Questions Asked on
December 15, 2011

physics
Julie carries an 8.0kg suitcase as she walks 18 m along an inclined walkway to her hotel room at a constant speed of 1.5 m/s. The walkway is inclined 15 degrees above the horizontal. How much work does Julie do in carrying her suitcase?
asked by cheryl 
algebra
A jogger ran 6 miles, decreased her speed by 1 mile per hour and than ran another 7 miles. If total jogging time was 2 1/42, find speed for each part of her run.
asked by ty 
physics
How much centripetal force is needed to keep a 0.20 kg ball on a 1.50 m string moving in a circular path with a speed of 3.0 m/s?
asked by Anonymous 
Chemistry
when 25.0 mL of a solution containing both Fe2+ and Fe3+ ions is titrated with 23.0 mL of 0.0200 M KMnO4 (in dilute sulfuric acid). As a result, all of the Fe2+ ions are oxidized to Fe3+ ions. Next, the solution is treated with Zn metal to convert all of
asked by Albert 
Electric Power Tools
I need help with my test, I don't know if they are all right or not. I answered the questions to the best of my ability. My answers are marked with an *. 1. What is the typical noload speed of a highspeed drill? A. 1,000 rpm *B. 2,500 rpm C. 3,000 rpm D.
asked by Joe 
geometry
what is the resultant of the two vectors as an ordered pair? and 5,5> Thanks
asked by Cindy 
physics
9. The surface of the earth is approximately 6,400 km from its center. If the mass of the earth is 6.0 x 1024 kg, what is the acceleration due to gravity near the surface?
asked by Anonymous 
ELA foreshadowing
what lines are foreshadowing I fear, too early: for my mind misgives Some consequence yet hanging in the stars Shall bitterly begin his fearful date With this night's revels and expire the term Of a despised life closed in my breast By some vile forfeit of
asked by ADAM 
geometry
I totally don't understand Vectors How do you describe a vector as an ordered pair? on the x and Y where they cross it is 41 degrees and goes to the left up to the y 77 I am totally confused Help
asked by Cindy 
Government
Most members of congress are: A. concerned with national issues,but even more concerned with local ones. B. controlled by specialinterest groups. C. interested only in the work of the subcommittee on which they serve. D. opposed to the seniority system.
asked by Calvin 
Physics Physics Physics...
A billiard ball traveling at 3.8 m/s has an elastic headon collision with a billiard ball of equal mass that is initially at rest. The first ball is at rest after the collision. What is the speed of the second ball after the collision?
asked by LaResha 
Chemistry urgent!
When a solution of sodium oxalate (Na2C2O4) is added to a solution of lanthanum (III) chloride, lanthanum oxalate (molar mass 541.86 g/mol) The balanced net ionic equation for the reaction is: 3C2O4^2 (aq) + 2La^3+ (aq) > La2(C2O4)3 (s) Thirty ml of
asked by Gabby 
Anthropology
Which of the following is not an example of the type of work applied anthropologists do? Applied anthropologists : a)help to develop various programs associated with health care b)help to develop businessmen and corporations solve production and supply
asked by TAYLOR M B 
3rd Grade Math
"Tommy has 16 toy trucks. How many different arrays can he make with all the trucks?What are the arrays?"
asked by Pam 
Physics
Calculate the position of the center of mass of the following pairs of objects. Use a coordinate system where the origin is at the center of the more massive object. Give your answer not in meters but as a fraction of the radius as requested. Get data from
asked by Lindsay 
physical science
At noon on September 21, the Sun is directly overhead at a latitude of
asked by Fonda 
algebra
hooke's law the distance d when a spring is stretched by a hanging object. if the distance is 14cm when the weight is 4kg what is the distance when the weight is 9kg The distance is
asked by karon 
physics
How much centripetal force is needed to keep a 0.20 kg ball on a 1.50 m string moving in a circular path with a speed of 3.0 m/s?
asked by Anonymous 
physics
A bullet with mass m = 5.21 g is moving horizontally with a speed v=367 m/s when it strikes a block of hardened steel with mass M = 14.8 kg(initially at rest). The bullet bounces o the block in a perfectly elastic collision. (a) What is the speed (m/s) of
asked by Sarah 
Chemistry
Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine the composition in mole fraction of
asked by Mika 
physical science
A car traveling at 30 mph can stop in about 100 ft. How far does it take for the same car to stop if it is traveling at 60 mph?
asked by Fonda 
chemistry
Calculate the approximate volume of a 0.600 mol sample of gas at 15.0 degrees C and a pressure of 1.10 atm.
asked by clint 
science
what do gravitational,magnetic and electostatic forces have in common?
asked by jill 
math
An opentopped box is made from a rectangular piece of cardboard, with dimensions of 24 cm by 30 cm, by cutting congruent squares from each corner and folding up the sides. Determine the dimensions of the squares to be cut to create a box with a volume of
asked by Melinda 
Anthropology
If a friend were to say, “ He’s the president of the college” the term “president” would refer to an: a)status b)role c)social situation d)social relationship e)social interaction a group ranked in a system of social stratification into which
asked by TAYLOR M B 
Anthropology
Lecture, desks, class hours, and writing boards are all part of the class: a)stratification b)rank C)social situation d)status e)role The term mana is best defined as: a)a member of hierarchy of priests b)the implements used in magical ceremonies c)a
asked by TAYLOR M B 
physics
An archer shoots an arrow horizontally with an initial velocity of 100 meters per second from a building that is 20 meters high. (air resistance is neglected) a. Calculate the time when the arrow is in the air. b. Find the horizontal distance the arrow
asked by Anonymous 
Algebra
your school club decides to hold a fundraiser by selling trail mix, and you are in chrage of making the mix. You plan to offer two mixes, Country Blend and Premium Mix, each sold in one pound bags. Each pound of Country Blend consists of 1/2 pound of
asked by Someone 
physics
eric has a mass of 60 kg. he is standing on a scale in an elevator that is accelerating downward at 1.7m/s^2. what is approximate reading on the scale?
asked by alejandra 
Spanish
1. ¿Dónde estuvieron tus padres ayer? Mis padres estuvieron en la casa. 2. ¿Anduvo ty papá en bicicleta ayer? Sí, mi papa anduvo en bicicleta ayer. 3. ¿Anduviste en bicicleta ayer? Sí, yo anduve en bicicleta ayer. 4. ¿Cuánto dinero tuviste ayer?
asked by Mia 
geometry
Point M is the midpoint of AC. Find its coordinates. (1 point)(b + c, d) (a + c, d) (2c + 2c, d) (2b + c, d) 2. Point N is the midpoint of BC. Find its coordinates. (1 point)(b + c, d) (a + c, d) (2a + c, d) What theorem do Exercises 14 prove? (1
asked by brooklynn 
geometry
which triangle congruence theorem explains why all triangles are rigid? is it SSS, SAS, ASA, or AAS?
asked by Brianna 
math
A person standing on the roof of a building throws a ball directly upward. The ball misses the rooftop on its way down and eventually strikes the ground. The function s(t) = −16t2 + 64t + 80 describes the ball’s height above the ground, s(t) , in feet,
asked by faith 
Math
Five employees at the Wild Fowl Publishing Company each come to work by a different one of five means: car, railroad, subway, and walking. They hold these positions at the company: art director, editor, publisher, receptionist, and secretary. Two of them
asked by Mike 
geometry
I have to find the missing value to the nearest hundreth for Cos__=9/20 Help please
asked by Cindy 
verb usage
In the sentence: The Romans,too, ceremonial dancing to Italy from Greece, used it in theatrical performances. The answers are: a.Have brought, b.having brought, c.brought, d. had brought. I think the answer is b. having brought but am not sure. If
asked by ron 
Psychology
The Institutional Review Board is a university or college committee that a. evaluates proposals and awards grant $ to researchers b. evaluates the methodological soundness of research proposals c. evaluates the ethical soundness of research d. all of the
asked by Anonymous 
Calculus
Identify the open intervals on which the graph of f(x)=3/(x^2+12) is concave up and/or concave down. Please give in interval form.
asked by Ashley 
math
two equal squares, ABCD and DEFG, have the vertex D in common. The angle between the two squares is 60 degrees: what is the angle ACF?
asked by Anonymous 
science
How many protons, neutrons, and electrons does a neutral atom of calcium have?
asked by Levi 
critical thinking
how can i go about answering the rest of the question. can you give me examples i can use? thank If being part of a group and seeking and obtaining status in that group lead to individual success, what’ s wrong with herdinstinct? Explain in detail,
asked by Anonymous 
Physics
A car of mass 1550 kg is travelling at 75.0 km/h on a dry horizontal concrete surface when the driver applies the brakes licking the wheels. (a) How far does the car travel before coming to rest? (b) How long does it take the car to stop after the driver
asked by Kobz 
math word problem
what is the least number of dancers that are needed if a choreographer wants to arrange them in groups of 4,5, or 6 with none left? im not understanding the question. can you help?
asked by marko 
physical science
Which of the following four bodies has the greatest kinetic energy? a. A body of mass 1 kg moving with speed 1000 m/s. b. A body of mass 2 kg moving with speed 50 m/s c. A body of mass 3 kg moving with speed 50 m/s d. A body of mass 50 kg moving with speed
asked by Fonda 
statistics
the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score that a student can
asked by Anonymous 
economics
Write a 300  400 word essay explaining the advantages and disadvantages of international trade. Some possible areas to use are comparative advantage, gains from trade, and trade restrictions. Explain three advantages of international trade and explain
asked by LeWeane 
PreCalcPlease check answer
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence 1/5,1/20,1/80 this was a geometric sequence so I said a(subscript10) =
asked by Sandra 
physical science
A small car with a weight of 2000 lb traveling at 30 mph can stop in about 100 ft. How far does it take for a large SUV weighing 8000 lb to stop if it is also traveling at 30 mph?
asked by Fonda 
Math
For a 3person relay race, a coach can choose from 4 of his top runners.how many different 3 person teams can he choose ? Use the act it out strategy.
asked by Tais 
physical science
An azimuth angle of 135 degrees would correspond to:
asked by Fonda 
phys
How many kcal of heat are required to vaporize 25.0 kg of water at 100C?
asked by Dennis 
alegebra
if a rectangular pen for dogs has an area of 480 square meters, and the length of the pen is 2.4 meters, what is the width of the pen??
asked by Carly 
SpanishCheck ansswers please
1. ¿Dónde estuvieron tus padres ayer? Mis padres estuvieron en la casa. 2. ¿Anduvo ty papá en bicicleta ayer? Sí, mi papa anduvo en bicicleta ayer. 3. ¿Anduviste en bicicleta ayer? Sí, yo anduve en bicicleta ayer. 4. ¿Cuánto dinero tuviste ayer?
asked by Mia 
psy
On p. 84 of the text, in the Thinking Clearly section, the conduction action potentials and activation of neurotransmitters is related to a row of mousetraps on a wobbly shelf. Think of another analogy you can use to describe the conduction of action
asked by lisa 
Math: Linear Equations
What is "3x=9" in y=mx+b form, and what is its slope, yintercept, and xintercept? [i think that its xintercept is (3,0), but i'm not sure about any of the others] Also, what is the xintercept of "2y+16=0"? [is it "none"?]
asked by Cicilia 
physics
radius of the earth = 6.37 × 10^6 what is the speed of a 90.6 kg person at the equator? I know that F=m(v^2/r) but I don't know the force. Is there another equation that I'm missing or I'm using the wrong one? Thanks
asked by Tim 
SCIENCE
I have a wanted poster to make on: mad cow disease and I need to find a picture of bacterium or virus and "label" the parts. I am having trouble finding a picture that labels parts. Can you help me with this?
asked by marko 
Psychology
human areboth creature and creators of their personal and social world. what does that mean.
asked by Delores 
mth
A popular new secretary at the law firm of Farnsworth, Newman, O’Malley, Price, and Reynolds, is taken to lunch by a different one of those five men on each of her first week on the job. Each man took her to eat at a different one of these five types of
asked by Mike 
english
Regarding the letter "Partisan Politics must end": Not only was U.S. Rep. Candice Miller against President Obama's jobs plan, but so were Republican members of Congress, as well as a significant number of congressional Democrats who also refused to vote
asked by Anonymous 
math
Five employees at the Wild Fowl Publishing Company each come to work by a different one of five means: car, railroad, subway, and walking. They hold these positions at the company: art director, editor, publisher, receptionist, and secretary. Two of them
asked by mike 
Government
The major function of congress: is it. to inform the people or enact legislation.
asked by Calvin 
Math: Linear Equations
What is "3x=9" in y=mx+b form, and what is its slope, yintercept, and xintercept? [i think that its xintercept is (3,0), but i'm not sure about any of the others] Also, what is the xintercept of "2y+16=0"? [is it "none"?]
asked by Cicilia 
algebra
a ball is thrown downward from the too of 110 ft bldg with an initial velocity of 14ft per second. the height of ball h after t seconds is given by the equation h = 16t^214t +110. how long after ball is thrown will it hit the ground
asked by kai 
science
what spheres might be affecred by a hurricane?
asked by Gabby 
Critical thinking PLEASE HELP I'm STUCK
"I
asked by Anonymous 
trigonometry
Use the given information to solve the triangle. 1) C = 145 degrees, b = 4, c = 14. 2) A = 150 degrees, C = 20 degrees, a = 200.
asked by Britt 
math
what percent of the current number of states had joined the united states by the year 1863? 1792  15 1817  20 1836  25 1848  30 1863  35 1889  40 1896  45 1959  50
asked by Sean 
Physics
A whistle of frequency 490 Hz moves in a circle of radius 2.00 ft at an angular speed of 15.0 rad/s. What are the lowest and the highest frequencies heard by a listener a long distance away at rest with respect to the center of the circle?
asked by Kyle 
English
"Out of spite, the human being pretended not to believe that it was Snowball who had destroyed the windmill…The animals knew that this was not the case." What kind of Irony is this?, Situational,Dramatic, or Verbal
asked by Ali 
chemistry
what is some background on the ideal gas constant R
asked by yo 
Physics Please
A tennis player places a 51 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.067 kg tennis ball horizontally with a velocity of 33.4 m/s toward the north. What is the final velocity of the machine?
asked by Rosalia 
Algebra
c=6350/(4253x) What is the cost and equation to remove 99% of the pollution in the pond?
asked by Chelsea 
math
A popular new secretary at the law firm of Farnsworth, Newman, O’Malley, Price, and Reynolds, is taken to lunch by a different one of those five men on each of her first week on the job. Each man took her to eat at a different one of these five types of
asked by Bob 
Algebra
You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%
asked by Kimberly 
Airplane & Radar
(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr,
asked by math 
physics
What is the pressure at the bottom of a river (12 m deep) if the air pressure over the river is 98.23 kPa? The density of the river water is 988 kg/m3.
asked by dan 
physics
What is the pressure at the bottom of a river (12 m deep) if the air pressure over the river is 98.23 kPa? The density of the river water is 988 kg/m3.
asked by dan 
Physics
The 17500 Hz whine of the turbines in the jet engines of an aircraft moving with speed 280 m/s is heard at what frequency by the pilot of a second craft trying to overtake the first at a speed of 380 m/s?
asked by Kyle 
physics
a .65 kg ball is attached to the end of a string. it is swung in a vertical circle with a radius of .50 m. at the top of the circle its velocity is 2.8 m/s.
asked by dave 
English
What are three ways to save money for your school? (Besides canceling field trips)
asked by Shanda 
algebra 2
If y = 2x  1 and (3, 5) and (4, 7) are part of the pattern then what is the y coordinate of (5, __ )? Answers available in ... 10Take this time to do your best on this question. Answer:
asked by Anonymous 
PreCal
Suppose è is an acute angle of a right triangle. For this function, find the values of the remaining five trigonometric functions of è. Round to four decimal places. sin è = 0.1 cos è = tan è = cot è = csc è = sec è =
asked by Kelley 
Algebra
You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%
asked by Kimberly 
math
explain how would you write 5/6 as a percent?
asked by nyomi 
physical or mental verbs
She approved the proposed marriage==this would be a physical verb right
asked by Tasha 
geometry
A parking lot has seventythree parking spaces numbered from 1 to 73. There are no cars in the parking lot when Jillian pulls in and randomly parks. What is the probability that the number on the parking space where she parks is greater than or equal to
asked by Janelle 
math
a 3'' times 5'' photo is enlarged so that the length of the new photo is 7 inches. what is the width of the new photo?
asked by icabob 
Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(4253x) . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. Can someone tell me how figure this out step
asked by becca 
math
what is equivalent to 98% o.49 or 100/98 or o.98 or 49/100
asked by bob 
Physicss....
Two carts with masses of 4.24 kg and 2.22 kg move toward each other on a frictionless track with speeds of 4.55 m/s and 3.16 m/s respectively. The carts stick together after colliding headon. Find the final speed.
asked by Marie 
geometry
I am totally stuck again.. I am trying to find the value of X Triangle with square in right top corner with legs to the left and right and the base at the end with number 9 under it and number 7 on the left side of the triangle. Help please
asked by Cindy 
Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(4253x) . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. Can someone tell me how figure this out step
asked by JOSHUA 
Algebra
c=6350/(4253x) What is the cost and equation to remove 99% of the pollution in the pond?
asked by JOSHUA 
now for my physics hw..
A railroad car with a mass of 1.99 104 kg moving at 2.80 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.52 m/s. (a) What is the speed of the three joined
asked by Kelley 
physics
A light spring of constant k = 156 N/m rests vertically on the bottom of a large beaker of water (Fig. P9.34a). A 4.10 kg block of wood (density = 650 kg/m3) is connected to the spring and the blockspring system is allowed to come to static equilibrium
asked by Ben 
Math
Given the hyperbola[(x+3)^2/4][(y1)^2/9]=1,find the equations of the asymptotes.
asked by Alexis 
PreCalcPlease check
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2. Find the 10th term of the sequence 1/5,1/20,1/80 this was a geometric sequence so I said a(subscript10) = 1/5*1/4^(101) =1/5*(1/4)^9 = 1/5*1/2621444
asked by Sandra 
Math
Five employees at the Wild Fowl Publishing Company each come to work by a different one of five means: car, railroad, subway, and walking. They hold these positions at the company: art director, editor, publisher, receptionist, and secretary. Two of them
asked by Bob 
Algebra I
lauren has 40 coins all together, all dimes, nickles, and quarters they equal $4.50 and he has 7 more dimes than nickles, how many quarters does he have
asked by Danielle 
science
What types of sever weather can be investigated by radar?
asked by Gabby 
math
what is 2/100 as a percent and a decimal?
asked by tf 141 
calculus
How do I integrate x(arctanx) dx? Is it some sort of integration by parts? Can you please show steps? Thanks in advance!
asked by W 
math estimating w/fractions
can you check my answers: estimate w/mixednumbers: 8) 9 1/11  3 7/9 i got: 9  4 = 5 9) 4 1/2  1 24/25 i got: 4  2 = 2 12) 9 8/10 + 8 2/10 i got: 10 + 8 = 18 14) 4 5/9 + 5 9/10 i got: 4 + 6 = 10
asked by marko 
gotta have answer by 11:59 tonight!!!
A railroad car with a mass of 1.99 104 kg moving at 2.80 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.52 m/s. (a) What is the speed of the three joined
asked by Kelley 
chemistry
what is some background on the ideal gas constant R
asked by yo 
Math estimating product
18) 5 2/9 * 4 9/10 i got: 5 * 5 = 25 20) 1 7/10 * 8 1/12 i got: 2 * 8 = 16 22) 5 3/4 * 2 2/3 i got: 6 * 3 = 18 24) 5 4/5 * 9 1/2 i got: 6 * 9 = 45 are these write?
asked by marko 
College Algebra
using the knowledge of systems of equations, and that the equation of a circle is (xh)^2 + (yk)^2 = r^2, where (h,k) is the center and r is the radius. Find the equation of a circle that contains the following points: (6,2), (4,6), and (3,5). (These 3
asked by Kevin 
Math estimate each quotient
26) 36 1/3 divide by 4 2/5 i got: 36 divide by 4 = 9 28) 8 2/12 divide by 8 2/7 i got: 8 divide by 8 = 1 are these right?
asked by marko 
College Algebra
using the knowledge of systems of equations, and that the equation of a circle is (xh)^2 + (yk)^2 = r^2, where (h,k) is the center and r is the radius. Find the equation of a circle that contains the following points: (6,2), (4,6), and (3,5). (These 3
asked by Kevin 
English
Do I need a comma in this sentence or can it be improved on? This dream signifies Gabriel’s hope for Roy to follow in his footsteps and become a religious figure like him.
asked by joe 
books
what does it mean war is peace from the novel 1984?
asked by nancy 
chem
How many grams are in 3.6 moles of agcl2?
asked by bob 
Calculus
find the second derivative of f(x)=3/(x^2+12)
asked by Kelsey 
Anthropology
Magic according to Malinowski in ( cited in “Baseball Magic “) occurs in response to : a)anger b)frustration C)anxiety d)social pressure e)none of the above
asked by TAYLOR M B 
algebra
2x^28x+2=0
asked by lexi 
Math
How many equal groups can 24 flowers be put into?
asked by Sareena 
Anthropology
An anthropologist might argue that the ruby slippers worn by Dorothy(Judy Garland) in the movie the Wizard of Oz would bring a high auction price b/c some North Americans believe the shoes: a)were used by a trickster b)are inhabited by a poltergeist c)have
asked by TAYLOR M B 
Anthropology
A group gathering for a marriage ceremony provides an example of which supernatural function? a)the euphoric function b)the revitalizing function c)supportive function d)all the above Anthropologists first began to explore the supernatural beliefs and
asked by TAYLOR M B 
socials
Thanks for the welcome ms. sue :) so happy to be able to post again. what other political groups have used the methods that FLQ used to forward their cause? i only come up with Talibans, IRA, Alkida. I not know any others. what similarity they have to FLQ?
asked by Mohammad 
physics
how to solve proper time interval?Proper length? thank you:D
asked by Meg 
Spanish
My teacher in spanish one gives ridiculous word searches. They are hugmongous and I need help to find the answers
asked by Rebeca 
Math grade 6
Evaluate 4x for each value of x. write the answer in simplest form. x = 3/8
asked by Jay 
Spanish
I had to write a paragraph about my last birthday and what movies and people I saw last week 1.Vi a mis hermanos la semana pasada. 2.Vi a mis primos la semana pasada. 3.Vi la película Star Wars la semana pasada. 4.Yo recibí mucho dinero para mi último
asked by Mia 
SpanishPlease check this one also
I had to make up questions using the past tense of decir,querer, hacer 1. ¿Qué dijo el doctor ayer? 2. ¿Qué hicieron los profesores ayer en la escuela? 3. ¿Quisiste mirar la pelicula ayer? 4.Tú quisiste un coche nuevo? 5. ¿Tú quiciste la tarea
asked by Mia 
computer science
write a quiz programs in Q Basic to ask 5 questions to the user and calculate the score
asked by vishva 
nutrition
How can I know the RDA (recommended dietary allowance) for nutrients other than minerals and vitamins? Is there suck a thing?
asked by Nicole 
maths
prepare an assignment on pratical applications &corelatives of implementation of discounts. sales tax and vat in steps of c.i &s.i in bank &post office
asked by vishva 
socials
what was the war measures act? this definition i got but i don't quite know what it mean. Act of the canadian parliament that gave the federal cabinet emergency powers. does that mean that people get arrested without a reason? and i not think that the
asked by Mohammad 
physics
What is the velocity of a 100 g ball on a 50 cm string moving in a horizontal circle that requires a centripetal force of 1 N?
asked by Anonymous 
algebra
3x^25x+1=0
asked by amy 
math
how do you find ratios?
asked by sunny 
physics
The speed of a truck going south is reduced from 80 km/h to 44 km/h in a distance of 250 m. Calculate the following: a. the time elapsed b. the acceleration c. the distance it traveled before it is brought to rest from 44 km/h
asked by Anonymous 
physics
A ball is thrown with an initial velocity of 20 meters per second at an angle of 60° with the horizontal ground surface. Find the following: a. the horizontal velocity of the ball b. the ball’s initial vertical velocity c. the range of the ball d. the
asked by Anonymous 
introductory physics
A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the block as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is
asked by Jessie 
ethnics
how might the country best prepare for the changing race and ethnicity of its current and future citizens?
asked by jeannie 
English
1. What if I ran for Congress? 2. What if I run for Congress? 3. What if you were very rich? 4. What if you are very rich? 5. What if you had been very rich? (Which one is grammatical? Are #1 and #2 in subjunctive mood? Are they talking about the past or
asked by rfvv 
algebra 1
Evaluate: 2m^2(np) when m=3, n=2, p=4
asked by rachel 
Calc
find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis y=x^2+1; y=9x^2; about y=1
asked by Ashley 
calculus
DERIVATIVE of: g(x) = Sq.root of x^48x^3+9 thanks
asked by iain 
socials
What political party develop in quebec as consequence of quebec separatist movement? they have any political success? That be parti quebecois? Yes they have political success. Lots people vote for this party after Levesque reassured Quebeckers that voting
asked by Mohammad 
math gcf
what is the gcf for 84 and 126 a. 42 b 21 c 18 d 7 i got: 42 is that right?
asked by marko 
calculus
Derivative of: h(x) = e^3x+2/e^3x2 thanks
asked by iain 
math
find equivalent fractions with a common denominator and order from least to greatest 3/7 ,1/9 ,2/3
asked by sami 
math word problem 2
the jerseys of the members of one team are numberes 01 to 42. how many jerseys contain the digit 0? a 9 b 10 c 12 d 13 i got: 13 jerseys is that right?
asked by marko 
trig (precal class)
Suppose è is an acute angle of a right triangle. For this function, find the values of the remaining five trigonometric functions of è. Round to four decimal places. sin è = 0.1 cos è = tan è = cot è = csc è = sec è =
asked by Allison 
algebra
Find the future value of an ordinary annuity. Payments are made and interest is compounded as follows: R=600 7% interest compounded quarterly for 5 years I set this up as follows and still am getting the wrong answer: 500 (1.07)^51/0.07 Please help!!
asked by Beth 
geometry
a slide 5.4 meters long makes an angle of 29 degrees with the ground. How far above is the top of the slide?
asked by ashley 
pre calculus
I have worked this over and over still think it's wrong. find its inverse, domain, and range of f and f^1 f(x) = 5/ (3x 7)
asked by anon 
socials
what be decided in 1980 quebec referednum about? what the result? Levesque aske Quebeckers to vote yes to giving his government permission to discuss a new agreement with canada based on soverignty association. he propose that quebec become politically
asked by Mohammad 
prealgebra
Can you help me figure this? The area of a rectangle is 14 square meters. Find the length and width of the rectangle if it's length is 5 meters greater than its width. Use an equation and the formula for the area of a rectangle=(width)(length). Thank you.
asked by shyloh 
math
how do i write 94.6 as a fraction
asked by christian 
English
Introduction about whether violence is from nature or nurture
asked by Reham 
calculus
What is the DERIVATIVE of: ln x^2 * ln 6 (product rule)
asked by iain 
math
What does it mean when an arrow follows a division problem?
asked by Dakota 
socials
I try to post and see if work. It happen to me like this that one day I be able to post the other day not. That so weird. Thanks for help with my assignments days ago ms. sue. I ask my sister to post them for me my computer not work for Jiskha. If this be
asked by Mohammad 
chem 1
what is the electron configuration of Iron (metal) ? what is the 0rbital notation?
asked by Deven 
physical Science
A 1 kg object requires 10 N of force to lift it 5 m from the bottom of a well. (use g = 10 m/s2). The object is then dropped. What is the total energy when the object has fallen halfway down the well (2.5m)?
asked by Fonda 
calculus
Find the DERIVATIVE: h(x)= e^3x+2/e^3x2 (quotient rule)
asked by iain 
physical science
A 1 kg object requires 10 N of force to lift it 5 m from the bottom of a well. (use g = 10 m/s2) What is the kinetic energy when the object has fallen halfway down the well (2.5m)?
asked by Fonda 
physical science
An object on a flat frictionless table has a net horizontal force of 10 N exerted on it. What type of motion would the object have?
asked by Fonda 
Chem
calculate the mass in grams of carbon needed to produce 160 grams of CO2 burning. C + O2 > CO2
asked by Amber 
physics
Compare the force of gravity acting on a 1.0kg box and a 2.0kg box.
asked by Breeana 
math
how do you figure 4 1/2 to 1 3/10 ration as a fraction in lowest terms?
asked by tina 
math
mrs. cooper's class has 11 more girls than boys. there are 35 students in all. how many girls are there?
asked by viri 
socials
Did the quebec separatists had a reasonable complaint with federal government and rest of Canada? Would that be true because they not respecting their culture. They only giving importance to their own culture and not caring about French.
asked by Mohammad 
physics
Compare the force of gravity acting on a 1.0kg box and a 2.0kg box.
asked by Breeana 
math
The completion of each license plate is tested to see if the values random. Create an nary relation â€“ in table form â€“ that depicts possible results of ten license plate outputs. Include the following results: â€¢ â€¢ Number â€¢
asked by Anonymous 
infinitivesenglish
I have answered these questions, but when it comes to the "functions" of the infinitives i get a little stuck.. can you please check the answers that i've chosen? thanks in advance! Identify the function of the infinitive in the sentence. Choose from the
asked by Sherri 
Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 119.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it
asked by Olivia 
Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 119.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it
asked by Olivia 
Spanishanother question
I had to write a paragraph about my last birthday and what movies and people I saw last week 1.Vi a mis hermanos la semana pasada. 2.Vi a mis primos la semana pasada. 3.Vi la película Star Wars la semana pasada. 4.Yo recibí mucho dinero para mi último
asked by Mia 
English
Please Help If I get information from one web site and that web site use information from another web site in citing reference do I use only the first web site or both. I wont get a grade if I don't get it right. ASAP Thank You
asked by Lorraine 
calculus
How can we verify area of square and rectangle by calculus ?
asked by Abay 
physics )':
A 66.5 kg ice skater moving to the right with a velocity of 2.80 m/s throws a 0.16 kg snowball to the right with a velocity of 20.4 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction
asked by Allison 
Chem
When 30.0 grams of aluminum reacts with HCl how many grams of aluminum chloride are formed? Al = HCl yields AlCl3 + H 2
asked by Amber 
algebra
submarine is 7500 meters below, surfaces at rate of 80 meters per min. depth of sub after m minutes is given by d(m) = 7500 + 80m a. please give range for this function i thought 7500, is this correct? thanks b. make a table for graphing this function/
asked by ann 
french
crossword question on la met dans un classeur? 7 letters _e_ _ l _ e
asked by td 
Chemistry
What is the pH of a 0.125 M solution of a weak base if ∆H° = 28.0 kJ and ∆S° = 175 J/K for the following equilibrium reaction at 25°C: B (aq) + H2O (l) ↔ BH+ (aq) + OH (aq)
asked by Mika 
math
Set up an algebraic equation for this problem:When Brett and his younger sister add their ages together the sum in 17. Brett is not a teenager yet. In fact his age is not even a twodigit number. How old is Brett's sister?
asked by Lucy 
Chem
what mass of KCl in grams is formed with 20 lbs of KClO3 is decomposed KCl03 yields KCl + O2
asked by Amber 
calculus
I don't quite understand Cartesian equations. I am told to Eliminate the parameter to find a cartesian equation of the curve. X= 3  4t, y= 2  3t there is no inequality I don't understand what I am trying to find.
asked by Daniel 
algebra
10cm2 of a normal specimen of human blood contains 1.2g of hemoglobin how many grams does 47cm3 of the same blood contain
asked by karon 
Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(4253x) . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. Can someone tell me how figure this out step
asked by Ashley A. 
english
radical skeptic might be willing to doubt which of the following
asked by Anonymous 
algebra
a ball is thrown downward from the too of 110 ft bldg with an initial velocity of 14ft per second. the height of ball h after t seconds is given by the equation h = 16t^214t +110. how long after ball is thrown will it hit the ground
asked by kai 
Algebra
c=6350/(4253x) What is the cost and equation to remove 99% of the pollution in the pond?
asked by Jema 
Algebra/ Chemistry
Q (ft3/min) : 3.9, 7.9, 11.8, 15.7, 19.6, 23.6, 27.5, 31.4, 35.3, 39.3 Delta P (psi): 0.13, 0.52, 1.18, 2.09, 3.27, 4.71, 6.41, 8.37, 10.59, 13.08 My professor gave the information above and wants us to come up with a linear equation that relates Q and
asked by Angel 
Question
What is National Merit Scholarship Program and National Achievement Scholarship Program?????? Is it when you take this test (i forgot) and if you pass you earn a scholarhship for a college of your choice??????
asked by Lauren 
chemistry
For the balanced equation shown below,how many moles of (NH4)2Cr2O7 reacted, if 0.8353 moles of Cr2O3 are produced? (NH4)2Cr2O7 > N2+4H2O+Cr2O3
asked by SUPAMAN 
chemistry
For the balanced equation shown below, how many moles of C4H10O reacted, if 0.5599 moles of H2O are produced? C4H10O+6O2 > 4CO2+5H2O
asked by SUPAMAN 
statistics
the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score that a student can
asked by Anonymous 
English 7
What does this mean when I have to discuss a time of your life when I demomstrated perseverance????? This is a journal entry assignment for english. This is due tommrrow (it is a weekly assginment). Please Help!!!
asked by Lauren 
chemistry
For the balanced equation shown below, how many moles of SO2 be PRODUCED, by 0.9807 moles of ZnS? 2ZnS+3O2 > 2ZnO+2SO2
asked by SUPAMAN 
PreCalcPlease check answer
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence 1/5,1/20,1/80 this was a geometric sequence so I said a(subscript10) =
asked by Sandra 
chemistry
For the balanced equation shown below, how many moles of O2 will REACT with 0.6614 moles of NO? 2NO+O2 > 2NO2
asked by SUPAMAN 
Government
The president's role in foreign policy increased largely because: is it, we became more of a world power
asked by Calvin 
chemistry
For the balanced equation shown below, how many moles of F2 be produced by 0.8622 moles of C2H3F3? 4C2H3F3+7O2 > 8CO+6H2O+6F2
asked by SUPAMAN 
Spanishone more check please
I had to make up questions using the past tense of decir,querer, hacer 1. ¿Qué dijo el doctor ayer? 2. ¿Qué hicieron los profesores ayer en la escuela? 3. ¿Quisiste mirar la pelicula ayer? 4.Tú quisiste un coche nuevo? 5. ¿Hiciste la tarea ayer?
asked by Mia 
Physics
The 17500 Hz whine of the turbines in the jet engines of an aircraft moving with speed 280 m/s is heard at what frequency by the pilot of a second craft trying to overtake the first at a speed of 380 m/s?
asked by Kyle 
physical science
A force of 1 N is exerted on a 10kg rock. What is the acceleration of the rock?
asked by Fonda 
Physics
A whistle of frequency 490 Hz moves in a circle of radius 2.00 ft at an angular speed of 15.0 rad/s. What are the lowest and the highest frequencies heard by a listener a long distance away at rest with respect to the center of the circle?
asked by Kyle 
Math
How do you solve 2r = 48 + 4r?
asked by Catrina 
physical science
What is the normal maximum amount of negative "g" forces allowed for a roller coaster ride?
asked by Fonda 
College Algebra
A rectangle field with area of 1,500,000 needs to be fenced. 2W+2L=5,000. solve for L and W
asked by Albert 
math/ calculus
given h(x)= cotx/x find h'(ð/2)
asked by Angie 
physical science
An observer measures the North Star (Polaris) at an altitude of 450. The observer's position is
asked by Fonda 
physical science
The declination of the Sun on March 21 on Earth is
asked by Fonda 
phsyics
A 975kg car accelerates. The magnitude of the average net force acting on the car is 3478 N, what is the acceleration of the car?
asked by cheryl 
physical science
Which one of these statements is true about Copernicus? a. His model included planetary orbits that were circular. b. He believed that Ptolemy's ideas about the shape of orbits were correct c. His model could not account for retrograde motion of Mars. d.
asked by Fonda 
statistics
What is the probability that the student is from UCLA or chooses football
asked by Anonymous 
Physics
A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the block as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is
asked by Jessie 
Englidh 7  Journal Entry (plz read)
Demonstrating Perseverance I show perseverance when I study and work hard to raise my grade and never give up. My biggest goal is to make it to Yale University; I want to become an artist and a writer. I¡¦ll do whatever it takes to get accepted to that
asked by Lauren 
physics
An early major objection to the idea that Earth is spinning on its axis was that Earth would turn so fast at the equator that people would be thrown into space. Given : radius earth = 6.37 × 10^6 m , mass earth = 5.98 × 10^24 kg , radius moon = 1.74 ×
asked by Anonymous 
algebra
find the variation constate and an equation of variation where y varies inversely as x and y=1 whenx=6 what is the variation constant is
asked by karon 
GEOMETRY
have to find the missing value to the nearest hundreth for Cos__=9/20 Help please
asked by Cindy 
incentive contract
Suppose you decide to elicit high CEO effort when and if bad luck occurs by paying the bonus for $1 billion outcomes only. What criticism can you see with this incentive contract plan?
asked by Diane 
PHI 103
After being told that she is being punished for lying, a child responds by telling her mother that she also lied. This response may involve which fallacy? Ad homimen (tu quoque) Ad verecundiam (ex libris) Ad misericordiam (ex ante) Ad baculum (antebellum)
asked by Siri 
alegebra
if i bought 4 pairs of shoes for $325.50 and later bought another pair of shoes for $35, what was the mean cost of all the pairs of shoes?? thanks!(:
asked by Carly 
science
if a child weights forty pounds, and the dosage was 20mg/lb/day for doses, how many mg should be given in each dose?
asked by Anonymous 
more physics ):
A tennis player places a 51 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.067 kg tennis ball horizontally with a velocity of 33.4 m/s toward the north. What is the final velocity of the machine? Can you please EXPLAIN how
asked by Allison 
Math
Brain Teaser 85=the A N to be E from the W M P
asked by Ashton