Questions Asked on
September 25, 2011

Chemistry Please Help
Iron is found in Earths crust as several different iron compounds. Calculate the mass (in kg) of each compound that contains 1.0 x 10E3 kg of iron. Fe2O3 Please help step by step
asked by Monique 
Chemistry
How many moles of gold atoms do 3.45 x 10^24 gold atoms constitute. This is what I did 3.45 x 10^24 x 1 / 6.022 x 10^23 = 573 am I right
asked by Monique 
geometry
Martin drew a pair of perpendicular lines and a pair of parallel lines. Which of these statements best compares the pairs of perpendicular and parallel lines? Answer A: Perpendicular and parallel lines always have a common endpoint. B: Perpendicular and
asked by Sam 
chemistry
Write a balanced chemical equation for the reaction that occurs when Mg(s)reacts with Cl2(g). Express your answer as a balanced chemical equation. Identify all of the phases in your answer.
asked by Anonymous 
chemistry
The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to span a distance of 4.33 mm?
asked by savannah 
Chemistry
Caffeine a stimulant found in coffee has the mass composition of C, 49.48%, H, 5.19%, N, 28.85%, O 16.48%. The molar mass of caffeine is 194.19g/mol. Find the molecular formula for caffeine.
asked by Monique 
STATS
Solve the problem. Round the point estimate to the nearest thousandth. 22 randomly picked people were asked if they rented or owned their own home, 9 said they rented. Obtain a point estimate of the proportion of home owners. A) 0.290 B) 0.591 C) 0.636 D)
asked by Anonymous 
word problem(algebra)
a magazine costs half as much as a book.The book costs $p.A pen costs $2 more than the magazine. (a) how much is the pen in terms of p? (b) if the book costs $5,how much is the pen?
asked by kimi 
word problem(algebra)
mary has y m of cloth.she used 2 m to sew a skirt.she used the remaining cloth to make 5 jackets. (a) find the amount of material that was used to make each jacket in terms of y. (b) if she has 17 m of cloth.how much material was used for each jacket?
asked by kimi 
Chemistry
Calculate Delta G for H2O(g) + 1/2 O2(g) H2O2(g) at 600. K using the following data: H2(g) + O2(g) H2O2(g) k = 2.3 X 10^6 at 600. K 2H2(g) + O2(g) 2H2O(g) k = 1.8 X 10^37 at 600. K
asked by Summer 
physics
A car is parked near a cliﬀ overlooking the ocean on an incline that makes an angle of 21.7◦ with the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline and has a
asked by Prady Manepalli 
help please!
All the following are effective techniques for a kinesthetic learner EXCEPT: A.Study while participating in a physical activity. B.Have someone quiz you orally. C.use experiments to learn the material. D.building a model. i got C what do you think ?
asked by Ciara 
diffirential calculus
a pole 27ft long is carried horizontally along a corridor 8ft wide and into a second corridor at right angles to the first. how wide must the secon corridor be?
asked by kait 
algebra
a purse contains 26 coins, some of which are dimes and the rest are nickels. Altogether, the coins are worth more than $2.10. At least how many dimes are in the purse?
asked by dan 
College Algebra
Matt scored 75 on the calculus midterm. If the final exam counts twice as much as the midterm exam, then for wht range of scores on the final would Matt get an average between 81 and 92?
asked by Ty 
pre calc
A math teacher uses four algebra books, two geometry books, and three precalculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?
asked by Katie 
Algebra 1 (HELP PLEASE!!)
Can you please tell me the roster form and setbuilder notation for: N is the set of real numbers that are factors of 12
asked by Isabella 
chemistry
if 100j of heat energy is applied to a 25g sample of mercury, by how many degrees will the temperature of the sample of mercury increase?
asked by cindy 
physics
A jet travels at 433 m/s. How long does it take to travel 210 m? Answer in units of s How long to travel 12.4 km? Answer in units of s How long to travel 11 in? Answer in units of s thank you
asked by anon 
Math
In a group of 40 students, all students study maths, 28 study biology and math, 20 students study geography and maths and x students study all three subjects. a. Draw a venn diagram to represent the information above, showing in terms of x, the number of
asked by Shian 
help please:)
reading titles and headings, and trying to get an overview of what lies ahead in a reading passage is called : A. questioning. B. relating C. surveying D. reciting. I got C what do you think ?
asked by ciara 
geometry
Lara wrote the statements shown in the chart. Statement One: If two lines intersect, then they intersect at exactly one point Statement Two: In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the length of
asked by Sam 
statistics
If 86% of households have cable television and three households are picked at random, what is the probability that at least one of those three picked will have cable television?
asked by Janice 
Amoritizing Loans
"A woman borrows $6000 at 9% compounded monthly, which is to be amortized over 3 years in equal monthly payments. For tax purposes, she needs to known the amount of interest paid during each year of the loan. Find the interest paid during the first year,
asked by Norah 
Gr10 Math
Charlene is looking into cell phone plans. Cell plus gives unlimited minutes for $50/month.A1 Cell offers a $40 monthly fee, plus 5¢/min for any time over 300min oer month. a)Define two variables and write a linear equation to represent the charges for
asked by Ana 
Algebra & Trigonometry
A slice of thickness 1 cm is cut off from one side of a cube. If the volume of the remaining figure is 180 cubic centimeter, how ling is the edge of the original cube
asked by Ruth Joy 
math
In new jersey's pick 4 lottery game, you pay 50 cents to select a sequence of four digits, such as 1332. if you select the same sequence of four digits that are drawn, you win and collect $2788. 1. Find the expected value?
asked by bibi 
chemistry
Concentrated HCL acid is 38% by weight of HCL and has a density of 1.19 g/ml. What is the morality of HCL?
asked by Anonymous 
physics
a cat walking at 0.25 m/s sees a mouse and accelerates uniformly at 0.40 m/s (squared) for 3.0 s. what is the cat's displacement during this time?
asked by h 
Biology cells
Explain why stomach cells have a large quantity of ribosomes and golgi apparatus ?
asked by Mr. Green 
Chemistry
Calculate the empirical formula for the compound 1.245g Ni, 5.381g I Can you help with the steps please
asked by Monique 
word problem(algebra)
a shopkeeper bought 16 boxes of pens.each box contained m pens.10 pens were sold on the first day. (a) how many pens were left after the first day?give ur answer in terms of m. (b) if m=5,how many pens were left after the first day?
asked by kimi 
physics
A rocketdriven sled running on a straight, level track has been used to study the physiological eﬀects of large accelerations on astronauts. One such sled can attain a speed of 440 m/s in 1.9 s starting from rest. What is the acceleration of the sled,
asked by Emily 
Algebra 1
The probability of rolling a die and getting an even number is 1/2. If you roll the die twice, the probability of getting a even number both times is (1/2)(1/2) or (1/2)^2. Write an expression to represent the probability of rolling the die (d) times and
asked by Austin 
physics
a projectile is fired from the surface of the earth with a speed of 200 m/s at an angle of 30 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile
asked by Anonymous 
Chemistry
how many valence electrons does a carbon radical possess?
asked by juan777 
Physics
Hi Would someone be able to confirm that the following equation wil give the fall time for an object falling under gravity ignoring air resistance: T= sq root of 2h/g where h is fall height and g is accel due to local value for gravity. A derivation from a
asked by charlie 
physics
A wooden crate weighs 780lb.What force is needed to start the crate sliding on a wooden floor when the coefficient of starting friction is 0.40?
asked by SAM 
physics/ 2D motion
A projectile of mass 0.539 kg is shot from a cannon. The end of the cannon’s barrel is at height 6.4 m, as shown in the figure. The initial velocity of the projectile is 9 m/s . How long does it take the projectile to hit the ground? Answer in units of s
asked by meagan 
Math
Jan Gentry is the owner of a small company that pro¬duces electric scissors used to cut fabric. The annual demand is for 9,000 scissors and Jan produces the scissors in batches. On average, Jan can produce 185 scissors per day. Demand for scissors has
asked by Deana 
physics
How far to the nearest tenth of a meter can a runner running at 10 m/s run in the time it takes a rock to fall from rest 91 meters
asked by Anonymous 
physics
At the surface of Mars, the acceleration due to gravity is 3.72 m/s^2. A watermelon has a mass of 4.5 kg here on Earth. a) What is its weight here on earth? b) What is its mass in Mars? c)What is its weight in Mars?
asked by Apple 
physics
suppose that all the people of the earth went to the north pole and on a signal all jump straight up. estimate the recoil speed of the earth. the mass of the earth is 6 x 10^24 kg and there are about 6 billion people(6 x 10^9).
asked by emily 
Physics
During a lawnmower race, a rider starts from rest and accelerates at 1 m/s/s for 10 seconds. The rider then maintains a constant velocity for the remainder of the race, which takes an additional 20 seconds. A) How far was the race? B) What was the
asked by Karla 
statistics
If there are 24 students in a class, how many differentsized groups can be formed, and how many students will be in each group? Make a list of all possible groupings.
asked by Anonymous 
Chemistry
For the reaction NO2(g) + NO(g) = N2O3(g) If at particular temperature, K was 575 and equilibrium concentration of N2O3(g) was 2.5 M, calculate the equilibrium concentrations of NO2(g) and NO(g) if they both had the same initial concentrations. i have my
asked by Sara 
College Algebra 2
The speed of train A is 16 mph slower than train B. Train A travels 190 mph in the same time it takes train B to travel 270 miles. Find the speed of each train.
asked by Francine 
calculus
Find the volume of the solid obtained by rotating the region under the graph f(x) = x2  3x about the xaxis over the interval [0, 3].
asked by Becca 
Math
100 students were asked whether they are taking psychology or biology. 61 were taking pyschology, 18 were taking both and 12 were taking neither. how many were taking biology?
asked by Jerry 
chemestry
What is the molecular formula of the following compound? Empirical formula C3H6O2 (M=74.08 g/mol)
asked by Help! 
Physics
A dart is thrown horizontally with an initial speed of 11 m/s toward point P, the bull'seye on a dart board. It hits at point Q on the rim, vertically below P, 0.19 s later. (a) What is the distance PQ? (b) How far away from the dart board is the dart
asked by Brad 
diffirential calculus
a builder intends to construct a storage shed having a volume of 900ft^3, a flat roof and a rectangular base whose width is threefourths the length. the cost per square foot of the materials is 4000.00 for the floor,6000.00 for the sides and 3000.00 for
asked by kait 
Chemistry
How do I find the equilibrium constant for 4NH3(g) + 5O2(g) > 4NO(g) + 6H2O(g) at 825 degrees celcius, assuming that delta H and delta S knot do not depend on temperature, and Delta H is 908 KJ and Delta S is 1206 KJ?
asked by Summer 
physics
A linear charge of nonuniform density lambda(x)=bx C/m, where b = 5.2 nC/m2, is distributed along the xaxis from 4.9 m to 6 m. Determine the electric potential (relative to zero at infinity) of the point y = 8.6 m on the positive yaxis.
asked by Anonymous 
chemistry
Analysis of a compound shows carbon hydrogen and nitrogen present. Each molecule contains one nitrogen atom. A 150. Mg sample of the compound produces 27.4 mg of NH3 in which all the nitrogen comes from the sample. Which of the following is the formula for
asked by Lucy 
Math
In a class of 50 students, 3x play cricket, 30 play football, 9 play both cricket and football and x plays neither a. Draw a carefully labeled venn diagram to represent the information above b. Determine the number of students who play cricket.
asked by Shian 
Physics
The fastest major league pitcher throws a ball at 45m/s. If he throws the ball horizontally, how far does it drops vertically on the 18.4m trip to the home plate?
asked by Mily 
Media Writing
How do you correctly write the following in AP style? "Guilty Verdict. A jury found a Midville man guilty of SecondDegree Manslaughter after an hour's worth of deliberations on Tuesday. Johnny Gene Garber was convicted at the end of a 3day trial which
asked by Taycee 
Physics
Two cars are traveling along a straight line in the same direction, the lead car at 22 m/s and the other car at 34 m/s. At the moment the cars are 59 m apart, the lead driver applies the brakes, causing the car to have a deceleration of 1.5 m/s 2 . How
asked by Grey 
chemistry
what volume of 0.1 moldm3 HCL acid would be required to dissolve 2.3 grams of calcium carbonate equation CaCO3+2HCL=CaCl2+CO2+H20 (WATER)
asked by aisha 
health
what is the meaning of the medical term hydrocele?
asked by ant 
chemistry
A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezingpoint depression of the solvent if the freezing point constant is 1.86 °C/m?
asked by ryan 
physics
Problem 22.2 2 *10^13 electrons flow through a transistor in 1.0ms . Part A  What is the current through the transistor? Express your answer using two significant figures. in mA
asked by Paige 
Physics
A youngster bounces straight up and down on a trampoline. Suppose she doubles her initial speed from 2.0 m/s to 4.0 m/s. (a) By what factor does her time in the air increase? (b) By what factor does her maximum height increase? (c) Verify your answer to
asked by Nyla (really desperate) 
physics
Initially (at time t = 0) a particle is moving vertically at 5.8 m/s and horizontally at 0 m/s. Its horizontal acceleration is 2.1 m/s2. At what time will the particle be traveling at 54 with respect to the horizontal? The acceleration due to gravity is
asked by physics 
physics
A 34.3kg child swings on a rope with a length of 6.11 m that is hanging from a tree. At the bottom of the swing, the child is moving at a speed of 4.2 m/s. What is the tension in the rope?
asked by didi 
Finance
A man stipulates in his will that $50000 from his estate is to be placed in a fund from which his three children are to each receive the same amount when they reach age 21. When the man dies (on January 2010), the children are aged 19, 15 and 13. The fund
asked by Anonymous 
statistics
A small company has 15 employees. Five of these employees will be selected randomly to be interviewed as part of an employee satisfaction program. How many different groups of five can be selected?
asked by Anonymous 
College Algebra 2
The number of kilograms of water in the human body varies dirctly as the mass of the body. An 84kg person contains 64kg of water. How many kg of water is in a 63kg person?
asked by Francine 
Sociology
11{1[1(19)19]}> All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above?
asked by Victoria 
diffirential calculus
a woman 6ft tall walks away from a light 10ft above the ground. if her shadow lengthens at the rate of 2ft/sec. how fast is she walking?
asked by kait 
english
which one is correct. a)the temperature was 104 degrees and Eric's car was not equipped with airconditioning grammar or b)the temperature was 104 degrees, and Eric's car was not equipped with airconditioning grammar
asked by hi 
engineering physics
An object of mass m is dropped at t=0 from the roof of a building of hdight h. A wind blowing parallel to the face of the building exerts a constant force F on the object. At what time t does the object strike the ground? Express t in terms of g and h.
asked by Margaret 
physics
A charge of 10.104 nC is uniformly distributed along the xaxis from −1 m to 1 m. What is the electric potential (relative to zero at infinity) of the point at 5 m on the xaxis?
asked by Anonymous 
Chemistry
Calculate the mass (in kg) of each compound that contains 1.0 x 10E3 kg of iron. Fe2O3 I really can't figure this one out please help step by step
asked by Monique 
geography
if it is 6pm @ 45 degree east what time will it be at 60 degree west?
asked by revalino 
Physics
A concave mirror has a focal length of 37 cm. Determine the object position for which the resulting image is upright and four times the size of the object. Answer in units of cm
asked by Leslie 
Logic Research
All sages provide both wisdom and inspiration. Since Dasha's speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above? Just because Dasha is a sage doesn't mean that
asked by Dusty 
Math
A city has a population of 30,000 people. Suppose that each year the population grows by 3.7% . What will the population be after 6 years? i multiplied 30,000 by 6 then 3.7 and got 7425000 i don't think that's the answer i feel like im missing a step..
asked by Brent 
diffirential calculus
considering the area of a circular ring as a increment of area of a circle, find approximately the area of a ring whose inner and outer radii are 3 inches and 3.02 inches, respectively.
asked by kait 
Physics
Problem 22.16 A 7.5 v battery supplies a 3.5 mA current to a circuit for 8.2 Hr . Part A  How much charge has been transferred from the negative to the positive terminal? Express your answer using two significant figures. Part B  How much work has been
asked by Paige 
Chemistry
if one mole of gas occupies 22.4L at STP what is the volume at 25 degress C. and 3.05 atmosphere?
asked by Laura 
Chemistry
Some solid calcium oxide in a test tube picks up water vapor from the surrounding to change completely into solid calcium hydroxide. An observed total initial weight (calcium oxide + test tube) f 10.860g goes eventually to 11.149g. What is the weight of
asked by Lucy 
Physical Science
A charge of +2 X 10^7 C is 10 cm from a charge of 6 X 10^6 C. Find the magnitude and direction of the force of each charge. Could someone help me with this problem. I don't know what to do.
asked by Jackson (please help) 
Logic
The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jery mist be taller than six feet. The argument abv. if flaw because it confuses Jerry with other members of the
asked by Dusty 
math
A cube measures 2 meters on each side. What is the volume of the cube?
asked by peter 
Physics
A spectrometer uses a grating with 11600 lines/cm. Find the angle at which red light, 632.3 nm, has the firstorder bright band. Answer in units of degrees.
asked by Leslie 
maths
Draw a triangle ABC with BC=10cm,AB=9cm and A11cm. on your diagram, draw and label the locus of points which are equidistant from B and C
asked by madhav 
physics please help!!
One of the methods used to train astronauts for the effects of "zero gravity" in space is to put them in a specially equipped plane which has been stripped of seats and fitted with padded walls. The pilot then takes the plane up to an altitude of typically
asked by archi 
physics
A mass M = 21.00 kg is suspended by a massless string from the ceiling of a van which is moving with constant acceleration a, as shown in the figure. If the string makes an angle theta = 28.00 degrees with respect to the vertical, what is the acceleration
asked by archi 
Logic Research
A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates runing for mayor, governor, and senate seats shows that not one of them
asked by Dusty 
PHYSICS
A crate of potatoes of mass 23.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.65 and μk = 0.44. Find the frictional force (magnitude and direction) on the crate if the crate is at rest. Please help
asked by Shereen 
AP Physics
Light passes from air into water at an angle of incidence of 33.5.degrees Find the angle of refraction in the water. Answer in units of degrees
asked by Melvin 
Pre calculus
find the domain of the given function f(x)=square root 9x
asked by dian 
physics
A 5.6 kg bag of groceries is in equilibrium on an incline of 32. The acceleration of gravity is 9.81 m/s2 . What is the magnitude of the normal force on the bag?
asked by newtothis 
English
I included other sentences I turned into indirect speech. Where can I find exercises on the use of indirect speech so that I don't have to invent all the sentences myself? Thank you. 1) Why don’t we go for a walk? She suggested going for a walk. 2)I gave
asked by Henry2 
Physics
A boy pulls a sled with a force of 40 N on a rope 2.5 meters long. The end that he holds is 1.5 meters higher than the end attached to the sled. What is the magnitude of the horizontal component that acts to pull the sled forward? (First find the angle of
asked by Kathy 
Chemistry
How many moles of Fe2O3 are required to produce 38.4 moles of Fe?
asked by Joseph 
physics
Two points in a plane have polar coordinates (2.40 m, 40.0°) and (3.50 m, 110.0°). (a) Determine the Cartesian coordinates of these points. (2.40 m, 40.0°) x = m y = m (3.50 m, 110.0°) x = m y = m (b) Determine the distance between them. m
asked by Anonymous 
math
A model of a brdge is 1m long and 2.5% of the actual size of the bridge. How long is the actual bridge?
asked by Matt 
Math
Can anyone answer: "R is the set with even natural numbers that are less than 2" in roster and set builder form
asked by Jenny 
math
identify which property is being illustrated. 15.1=15 5.0=0 11.1/11=1 3+2=2+3 7+7=0 9.1=9 6.1/6=1 1+1=0 5.6=6.5 (2+3)+5=(3+2)+5 7(8+5)=(8+5).7 (3+2)+5=3+(2+5) 3(9+1)=(3.9)+(3.1) (1+2)(3+4)=(3+4)(1+2) 4(2.6)=(4.2)6 3(5a)=153a
asked by Peace 
psychology
The study of sensation and perception is important to a psychologist because perception and sensation are the foundation of: neurotransmitters and the brain's function. memory and how it is experienced in the world. the science of neuropsychology.
asked by john 
Physical Science
Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the substance have very different melting temperatures and densities. The unknown substance is
asked by Ryan 
physics
You accidentally throw your car keys horizontally at 9.0 m/s from a cliff 72 m high. How far from the base of the cliff should you look for the keys?
asked by Anonymous 
calculus
give an example of a function that has: a) only one point of discontinuity b) exactly two ponts of discontinuity c) an infinite number of discontinuity give an example of a function that is: a) continuous at every point b) discontinous at every point i am
asked by val 
chemistry
how to you find the partition coefficient of the benzoic acid in CH2Cl2 in water
asked by Paige 
math
In a reference (O, i, j), the points A (12, 1150) and B (10, 500). The function f is defined on (20, 10) by: f(x) = x^ 4 +2.25 x^344.5x^2260x+100 We note Cf his(her,its) representative curve. We try to determine all the points of intersection of the
asked by thariq 
physics
A set of crash tests consists of running a test car, moving at a speed of 12.80 m/s into a solid wall. Strapped securely in an advanced seat belt system, a 63.00 kg dummy is found to move a distance of 0.690 m from the moment the car touches the wall until
asked by love45 
Physics
The lowest pressure attainable using the best available techniques is about 10^12 N/m^2. At such pressure, how many molecules are there per cm^3 at 0 degrees C. I know that PV= nRT and that you solve for n/v = P/RT. I have also converted from N/m^2 to atm
asked by Ann 
science
Is volume the amount of space an object takes up?
asked by julia 
College Algebra 2
To determine the number of deer in a game preserve, a conservationist catches 810 deer, tags them and lets them loose. Later 684 deer are caught; 171 of them are tagged. How many deer are in the preserve?
asked by Francine 
physics
The surface area and the average depth of the Pacific Ocean are 1.8 x 10 8 km 2 and 3.9 x 10 3 m, respectively. Calculate the volume of water in the ocean in liters.
asked by Latrese 
pre calculus
use given info about a polynomial whose coefficients are real numbers to find the remaining zeros. Degree: 6 so I know there's at least 6 zeros:5isqrt7, 13 + 2ni, 5  3i (where n is a real number) any ideas??????
asked by amy 
English
Here are other two speech acts I changed into indirect speech. I'm posting you them separately. Advising 1)“I think you should/ought to see a doctor”, she said. 2)“It seems to me that you should see a doctor”, she said. 3)“I (strongly) advise you
asked by Henry2 
chemistry
Please explain me which solution reacts faster to breakdown the materials the 25% or 10% HCL?
asked by Jack 
Science help please
My homework asks of me to write a sentence for each word reflecting the scientific meaning and showing how I understand what the word means. I am so puzzled and stuck. I have figured out the definition for the words, but I don't know how to write the
asked by Annonymous 
College Algebra 2
Find the equation of variation in which y varies jointly as x and z and y=8, x=4 and z=2
asked by So Confused 
math
Describe a pattern you could use to complete the following grid and then complete it. 0.35, , , , , 0.95
asked by Anonymous 
chem
calculate standard heats THE following REACTION : (H3C)3COH+HBr> (H3C)3CBr+H20
asked by lim 
Physics
The position vector r of a particle moving in an xy plane is given by [r = (6t^33t)i + (41t^4)j] with r in meters and t in seconds. What is the angle between the positive direction of the x axis and a line tangent to the particle's path at t = 3 s? Give
asked by Kristin 
Physics
At time t = 0, a projectile is launched from ground level. At t = 2.00 s, it is displaced d = 57 m horizontally and h = 73 m vertically above the launch point. At the instant it reaches its maximum height above ground level, what is its horizontal
asked by Sam 
PLEASE HELP!!
A crate of potatoes of mass 23.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.65 and μk = 0.44. Find the frictional force (magnitude and direction) on the crate if the crate is at rest.
asked by Shereen 
help please
sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. why is this not an effective study plan ? A. The task is irrelevant to her priorties. B. The task is not realistic for the time she has set
asked by Ciara 
maths
1) The first term of arithmetic progression is 20 and the sum of it's term is 250. find it's last term if the number of it's terms is 10 2) Find the fifth term from the arithmetic progression 12, 9, 6 hence find the sum of it's first fifty terms. 3)
asked by Amir khan 
Logic Research
Mrs. Orlof teaches two history classes, one in th morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the
asked by Dusty 
math
find the general term of the set. (8,12,16,20,24,...)
asked by old me 
physics
An electron travels 3.75 m in 6.41 × 10−8 s. How fast does it travel? Answer in units of cm/s
asked by Kelly 
chemistry
The mass of a single silver atom is 1.79E22 grams. How many silver atoms would there be in 112 milligrams of silver?
asked by savannah 
physics
two mice are racing to a hunk of cheese.mouse a was between mouse b and the cheese.mouse a started 8.68 meters from mouse b, but "x"meters away from the cheese.both mice traveled at the same velocity,which were 1.43 m/s and started at the same time.it took
asked by sana 
Calculus
I think I have the correct answers for the following problems. For anyone who has the time I would appreciate it if you could tell me if I am correct/incorrect. Thank you. 1). Differentiate ã(x)sin x = (2xcosx+sinx)/2ã(x) 2). Differentiate 2t/(4+t^2)
asked by Linda 
calculus
let f(x) = (x)^(1/2) Compute the difference quotient for f(x)at a=37 and h=33
asked by Ann2793 
Grade 12 Data Management
A baseball player has had 14 hits in 60 times at bat in the last 20 games. How many hits does the batter need in her next ten at bats to increase the probability of her getting a hit to 0.300?
asked by Kira 
Geometry
Find the distance between point R (5,6) and point S (2,0). Round your answer to the nearest tenth.
asked by Crystal 
help please
What is the purpose of study reading ? A. comprehend information B.Absorb and retain the information C.retain information in the longterm memory. D.Both b&c. i got b what do you think?
asked by ciara 
Math
A tenpin bowling ball has a volume of about 5274 cm3. A candlepin (8) bowling ball has a volume of about 48 in3. About how much greater is the volume of a tenpin bowling ball than the volume of a candlepin bowling ball?
asked by Caitlin 
math
Emily takes a trip, driving with a constant velocity of 79.5 km/h to the north except for a 22 min rest stop. If Emily's average velocity is 68.8 km/h to the north, how long does the trip take?
asked by Anonymous 
social studies
i have a project to do on entrepreneur activity.I have to create a product that people will want to but during the time period of 14001600. And create a product product that someone would want to invest in to a jointstock company. I want to used a
asked by neka 
Finance
Joseph has just retired and is trying to decide between two retirement income option as to where he would place his life savings. Fund A will pay him quarterly payments for 25years starting at $1000 at the end of the first quarter. Fund A will increase his
asked by Anonymous 
math214
Following are the men’s goldmedal times for the 100 m run in the Olympic games from 1896 to 2003, rounded tothe nearest tenth. Construct an ordered stem and leaf plot for the data. Year Time (sec), (rounded) 1896 12.0 1900 11.0 1904 11.0 1908 10.8 1912
asked by darcel78 
Calculus 2
The question is: Evaluate the improper integral for a>0. The integral is: the integral from 0 to infinity, of e^(y/a)dy Can anyone help me solve this? When I try I get 'a', which apparently is incorrect. Thank you!
asked by Sara 
physics
Particle 1 is moving on the xaxis with an acceleration of 5.55 m/s2 in the positive xdirection. Particle 2 is moving on the yaxis with an acceleration of 7.45 m/s2 in the negative ydirection. Both particles were at rest at the origin at t = 0 s. Find
asked by Anonymous 
Decision Criteria
You have available five different investment strategies and their respective payoffs for various statesofnature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate
asked by Deana 
physics
If a race car completes a 3 mi oval track in 50 s, what is its average speed? Did the car accelerate? 1. Yes, the speed changed. 2. No, the speed didn’t change. 3. Yes, the direction of the motion changed.
asked by anon 
Life Direction
Life Direction has three parts: vision, setting goals and a plan of action. Provide a brief description of each three and discuss their importance.
asked by Anonymous 
help please:)
All of the following statements about skimming are true EXCEPT: A. skimming is not an effective techniques for retaining information . B. it does not require attentive reading C. skimming is an effective techniques for identifying the main idea D. Most of
asked by ciara 
Chemistry
When aqueous CuSO4 is added to aqueous Na2S2O3, why is there no reaction?
asked by Hannah 
physics
A small fish is dropped by a pelican that is rising steadily at 0.63 m/s. After 2.5 s, what is the velocity of the fish? The acceleration of gravity is 9.81 m/s2. Answer in units of m/s
asked by Anonymous 
Comp
An effective persuasive essay involves developing an outline, planning topic sentences, and identifying supporting points. How will you using these three concepts in planning and writing an essay?
asked by Her 
physics
a speeder is going at a constant speed of 20m/s when a police car accelerates from rest at a rate of 4.5,/ssquared to catch them. How long did it take for the officer to reach the speeding car?
asked by Sam 
tx, history
give three examples of how humans effect geography.
asked by precious 
Algebra
2/5x^423x^2+1/15 x^4+5x^25 Simplify each expression.
asked by Molly 
Statistics
You have available five different investment strategies and their respective payoffs for various statesofnature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate
asked by Deana 
statistics
draw a negatively skewed result
asked by nicole 
help
1.Lynn's teacher likes to give lectures and rarely uses the overhead or challenges to illustrate her points. Lynn is struggling in the teacher's class. What is least likely lynn's preferred style of learning? A. auditory B. Kinesthetic C. Visual D. Musical
asked by Ciara 
math
graph the points in each group and connect each point with the next point using straight line segments. Do not connect the last point in one group with the first point in the next group.
asked by Dylan 
Physics
Problem 22.2 2*10^ 13 electrons flow through a transistor in 1.0 ms. Part A  What is the current through the transistor? Express your answer using two significant figures. in mA
asked by Paige 
help please
The pattern of learning that is strongest is called : A.learning modality B.intelligence activity C.learning style D.both a&c I got c what do you think?
asked by Jessica 
Chemistry
What volume will 12.0 grams of neon gas occupy at 25 degrees C. and 3.05 atmospheres?
asked by Anonymous 
math
1 cubic yard equal how many cubic foot
asked by cindy 
math
A garbage can is in the shape of a rectangular prism. The area of the base of the garbage can is 480 square inches. The height of the garbage can is 30 inches. (Part A) how many cubic inches of space are inside this garbage can? (Part B) Explain how you
asked by tony 
Chemistry
In the following reaction, it 13g of sodium are reacted how many grams of copper(solid) can be obtained? 2Na(s)+ Cu(NO3) 2   > 2NaNO3 + Cu(s)
asked by Seth 
Help Please
1.Lynn's teacher likes to give lectures and rarely uses the overhead or challenges to illustrate her points. Lynn is struggling in the teacher's class. What is least likely lynn's preferred style of learning? A. auditory B. Kinesthetic C. Visual D. Musical
asked by Ciara 
English
I'm finding it difficult to turn sentences (or better speech acts) into indirect speech. Can you please check my sentences (for making arrangements)? Thank you!! Making arrangements 1)“Is it OK if we to meet/if we meet at seven o’clock for dinner?”
asked by Henry2 
Physics
Two forces are applied to a car in an effort to accelerate it. The first force, F1 = 326 N, is applied at an angle α = 40° to the forward dashed line. The second force, F2 = 488 N, is applied at an angle β = 8° to the forward dashed line. a. What is
asked by Bridge 
Chemistry
I am having a hard time solving this problem. The formula given is: T=Tin  (Tin  Tinit.)e(v/v)t If the initial temperature Tinit is 115 (degrees F), the cold water temperature is 35 (degrees F) (1.7 degrees C), and the volume and volumetric flow rate
asked by Angel 
math214
Use the following data to justify the amount of time that you expect to assign for weekly homework to classes in grades K–4 and grades 5–8. National Survey of Teachers Concerning the Amount of Homework Assigned per Week k4 (percentages) 5–8
asked by darcel78 
Physics
A ball is thrown vertically upward, starting at y = 0, with a velocity of 15.0 m/s. (a) Calculate the maximum vertical displacement of the ball. (b) Calculate the time required for the ball to reach its highest point. (c) What is the ball's acceleration
asked by Fawad 
English
I included other speech acts. Thank you. 1)“How would you like to go to the zoo?”, he said. “I’d love/like to”. “That sounds great”. 2)“Would you like to go to the zoo?”/”Do you want to go to the zoo?” “I’d love to, but I
asked by Henry2 
physics
Two particles are at the same point at the same time, moving in the same direction. Par ticle A has an initial velocity of 9 m/s and an acceleration of 2.7 m/s2. Particle B has an initial velocity of 2.9 m/s and an acceleration of 4.2 m/s2. At what time
asked by Hannah 
help please
In studing, reading, and listening , using the information you have learned in some way is important because: A. It helps you to retain the information . B. The information becomes relevant to you. C. You will most likely remember the information. D. All
asked by Ciara 
Physical Science
A charge of +2 X 10^7 C is 10 cm from a charge of 6 X 10^6 C. Find the magnitude and direction of the force of each charge.
asked by Jackson 
south lewis
when water and ice are mixed the temperature of the mixture is 0 degrees Celsius. When methyl alcohol and ice are mixed a temperature of 10 degrees is obtained. Why is there such a difference?
asked by Kimberly 
Math PLEASE HELP
solving for X: 3000=8800(1+(0.025)x) I divided both sides by 8800 got 15/44= 1+0.025x subtracted each side by 1 then got 29/44=0.025x = 26.36.. Is that right?
asked by Harold 
word problem(algebra)
in 2001,there were g white storks migrating fron europe to africa in winter.The next year, only half of the white storks made the journey to africa.in 2003,the number of migrating white storks decreased by another 45. (a) find the number of white storks
asked by kimi 
Math PLEASE HELP
solving for X: 3000=8800(1+(0.025)x) I divided both sides by 8800 got 15/44= 1+0.025x subtracted each side by 1 then got 29/44=0.025x = 26.36.. Is that right?
asked by Harold 
CalculusPythagorean Theorem
Use the Pythaogorean Theorem to determine the exact length of AB. Express the answer as A) an exact value in simplest mixed radical form B) A decimal to the nearest hundredth The picture is right here, I uploaded it of the diagram. h t t p : //imageshack .
asked by Untamed 
Physics
For a 1.1 km radious cylinder, find the time for one revolution if "gravity" at the surface is to be 9/8m/s^2. I changed 1.1km= 1100m Then I used the equation a=v^2/r to calculate the velocity. the square root of: 1100 x 9.8= 103m/s I guess my confusion is
asked by Mily 
statistics
Will the sampling distribution of means be approximately normal if n=25 or so, even if the frequency distribution of X values is not normal?
asked by Carol 
english
hey i really need help in this plzzzzz Each of the following exercises shows the original source, and then a student’s sentence and/or citation about that source. Each sentence and each citation has at least one thing wrong with it (most have more than
asked by memo 
math
X=e^(6)(.075) how would u solve that the answer is x=1.5683, however i keep getting 30.257
asked by Harold 
Chemistry
Confused again ok I have to find the number of atoms in carbon with a mass of 13.5. So this is what I didi. 13.5 / 12.01* 6.022 *10^23= 6.77x10^23 but the correct answer is 6.74x10^23 what have I done wrong
asked by Monique 
help please:)
In the SQR3 method, the three R's stand for all of the following EXCEPT: A. read B. recite C .revive D. review i got C what do you think?
asked by ciara 
Finance
Joeli deposited $1000 on 1 January 2011 in an account paying interest of 12% p.a compounded quarterly. He also deposited $800 (on 1 January 2011) in another account which pays 15% p.a. effective interest. Find the time (n) when the two accounts will be
asked by Anonymous 
Marketing
what is an example of a primary data source? A. Cost data B. A marketing information system C. Company files D. Website analysis I was thinking website analysis but, really not sure.
asked by Anonymous 
math
find the product or quotient. write the strategy you used, write model, break apart, multiplication table, inverse operations, pattern, or doubles
asked by william 
geometry
find the distance points of each pair of points 12.G(0,0),H(3,4) 13.N(5,2),K(2,8) 14.A(4,4),W(2,2)
asked by sequoia 
Physics
The position vector for an electron r is = (7.8 m)i  (2.6 m)j + (6.9 m)k. Find the magnitude of r.
asked by Kathy 
English 101
What are some interesting topic regarding Pop Culture. Any ideas for my research paper.
asked by Kelly 
diffirential calculus
two points are moving horizontally in space at different heights above the earth. show that the angle of elevation of the line joining them is greater when the distance between them is least.
asked by kait 
pre calculus
Ok not sure if it's just me with a block solve the following equation in the real number system. x^4 +3x^3 + 3x^2 + 21x  28 = 0
asked by amy 
physics
A 300 kg sailboat accelerates at 0.5 m/s^2 at an angle of 25degrees North of East. Find the magnitude and direction of the force responsible for this accelereation.
asked by Apple 
Math
Trains a and b are travelling in the same direction on parallel tracks. Train a is travelling at 40mph and train b is travelling 48mph.Train a passes a station at 3:10 a.m. If train b passes the same station at 3:40 a.m., at what time willtrain b catcth up
asked by michael 
Physics
Problem 22.2 2*10^ 13 electrons flow through a transistor in 1.0 ms. Part A  What is the current through the transistor? Express your answer using two significant figures. in mA
asked by Paige 
math
The sum of three consecutive integers is 267. What is the largest integer?
asked by Anonymous 
Book Summary
In the book: "A Tale of Two Cities"; in book one chapter one "The Period". What is that chapter taliking about it is really confusing. You don't really meet any characters yet. HELP PLEASE!
asked by Kate 
physics
A car travels along a straight stretch of road. It proceeds for 15 mi at 51 mi/h, then 28.2 mi at 44 mi/h, and finally 36.4 mi at 39.3 mi/h. What is the car’s average velocity during the entire trip? Answer in units of mi/h
asked by anon 
Math
Tonia deposited a total of $174.52 into her checking account. She also withdrew a total of $186.15. Use addition to find the net change in Tonia’s checking account.
asked by Caitlin 
math
if you walk for m minutes, the number c of calories used is proportional to the time you walk. if 30 caloris are used when you walk for 12 minutes, write an equation of variation and find the number of calories used when you walk for an hour
asked by rozzell 
Writing
I need help with unscrambling this sentence  a the absorbs upper rays uv beneficial of layer atmosphere, ozone
asked by Eric 
Math
You have available five different investment strategies and their respective payoffs for various statesofnature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate
asked by Deana 
Grade 12 english
I have to write a reader response theory on a story, and I'm having a hard time understanding what exactly reader response theory is, could anyone explain? Thanks!
asked by Jestercrate 
English
Here is the second speech act. Thank you for your cooperation. I also wanted to know if: A) Would you prefer it if we met at six? has the same meaning as B) Would you prefer to meet at six? Is "it" necessary in sentence number 1? Indirect speech: She asked
asked by Henry2 
Chemistry
Ok I think I'm gettingvit I hope, I need to check my work. Given 0.0449 mols Pt Find mass 0.0449 mol Pt x 195.08/1 =8.76g Pt Am I right
asked by Monique 
College Chemistry
One liter of benzene (C6H6) is completely burned (oxidized) with air. Write a balanced chemical equation to represent this reaction.
asked by Jenny 
physics
What coefficient of friction is required to stop a hockey puck sliding at 12.3 m/s initially over a distance of 38.7 m?
asked by Anonymous 
Help please
Tom has difficulty battling distractions while studying. Which of the following strategies would help him with this problems? A. Taking notes to keep him focused. B. Improving his studying environment. C. Adding positive messages to his study area. D. both
asked by Ciara 
Comp 156
An effective persuasive essay involves developing an outline, planning topic sentences, and identifying supporting points. How will you use these three concepts in planning and writing an essay?
asked by Her 
US history
View of himself : He saw him self as a man who has risen from the bottom to the top with self determination despite of his financial problems. Describe his character : Nixon was a very insecure and paranoid president, because of his past low stature he
asked by HM 
English
Could you check these other sentences, too? Thank you. 1) She proposed renting a house in the mountains. 2) She proposed that I rented a house in the mountains. 3) She said the banks must be closed. 4) “You must finish this homework for tomorrow.” She
asked by Henry2 
Astronomy
Star 'A' has twice the radius of star 'B'. The ratio of the surface area of star 'A' to the surface area of star 'B' is equal to 8 4pi 2 1/8 4
asked by Jenna 
help please
Disscussing concepts with others as a way of learning a concept would be an effective study techniques for which of the following learning modalities? A. Visual B. Kinesthetic C. Auditory D. All of the learning styles i got A what do you think ?
asked by Ciara 
geometry
Find the length of a side of a square whose perimeter and area have the same value. help? perimeter of a square is P=4s & the area of a square is A=s^2
asked by jaz 
math
A cubic yard is 3 feet long by 3 feet wide by 3 feet tall. (Part A) How many cubic feet are in 1 cubic yard? (Part B) Landscaping mulch costs &1 per cubic foot. What is the cost for 3 cubic yards of landscaping mulch?
asked by john 
help please
Which of the following are positive results of using new study techniques ? A. Learning new materials will become easier. B. You will retain more of what you learn. C. You gain power and responsibility over your learning. D.All of the above . i got C what
asked by Ciara 
Mun
vector A is 3.95 m and points 37.4 deg north of east vector B is 6.60 m points 37.9 deg east of north what is the resultant vector
asked by Joseph Charles 
Geometry
Which statement describes the similarity between sketches and drawings? A: Both sketches and drawings are made freehand. B: Both sketches and drawings do not require a compass. C: Both sketches and drawings do not need drawing tools like a pencil. D: Both
asked by Kim 
Algebra
find any intercepts then graph the linear equation x+3y=9
asked by john 
psychology
Perceptual illusions occur when our brain misinterprets sensory information or because of sensory: A) overload. B) adaptation. C) deprivation. D) patterns.
asked by missy 
college Algebra
Let g(x) = x3  12x + 16. Find the location of the local minimum of this function (there is only one such location). Evaluate function g(x) at the xvalue of the ordered pair location of this local minimum.
asked by Brianna 
English
Illustration essay: Succesful student In order to be succesful college student must be punctual to class and dedicated to his work. For instance if a student is punctual and comes to class daily : He will be constantly reminded of the upcoming assignments
asked by HM 
calculus
How would you solve by completing the square? 3x^2 + X  1/2= 0
asked by Elliot 
ALGEBRA2
HAS THE CONTENT in this course allowed you to think of math as a useful tool? if so how? what concepts investigated in this course can apply to your personal and professional life? in what ways did you use my mathlab for extra support?
asked by pat 
physics
A car travels in a straight line for 4.9 h at a constant speed of 73 km/h . What is its acceleration? Answer in units of m/s2
asked by anon 
physics
if two lighting volts heat exactly same place at the same time in are frame of ref,it is possible that observes in other frames will see the volts heating at def. time or diff. places? explain
asked by angie 
Chemistry
A dragster moves at a speed of 225 miles per hour. Express this speed in nanometers per Microsecond. Ok so I've solved this problem like twenty times, each time adding something into the equation or taking something out and I almost got the correct answer,
asked by Bob 
science
what is the ratio of 54 colored m&M's with 8 of them being green and 9 of them being blue. Need answer on how you come up with answer
asked by anthony 
6th grade math
Chan drove for X miles at 45 miles an hour, Y miles at 60 miles an hour, and Z miles at 55 miles an hour. Which expression can be used to find the total numbers of hours that Chan drove? A. (45+60+55)(XYZ) B. 45X + 60Y + 55Z C. (45+60+55)/XYZ D. X/45 +
asked by Kate 
math
Fraction simplest 12 over 210
asked by bri 
Physics
A dog is running at 3.0 m/s for 3.6 km. How long did it take him to arrive at his destination? (Give answer in seconds)
asked by Melony 
statistics
For a population with µ = 70 and ó = 20, find the zscore that corresponds to each of the following Xvalues
asked by Anonymous 
physics
A bus slows down uniformly from 65.0 km/h to 0 km/h in 20.0 s. How far does it travel before stopping? Answer in units of m
asked by Grey 
math
a function f(x)has doamin {xeR/x>4} and range {yeR/y
asked by Melissa 
Chemistry
Oxygen is 36.8% of a compound. What is the mass in grams of a sample of the compound that contains 21.8 g of oxygen?
asked by Anonymous 
finance
What are the similarities and differences between net present value and interest rate of return? Which method do you prefer to use in making capital budgeting decisions? Why?
asked by lisa 
Math PLEASE HELP
solving for X: 3000=8800(1+(0.025)x) I divided both sides by 8800 got 15/44= 1+0.025x subtracted each side by 1 then got 29/44=0.025x = 26.36.. Is that right?
asked by Harold 
math
Iam a 2 digit #.Both of my Digits are even My ten digit is 8 more than my ones digit. What # am I?
asked by Zachery 
Science
How is it possible that the gravel, for example, in a sedimentary rock consists of pieces of both igneous and metamorphic rocks?
asked by Lola 
psychology
I have to define organizational psychology and the difference in general psychology. Let me know if I am correct and where I could find more information please. Organizational Psychology studies the behaviors of people in a formal organizations. While
asked by Patiance 
chemistry
The formula weight of diethyl ether is 74.0 amu. What is the weight of 4.25 ´ 10 20 molecules of diethyl ether?
asked by jean 
Chemistry
What volume will 12.0 grams fo neon gas occupy at 25 degress C. and a pressure of 0.520atm?
asked by Maryland 
math
jill has four of her five game scores: 8 6 6 3 her average score for the five games is 6 points. what is the fifth game score? write an equation to help solve the problem.
asked by Tyler 
physics
By considering the nergy time uncertainity principle, estimate the range of the weak nuclear interaction at low energies. compare this range to the size of a typical nucleon for exapme a proton and therefore explain why the weak nuclear interaction between
asked by shumaila 
American Literature
I am doing a paper on The Minority Experience  American Indian Studies. My question would be how far back can any of this information acutually be documented? My professore replied this is fine as long as I make my focus a literay one. He suggest using
asked by Toni 
MAth
Ida plans to construct a square showing exact measurements of the sides. Which combination of tools would best help Ida construct the square? Answer A: pencil, compass, and straightedge B: pencil, string, and compass C: pencil, ruler, and straightedge D:
asked by Taylor 
statistics
what sampling technique is used if a qualitycontrol inspector selected every 20th DVD player as it came off an assembly line
asked by jack 
math
Linear Programming word problem Full Question: Madison is preparing a wilderness backpacking trip on which she plans to eat a combination of cereals and nuts. The recommended daily requirement is at least 300 calories and 2.4 ounces of protein. Each ounce
asked by Anonymous 
marketing
You have been asked to create a project plan paper based on research and the project management skills you have mastered in this course. Specifically, your paper will address a plan for the operations of a sole proprietorship business in a service or
asked by Anonymous 
chemistry
How many grams of water should you add to 33.0 of sucrose, , to get a 0.795 solution?
asked by Juliana 
Physics
A ball, initially at y = 0, is thrown straight down and takes 1.50 s to move 15.5 m in the  y direction. Calculate the initial velocity of the ball. Calculate the velocity of the ball at t = 0.900s.
asked by Fawad 
help please
Renne has a research paper due in three days. She has set aside two hours to complete this task, What is wrong with this study goal ? A.it is not significant and cant be rewarded. B. The goal is not concrete and specific. C. The time she has alloted is not
asked by Ciara 
Geometry
If the rule (x, y) ¡ú (x + 3, y ¨C 3) is applied to the original triangle, give the coordinates of and draw the image. Show your work for calculating the coordinates of the resulting image.
asked by Christian 
social studies
The study of sensation and perception is important to a psychologist because perception and sensation are the foundation of: Aneurotransmitters and the brain's function. Bmemory and how it is experienced in the world. Cthe science of neuropsychology.
asked by john 
math
use intermediate value theorem to show f(x) has a zero f(x)= x^5  4x^4 7x^2  6x; [0.7, 0.6]
asked by M 
Written Analysis
I am in desperate need of some help with these questions? Can you identify which theory of life's origin is "true"? By what basis do you make your decision. Should one theory or the other or both be taught in acts that are left school? If so, should they
asked by Keri Ann 
Chemistry
Given 2.05 mol Hg find mass Hg 2.05 mol Hg x 200.59g Hg / 1 mol Hg =411g Hg My question is would my answer be wrong if I put it in scientific notation 4.11E2
asked by Monique 
Math
(1/25)^1/2 i know the answer is 0.02 but how do you find it in a fraction without using a calc?
asked by Allie 
Biophysics
a person is standing with there feet 0.1m apart and length from shoulders to feet(pivot point) is 1.5m what is the minimal coefficient of static friction required so that the frictional force is at least 1.5 x as large as the external force toppling the
asked by nully 
mis
what is the function of fiber optics communication cable and enterprise software for the it system in a school?
asked by digital city 
precalculus
use remainder therem to find the remainder when f(x) is divided by x+2 then use factor to determine whether x +2 is a factor f(x) = x^6 + 2x^5 + 3x^2  2x  16
asked by amy 
Algebra
I can't get this problem, could you please help me? Solve each system of equations x+2y=12 3y4z=25 x+6y+z=20
asked by Beth 
math
What is the volume of a sphere with a 10 inch radius?
asked by Mika 
English
I forgot to include these sentences. Can suggest be followed both by the "subjunctive" and "should"? Thank you. 1)“I suggest/recommend that you should see a doctor." OR that you see a doctor. Reported speech: He suggested/recommended that I should see a
asked by Henry2 
Geometry
a rectangle has an area of (2x^2 +12), a length of 9x+1) and a width of (3x6). what is the value of x?
asked by Amber 
displaying data
The data shown estimate the number of flea eggs produced over a period of days. Day No. of Eggs 1 436 2 495 3 575 4 444 5 754 6 915 7 945 8 655 9 782 10 704 11 590 12 411 13 547 14 584 Day No. of Eggs 15 550 16 487 17 585 18 549 19 475 20 435 21 523 22 390
asked by darcel78 
help please
SQR3 is a method used to : A.increase speed B.improve comprehension C.improve reading skills. D.both B&C I got D what do you think?
asked by ciara 
US history
View of himself : He saw him self as a man who has risen from the bottom to the top with self determination despite of his financial problems. Describe his character : Nixon was a very insecure and paranoid president, because of his past low stature he
asked by HM 
physics
superman flies to a meteor traveling at 440km/hr.superman slows it down at a rate of 24.8m/s^2.how long before the man of steel stops the meteor?how far did he travel with the meteor?
asked by sana 
help please:)
Which of the following is not important in SQR3 method? A.increse in the speed of reading B.absorption of information C.improvement of reading skills D.increse in retention I got A what do you think?
asked by ciara 
social studies
Humans rely most heavily on the sense of __________, because evolution designed us to be more active during the daytime than at night. Ataste Btouch Chearing Dsight
asked by john 
help please
Renne has a research paper due in three days. She has set aside two hours to complete this task, What is wrong with this study goal ? A.it is not significant and cant be rewarded. B. The goal is not concrete and specific. C. The time she has alloted is not
asked by Ciara 
Chemistry
Plot data, preform interpolations or extrapolations, determine slope of best line, determine y intercept. Write equation of the line. T in Kelvins40.0 70.0 100.0 120.0 0 V in ml 250.0 430.0 610.0 730.0 0 Value of V at T= 50.0? Value of T when V= 800.0?
asked by Connie 
Math
Is 0 an even natural number?
asked by Jenny 
help please
When trying new study techniques that appeal to your strongest learning style, you should expect which of the following ? A. I t will be challengiing at first it is new. B.You will see instant results C. learning will become more enjoyable and rewarding D.
asked by Ciara 
English
what is the rhetorical strategy used in this parapgraph and what is the effect/function. Please quote the sentence of where the rhetorical strategy is used. Paragraph: If a Mongolian restaurant seems exotic to us in Evanston, Ill., it only follows that a
asked by Mario 
physics
is it possible a son is biologicaly older than his parent?
asked by fitz 
math
If f(x) = (x4) (x+3) , determine the xintercept of each function a)y=f(x) b) y=2f(x) c) y=((x+1)) thanks for the help !!!!!!
asked by Melissa 
chemistry
What is the density of air if a 5000ml sample has a mass of 0.125?
asked by eliza Higgins 
help please
The pattern of the following that is strongest is called : A. learning modality B. intelligence activity C. learning style D. both A&C i got c what do you think ?
asked by Ciara 
science
a car exerts tractive force, calculate the force available for acceleration
asked by Rob 
maths
In a reference (O, i, j), the points A (12, 1150) and B (10, 500). The function f is defined on (20, 10) by: f(x) = x^ 4 +2.25 x^344.5x^2260x+100 We note Cf his(her,its) representative curve. We try to determine all the points of intersection of the
asked by thariq 
economics
in economics a price is made up of what two things?
asked by denise 
Science
Why does a toy car go faster and further when it is added weight onto it and is put on a ramp at 45 degrees?
asked by Megan 
maths
solve the formula for the given variable.Assume all variables as nonnegative. A = 5s^2 for s
asked by rose 
Chemistry
The speed of light is = 3x10^8 m/s. How long w ill it take to reach Pluto, 278,000,000,000 km away? This is how I solved it: 3x10^8m/s x 1km/1000m x 1/2.78x10^11 km I keep getting the wrong answer. I am not sure if this is how you set this conversion??
asked by Bob 
algebra
y2/3
asked by Anonymous 
health
How to go into indepth about the conductivity of the heart?
asked by ant 
College Algebra 2
To determine the number of deer in a game preserve, a conservationist catches 810 deer, tags them and lets them loose. Later 684 deer are caught; 171 of them are caught. How many deer are in the preserve?
asked by Francine 
chemestry
calculate the moles of compound in .540g of ammonium bromide
asked by Help! 
help please:)
) What should you do before you begin reading? A. review the introduction and conclusion B. Ask youself question about what lies ahead C. study graphic aids D. both A&B I got D what do you think?
asked by ciara 
geometry
angle 3=3x+9
asked by dee 
geometry
suppose m is b/t L and N. LM=4x+8, MN=9x4, LN=82. what is x?
asked by janet 
Math
Let f(x) = 3x. Find f( 2).
asked by Joker 
english
separate the sentence with a line between the complete subject and the complete predicate Threefourths of the earth / is covered by water, and most of it is salty ocean water. is the line in this simple sentence correct?? THANKS
asked by jill 
physics
a roller coster goes from 43 yards per hour to a stop in the station.it took 4.5 seconds to stop.what was the acceleration? (1yd=0.9144m)
asked by sana 
Social Media
Has the explosion of available information made media coverage better or worse?
asked by Her 
physics
abe left his house at 10:14 and goes north 14.0 kilometers to school then and south 70.6 kilometers to the candy store,arriving at 10:57.what are his displacement,total distance,average velocity?
asked by sana 
physics
jeff gordan traveled around a 1.5 mile track 300 times just bcause he felt like it.it took him 6.14 hours to complete the 300 laps.what was his total distance traveled?(1 mile=1.6093km)
asked by sana 
pre cal
tan θ, cos θ; θ in quadrant III
asked by Anonymous 
physics
a bowler releases her bowling ball at 425.36 cm/s.it decelerates towards the pins at 4.8 cm/s^2.the length of a bowling alley is 60ft.what velocity did the ball hit the pins and how long did it take to get there?
asked by sana 
s.s.
entrepreneur activity during the period 14001600.
asked by neka 
physics 180
olympic skeleton sled racers can reach speeds of 40m/s. find the slope needed to reach that speed after a 30 sec, neglecting friction
asked by nabeelah 
chemistry
What is the density of air if a 5000ml sample has a mass of 0.125?
asked by eliza Higgins 
Physical science
Why is zinc added to gold cyanide
asked by Gugu 
chemistry
is it possible to find out the quantity of aluminium phosphide from stomach wash of 3 ml
asked by himanshi 
psych
what are some of the limitations in using the Jungian theory while counseling depressed clients?
asked by lisa 
physical science
if two lighting volts heat exactly they same place at they same time in are frame of ref.,it is possible that observed in other frames will see the volts heating at diff. time r at diff. places????? explain.
asked by angie 
science
An object measures 12 x 3 x 2.5 cm and has a density of 0.6 g/cm3. When it is placed in water, what is the volume of the part of the object that is above the surface of the water?
asked by Anonymous 
science
An object measures 12 x 3 x 2.5 cm and has a density of 0.6 g/cm3. When it is placed in water, what is the volume of the part of the object that is above the surface of the water?
asked by Anonymous 
4th grade social study
Please HELP! what is the relative location of virginia? Thanks.
asked by Kevin 
his/115
Write a 150 to 200word summary explaining how the existence of the Confederate government played a role in the development of the current Constitution. Use some of the points you included in your table to support your explanation.
asked by darlene 
health article
Find article related to teen depression or anxiety
asked by hoover 
English
I'm reposting you the questions again. Thank you. 1)"I'll buy you lunch, "said Mark. Mark promised to buy me lunch. Mark promised (that) he would buy me lunch. 2) "You must see a doctor." John insisted that I saw a doctor. John demanded that I saw a
asked by Henry2 
Math
3 ^ (y+7) = 8 find y..i know you have to change 3 & 8 to the same thing so you can cancel them out and bring the exponents down but i don't know what you have to multiply it by.
asked by BOB 
Physics
Can you explain how to figure this out? A helicoptor accelerates at a rate of 2m/s^2. If you drop a rock out of the helicoptor 3 seconds after takeoff how high is the helicoptor when the rock hits the ground. Thanks
asked by Hannah 
scicence
the mass of a rock is 15.0 g and its volume is 3ml what is the density?
asked by Anonymous 
Physics
I know a steady force produces a steadily increasing velocity and a constant acceleration. But what happens when you increase the force by doubling or tripling it? I think the acceleration would follow force changes but what about velocity?
asked by Jen 
Math
Doug hop must shovel a pile containing 50 ft squared of sand into a dump truck. With each scoop, he decreases the size of the pile by 16 ft squad. Let x be the of scoop he has shoveled. How much sand is left after 100 scoops? I know the expressionbid 50 
asked by plz help 
math
use intermediate value theorem to show f(x) has a zero f(x)= x^5  4x^4 7x^2  6x; [0.7, 0.6]
asked by M 
sociality
what are the dimentions of cultural diversity?
asked by Chris 
Microeconomics
Applying the concepts. 1.What is the breakeven price? 2.How do entry costs affect the number of firms in the market? 3.Does volentary pricing work? 4.What type of consumers pay relatively high prices? 5.What are the effects of market entry? 6.What does it
asked by Sally 
english
need help writing a poem about facing challenges
asked by lauren 
english
need help writing a poem about facing challenges
asked by lauren 
GeneralEnglish
Is the change in trade name of a material considered a "likeforlike" change?
asked by angie 
essay
can someone critique my short college admission essay and if so how do I submit it
asked by Jac 
Chemistry
Ok I'm given 38.5 mg as mass. I have to find moles and number of atoms. Am I also converting mg to g? If so please help
asked by Monique 
world religionmovie questions
Why was the neighbour called the city of joy in the movie''the city of joy''. pls help
asked by ted 
physics
A project is fire at angale of 45 with xaxis with the K.E 100J what is its K.E energy at maximum height?
asked by maya 
GeneralEnglish
Posted by angie on Sunday, September 25, 2011 at 4:48pm. Is the change in trade name of a material considered a "likeforlike" change? GeneralEnglish  Ms. Sue, Sunday, September 25, 2011 at 4:52pm Please explain what you mean by a "likeforlike" change
asked by angie 
math
3/m^22m+2m1/m^28
asked by robin2m8 
business
starbucks changed the name of some of its coffehouses to connote a different personality to customers. True or False?
asked by Asma 
Social Media
•Huge corporations own every television network and most other media outlets. How does this affect their news coverage? How much influence do you think these corporations have on the public? Do you think the public is aware of the comments made by you
asked by Her 
College Algebra 2
4
asked by Ty 
pre calculus
find the x and y intercepts of f(x) = x^2 16/ x^2  4 obtain additional points ?
asked by amy 
math
Can someone help me with how to determine the slope?
asked by Crystal 
biology
is it possible a son is biologicaly older than his parent?
asked by fitz 
English
Thank you very much. Could you please check these sentence, too? 1)"I'll buy you lunch", said Mark . Mark promised to buy me lunch. Mark promised (that) he would buy me lunch. 2) 'You must see a doctor.' John insisted that I saw a doctor. John demanded
asked by Henry2 
MAth
4.8 (4.9) + 5.7
asked by hoover 
geography
hi ms sue! how do i show the calculation i am doing longitude and time?
asked by revalino 
cal
f (t) = radical 5 divided by t^4
asked by kry 
area an perimeter
a parallelogramhas an area of 4yd squared the height is 1yd find the base
asked by margie 
s.c.
is it a good ideal to use a resturant.
asked by neka 
s.s
what should i used.
asked by neka 
math
write down four odd digits that summ up to 19.
asked by Reba 
chem
why are electron groups that repel each other higher in energy?
asked by tom 
business communication
which of the following is not something to check during a thorough revision?
asked by Anonymous 
chemisty
What volume of silver will weigh exactly 25.0g? The density of silver is 10.5g/ml.
asked by eliza Higgins 
math
x^(2ln(x)1) +e^1/9=(1+e^1/9) *x^(ln9x)0.5)
asked by jen 
how to write a journal
how to write a effected journal
asked by Anonymous