand it are the people who own it—for a little while”
asked by Christian 
English
I left out a few things. Thank you very much for helping me. 1) Amnesty works by collecting information. When it has a proof that a person is a 'Prisoner of Conscience', then a person's case is handed over to a local group. Question: Amnesty gathers
asked by Matthew 
Math 7
A circle has a cirumference that measures 18(pi) inchies. What is the raduis in inches of the circle? C = 2(pi)r a) 6 b) 9 c) 18 d) 36 My answer  9 reason  haft of 18 is 9 is my answer is correct?
asked by Laruen 
physics
A galvanometer best makes use of the fact that there exists a magnetic field in which of the these?. A) about aligned magnetic domains.B) wherever a change of voltage occurs.C) about a currentcarrying wire.D) between the poles of a Ushaped magnet.E)
asked by Jim 
Science
Calculate the acceleration of a turtle whose speed changes from 3 m/s to 72 m/s over a period of 17 seconds.
asked by Suzie 
law
Why are federal and state law enforcement agencies responsible for executing search warrants? How is this different from audit of accrediting organizations
asked by Anonymous 
calculus
find the second derivative of F(x)=3e^2x(^2) to find the inflection points. I am trying but I don't think I'm finding the first derivative correctly.
asked by casidhe 
physics
Consider a transformer with a primary that has 50 turns of wire and a secondary of 250 turns. Then a 110V input will produce an output of which of the following? A) 550 volts.B) 110 volts.C) 300 volts.D) 50 volts.E) 22 volts.
asked by Jim 
COLLEGE CALCULUS. HELP!
Evaluate the definite integral ∫(0,2) (x1)^25 dx.. thats how i got stuck u=x1, then du=dx =∫(0,2) u^25du =(1/26)u^26. i don't know what to do with integral (2,0)..
asked by LILY 
math
135/ = b/360
asked by marie 
PHARMACY TEC
THE SUBSECTION OF A DRUG MONOGRAPH THAT MAY INDICTE A CANCERCAUSING POTENTIAL IS THE
asked by Anonymous 
Microbiology
what microbe causes the disease of Propionibacterium acnes? are there any other features of microbe that conctributes the ability to cause disease?
asked by Anonymous 
Bio Anatomy
do you guys know of any sites that describes in detail pathology of the occipital lobe? thanks
asked by rebekah 
math
if you draw two cards from a standard deck of 52 cards without replacement find: a. P(King first, Jack second) b. P( face card first, ace second) c. P(2 aces
asked by Anonymous 
physics  electrostatics
A charged particle of mass m of 1 kg and charge q = 2 uC is thrown from a horizontal ground at an angle teta = 45 degree with speed 20 m/s. In space a horizontal electric field E = 2 x 10^7 V/m exist. Find the range on horizontal ground of the projectile
asked by uma 
Math
If f(x) is an antiderivative (i.e. primitive) of x*e^(x^2) and f(0)=1. Then f(1)=?
asked by Anonymous 
Math
Factor 3x^216X+K and find the value of K.
asked by Hanu 
Math
If integrating 2xdx from k to k equals 18 and k>0, then what is the value of k? many thanks!
asked by Anonymous 
Life orientation
Two institutions / community organizations that are involved in supporting or giving redress to these disasters of xenophobia.
asked by Mapule 
Math
In13/20 of its games, the tigers scored 6 or more runs. In what percent of its games did the tigers score 6 or more runs? A. 65%. C. 60% B. 62.5%. D. 55% Can some one explain
asked by Leslie 
Math
Find lim x>0 [(integrating t^3/(1+t^6)dt from 0 to x^2)/x^8].
asked by Anonymous 
Maketing
who are the organizational buyers of whirlpool products? I have Sears, Lowes, Best buys, and home depot. Is that what the questions is referring to and are there more?
asked by Patiance 
Physics
waves propagate down a 25gram string at 35 m/s. If the string has a length 1.5 meters, what iss the magnitude of the tension acting along it? i am stuck on how to figure this one out any help would be appriciated.
asked by angela 
Calculus
Determine derivative of each function A) y = 3xSinx B) f(t) = 2t^2Cos2t C) [(pie)tSin](pie(t)6)
asked by Julie 
Geometry
Sonia counts the faces on a cube. Then, she connects a cube and counts the faces that she can see on the two cubes . How many faces will be visible if she ends up with a row of 5 cubes?
asked by Mia 
math
Determine the exact value of cos^1 (pi/2). Give a number and an explanaton. ok so I have a graphing calculator, so i was just wanting to make sure that we plug it in as is? or do we have to change it to put it in the calculator. and im not quite sure what
asked by Anonymous 
Physics
How to attach a file with circuit diagram questions ?
asked by Eileen 
math
How long a spaceship traveling at a steady speed of 14km/s to reach Jupiter?
asked by Ken 
calculus I
Overview of curve sketching: Determine all significant features, and sketch a graph: f(x) = x66  10x^5  7x^4 + 80x + 12x^2 192x
asked by Sandra Gibson 
Calculus I
Section is Integration by substitution: evaluate the indicated integral. tan 2x dx
asked by Sandra Gibson 
Calculus I
Section is Integration by Substitution: Evaluate the indicated integral. x^2 sec^2 x^3dx
asked by Sandra Gibson 
History
Name the 3 countries and their leaders of the Allied Powers during World War II.
asked by Rezu 
business communication
Which of the following would be the best revision of these sentences? "Our present receivables are in line with last year's. However, they exceed the budget. The reason they exceed the budget is that our goal for receivable investment was very
asked by t 
Life orientation
Identify and describe one environmental problem that causes ill health,accidents,crises and disasters in any community within South Africa
asked by Kgomotso 
Introduction to Business
What do you understand by the word "Business"
asked by Innocent 
Calculus
Determine the equation of the line through the origin and the point P(10,3) a) r=s(10,3), seR b) x=3t, y=10t, teR c) r=s(3,10), seR d) r=s(3,10), seR
asked by Antia 
physics
a snow ball at 0 degrees celsius is thrown against a brick wall. if all the kinetic energy of the snowball turns to heat upon striking the wall, how fast must you throw the snowball to cause it to melt completely?
asked by Anonymous 
Tax
For AMT purposes, the standard deduction and personal exemptions are: A. allowed for AMT purposes. B. added as a positive AMT adjustment. C. subtracted as a negative AMT adjustment. D. reduced by half for AMT purposes. is it B
asked by Andy 
Chemistry help
A substance with pH of 3 is 10 times as Acidic as a substance with a pH of 4. *****or******* A substance with a pH 3 is twice as acidic as a substance with a pH of 4.
asked by Lee 
physics
The relationship between magnetic force and magnetic pole strength is similar to the relationship between which of the following?. A) force, mass, and distance as in Newton's law of gravity.B) All of these.C) current, voltage, and resistance as in Ohm's
asked by Christy 
English
I can't send you my post. What can I do, Writeacher? It appears a sentence saying that I've made error 403. What does that mean?
asked by Henry1 
English
I hope I can send you my post this time. Thank you, Writeacher. 19 He invited me to go for a motorbike ride. He requested me to go (is not possible?) He consented/agreed to drive me to the airport. 2) She said to me (she told me) that I could go to the
asked by Matthew 
English
I left out a last sentence. Thank you very much, Writeacher. He told me that I could go to the cinema provided that I finished (not I had finished) my homework.
asked by Matthew 
physics
last one for now..this is nowhere in my text or when I google it!! Which of these cities has the smallest incidence of cosmic rays? A) All about the same.B) New York City.C) Mexico City.D) Singapore.E) Anchorage.
asked by Christy 
math
why does the limit as x goes to infinity for (1+2/x)^x is e^2..can someone sow the steps..thanks
asked by aaliya 
PHI 103
In the truth table for an invalid argument
asked by Todd 
Math
Solve; multiply; then reduce to lowest terms 5 1/2 * 3/4
asked by Susan 
principles of physics
What is the key ingredient for electromagnetic induction? A) Motion.B) Energy.C) Force.D) Magnetic charge.E) Electric charge.
asked by Phillip 
Math
solve; divide; then reduce to lowest terms 1 4/7 / 4/10 and divide; then reduce to lowest terms 14/3 / 2 5/7
asked by Susan 
Math
Solve: Eighty people were invited to vote in thr extension club's elections and 9/10 of them voted. How many people voted in the elections?
asked by Susan 
Math
Solve: Subtract; then reduce answer to lowest terms 5/22  1/41
asked by Susan 
Math
1/14 + 3/16 + 4/14
asked by Jane 
Speech (acronym help)
I am doing a demo speech on how to make play dough and my four easy steps are 1. mix 2. add 3. stir and 4. kneed. These 4 make up MASK. I do not at all have to do my speech this way but I think it would be kinda cool if I could somehow relate a mask to the
asked by Nicole 
7th math
what does 252/_= w/260
asked by marie 
life orientation
Identify and describe one environmental problem that may causes i'll health
asked by obert 
physics
Which of these is not an application of electromagnetic induction? A) Radio.B) None of these.C) Sound.D) Light.E) All of these are.
asked by Phillip 
algebra2
How do i enter my answer? so the question is Simplify: √3:(63x^5/(72y^6)) and for my answer i got x√3:(7x^2/(2y^2)) but my work page says: Enter example: For 4√3:(2), enter 4(2)^(1/3) so how do i enter my answer
asked by Nancy 
Religion
Youtube  The Maccabeats  Candlelight  Hanukkah Please watch the video above and tell me a piece of Catholic wisdom about a feast day or holiday in the Catholic church. Please please please please
asked by Emily 
Math
What types of expenditures could you include in a budget for a working student? Do you need to save money, or can you spend all of your wages? Give at least two examples and explain your answer.
asked by Anonymous 
algebra
the length of a rectangle is fixed at 23cm what lengths will make the premiter greater than 72cm
asked by dede 
Algebra
the length of a rectangle is fixed at 16cm what lengths will make the premiter greater than 82cm
asked by Anonymous 
Algebra
the length of a rectangle is fixed at 16cm what lengths will make the premiter greater than 82cm
asked by Anonymous