Questions Asked on
March 23, 2010

College Chemistry
Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Calculate the pH of a solution containing an amphetamine concentration of 215 mg/L. I calculated the molarity as 1.58*10^3 and the Ka as 1.58*10^10. I did ICE and i got the pH as 6.3, but it was
asked by Kyle 
physics
In a physics lab experiment, a spring clamped to the table shoots a 22 g ball horizontally. When the spring is compressed 22 cm, the ball travels horizontally 5.2 m and lands on the floor 1.3 m below the point at which it left the spring. What is the
asked by Naso 
College Chemistry
Calculate the ratio of NaF to HF required to create a buffer with pH=3.95. Also, can you please explain in a nutshell the whole concept of buffers? Thanks!
asked by Katie 
Implicit DifferentationCal
if sin(xy)=x, then dy/dx=
asked by Anonymous 
calculus
let f be the function f(x) = x^3 + 3x^2  x + 2 a. the tangent to the graph of f at the point P = (2,8) intersects the graph of f again at the point Q. Find the coordinates of point Q. b. Find the coordinates of point R, the inflection point of the graph
asked by mary 
chemistry
Which of the following formulas  NO, N2O, NO2, N2O, N2O4, AND N205  represent the empirical and molecular formulas of the same compound?
asked by Jeaninne 
Physics
(c22p46) A light ray of wavelength 589 nm is incident at an angle θ on the top surface of a block of polystyrene surrounded by air. PART 3: Find the maximum value of θ for which the refracted ray will undergo total internal reflection at the left
asked by Kyle 
college physics
A(n) 13,300 lb railroad car traveling at 7.4 ft/s couples with a stationary car of 6790 lb. The acceleration of gravity is 32 ft/s^2. What is their velocity after the collision (ft/s)? And what impulse did the first car receive? Answer in units of lbs. Any
asked by eric 
Chemistry
Determine the [OH^] of a solution that is 0.145 M in CO3^2.
asked by Eddie 
4th grade math
write 3 different improper fractions that equal 4 2/3
asked by Alex 
PHYSICS
RESPONDING TO AN ALARM, A 102 KG FIREMAN GETS UP FROM DINNER AND SLIDES DOWN A POLE TO THE GROUND FLOOR OF THE BUILDING, 3.3 M BELOW. THE FIREMEN STARTS AT REST AND LANDS ON THE GROUND FLOOR WITH A SPEED OF 4.2 M/S. A.FIND THE FORCE EXERTED ON THE FIREMEN
asked by Stacy 
organic chemistry
urgent, please help me...this is about the separation and purification scheme... there is 4 group of mixture: a)benzoic acid, benzoin and 1,4dibromobenzene b)fluorene, otoluic acid and 1,4dibromobenzene c)phenanthrene, methyl 4aminobenzoate and
asked by Sunny 
Chemistry
Which of the following species would NOT function as an oxidizing agent? a. MnO4 b. Mn+2 c. H+ d. S e. Br
asked by Khin 
physics
An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 5400V . It then passes between two horizontal plates 6.1cm long and 1.2cm apart that have a potential difference of 250V At what angle will the
asked by Jeremy 
chemistry
a 1.009g mixture of the solid salts Na2SO4 and forms an aqueous solution with the precipitation of PbSO4. The precipitate was filtered and dried and its mass was determined to be .471 g. the limiting reactant was determined to be Na2SO4. Write the
asked by Ann 
PHYSICSrepost
A small glass bead has been charged to +19 nC. A metal ball bearing 1.0 cm above the bead feels a 0.030 N downward electric force. What is the charge on the ball bearing?
asked by deb 
Chemistry
What is the reduction halfreaction for the reaction between iron(II) sulfate and potassium permanganate in a sulfuric acid solution? 5Fe2+(aq) + MnO4–(aq) + 8H+(aq) > 5Fe3+(aq) + Mn2+(aq) + 4H2O(l) a. MnO4– + 3e– >Mn2+(aq) + 4H2O b. MnO4–(aq)
asked by Husy 
math
An arch is in the form of a semiellipse, with its major axis as the span. If the span is 80 feet and the height is 30 feet write the standard equation.
asked by dcw 
Chemistry
What is the reduction halfreaction for the reaction between iron(II) sulfate and potassium permanganate in a sulfuric acid solution? 5Fe2+(aq) + MnO4–(aq) + 8H+(aq) > 5Fe3+(aq) + Mn2+(aq) + 4H2O(l) a. MnO4– + 3e– > Mn2+(aq) + 4H2O b. MnO4–(aq)
asked by Zakaria 
English
1. First, let me introduce my friend to you. His name is Seho. He is my classmate. He is also my neighbor. He got the first prize in the English speech contest. 2. First, I'd like to introduce my classmate, who is my neighbor and got the first prize in the
asked by rfvv 
chemistry
Which of the following is a weak electrolyte in aqueous solution? a. H2SO3 b. HNO3 c. HBr d. HClO4 e. NaOH
asked by zacky 
physics
A small glass bead has been charged to +19 nC. A metal ball bearing 1.0 cm above the bead feels a 0.030 N downward electric force. What is the charge on the ball bearing?
asked by deb 
statistics
A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume a student randomly guesses the answer to every question. 1) What is the probability of getting exactly 9 correct answers? 2)What is the probability of
asked by please help me! 
Physics
A nonrotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is
asked by Avery 
Chemistry
A .972g sample of a Cacl2 2H2O/K2C2O4 H2O solid salt mixture is dissolved in 150 ml of deionized water, previously adjusted to a pH that is basic . The precipitate after having been filtered and air dried has a mass of .375g. what is the percent by mass of
asked by Ann 
Math 101
Find the equation for each of the following items below: a. A line that passes through (6,26) and has a slope of 3. b. A line that passes though the points (5,5) and (10,20) c. A line that passes through (9,25) and has a slope of 3. d. A line that passes
asked by SEMA , Need Help 
Chemistry
Identify the spectator ion(s) in the following reaction: Cu(OH)2(s) + 2H+(aq) + 2Cl–(aq) Cu2+(aq) + 2Cl–(aq) + 2H2O(l) a. Cu2+ and Cl b. H+ and Cl– c. Cu(OH)2 d. Cl– e. Cu2+
asked by Khin 
4th Grade Math
Ms. Ross's class has 24 students.2/3 of her students have brown hair.The rest have blonde hair.How many students have blonde hair?
asked by Megan 
ALGEBRA
Find the distance between two points which have the coordinates of (5,1) and (8, 5).
asked by GGIFT 
math
could someone please help.... a cottage under construction is to be 35.6m wide. the two sides of the roof are to be supported by equal rafters that meet at a 52 degree angle. determine the length of the rafters to the nearest cm using the cosine law and
asked by deborah 
chemistry
how many grams of copper hydroxide can b prepared from 2.7g of copper (II) nitrate and excess sodium hydroxide?
asked by sophie 
physics
A pigeon in flight experiences a force of air resistance given approximately by F=bv2, where V is the flight speed and B is a constant. A) In terms of SI units, what are the units for the constant "b"? B) What is the largest possible speed of the pigeon if
asked by Mark 
Physics
1. A pair of narrow, parallel slits separated by a distance of 0.408 mm are illuminated by green laser light with wavelength of λ = 537.5 nm. The interference pattern is observed on a screen 1.56 m from the plane of the parallel slits. Calculate the
asked by Matt 
physics
I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of revolutions done in this time.
asked by Morgan 
Physics for life science
1. A car starts from rest and accelerates at a constant rate to 80km/h in 6s in positive direction. What is the acceleration? 2. After how long will the car speed be 120km/h if it keep accelerating at the same rate as in 1.? 3.After the car reached speed
asked by Simeon 
3rd grade
Unscramble cioponam
asked by Bob 
Student supervision
1. Which of the following infectious diseases accounts for 60 to 80 percent of all school absenteeism? A. Upperrespiratory infections B. Pinkeye C. Tuberculosis D. Hepatitis A and B 2. Which of the following statements about playground monitors is
asked by DA 
Physics
A skateboard rider starts from rest and maintains a constant acceleration of +0.50 m/s squared for 8.4 s. What is the rider's displacement during this time?
asked by Lamar McKnight 
physics
What is the wavelength of the radio waves broadcast by an FM radio station with a frequency of 90.5 MHz?
asked by Sean 
chemistry
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to the n = 3 state.
asked by Tanisha 
physics
I;m sorry, but I was stuck on the second part of this problem. Can you please help me? An automobile engine slows down from 4500 rpm to 1500 rpm in 2.5 seconds. a) calculate angular accceleration b)calculate total number of revolutions done in this time.
asked by Morgan 
chemistry
Urgent. The melting point of pure acetylsalicylic acid is 135 degrees celsius. Comment on the purity of your product based on its melting point range. My melting point range was 105115. I do not even know where to start for this question. Could you please
asked by Lee 
phy
A marble slides without friction in a vertical plane around the inside of a smooth, 21 cmdiameter horizontal pipe. The marble's speed at the bottom is 4.5 m/s this is fast enough so that the marble makes a complete loop, never losing contact with the
asked by Naso 
spanish
una familia grande tiene muchas y una familia pequena tiene pocas
asked by Shachrisha 
Biostatistics
if we select a birth at random, what is the probability the mother is 19 years of age or younger
asked by Brenda 
Chemistry
2Li(s) + 2H+(aq) + SO42–(aq) > 2Li+(aq) + SO42–(aq) + H2(g) The reaction shown above between lithium and sulfuric acid is best described as 1 acidbase. 2 oxidationreduction. 3 precipitation. a. 1 only b. 2 only c. 3 only d. 1 and 2 only e. 1, 2,
asked by Zakaria 
Chemistry
Which of the following represents a pair of isotopes? Atomic Number Mass Number a. I 7 16 II 8 16 b. I 17 34 II 18 36 c. I 17 35 II 17 37 d. I 7 14 II 8 16 e. I 17 37 II 18 37
asked by Husy 
statistics
slot machines are now video games, with outcomes determined by random number generations. in the old days, slot machines were like this: you pull the lever to spin 3 wheels; each wheel has 20 symbols, all equally likely to show when the wheel stops
asked by steven 
Poetry
What is one metaphor and one simile in the poem "Leaning Into The Afternoons" by Pablo Neruda? What do they mean and how do they aid what Neruda is trying to state in the poem? I NEED HELP PLAEASE!!!!!
asked by Troy 
chemistry
Does the basicity decreases as going down the column and right across the periodic table? How does the size of an element or electronegativity apply to strength of basicity and acidicity?
asked by eng 
Personal Finance
Mary just deposited $33,000 in an account paying 7% interest. She plans to leave the money in this account for eight years. How much will she have in the account at the end of the seventh year? Mary and Joe would like to save up $10,000 by the end of three
asked by Linda 
stats
you have torn a tendon and are facing surgery to repair it. the surgeon explains the risk to you: infection occurs 3% of such operations, the repair fails in 14%, and both infection and failure occur together in 1%. what percent of these operations succeed
asked by steven 
Math(Correction)
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. sec Q = 5 tan = 2sqrt6 a) cos Q b) cotQ c)
asked by Mark 
Biology
Respond to this question: "If a plant doesn't have enough water to openits guard cells, how would this affect its rate of transpiration?" In your answer, discuss the following:  the guard cell's role in transpiration  what effect this would have on the
asked by mysterychicken 
chemistry
what is the energy needed to melt 5.62 moes of ice in 0'C
asked by Anonymous 
Chemistry
Identify the spectator ion(s) in the following reaction: Cu(OH)2(s) + 2H+(aq) + 2Cl–(aq) > Cu2+(aq) + 2Cl–(aq) + 2H2O(l) a. Cu2+ and Cl b. H+ and Cl– c. Cu(OH)2 d. Cl– e. Cu2+
asked by Zakaria 
Math Probability
In a bag of 10 marbles, there are 5 blue marbles, 3 red marbles, and 2 white marbles. Complete the probability distribution table for drawing 1 marble out of the bag Probability Blue marble Red marble White marble Total:
asked by Marcie 
College Physics
A 5.0 gram coin is placed 5.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 36 RPM is reached and the coin slides off. A.) What is
asked by L** 
Chemistry
Rank the elements Ca, As, K, Br from highest to lowest first ionization energy. (Type your answer using the format W>X>Y>Z.) Would the answer be: K>Ca>As>B
asked by Tiffany 
Math
I'm trying to perform the indicated operations, and reduce to lowest terms, but I'm not sure if I got the correct answer. The question is y5/(x^2+5x)+(xy+5y) + 1/x+y  2/x+5....I got y6, but am not sure if that is correct.
asked by Matt O. 
Chemistry
Which of the following ions has the smallest radius: Ca2+, K+, F, or Cl? Would it be K+, because it is a cation, making it have a smaller radius?
asked by Tiffany 
Math(Correction)
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. Sorry for the mistake. They are two separate
asked by Mark 
Chemistry
A solution of copper(II) hydroxide is heated. Which of the following best represents the balanced, net ionic equation?
asked by Husy 
calculus
Consider the graphs of y = 3x + c and y^2 = 6x, where c is a real constant. a. Determine all values of c for which the graphs intersect in two distinct points. b. suppose c = 3/2. Find the area of the region enclosed by the two curves. c. suppose c = 0.
asked by mary 
language mechanics
your term paper in my opinion,is very good. A); B), C). D)none is it (D)
asked by Anonymous 
Math(Correction)
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. sec Q = 5 tan Q = 2sqrt6 a) cos Q b) cotQ c)
asked by Mark 
physics
What is the frequency of the microwaves in a microwave oven? The wavelength is 12 cm. I have to give the answer in GHz
asked by sean 
Chemistry
Calculate the quantity of heat released when 0.520 mol of sulfur is burned in air. uising the enthalpy detalH= 296
asked by Vee 
physics
A plane progressive wave on a water surface is given by the equation y=2sin2pi(100tx/30) where xis the distance covered in a time t, x, y and t are cm and second respectively. Find (i) the wavelength and frequency of the wave motion. (ii) the phase
asked by Edwin 
PHY 131
three forces act on a moving force object. one cforce has a magnitude of 80.O N and is directed due north. another has a magnitude of 60.0N and is due west. What must the magnitude and direction of the 3rd force, such that the object continues to move at a
asked by S.Strange 
chemistry
1)) The following two halfcells are paired up in a voltaic cell. How will lowering the pH affect the E of the overall cell? ClO3(aq) + H2O(l) + 2e ==> ClO2(aq) + 2OH(aq) Eo= 0.35 V I2(S) + 2e==> 2I(aq) Eo = 0.54 V A)dE will increase B)dE will
asked by Val 
physics
Magnet A has twice the magnetic field strength of magnet B and at a certain distance pulls on magnet B with a force of 75 N. With how much force, then, does magnet B pull on magnet A?
asked by john 
spanish
what does "si no sabes la hora de un programa, ¿què haces?" mean and how would you answer that question?
asked by Nikki 
statistics
Find the indicated binomial probabilities. Round to the nearest 3 decimal places. In a local college, 20% of the math majors are women. Ten math majors are chosen at random. 1) What is the probability that exactly 2 are women? 2) What is the probability
asked by please help me! 
social studies
How did quebec act of 1774 influences the canadian society today? (i need to write an essay for this help ASAP)
asked by gleydel 
Chemistry
Is Al(OH)3 soluble in KOH or K2C2O4•3H2O?
asked by Alan 
Chemistry
What volume of 0.025 M sodium bromide, NaBr, contains 2.0 ´ 104 mole of Br? a. 0.040 L b. 0.080 L c. 4.0 mL d. 8.0 mL e. 16 mL
asked by Zakaria 
english
write a passage (300 words)using rhetorical devices on a person,idea or ideology.
asked by pat 
Physics for life scince
II.You are standing on the edge of a 50m high cliff and throw a ball vertically up with initial speed of 20m/s: 1.After how long will the ball hit the ground below? 2.Draw the v vs.t graph
asked by Simeon 
Physics for life scince
The population of Singapore is 4987600 people. The territory of Singapore is 710.2 km^2. the population of South Africa is 2171000people, while its territtory is 824292. Estimate the population densities of Singapore and South Africa.
asked by Simeon 
Math
How much does Jane pay for 1 pound 12 ounces of apples at $1.96 per pound?
asked by Lisa 
chemistry
what is an example of autocatalysis? what will the graph of the rate of an autocatalytic reaction versus time look like?
asked by alex 
Math
Prove Trig. Identities 1. sec è (sec è  cos è)= tan^2 è 2. tan^2 è (1 + cot^2 è) = sec^2 è
asked by Priscilla 
social studies
what are 5 ways the federal government helps United States citizens? (specifically, teenagers in this case)
asked by rawanna 
physics
A beam of electrons moves at right angles to a magnetic field of 7.2 multiplied by 102 T. The electrons have a velocity of 2.5 multiplied by 106 m/s. What is the magnitude of the force on each electron?
asked by Anonymous 
chemistry
how many grams of copper hydroxide can b prepared from 2.7g of copper (II) nitrate and excess sodium hydroxide?
asked by sophie 
math
what percent of 80 is 32 F)25% G)2.5% H)0.4% J)40% K)none i got 25.6% what is it then
asked by nick 
math
4a a = A)4 B)3a C)5a D)4a to the 2 power E) none
asked by nicky 
psychology paper
Hello I have to write a paper and part of the paper is asking for information I am not sure which way to go if some one can please help me with this I would appreciate it the section I am having a problem with is Explain the criticism of artificiality in
asked by Ann 
advance algebra
y=2x squared 8x+7 what is this equation in vertex form?
asked by niki 
?Cal/Trig??
Suppose the circumference of a circle is increasing at a rate of 3 cm/s. Find the rate at which the area of the circle is changing when the area is 64pi square centimeters. nEEd ALot of HELP on this one. !! PLZ. JaydenCUHS
asked by JaydenG 
Chemistry
Beside the usual method of titrating with KMNO4, what is/are the alternative method/s to test for the presence/amount of oxalate in a compound?
asked by Alan 
University Physics II
A 13.9 nC charge is located at position (x,y) = (1cm,2cm). A. At what (x,y) position is the electrical field 225,000i_hat N/C? B. At what (x,y) position is the electrical field (161,000i_hat + 80,500j_hat) N/C? C. At what (x,y) position is the electrical
asked by Becky 
Science
We did a experiment in class to recognize chemical change. I don't really get this question: Identify the combinations of chemicals in which chemical changes occurred. If the chemical changes occured in all of the combinations, then what would be a good
asked by Sara 
Chemistry
1)) The following two halfcells are paired up in a voltaic cell. How will lowering the pH affect the E of the overall cell? ClO3(aq) + H2O(l) + 2e ==> ClO2(aq) + 2OH(aq) Eo= 0.35 V I2(S) + 2e==> 2I(aq) Eo = 0.54 V A)dE will increase B)dE will
asked by Val 
chemistry
how will the potentail of the hydrogen/oxygen fuel cell change if the pressure of the gasses was increased from 1 atm to 3 atm
asked by sumaiya 
math
3x6=6
asked by ray 
pPhysics for life scince
4.The brakes are applied at the end of the 100s and the car comes to a stop within 20m, slowing down at a constant rate. What is acceleration? 5.Now the car turns back and its speed increases at 5m/s^2 for 7s. What is its speed at the end of 7th second?
asked by Simeon 
math
The speed of a boat in still water is 8 km/h. It travels 60 km upstream and 60 km downstream in a total time of 16 hours. What is the speed of the stream?
asked by Tonto 
Trig
If I have a triangle with the hypotenuse side as 7, and the opposite side as 3, how would I find the angle? (This is a right triangle.) ......III .....IIII .7..IIIII ...IIIIII..3 ..IIIIIII _IIIIIIII
asked by Jill 
vowel
which vowel is most often used to connect two Latin bases in a word? a. a b. e c. i d. o p.s. what do you think?...i choose a..?
asked by beonca 
9th grade
given that a(1,8) ,b(2,4) and if the line y=4 is the axis of symmetry of triangle abc find c.show that triangle abc is an isosceles triangle,calculate the area of triangle abc,calculate the perpendicular distance from a to bc
asked by anum 
calculus
Let A be the area if the region in the first quadrant under the graph of y = cos(x) and above the line y = k for 0 < k < 1. a. Determine A in terms of k. b. Determine the value of A when k = 1/2 c. If the line y = k is moving upward at a rate of 1/pi units
asked by mary 
college chem
how many mL of .100 M of acetic acid and .100 M of NaOH, would be need to make the volume 1.0 liters and have a pH7.00 if Ka=1.8x10^5
asked by josh 
strom thurmond
x + y = 15 4x + 3y = 38
asked by frey 
math
I really don't understand this question and I can't seem to be able to solve it. Can anyone help me? Write a composite number between 7 and 20.
asked by Josh 
Chemistry
When you look up the atomic masses of Si and Sn and then find the average and then look up the atomic mass of Ge, what is discovered? does it lend supporting evidence to the periodicity of elements?
asked by Ash 
math
Which conic section is represented by the equation? x^2  y^2 + 24x + 4y + 28 = 0.
asked by karen 
English
What does the phrase "Youth will be served" in Jack London's short story "A Piece of Steak mean?
asked by Mary 
college
explain how mccarthyism affected the lives and political thinking of people in the u.s
asked by Anonymous 
bis/219
discuss how amazon book stores address ethical, legal, and security issues?
asked by sd 
English
I really hope you can check the following questions and statements. 1) Of which classes did the 14th century see the rise? 2) Which role did the church play in medieval times? 3) What was the planetary system like according to Ptolemy? 4) Who is Beowulf
asked by Franco 
math
2 8\2 ____ 2
asked by nicky 
math
The yearly production of a 5 foot tree is 25 oranges. A 16 foot tree produces 58 oranges. Firstly, I had to list the ordered pairs, which are (5,25) and (16,58)then used slopepoint equation to find the number of fruits from 18 and 20 foot trees. The last
asked by sailor 
math
what percent of 12 is 3? i got 0.36% is that the same as 36%
asked by nicky 
Environmental Science
For my research paper on Coral Reefs, can someone please help me write an intro paragraph? I think I should first start by writing a thesis statement, although I'm not sure if thesis statements are required in research papers. If so, please help me. This
asked by y912f 
Chemistry
If 20.00mL of a solution that contains oxalate ion requires 10.00mL of 0.020M MnO4 solution in a titration, what was the molarity of the oxalate solution? 5C2O42 + 2MnO4 + 12H+ > 2Mn2+ + 10CO2 + 8 H2O
asked by Megan 
algebra
(4x+2)(x+5)
asked by BreAnne 
math
(1/10 \ 1/2) * 3 + 1/5 for 1/10 \ 1/2 i got 1/5 but i don't know what to do with the rest 1/5 * 3 + 1/2= F)4/5 G)4/15 H)16/25 J)3 2/5 K)none of these
asked by nicky 
PreCal(Please help)
solve for r There is a right triangle with the hypotenuse as r , the angle as 45 degrees and opposite side as 20. I am having a hard time finding this out. I had tan 45 = 1.61 20(1.61) = 32.4 but this is wrong.
asked by Hannah 
English
I am working on a descriptive paragraph about a time when I was sick. It's not a whole story. Just a paragraph on how you felt at the starting. I remember getting sick somwhere at the end of Feb. I remember catching the stomach flu~ vomiting; Friday night.
asked by Sara 
math 9th grade
Find the angle of elevation of the of the sun when a 12.5 meter tall telephone pole cast a 18 meter shadow.
asked by candler 
physics
A wire 28 cm long is parallel to a 0.36 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire? What equation do you use? I tried F= ILBsin(90) and that didn't work!
asked by Physics 
science
the brakes are applied at the end of the 100s and the car comes to a stop within 20m ,slowing down at a constant rate .what is the acceleration?
asked by megameno 
hca/210
what is one strength in the u.s. health care system?
asked by Anonymous 
Calculus
Lim x>infinity 10/x+10 find the limit
asked by Anonymous 
algebra
As a restaurant owner there are many decisions that you need to make on a daily basis, such as inventory levels. You wish to replenish your stock of dishes by purchasing 250 sets for your restaurant. You have available two different dish designs. One
asked by Anonymous 
Math
Having trouble knowing where to start with this one: A maker of tools claims the average amount of time it takes to assemble a table saw is 50 mins with a standard deviation of 40 mins. What is the probability that the sample mean will be less than 44 mins
asked by Len 
limits
use f'(x)=lim h>0 f(x+h)f(x)/h to find the limit: h>0 sin^3,4(x+h)sin^3,4x/h
asked by Cassy 
trig/PreCalc
Find all real zeros of the function y = 7 + 4
asked by jodi 
Statistics
In 1992, the FAA conducted 86,991 preemployment drug tests on job applicants who were to be engaged in safety and securityrelated jobs, and found that 1,143 were positive. (a) Construct a 95 percent confidence interval for the population proportion of
asked by Anonymous 
Algebra
1/4(7+3g)=g/8
asked by Anonymous 
12th grade
Find all real zeros of the function y= 3x+8
asked by Deja 
CAL
what is FTC? use ftc to evaluate a definite integral with basic integrand. f looking sign, integral bottom number 0 top number 2 (4x^3+1) dx=
asked by GbFT 
math
simplify the expression (4+7)x3 write the steps used to simplify.
asked by Kristyn 
DERIVITIVES!!HELP
if y=1/2ln(x^2+5), then dy/dx=
asked by Deven 
Trig
I'm really having a hard time determining an equation for a pendulum problem. It has to be in the form H(t)=asin[b(tc)]=d. I've already determined a=25, d=30 and b=pi/14 but I can't figure out how to get c (the phase shift). How do I figure out the phase
asked by Matt 
Calculus Theorem! !!!????
i don't understand this, Show that if G(x) is an antiderivitive for f(X) and G(2)=2 then G(4)=7+((integral))top number 4 lower number 2 f(X)dx its so confusing.? HELP. Thanks!!
asked by Anonymous 
physics
A clean glass capillary tube is held vertically in water raised to a height of 7cm. The tube is down depressed and only 5cm of its length is above water. What will be the angle of contact?
asked by Edwin 
accounting
Hutton Company uses a sales journal, a purchases journal, a cash receipts journal, a cash disbursement journal, and a general journal. The following transactions occur in the month of March: 1) Mar 2 Sold merchandise costing $300 to B !@#$%^&er for $450
asked by charmaine 
To CC
Here is the question you initially posted @ 10:22 last night (Sunday) with my responses. Here are the corrections I made. Check my arithmetic. http://www.jiskha.com/display.cgi?id=1269310966
asked by DrBob222 
PreCal(Please check!!!)
solve for r There is a right triangle with the hypotenuse as r , the angle as 45 degrees and opposite side as 20. I am having a hard time finding this out. I had tan 45 = 1.61 20(1.61) = 32.4 but this is wrong.
asked by Abbey 
Math
Nick has done 35% of his homework. He had been working for 28 minutes. How long will it take him to finish his homework?
asked by Hannah 
CALCULUS!!! tangent lines
If f(2)=4 and f'(2)=3, use the line tangent to the graph of f at x=2 to find a linear approximation for f(1.992) HELP! The only one I need, I need a Genius!!!!
asked by Anonymous 
Calculus, only two problems.
If g(x) is the inverse of f(x), g(x)=f^1(x), such that g(3)=5 and f'(5)=4 what is the value of g'(3)????? :O 2. If g(x)is the inverse of f(x), g(x)=f^1(x), such that f(3)=15,f(6)=3,f'(3)=8,and f'(6)=2. What is the value of g'(3)???????? Calculus
asked by JakeT 
stats
slot machines are now video games, with outcomes determined by random number generations. in the old days, slot machines were like this: you pull the lever to spin 3 wheels; each wheel has 20 symbols, all equally likely to show when the wheel stops
asked by steven 
MathDerivitives
if f(x)=x^3+5x, then f'(2)= if f(x)=cos(2x), then f'(pi/4) derivatives and anti derivatives please help
asked by AdrianV 
math
What is the divisibility rule of 11
asked by Abe 
Math
Use FTC to evaluate a definite integral with basic integrand (integral) bottom number 0, top #2 (4x^3+1)dx=
asked by Cassandra 
Teacher Aide
Where would you most likely find a token economy as a form of classroom management? A} RRP B} Contract approach C} Contingency management approach D} RIP approach
asked by liana 
Math
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. sec Q = 5 tan = 2sqrt6 a) cos Q b) cotQ c)
asked by Mark 
adult education
advantaages of social studies
asked by Anonymous 
science with planets
What was the planet last to be discovered out of these? 1.Mars 2.Mercury 3.Neptune 4.Pluto 5.Saturn 6.Uranus 7.Venus
asked by sierra (6th grade) 
vocabulary
glue:stick::thorns:
asked by Natalie 
Physics for life scince
III) The municipality of New York supplies 2 million cubic metres of water per month to the city of New York. If a household consumes about 30killolittres of water per month, estimate the number of residents in New York ,assuming that a household has five
asked by Simeon 
9th grade
soil dwelling insects are examples of invertabrates. explain why this statement is true and use examples of two soil dwelling insects
asked by emily 
biology
How could a substance that stops the sythesis of mRNA cause the liver to stop functioning(the death of liver cells)?
asked by jordan 
chemistry
Which of the following is a weak electrolyte in aqueous solution? a. acetic acid b. lithium acetate c. ammonium carbonate d. sulfuric acid e. calcium hydroxide
asked by zacky 
math
five names for 73
asked by kevin 
easy cal Q
lim x>a x^2+a^2/x+a I know this equals (a) but I don't know how to explain my answer.
asked by Chelsey 
english
using rhetorical devices write a passage(300 words) on a person, idea or ideology.
asked by pat 
algebra
how do you convert these 2 problems to slope intercept form? 2x=1y6 3x+3y=18
asked by caroline 
Math
What is the measure of the dent angle for a starshaped polygon with 8 points and a point angle of 20 degrees?
asked by Lyndse 
language mechanics
"this homemade ice cream tastes great"she exclaimed A); B)! C)? D)none is it (B)
asked by Anonymous 
Mathematics
I have the polynomial x^2+2x8 and when I tried to factor it, I just ended up confusing myself. Can anyone please help make sense of this?
asked by Crystal 
Chemistry
What does the study of the periodic table have to do with classification and prediction?
asked by Ash 
English
Can you please tell me if the following statements regarding school rules are correct? Thanks a lot. 1) You must: do your homework regularly, always bring your books to class, put up your hand if you want to ask your teacher a question or answer your
asked by Franco 
English
Are these two sentences good: The hall of mirrors gave me a confound feeling. Confound to throw into confusion or perplexity I told my mom that i was going to the movies but, she gave me one circumstance and that was to call her when i get there.
asked by Anna 
ScienceRepost
I just want to make sure if I'm correct; does this look correct to you? When all of the hydrogen of the Sun is used up, it will turn into a red giant. Is red giant correct?
asked by Sara 
English
I am working on my paragraph right now, and I need another better word instead of got out. I want to say, I got out of my dream, but I want it to be more sophisticated. Thanks
asked by Sara 
spanish
i do my homework in class.
asked by Anonymous 
math
Evaluate r+s/8 for r=20 and s = 20 20+20/8 40/8 answer is 5 is this correct?
asked by KiKi 
us history
Is there a good online source of information to compare and contrast the initial formation of two states—Virginia and Pennsylvania—by evaluating and listing the similarities and differences of the first state constitution for each state.
asked by Dave 
math
A storage area measures 12 feet 6 inches in width by 16 feet in length by 8 feet 3 inches in height. If it is 4/5 full, how many cubic feet of storage space remains (rounded to the nearest cubic foot)?
asked by bibiana 
math
what percent of 300 is 60 F)20% G)50% H)2% J)5% i think I'm just doing it wrong because i got (180) and then the 2 time i got (500) so do you mind telling me what Am doing wrong
asked by nick 
algebra
Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,
asked by Ross 
PreCal
solve for r There is a right triangle with the hypotenuse as r , the angle as 45 degrees and opposite side as 20. I am having a hard time finding this out. I had tan 45 = 1.61 20(1.61) = 32.4 but this is wrong.
asked by Hannah 
statistics
Find the indicated binomial probabilities. Round to the nearest 3 decimal places. In a local college, 20% of the math majors are women. Ten math majors are chosen at random. 1) What is the probability that exactly 2 are women? 2) What is the probability
asked by please help me! 
chemistry
Sam had 3 grams of aluminum to react with 16 grams of CuSO4 How many moles of pure copper could she recover
asked by Evan 
To Ms. Sue
Ms. Sue, I have to ask for your opinion on this. Which introduction sounds better. I awakened from my dream, and found myself to be sweating. I awakened from my dream sweating. I awoke from my dream with sweaty skin. I awoke from my dream with a thudding
asked by Sara 
chemistry
a gas is collected over water at 18 degrees celsius at a pressure 755mm. what is the partial pressure of the gas?
asked by finn 
math
Can some one help me with these two problems multiply and simplify by factoring ∜10000*∜100000 type exact answer, using radicals as needed 2) Rewrite with rational exponents (ã3mn)^3 the (mn) are included under the square root as well.
asked by jen 
Physics
1a. Two converging lenses, each of focal length 14.4 cm, are placed 60.6 cm apart, and an object is placed 26.9 cm in front of the first. Where is the final image relative to the second lens formed? b. What is the magnification of the system?
asked by Andrew 
Math
solve for r There is a right triangle with the hypotenuse as r , the angle as 45 degrees and opposite side as 20. I am having a hard time finding this out. I had tan 45 = 1.61 20(1.61) = 32.4 but this is wrong.
asked by Hannah 
physics
A vibrator attached and resting on the surface of water generates plane water waves and its propagation is found to take 50 seconds to reach a floating cork 65 cm away. If the cork subsequently vibrates with SHM of a period 3.8 seconds, determine the
asked by Edwin 
help me
I'm brown, I have two eyes and no ears. I'm brown on the outside and white on the inside.. What am I?
asked by sandy 
10th grade
The ultimate task of all the explorations launched by the Europeans from the fourteenth century onward was? A. finding a sea link between Europe and the wealthy civilizations of Asia. B. establishing European political dominion over all of Asia. C.
asked by Rosh 
ALGEBRA
Find a set of values for a and b that will result into a rectangular computer monitor with a diagonal (c) of 20".
asked by GGIFT 
ALGEBRA
Solve the equation SQRT(x+3) + 1 = 8; find the value of x.
asked by GGIFT 
ALGEBRA
Solve the equation SQRT(x+3) + 1 = 8; find the value of x.
asked by GGIFT 
science with planets
What is the planet that has faint rings and is SOMETIMES the farthest planet from the sun?
asked by sierra (6th grade) 
Physics for life scince
6.At the end of the 7th second the brakes are applied and the car slows down at a constant rate till it comes to rest in 5s. What is the acceleration? 7.Draw the v vs.t graph 8.find the final displacement: a)by using the graph b)by algebraic calculations
asked by Simeon 
science
How does the rainshadow effect happen?
asked by Claire 
world issues
which countries give money or military support to Syria?
asked by katie 
Math
Does (3x+4)/(v2) reduce to 3v2?
asked by Jimmy S 
Physics
Under what conditions will a 0.0300 kg marble and a 3.00 kg rock have the same gravitational potential energy other than zero
asked by Shelby 
spanish
How do you say when you want just call me in spanish?,, is cuando tu quierez riqht?
asked by kina 
Math
3/8 of the 40 little engines could climb the hill. How many engines were in each part? How many parts could climb the hill? How many engines could climb the hill? How many parts could not climb the hill? How many engines could not climb the hill?
asked by Malory 
math
how many seconds are there in 1 day?
asked by job 
math b
the function for the perimeter of a rectangle is given as P=4x+6 a) Give an expression for the length of the rectangle in terms of the width. b) If the width is half the length, state a function for both the width and length describing the domain for which
asked by phoebe 
math
the function for the perimeter of a rectangle is given as P=4x+6 a) Give an expression for the length of the rectangle in terms of the width. b) If the width is half the length, state a function for both the width and length describing the domain for which
asked by phoebe 
4th grade
what is the formula to find the area of a garden lot.
asked by towonna 
12th grade
Population: Patients at Toronto Hospitals(Population size 100,000) Topic: Quality of Service You are to conduct a survey on the above population to gather information upon the indicated topic. For this assignment, you must: 1.Describe a mutistage
asked by Anonymous 
ALGEBRA
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where
asked by GGIFT 
ALGEBRA
2. The equation D=2.2√ h gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a. Solve this equation for h. b. If Long’s Peak in Rocky Mountain National Park, is 14,275 feet in elevation, how far can you see
asked by GGIFT 
AP US History
how did j.p. morgan contributed to the industrialization of america and how they led to the rise of the united states as a world power?
asked by fabs 
physic12dymanics
A block is launched up the incline(coefficient of friction is 0.3) with an initial speed of 12m/s. What is the maxximum displacement of the block up the incline?
asked by sk 
physic12dymanics
A 5kg block slides down an incline of 25 degrees to the horizontal at a constant speed. a) what is the net force on the block? b) what is the magnitude of the friction force acting on the block? c) If friction was negligible and the block was accelerating
asked by sk 
math
three ways to do 14 and 20 in simplest form
asked by ratios 
english
what is a communication climate?
asked by stacii 
chemistry
a gas is collected over water at 18 degrees celsius at a pressure 755mm. what is the partial pressure of the gas?
asked by finn 
physics 12 dynamics
A 5kg block slides down an incline of 25
asked by sk 
Chem
I have a question on this question would I forgo the sqaure root on this on because there is no sqaure except on the products side which is 2HI? I am lost because I set up ICE then got to: 54=(4X0.09)^2/x*x Kc=[HI]^2/[x][x] At a particular temperature, Kc
asked by CC 
English
1. You can take the marker to the starting point. 2. You can put the marker on the staring point. 3. You can move the marker to the starting point. 4. You can put the marker on the word, Start. (At a dice game.... Are all the expressions grammatical?)
asked by rfvv 
math
\how do you write 33/75 in a decimal form
asked by \margie 
Poetry
What would be a good thesis statement for "MidTerm Break" by Seamus Heaney I've read it about 100 times and I've analyzed it a bunch of times and need help with at least two of the three prong thesis statement.
asked by Paul 
Math
What must be true for a pentagon so that it will tessellate a plane?
asked by Lyndse 
MathCalculus
i have to questions that just need to be checked on to see if i got them right. Lim x>infinity for both problems 10/x+10 is number one i got 0 for this one. or is it does not exist. lim x>infinity 6x/6x+5 for this one I got One. (1) is that correct.??
asked by Chelsey 
Science
Do guppies live in a herd, grove, alone, pairs, or colonies? Of what size? I have been trying to find this answer but its so broad and i need a little help. If you could also post the website where you found the information the would be great! thanks:)
asked by Rebekah 
microeconomics
Suppose that two people, Mary and John each live alone in an isolated region. They each have the same resources available, and they grow corn and raise pigs. If Mary devotes all her resources to growing corn, she can raise 200 pounds of corn per year. If
asked by ana 
Chemistry
why do elements within a group have similar chemical properties?
asked by Ash 
Biology
What are 3 ways that guppy fish interect (symbiosis,mutualism etc.) please provide a website:) thanks:)
asked by Rebekah 
Chemistry
I need help describing some periodic trends in the periodic table
asked by Ash 
math
5m  11 and 2m + 3=
asked by kell 
English
What are good sentences using the words: frivolous, coy and conceive Frivolous of little weight or importance; having no sound bases Coy shrinking from contact or familiarity Conceive to take into ones mind Using these definitions, can you come up with
asked by Anna 
Math
Find two functions f and g such that (f X g)(x) = h(x). ( There are many correct answers. My answers were f(x) = 4/5x and g(x) = 5x + 2 but this was wrong.
asked by Hannah 
Math
What rate would it take to double an object valued currently at $100 in 6 years? I would like to know the answer and the equation/steps taken to solve the problem.
asked by Andrew 
4th grade
what is heat
asked by khadija 
math
13+[22(7+3)] i got 16 A)25 B)21 C)31 D)47 E)none of these
asked by nicky 
math
a motorboat traveling with the curent went 68 miles in 3hrs and 24mins. against the current, it took 4hrs and 15 mins to travel the same distance. find the rate of the motorboat in calm water and the rate of the current.
asked by will 
scince
how much heat does the sun give yiu
asked by khadija 
math
5 4 2  +  +  9 9 9 F) 11  27 G) 2 1  9 H) 1 1  9 j) 2  9 K)none of these i got 11 3  or 1  9 9
asked by nicky 
business
How will you apply the knowledge you have gained about effective business communication in you current jobs and college courses
asked by tina 
Literacy
What types of questions are best for students comprehension?Defend your response and provide examples please help
asked by Anonymous 
English
I forgot to include a few more sentences I'm not sure of. Thank you. 1) You mustn't modify or change (?) the marks on your school report 2) You mustn't fake (Or counterfeit) your parent's or teacher's signature on your school report or (how do you call a
asked by Franco 
math
5 over 9 + 4 over 9 + 2 over 9 = i got 1 and 3 over 9
asked by nicky 
chem
How/ why are insoluble subtances soluble?
asked by koleh 
government
Which is not a longterm trend marking the expansion of suffrage in the US?
asked by fggg 
12
Can a ball have a volume and surface area that have the same numeric value (ignoring units)?
asked by Sarah 
U.S. History
Is there a good online source of information to compare and contrast the initial formation of two states—Virginia and Pennsylvania—by evaluating and listing the similarities and differences of the first state constitution for each state.
asked by John 
math
Find the slope of x=6 unsure where to start here can someone please help?
asked by KiKi 
Poetry
How can I explain the first five lines in the poem "Leaning Into The Afternoons" by Pablo Neruda? Leaning into the afternoons, I cast my sad nets towards your oceanic eyes. There, in the highest blaze my solitude lengthens and flames; Its arms turning like
asked by Troy 
math
70% of 70 is A)1 B)10 C)1000 D)100 E)none i got 100
asked by nicky 
Phlosophy
I have a 3 page paper due...well, yesterday, for my philosophy class. I don't understand any of it though. The question for my essay is: What is the Principle of Alternate Possibilities (PAP)? Explain the crucial role the Principle has played in
asked by Carolyn 
Poetry
What is one metaphor and one simile in the poem "Leaning Into The Afternoons" by Pablo Neruda? What do they mean and how do they aid what Neruda is trying to state in the poem?
asked by Troy 
Math(Please help)
Find two functions f and g such that (f X g)(x) = h(x). ( There are many correct answers. My answers were f(x) = 4/5x and g(x) = 5x + 2 but this was wrong.
asked by Hannah 
Economics
i need a topic for changes in supply, changes in demand and government policy and how can i apply ecomomic concepts to them?
asked by Kalree 
Chemistry
How do I find the emperical formula of 16.9% Fe3+ 39.7% C2O42 43.4% H2O
asked by Megan 
algebra
2. The equation D=1.2 square h gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a. Solve this equation for h. b. Long’s Peak in Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see
asked by kathy 
5th grade
NEED TO DO A POSTER ON DRUG FREE THATS ME, PLEASE GIVE ME A IDEA TO HELP ME OUT
asked by aNTOINE 
Illegal Drugs
2. CheckPoint: Introduction and Conclusion · Resource: Drafting Your Research Paper · Consider the components of an effective introduction and an effective conclusion outlined in Drafting Your Research Paper. · Write an introduction for your research
asked by Valentina Miozza 
physics
An alpha particle approaches a uranium nucleus as 1e6 m/s what is the closest this particle will get to the nucleus how do you set this problem up? thanks!
asked by James 
math
How do I get a fraction to it's simplest form?
asked by hayden 
geometry
Determine whether the triple of numbers can be the sides of a right triangle.
asked by simone 
bobpursley
Can you please answer my post? I haven't been getting mine answered lately... Thanks MC
asked by mysterychicken 
social studies
What country did General Douglas MacArthur fight Japanese troops for?
asked by Bella 
algebra
Find the equation for the line parallel to 2x+y=6 and passing through (2, 6). Justify your response.
asked by Michelle 
math
3 times a number is
asked by Issac 
human services
How does a human services worker integrate the use of mediation, or third party neutrality, when he or she also serves as an advocate for the client and is an employee of the agency?
asked by judy 
algebra
Find the equation for the line parallel to 2x+y=6 and passing through (2, 6). Justify your response.
asked by Michelle 
chemistry
nitrogen+hydrogen=ammonia
asked by Anonymous 
Math(Please check)
g(x) = (3/2)^x+2 I need to find the intercepts. My teacher told me to press trace on my graphing calculator to find them. I got x = 0 and y=3 everything else is decimals so is my answer just (0,3)?
asked by Abbey 
nutrition
What is the difference between simple and complex carbohydrates? How are sugars are broken down and used in the body? What are the benefits that carbohydrates provide to the body? I need help finding where I would find this infomation....I have found sites
asked by me 
Poetry
How can I explain the first five lines in the poem "Leaning Into The Afternoons" by Pablo Neruda? Leaning into the afternoons, I cast my sad nets towards your oceanic eyes. There, in the highest blaze my solitude lengthens and flames; Its arms turning like
asked by Troy 
algebra
Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,
asked by Ross 
math
(1/10 \ 1/2) * 3 + 1/5 for 1/10 \ 1/2 i got 1/5 but i don't know what to do with the rest 1/5 * 3 + 1/2= F)4/5 G)4/15 H)16/25 J)3 2/5 K)none of these what do i do
asked by nicky 
Physics
A car is driven 135 km west and then 40 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
asked by Aastha 
Physics
A car is driven 135 km west and then 40 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
asked by Aastha 
college
HOW DOES A PERSON AUTONOMY AFFECTS THEIR SENSE OF FREEDOM
asked by LISA 
11th grade
A wire 28 cm long is parallel to a 0.36 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire? What equation do you use?
asked by Physics 
Personal Finance
After a protracted legal case, Joe won a settlement that will pay him $11,000 each year at the end of the year for the next ten years. If the market interest rates are currently 5%, exactly how much should the court invest today, assuming end of year
asked by Linda 
grant preposals
Distinguish between a projectwide evaluation plan and an objectiveoriented evaluation plan.
asked by mark 
chem
In order for a precipitation reaction to occur the product must be insoluble. However in an experiment we formed precipitates of two compounds, KNO3 and NaCl which are soluble? How did this occur? What was the forcing condition in each case?
asked by kohel 
science
What would be the final temperature of a mixture of 50 g of 20 0C water and 50 g of 40 0C water. I'm really not sure how to do this do I need to convert 20 Celsius to Fahrenheit to start? what are the steps for this?
asked by Anonymous 
science
the municipality of Windhoek supplies 2 million cubic meters of water per month to the city of Windhoek .if a household consumes about 30kilolitres of water per month ,estimate the number of residents in Windhoek ,assuming that a household has five
asked by megameno 
calculus
d/dx of ln(t)/t i believe the answer is 1ln(t)/(t)^2 but i just want to make sure.
asked by Anonymous 
map
How do you draw a net duagram for a group of cubes???!!!
asked by Jacob 
transformations
Hi I just got my correspondence back and the following question is wrong. Explain how the graph of f(x)=x^24x can be used to obtain the graph of y=g(x). Could you explain so I can see where I went so wrong. Thanks for your time.
asked by Kerri Please help 
math
8
asked by KiKi 
sentences
What's a sentences for culture?
asked by priscilla 
Physics
Two infinitely long wires are separated by a distance of d = 1.4 meters. Both have current running in the positive y direction. A charge of q = +2.7 microCoulombs is moving in the positive y direction at v = 3.1 E 6 m/s a distance of r = 0.22 meters from
asked by Justin 
calculus
find an antiderivitive for integral(f looking sing)3/3x+4 dx
asked by GbFT 
us history
sequencing the louisiana purchase in order from aj
asked by alley 
Chemistry
What are some periodic trends among the following elements carbon, silicon,germanium,tin, and lead?
asked by Ash 
geometry
the perimeter of a rhombus is 36 inches. if the longer diagonal is 14 inches what is the length of the shorter diagonal of the rhombus?
asked by mc 
MATH!! Calculus inverses
if g(x) is the inverse of f(X), g(x)=f^1(x) such that g(3)=5 and f'(5)=4 what is the value of g'(3)??? HELP i just need this one.
asked by Dulce :) 
Math
Find two functions f and g such that (f X g)(x) = h(x). ( There are many correct answers. My answers were f(x) = 4/5x and g(x) = 5x + 2 but this was wrong. I do not know how to do this.
asked by Hannah 
physics
What vibrates in the following types of wave motions (i) light waves. (ii) sound waves. (iii) xrays.
asked by Edwin 
us history
how many troops were in the regular army at the start of war of1812
asked by akaash 
sentences
what's a sentence for whistle?
asked by priscilla 
FINANCE
Life for Kids Company, a small producer of plastic swimming toys, wants to determine the most it should pay to purchase a particular ordinary annuity. The annuity consists of cash flows of $700 at the end of each year for 5 years. The firm requires the
asked by JUNE 
Socials Studies
The royal charter gave the HBC "exclusive" trading rights in a vast area of Canada. What is meant by "exclusive trading righters"? Can someone please help me. Thanks very much.
asked by John 
math
what is the perimeter of an rectangle if it's length is 40 units and it's width is half it's length?
asked by vickey 
calculus
find the length of the curve;x^2=a^2(1e^(y/a))measured from(0,0) to(x,y) is a log(a+x/ax)x.
asked by Anonymous 
maths
exact value for tan(7pi/6 radians)
asked by Luke 
algebra
help with week 8 word problems in mat116
asked by cynthia 
PreCal(please check)
I have to find the width of a river which is represented by a right trianle. The opposite side is labeled w and the adjacent side is 1oo ft. Theta is 54 degrees. Would my equation be opp = adjacent/cos(54)?
asked by Hannah 
physics
A car approaches the top of a hill that is shaped like a vertical circle with a radius of 58.2 m. What is the fastest speed that the car can go over the hill without losing contact with the ground?
asked by Anonymous