Questions Asked on
September 22, 2012

calculus
Find an interval of length 0.1 in [1, 2] containing a root of the equation. (Enter your answer using interval notation.) x7 + 7x − 10 = 0
asked by patel 
college algebra
Deshaun is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A has no initial fee but charges .70 cents for every mile driven. Company B charges an initial fee of $50 and an
asked by dawn 
physics
A projected space station consists of a circular tube that will rotate about its center (like a tubular bicycle tire) as shown in the figure . The circle formed by the tube has a diameter of about 1.1 km. What must be the rotation speed (revolutions per
asked by kim 
statistics
The director of an alumni association for a university wants to look at the relationship between the number of years since graduation and the amount of monetary contribution an alumnus makes to the university. He collects data on 50 alumni who have made
asked by David 
calculus
Suppose f'(x) = xe^x^2. a) On what interval is f increasing? On what interval is f decreasing? b) Does f have a maximum value? Minimum value? So should I assume that f'(x) > 0 since e has to be a positive number?
asked by Travis 
physical
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 28.0 in a direction 60.0 west of north. Jane walks 16.0 in a direction 30.0 south of west. They then stop
asked by raghad 
Chemistry
How many moles of Fe3O4 are required to supply enough iron to prepare 0.442 mol Fe2O3?
asked by Muhammad 
Chemistry
Suppose a runner completes a 10K (10.0 km) road race in 44 minutes and 43 second. What is the runners average speed in miles per hour?
asked by Anastasia 
CHEM
Aluminum reacts with Chlorine gas to form AlCl3. [2Al(s)+3Cl2(g)=2AlCl3(s)] Given 11.0g of Al and 16.0g Cl2, if you had excess Al, how many moles of AlCl3 could be produced from 16.0g of Cl2?
asked by leng 
algebra
The length of a rectangle is 9.7cm more than 4 times the width. If the perimeter of the rectangle is 9.1cm what are its dimensions? Could someone please explain, not looking for just answer, needing to know how to do it.
asked by lilman 
Chemistry
What are the products of Ba(NO3)2(aq)+K2CO3(aq)?
asked by Heather 
physic
On an otherwise straight stretch of road near Moffat, Colorado, the road suddenly turns. This bend in the road is a segment of a circle with radius 118 m. Drivers are cautioned to slow down to 45mph as they navigate the curve. you heed the sign and slow to
asked by Amy 
physics
To meet a U.S. Postal Service requirement, employees' footwear must have a coefficient of static friction of 0.5 or more on a specified tile surface. A typical athletic shoe has a coefficient of 0.870. In an emergency, what is the minimum time interval in
asked by Anonymous 
AP Chemistry
1.A compound consists of 65.45% C, 5.492% H, and 29.06% O on a mass basis and has a molecular mass of 110 g/mol. Determine the molecular formula of the compound. 2. What is the formula weight of iron (II) sulfate? Answer in units of g/mol. 3. What is the %
asked by Timmy 
Biochemistry
Acetylcholinesterase catalyzes the hydrolysis of the neurotransmitter acetylcholine: Acetylcholine + H2O actetate + choline The KM of acetylcholinesterase for its substrate acetylcholine is 9 x 105 M. In a reaction mixture containing 5 nanomoles/ml of
asked by Robert 
Statistics
On the daily run of an express bus, the average number of passengers is 48. The standard deviation is 3. Assume the variable is normally distributed. Find the probability that the bus will have Between 36 and 40 passengers
asked by Darryle 
math
a man walks 8km north and 5km in a direction east of north.find the distance from the starting point
asked by etulan 
physics
How long does it take the second hand of a clock to move through 4.00 rad?
asked by Anonymous 
Physics
A certain freely falling object requires 1.50 seconds to travel the las 30.0 meters before it hits th ground. From what height above the ground did it fall?
asked by Jen 
Math SL
An Arithmetic sequence has a tenth term of 17 and a fourteenth term of 30, ind the general term PLEASE HELP!!!!
asked by Britney OW 
AP chemistry
which of the following aqueous solutions should not form a precipitate with aqueous ba(no3)? 1. KOH 2. K2CO3 3. K2SO4 4. K3PO4
asked by Anonymous 
Physics
A train consists of 50 cars, each of which has a mass of 7.2 × 103 kg. The train has an acceleration of +7.2 × 102 m/s2. Ignore friction and determine the tension in the coupling (a) between the 30th and 31st cars and (b) between the 49th and 50th cars.
asked by StressedStudent 
chemistry
How many moles of aluminum do 5.9×1024 aluminum atoms represent?
asked by alex 
Chemistry
I've seen the posts on solving this particular equation, and I know the answer is right in front of me. I'm still having trouble understanding why... a 42g piece of ice at 0.0 degrees C is added to a sample of water at 7.8 degrees C. All the ice melts and
asked by Elliott 
statistics
In a large class, there were 220 students who wrote both the midterm and the final exam. The standard deviation of the midterm grades was 14, and that of the final exam was 20. The correlation between the grades on the midterm and the final was 0.60. Based
asked by ashik 
math
Find the scale ratio of this map: 1 inch on the map represents 10 miles
asked by Sam 
AP Chem need serious explanation
Calculate the number of moles of carbon atoms present in 1.4 g of ethanol (C2H6O). i get that you calculate the number of moles of ethanol whic i got was .03039 but how do you get the moles of CARBON from that.
asked by Joe King 
chemistry
What is the amount of heat involved in each of the following?kilojoules to heat 240 of gold from 20 to 188
asked by Anonymous 
chemistry
what is the name of the compound C2H4?
asked by bob 
Biology
Explain the medical importance of brainmapping experiments?
asked by G 
Current Topics in Information Technology
4. Internet has a big impact on firms and their information systems. Firms created new business models that were not possible before the internet. Select one those new business models and answer the following questions: 4.1. What was the original business
asked by fawaz 
Chemistry
What are the oxidation states for each element in the equation 3HCl(aq)+HNO3(aq)> Cl2(g)+NOCl(g)+2H20(l)?
asked by Heather 
maths
The weather forecaster says that it is 200° C in London but only 0.7 as hot in New York. How hot is it in New York?
asked by zai 
Statistics
The retail price of 12pack soda can be characterized as having a normal distribution with a mean of 3 dollars and a standard deviation of .25. Below what price do you find 30 % of all 12 packs?
asked by Christine 
physics
a 1.9kg ball of putty moving to the right has a head on inelastic with 1.3 kg putty ball moving to the left , if the combined blob doens;t move just after the collision, what can you conclude about the relative speeds of the balls before they collide?
asked by tere 
Math
If a number is added to its reciprocal, the sum is 13/6, find the number.
asked by Molly 
AP chemistry
which of the following aqueous solutions should not form a precipitate with aqueous ba(no3)2?
asked by Anonymous 
statistics
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their father or by
asked by Anonymous 
Grammar
Few people know about the (complex) science behind the construction of elevators. (my answer) demonstrative adjective interrogative adjective indefinite adjective proper adjective To be honest, I'm really not sure! I know (complex) is an adjective, I just
asked by Anonymous 
maths
Mr usher is 186.9cm tall and his sister sarah is 147.3cm.What is the difference between them?
asked by zaina 
Calc 3
Use the Chain Rule to find ∂z/∂s and ∂z/∂t. z = tan(u/v), u = 7s + 4t, v = 4s − 7t
asked by Becky 
chemistry
what is name of the compound P2S5? is it phosphorous pentasulfide?
asked by bob 
science
A running man has half the kinetic energy of that of a boy of half of his mass. The man speed up by 1 m/s so as to have same kinetic energy as that of boy . The original speed of man is ?
asked by vijay 
physics
A truck driver attempting to deliver some furniture travels 5 km east, turns around and travels 5 km west, and then travels 12 km east to his destination. What distance has the driver traveled?
asked by Alex 
Math Ratios
The ratio of the number of marbles Zali had to the number of marbles Muthu had was 3:4. Muthu gave half of his marbles to Zali. What was the new ratio of the number of marbles Zali had to the number of marbles Muthu had?
asked by Dottie 
EnglishGrammar
The interviewer (remained) speechless upon hearing about the senator’s revelations. Is remained a (I think this is the answer) linking verb action verb auxilary verb transitive verb Thanks for the help
asked by Beth 
Physics
A ball traveling horizontally leaves a 0.80 m high table and lands 1.1 meter away. A. Predict the time required for the pool ball to hit the ground. B. What was the initial velocity of the ball?
asked by Krissy:) 
Chemistry
What mass of electrons would be required to just neutralize the charge of 2.5 grams of protons?
asked by Kaycee 
Language arts
Her many hands reach out to us. Her many tongues are garrulous. These lines make use of A. Aliteration B. onomatopoeia C. Simile D. Personification
asked by Meagieting 
chemistry
What is the amount of heat involved in each of the following?kilojoules to heat 240 of gold from 20 to 188
asked by Anonymous 
Physics
A woman stands on a scale in a moving elevator. Her mass is 56.0 kg, and the combined mass of the elevator and scale is an additional 809 kg. Starting from rest, the elevator accelerates upward. During the acceleration, the hoisting cable applies a force
asked by StressedStudent 
Physics
The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=59900 N. The lift force L generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the
asked by StressedStudent 
Java
You are to create an efficient OO application to be used by the wait staff at the Mason Inn. You will process one waiter/waitress at a time. The user will provide information for him or her, to include: their name, number of hours worked and hourly wage.
asked by Johnny 
English
The (rest) of the inheritance was given to charity. (my answer)noun pronoun adjective preposition Not too sure, it could also be an adjective. Thanks for the help!
asked by Anonymous 
physics
A box has a mass of 0.215 kg. It is on a very smooth (frictionless) horizontal surface and is acted upon by a force of 2.27 N at an angle of θ = 37.6° with the horizontal. What is the acceleration of the box?
asked by Amy 
phyics
A box of mass 0.385 kg slides down a very smooth (frictionless) ramp which is inclined at an angle of 56.6° above the horizontal. What is the acceleration of the box down the ramp?
asked by Amy 
math
Grossnickle Corporation issued 30year, noncallable, 8.5% annual coupon bonds at their par value of $1,000 one year ago. Today, the market interest rate on these bonds is 6.5%. What is the current price of the bonds, given that they now have 29 years to
asked by eric 
Spanish CHECK
(On the contrary). Flor is describing the courses she is taking, but you have an entirely different point of view. Complete each sentence, using the opposite of the word in italics. ¡OJO! Remember that adjectives must agree in number and gender with the
asked by Whitney 
math
It takes the planet Neptune about 164.8 years to revolve once around the sun.What are the least and greatest numbers written in hundredths that could round to 164.8?
asked by Jahzara 
maths
a ship sails 27km due south then 16km due west. How far is the ship to the nearest 0.1 km ,from its starting point?
asked by olive 
statistics
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their father or by
asked by LWatson 
algebra
A mechanic is working on a car that has a 10 Liter radiator that is currently filled with a mixture of water and antifreeze. thirty percent of the 10 liters is antifreeze and the rest is water. how much needs to be drained and replaced with pure antifreeze
asked by Sarah 
Psychological Statistics
Assume that GRE scores approximate a normal curve and have mean of 500 points and a standard deviation of 100. What proportion of the normal curve would correspond to each of the following situations? 1) A score more than 50 points above the mean? 2) A
asked by Vidhi 
economic
In a free market, which of the following is an accurate statement regarding price? A) Prices tend to increase. B) The price of a good or service helps to quantify its value to consumers. C) None of these statements are accurate. D) Sellers offer misleading
asked by joe 
Precalculus SOH CAH
how are the following relations true? S(theta + pi/2) = C(theta) and C(theta + pi/2) = S(theta)?
asked by Greg 
Physics
Dan drops a stone down a well and sees it hit the water 1.2 sec later. A. how deep is the well (no air resistance) B. What is the speed of impact of the stone? c.If Dan drops an elephant down the well how long will it take to hit the water? Explain Thanks
asked by Krissy:) 
English
Sarah trained hard for the competition, but she did (not) win any of the trophies. (not is a(n) my answer)adjective adverb preposition noun
asked by Anonymous 
health
What physical symptoms often accompany social phobia?
asked by ashton carr 
mathematics
what is the domain and range of the function F(x)= 1/12cosx
asked by edward 
AP Chemistry
Find mass of liquid water required to absorb 3.94 X e4 of heat energy on boiling. Answer in units of g
asked by Rohan 
physics
You pull a 18 kg sled across the floor with a strap that is at an angle of 40° above the horizontal with a force 86 N. Find the magnitude of the acceleration of the sled, given that the coefficient of kinetic friction between the sled and the floor is
asked by christina 
Calc 3
If z = f(x, y), where x = r^2 + s^2 and y = 8rs, find ∂^2z/(∂r ∂s).
asked by Becky 
physics 101
A person in an elevator is holding a 15 kg block by a cord rated to withstand a tension of 180 N. When the elevator starts up, the cord breaks. What was the magnitude of the minimum acceleration of the elevator?
asked by laura 
chemistry
How many moles of Fe3O4 are required to supply enough iron to prepare 0.785 mol Fe2O3?
asked by Anonymous 
Math
A man built a walk of uniform width around a rectangular pool. If the area of the walk is 429 square feet and the dimensions of the pool are 10 feet by 18 feet, how wide is the walk?
asked by Aaron 
physics
A box of mass 1.95 kg slides down a frictionless ramp inclined at an angle θ= 42.9 ° at constant speed. The force exerted on the box by the ramp is how many Newtons?
asked by Amy 
chemistry
how many grams of NaOH should be used to make 200 mL of a 0.24M solution starting with a .4M HCL solution
asked by Tyler 
math/finance
Assume that you are considering the purchase of a 30year, noncallable bond with an annual coupon rate of 8.5%. The bond has a face value of $1,000, and it makes semiannual interest payments. If you require an 7.4% yield to maturity on this investment,
asked by eric 
Math
Tony's baby sitting service charges $2.50 per day plus $1.75 an hour. What is the cost of a seven hour babysitting job?
asked by Homework girl 
Health care admin.
What are the four functions of management?
asked by toya 
Calculus
I'm having problems with this one. Can't get the right answer. Differentiate the following using the chain rule. f(x) = squareroot(x^2+1)/(3x+1) I know that I can take the whole thing and put it to the (1/2) and differentiate that then use the quotient
asked by Angie 
precalculus
give an example of two increasing functions whose product is not increasing
asked by fatima 
Math Ratios
A sum of money is shared between Alice, Gayah and Sita in the ratio 3:2:4. If Gayah receives $4,287.50, how much money do Alice and Sita receive altogether.
asked by Dottie 
Math Ratios
A wire is bent into a rectangle. The ratio of the length of the rectangle to its breadth is 9:5. If the total length of the wire is 84 cm., find the area of the rectangle formed by the wire.
asked by Dottie 
PHSICS
1. How much kinetic energy does a 1 kg ball have if it has a velocity of 10 m/s? Choose one answer.and explain a. 100 J. b. 50 J. c. 10 J. d. 5 J. 2. You have the grand idea that the science building would be better situated if you moved it North by 4
asked by Anonymous 
Physics
The graph below represents the velocity of a ball thrown straight up by a strong pitcher as a function of time. In the first part of the graph ending at A, the ball is accelerated to 39.2 m/s in a time of 0.20 s. After the ball leaves the pitcher’s hand,
asked by John 
history
opposition to jay's treaty and other federalist acts led to
asked by Anonymous 
collegechemistry
How do you know when a base is weak or strong?
asked by Anonymous 
chemistry
Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals? Why? In which situations are these chemical reactions useful to healthcare professionals
asked by sonwia 
Physics
A man seeking to set a world record wants to tow a 110000kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 70 kg, and the coefficient of static friction between his shoes and the runway is 0.76.
asked by StressedStudent 
Physics
In a flexible container when the temperature of a gas increases the volume of a gas will... increase decrease
asked by sk8rgurl 
precalculus
show that the sum of two increasing functions is increasing
asked by fatima 
history
what were some of the ways in which social darwinism or the idea of survival of the fittest shaped american thought in the past?
asked by maria 
education
Behavioral objectives clearly stated A. What the children will actually do B. How children should behave C. What children are interested D.the range of normal behavioral for children
asked by phillip 
education
Webbing Is A. Teacher created duck theme for classroom B.way to capitalize on children's ideal without enforcement a point to view on them c.planning tool that provides deputy to a topic and creates a map of possible activities and projects d. Technique to
asked by phillip 
physcical science
how much heat is needed to warm 200 grams of water from an initial temperature 24 celsius to 84 celsius
asked by physical science 
chemistry
how to draw atomic structure for elements from scandium to zinc ?and what is their valency number.plz show me the shell structure.
asked by J.Nandhini 
biological
how can a disaccharide be produced from two monosaccharides
asked by denis 
Physics
A gull is flying horizontally 8.17 m above the ground at 6.35 m/s. The bird is carrying a clam in its beak and plans to crack the clamshell by dropping it on some rocks below. Ignoring air resistance, what is the horizontal distance to the rocks at the
asked by Kasey 
Physics
A ball is thrown from a point 1.38 m above the ground. The initial velocity is 19.9 m/s at an angle of 33.8° above the horizontal. Find the maximum height of the ball above the ground. Calculate the speed of the ball at the highest point in the
asked by David 
Geography
Is Lima, the capital of Peru, east or west of the 80 degrees west line of longitude? Is this correct? East?
asked by Alexander 
the girl who could fly book
Can somebody help me with this question, it is about the book the girl who could fly How can making inferences in literature help you determine how the societal conflicts in I.N.S.A.N.E. shaped Piper's identity?
asked by aisha 
finite math
for the previous ? it as to be set up in five steps I just can't figure out how to set it up to get the answers
asked by cheryl 
precalculus
Find the intercepts of the graph of the equation y= x^2 4 ________ X^2 9 a. there is no intercept b. the intercept(s) is/are type the ordered pair, using intergers or fractions
asked by ladybug 
calculus
Help with an integration question with the substitution given? Please help, i tried to to answer it but the working is too complicated can anyone help out there, the question says: Using substitution 5x=4cosØ to show ∫ √ (1625x^2) dx = 4 π + 6√ 3
asked by Fatima 
health
What does it mean to relax with deep breathing?
asked by Anonymous 
caculus
Following a polynomial, find a. the zero's and the multiplicity of each b. where the graph crosses or touches the xaxis c. the number of turning points d. the end behavior f(x)=(x+3)(x5)(x+5)
asked by ladybug 
caculus
Following a polynomial, find a. the zero's and the multiplicity of each b. where the graph crosses or touches the xaxis c. the number of turning points d. the end behavior f(x)=(x+3)(x5)(x+5)
asked by ladybug 
Trigonometry
a diagram shows a cross section of a triangular prism. AB=BC=7cm. BM=5cm m is the midpoint of the line segment AC. a) explain why angle AMB must be a right angle. b) calculate angle BCM. c) calculate area of the triangle
asked by zoya 
chemistry
chemical formula for potassium hydrogen sulfide? is it KHS?
asked by bob 
Math
The perimeter of a rectangular soccer field is 20/3 meters. If the width of the soccer field is the reciprocal of the length, find the dimensions of the soccer field.
asked by Bianca 
English
1. Where do you buy a scarf? I buy it at the department store. 2. Where do you buy the scarf? I buy it at the department store. 3. Where do you buy scarves? I buy them at the department store. (Which question is correct grammatically?)
asked by rfvv 
World Geo
What rights did Aboriginal people gain as a result of the Referendum of 1967? sk8gurl99
asked by sk8rgurl 
Physics
A 700# rock sits atop a 150 foot cliff. 1) If it is pushed off how much kinetic energy is in the rock just before it hits the ground? 2) How much potential energy does it have just before it hits the ground? On 2 will I use the mgh formula? If so what
asked by Uris 
Physics
What is the period of Earth's (nearly) circular motion around the Sun? (2*pi*r)/T 1 year (1 year)/(2*pi) (2*pi)/(1 year) 2*pi*(1 year)
asked by StressedStudent 
PreCalculus
Is the difference of quotient of f(x) = 3x² x equal to 3h  6x  1?
asked by Peter 
reading
what does inference character mean
asked by sean 
physics
a piece of wood 50 cm long , 20 cm wide, 40 cm thick. its density is 0.6 g cm^3. this is connected to a string with negligible mass attached to a piece of lead. what is the mass of the lead and what volume underneath is needed to sink the wood in calm
asked by romeo 
History
why does the pilgrims settlement of plymouth succeed?
asked by Maria 
Whole grains and refined graines
Whole grains or food food made from them,contain all the essential parts and naturallyoccurring nutrients of the entire grain seed. True or false
asked by Olivia 
Refined graines
The enriching process for refined grains adds back: a:folic acid b: thiamin & niacin c:iron d: all of the above
asked by Olivia 
Office administration
Why are files reduce in an organisation?
asked by Christina 
history
how is plymouth settlers are different from the settlers at the Jamestown?
asked by Maria 
Chemistry
Why is the formula for sodium nitrate NaNO3?
asked by Anya 
biology
how can you recognize carbohydrates from a list of biological molecules
asked by denis 
physics
What is the general formula for energy?When asked to write formula for energy in general without specifying kinetic or potential or work can we write eienstien's e=mc2 formula?
asked by J.Nandhini 
Calculus AP
I'm doing trigonometric integrals i wanted to know im doing step is my answer right? ∫ tan^3 (2x) sec^5(2x) dx =∫ tan^2(2x) sec^4(2x) tan*sec(2x) dx =∫ (sec^2(2x)1)sec^4 tan*sec(2x) dx let u=sec x, du= 1/2 tan*sec(2x) dx =1/2∫ (u^2(2x)1) u^4 du
asked by Vicky 
Physics
I wondered if someone would check my work concerning an Atwood's Machine. (I am led to believe the answers for these two questions should be the same but I'm not coming out that way.)Thank you! 8.) Caluclate the tension in the Atwood's Machine string for
asked by Miaow 
physics
A vector A has components Ax = 7.0 m and Ay = 48.0 m. What is the the angle that vector A makes with the xaxis?
asked by james carol 
s.s
Which of the following is true with regards to the Navigation Acts by the eighteenth century? A. In general, the colonists despised the acts and smuggling was rampant. B. The acts replaced the colonial admiralty courts. C. The colonists became used to
asked by cool 
Geography
Is this correct? What are the three continents with the largest land areas in the world? Asia Africa and north america
asked by Alexander 
finite math
A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble.
asked by cheryl 
precalculus
analyze the graph of the function r(x)= 13x + 13 ________ 5x + 15
asked by ladybug 
Creative and Critical Thinking
Together We Stand Letter Outline Suppose you live in a new suburban community that combines all the amenities and benefits of a tightknit small community with the benefits of living close to the big city. Some years pass, and several children and adults
asked by Monica 
ela
How can making inferences in literature help you determine how the societal conflicts can make your identity?
asked by aisha 
precalculus
solve the following inequality 16(x^21) >16x the solution set is? or there is no solution.
asked by ladybug 
Math
Word problem A woodcarver wants to make a scale model of a chair. The height of the model will be 3 inches which is 0.08 times the height of the fl sized chair What is the size if the full sized chair in inches?? I got : 5.4 inches. Is this right??
asked by Marko 
Physics
If a ball is kicked at 35 degrees above the horizontal, what is the speed to barely clear the 3m tall goal post 60m away?
asked by Anonymous 
science
what type of a drink did not floated or sank?
asked by ross 
physics
If a ball is kicked at 35 degrees above the horizontal, what is the speed to barely clear the 3m tall goal post 60m away?
asked by Anonymous 
world history
How did spain change after the war with england in 1588?
asked by Kristi 
Alg 2 (HS)
Solve 4^(x+2)= 160 use a cal and round your answer to the nearest hundredth How would I work out this problem? I'm a little confused with this one.
asked by Gregory B. 
Trigonometry
in a diagram, PRS is a straight line. PQ = 9.2 cm, QS= 7.6cm and angle QPR =38 degrees.QR is perpendicular to PS. Calculate angle PQS to nearest 0.1 degrees
asked by zoya 
Alg 2 (HS)
If Y varies inversely as 3X^2, determine what Y would be if X = 4 and another point on the equation is (2, 48).
asked by Gregory B. 
chemistry
Assuming that 0.5 grams of a 1.0 gram sample is CaCO3, what should the concentration of HCl(M) be if you want to use 25.0 mL for the titration?
asked by Tyler 
Math
How is the principal payment calculated before interest is addes if; P = 50,000 interest = 9% and compounded for 7 years
asked by joan Mullins 
Math
If a certain number, x, is added to 4/(x+1), the result is 3. Find the number.
asked by Bianca 
math
how many thousandths in 1.069
asked by wan 
math
a rectangle has a side of 28cm,12cm.what is the area of the least number of these rectangles used to form the smallest square possible?
asked by wan 
mathematics
What is the domain of the functions f(x)= 1/root(x+x) f(x)= xx
asked by edward 
Not sure what to put here... World Geo?
What is an example, or maybe even two examples of a plant that grows in one climate but also a climate that that plant doesn't grow in. Thank you very, very much to any help. 8) Thank ya, sk8rgur99
asked by sk8rgurl 
physics
1/(undr root 2  1) m/s
asked by vijay 
random question for high school
How do you get into IB?
asked by  A 
precalculus
show that the composition of two increasing functions is increasing
asked by fatima 
Biology
The first cells evolved in an atmosphere that lacked free _____________. Their metabolism resulted in the accumulation of ________________ in the atmosphere. Fill in the blanks.
asked by Anonymous 
Math
I have a table and need the math rule but can't figure it out. If the table is: X and Y 2 3 4 4 6 5 8 6 What is the rule??
asked by help me 
economic
Store managers must consider which of the following trait? A) Cultural style B) Age groups C) Income level D) All are correct
asked by joe 
economic
In microeconomics, little emphasis is given to how prices are established and why they change. True or False?
asked by joe 
economic
A price set above equilibrium price creates a shortage. True or False
asked by joe 
mathematics
what is the domain of the function f(x)= 1/root([x]^2[x]6)
asked by edward 
statistics
Five samples are taken every hour from a production line & the average hourly measurement weight of polymer beads is recorded. Approximately 1/7 of these averages exceed 2.50g when the mean value is approximately 2.40g. Determine the proportion of
asked by Wasl 
mathematics
if [x] denotes the integral part of x, then what is the solution set of the equation [x]^2 5[x]+6=0
asked by edward 
Math
what are the zeros for 1x^5+2x^4+4x^3+19x^2+9x^2+9x5?
asked by Danielle 
US history
The sedation Act allowed the national government to jail people for
asked by Emily 
eoconomy
In which career is profit the main factor? it is doctor or teacher?
asked by jake young 
literature
What kind of man was Albert Camus?
asked by anonymous 
economy
careers that are more susceptible to changes in economic behavior are those that reply on what? and may you explain more for me please. thanks,
asked by jake young 
finite math
A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble.
asked by cheryl