Questions Asked on
November 8, 2011

physics
Two cars leave the same point at the same time, each travelling at the same constant speed and each having the same mass. The first car drives directly east, while the second car heads directly north. If the centre of mass of the twocar system is
asked by john 
statistics
The amount of corn chips dispensed into a 16ounce bag by the dispensing machine has been identified at possessing a normal distribution with a mean of 16.5 ounces and a standard deviation of 0.1 ounce. Suppose 400 bags of chips were randomly selected from
asked by UG 
Math 113
Verify tanxsin2x = 22cos^2x
asked by Jake 
physics
The acceleration due to gravity at the north pole of Neptune is approximately 10.7 m/s^2. Neptune has mass 10^26kg and radius 25000km and rotates once around its axis in a time of about 16h. What is the gravitational force on an object of mass 4.8kg at the
asked by omg 
math PLEASE HURRY
there are 24 students in a science class. Mr. Sato will give each pair of students 3 magnets. So far, Mr. Sato has given 9 pairs of students their 3 magnets. homw many more magents does Mr. Sato need so that each pair of students has excatly 3 magnets.
asked by jessica 
maths
from the top of a light house the angle of depression of a ship sailing towards it was found to be 30 degrees . after 10 seconds the angle of depresion changes to 60 degrees. assuming that the ship is sailing at uniform speed. find how much time it will
asked by pooja 
Physics
When empty, a particular helicopter of mass 3770 kg can accelerate straight upward at a maximum acceleration of 1.32 m/s2. A careless crewman overloads the helicopter so that it is just unable to lift off. What is the mass of the cargo?
asked by Rae 
physics
When catching a baseball, a catcher's glove moves by 12 cm along the line of motion of the ball. If the baseball exerts a force of 463 N on the glove, how much work is done by the ball?
asked by mike 
Chemistry
Calculate the freezing of solution of 3.46 g of compound,X, in 160 g of benzen.when separated sample of X was vaporised, it density 3.27 g/L at 116 c and 773 torr. The freezing point of pure benzene is 5.45 c and Kf is 5.12 c/m.
asked by Ethio 
trig
a tree growing on a hillside casts a 102foot shadow straight down the hill. Find the vertical height of the tree if, relative to the horizontal, the hill slopes 15.0 degrees and the angle of elevation of the sun is 62.0 degrees.
asked by jc 
math
Mary bought a roll of ribbon.After using 5/8 of the ribbon to decorate some packages,she had 15ft of the ribbon left.How many feet of ribbon did she buy?
asked by lidia 
statistics
The average score of all golfers for a particular course has a mean of 73 and a standard deviation of 3. Suppose 36 golfers played the course today. Find the probability that the average score of the 36 golfers exceeded 74.
asked by Anonymous 
Calculus
The circumference of a sphere was measured to be 81 cm with a possible error of 0.5 cm. Use linear approximation to estimate the maximum error in the calculated surface area
asked by Emely 
statistics
The below table shows the probabilities generated by rolling one die 50 times and noting the up face. What is the probability of getting an odd up face?
asked by UG 
Math
Classify triangle ABC by its sides if side AB = 6x, side AC = 4x + 6 and side BC = 8x + 3. The perimeter of triangle ABC is 63. Show all your work. Explain your reasoning.
asked by Chris 
physics
A child lifts a 5.0newton toy to a height of 0.50 meters. How much work is done on the toy?
asked by joe 
Chemistry
Substance A has a normal fusion point of ‑10.0 oC, an enthalpy of fusion = 150.0 J g^1; specific heats for the solid and the liquid are 3.00 and 6.20 J g^1 oC^1, respectively. How much heat, in J, is required to change 150 grams of A from a solid at
asked by Kale 
geometry
Point A is the incenter of (triangle) PQR. Find each measure. ARU AU QPK
asked by Jordan 
statistics
Assume that blood pressure readings are normally distributed with a mean of 123 and a standard deviation of 9.6. If 144 people are randomly selected, find the probability that their mean blood pressure will be less than 125
asked by Anonymous 
statistics
The owner of a computer repair shop has determined that their daily revenue has mean $7200 and standard deviation $1200. The daily revenue totals for the next 30 days will be monitored. What is the probability that the mean daily revenue for the next 30
asked by UG 
geometry
An equilateral triangle has sides that measure 5x+3 units and 7x5 units. What is the perimeter of the triangle?
asked by Julie 
statistics
The breakdown of workers in a particular state according to their political affiliation and type of job held is shown here. Suppose a worker is selected at random within the state and the worker's political affiliation and type of job are noted. Given the
asked by ify 
Statistics
(a) If 10 auto insurance claims are taken at random, use the binomial distribution to determine the probability that: (i) at least 6 claims are fraudulent (ii) at most 3 claims are fraudulent (iii) anywhere between 5 and 8 (inclusive) claims are fraudulent
asked by Anonymous 
Physics
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass
asked by Anonymous 
Grammar
Agreement questions. 1. A number of small bruises __________ present upon examination. A) was B) were 2. A) The patient was brought to the operating room, and we induced general endotracheal anesthesia, and then prepped and draped in the usual sterile
asked by Cindy 
physics
A bullet of mass 4.7 g is fired horizontally into a 2.4 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.28. The bullet stops in the block, which slides straight ahead for 2.2 m (without
asked by Mark 
physics
Two cars leave the same point at the same time, each travelling at the same constant speed and each having the same mass. The first car drives directly east, while the second car heads directly north. If the centre of mass of the twocar system is
asked by henry 
Algebra
A tourist bus leaves Richmond at 1:00 P.M. for New York City. Exactly 24 minutes later, a truck sets out in the same direction. The tourist bus moves at a steady 60km/h. The truck travels 80km/h. How long did it take the truck to overtake the bus.
asked by Jonny 
Algebra
Can you please check my work? You have helped other students I know. Thank you:) Multiply 7(2a2 4) = 14a2 + 28 Multiply 0.5(a + b 5) = 0.5a + 0.5b  2.5 Factor bx  by + bz = b(x  y + z) Combine like terms (simplify) 12x + 4  11y  6x  9  y = 6x 
asked by Sharon (ms. Sue) 
Biology
7) The dumping of large amounts of raw sewage into rivers or lakes typically leads to massive fish kills, although sewage itself is not toxic to fish. Similar fish kills also occur in shallow lakes that become covered in ice during the winter. What kills
asked by Cassie 
algebra
find the length x in the figure a shape like a shoe with x on top, 10 cm to the height, 6cm on the lace shoes and x in the front shoes.the area of the shaded region is given 144 cm square.
asked by lan 
Calculus
If the equation of motion of a particle is given by s = A cos(ωt + δ), the particle is said to undergo simple harmonic motion. (a) Find the velocity of the particle at time t. s'(t) =  A ω sin(ωt + δ) I figured out how to do part a, but I don't know
asked by nyk 
math
Two cards are selected at random without replacement from a wellshuffled deck of 52 playing cards. Find the probability of the given event. (Round your answer to three decimal places.) find the probability that A pair is not drawn.
asked by Rico 
Physics
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass
asked by Anonymous 
geometry
Joey says that triangle XYZ is obtuse. Robin disagrees because there are more acute angles then there are obtuse angles therefore it must be acute. Is either one of them correct? Explain your reasoning.
asked by Kodah 
math
a man walked for some distance at 8km/h, and for an equal distance at 5km/h. the total time he took was 3 1/4 hours. find the distance he walked
asked by Anonymous 
physics
A cart connected to a spring oscillates according to the following position equation: x = 0.20m cos (8 t) What is the period of this oscillation? What is the cart's velocity after 4 seconds?
asked by jason 
Precal
.Pump Jack Problem: An oil well pump jack is shown in Figure 39f. As the motor turns, the walking beam rocks back and forth, pulling the rod out of the well and letting it go back into the well. The connection between the rod and the walking beam is a
asked by Matt 
Physics
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 28 km/h and the μs between tires and track is 0.28? (Answer must be in meters)
asked by Ian 
Geometry
Find the area of the trapezoid. L1 = 23ft, L2 = 15ft, H = 12ft Is 228 ft the correct answer?
asked by Mindy 
Chemistry
A pure sample of (R)limonene has a specific rotation of +125.6. If a sample had a specific rotation of +35.6, how much of each enantiomer is present in the sample? Show your work. I don't even know where to begin....please help :(
asked by Adrianna 
math
You buy a bottle of juice for $1.00. The juice costs .90 cents more than the empty bottle. How much does the empty bottle cost?? The answer is not 10 cents, or $1.00
asked by sarah 
algebra
Baking CookiesWord Problem Our class planned a party for disadvantaged kids. Some of us baked cookies for the party. On the day of the party, we found we could divide the cookies into packets of two,three, four, five or six and have one cookie left over
asked by Linda 
college math excursions
what is the next number sequence for 0,10,24,56,112,190
asked by jane 
physics
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is P1 = 1.85 104 Pa, and the pipe diameter is 5.0 cm. At another point y = 0.30 m higher, the pressure is P2 = 1.05 104 Pa and the pipe
asked by Anonymous 
physics
Water flows over a section of a waterfall at the rate of 5.4 104 kg/s and falls 38 m. How much power is generated by the falling water?
asked by dale 
Physics
A water skier, moving at a speed of 8.36 m/s, is being pulled by a tow rope that makes an angle of 33.4 ° with respect to the velocity of the boat (see the drawing). The tow rope is parallel to the water. The skier is moving in the same direction as the
asked by Elizabeth 
physics
two tractors pull against a 1000 kg log. if the angle of the tractors chains in relation to each other is 18 degrees and each tractor pulls with a force of 800N what forces will they be able to exert
asked by payton 
Physics
This problem compares some energy properties of two motor vehicles: For efficient car, use drag coefficient of .21 and a cross sectional area of 1.5m^2. For a light truck, use drag coefficient of .75 and a cross sectional area of 2.7m^2. Use 1.25 kg/m^3
asked by Lo 
algebra
I have no clue where to begin on this problem. Can some one help me please. One demographer believes that the population growth of a certain country is best modeled by the function P (t) =15 e^.08t, while a second demographer believes that the population
asked by Jessica 
physics
A ball is projected horizontally from the edge of a table that is 1.49 m high, and it strikes the ﬂoor at a point 1.01 m from the base of the table. The acceleration of gravity is 9.8 m/s 2 . What is the initial speed of the ball? Answer in units of m/
asked by light 
Chemistry
An aqueous solution of potassium hydroxide is mixed with an (aq) of magnesium chloride and you get a clumpy white precipitate that forms. Write a complete and balanced equation to calculate the stoichiometry question: how many grams of the precipitate are
asked by Susan 
chemistry
What is the oxidizing agent in the following reaction? Cl2 (g) + 2Na+ (aq) + 2Br (aq) > 2Na+ (aq) + 2Cl (aq) + Br2 (l)
asked by mary 
chemistry
A 5 mL sample of an unknown liquid is placed into a 250 mL flask that has had all of the air removed. The pressure measured in the flask is found to be 39.9kPa. In a separate trial the student puts 214 mL of the same liquid into the same flask at the same
asked by JS 
Physics
A horizontal force of 150 N is used to push a 43.5 kg packing crate a distance of 5.30 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150 N force (b) the coefficient of kinetic
asked by Raqual 
Chemistry
Calculate the pH of the following 0.0500 M H3AsO4 and 0.0500 M NaH2AsO4?
asked by Jessica 
6th grade ELA
an implied main idea is _______________ in a paragraph. can someone help me with this fill in the blank question???
asked by Kate 
algebraic expressions
there are 24 students in a science class. Mr. Sato will give each pair of students 3 magnets. So far, Mr. Sato has given 9 pairs of students their 3 magnets. homw many more magents does Mr. Sato need so that each pair of students has excatly 3 magnets.
asked by kayla 
Physics
A 85.0 N weight is held in the hand. The upper arm makes an angle of 32.0° with the vertical, and the lower arm is 10.0° above the horizontal. Find the tension in the biceps tendon. See figure below.
asked by Kellie 
geometry
Which of the following statements is true?Select one of the options below as your answer: A. A 25o angle is congruent to a 25o angle. B. Two intersecting lines form two pairs of congruent angles. C. It is possible for congruent angles to add up to 90o. D.
asked by angelique 
Biology
6) In detective novels, “the odor of bitter almonds” is the telltale clue to murder by cyanide poisoning. Cyanide works by attacking the enzyme that transfers electrons from the respiratory electron transport chain to O2. Why is it not possible for
asked by Cassie 
human relations
learning is generally considered a lasting change in behavior based on a) practice and experience b) practice and challenge c) challenge and experience d.) challenge and reinforcement
asked by Teweety 
PreAlgebra
Ok so im in 7th grade and can somone help me with pizzazz worksheet #40? Pretty please?
asked by Emily 
Physics
A 235g block is pressed against a spring of force constant 1.55 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using energy considerations, determine how far up the
asked by marvin 
CHEM
Compare the value you obtained from average bond energies: (260Kj) to the actual standard enthalpy of formation of gaseous benzene, 82.9 kj. What does the difference between these two values tell you about the stability of benzene?
asked by ALISON 
algebra
Evaluate 5x3y x=3 and y=4  7
asked by Angela 
Algebra word problem
Baking CookiesWord Problem Our class planned a party for disadvantaged kids. Some of us baked cookies for the party. On the day of the party, we found we could divide the cookies into packets of two,three, four, five or six and have one cookie left over
asked by Linda 
physics
Problem 17.8 Light from a sodium lamp (wavelength = 598) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A  What is the spacing (in mm ) between the two slits? Express your answer using two significant
asked by Paige 
physics
If a man has an average useful power output of 31 W, what is the minimum time, in s, it would take him to lift fifty 12.3 kg boxes a height of 2.3 m. i'm not sure how to go about it if anyone can help me Thanks
asked by henry 
Chemistry
Calculate the pH of the following 0.0500 M H3AsO4 and 0.0500 M NaH2AsO4?
asked by Jessica 
PROBABILITY MATH
A batch consists of 12 defective coils and 88 good ones. find the probability of getting two good coils when two coils are randomly selected if the first selection is replaced before the second is made. Help me.. since it would be replaced would the answer
asked by HM 
trig
Two office towers are 43m apart. From the top of the shorter tower, the angle of elevation to the top of the taller tower is 26o while the angle of depression to the base is 51o. Determine the height of each tower and round your answers to one decimal
asked by max 
physics
A weight (with a mass of 71 kg) is suspended from a point near the righthand end of a uni form boom with a mass of 51 kg . To support the uniform boom a cable runs from this same point to a wall Vertical Height (m) is 7 Horizontal Distance (m) 6 and by a
asked by Marti 
6th grade ELA
Main ideas are __________________. Can someone please help me with this fill in the blank question???
asked by Kate 
physics
What is the magnitude of the momentum of a car weighing 1,555 N when it is moving at a speed of 23 m/s? Express your answer in kg m/s.
asked by Lydia 
6th grade ELA
An implied main idea is _______________ in a paragraph.You have to ask yourself:What do all the supporting details add up to? Can someone please help me with this fill in the blank question???
asked by Kate 
Chemistry
Calculate the pH of a solution made with 0.240 M H3PO3 and 0.480 M NaH2PO3.
asked by Jessica 
Ohm's LAW ELECTricity shop
what is the resistance if a circuit with 120v and 5A its 24 how do i make a diagram of a circuit based on the info above
asked by Adam 
physics
Two dogs pull on a toy. One pulls with a force of 10 N, the other with a force of 15 N. (a) In what relative directions can the dogs act to give the toy the smallest acceleration?
asked by Hannah 
statistics
A manufacturer wishes to estimate the reliability (in months) of a certain product. An estimate of the population standard deviation from a previous sample was 12 months. If the manufacturer desires to be within 4 months of the true value with
asked by Larry 
Calculus
Show that limit as n approaches infinity of (1+x/n)^n=e^x for any x>0... Should i use the formula e= lim as x>0 (1+x)^(1/x) or e= lim as x>infinity (1+1/n)^n Am i able to substitute in x/n for x? and then say that e lim x >0 (1+x/n)^(1/(x/n)) and then
asked by Frederick E. 
statistics
time required to complete a statistics exam is uniformly distributed between 60 and 150 minutes. What is the probability that a student will take longer than 120 minutes to complete the exam
asked by deena 
world history
How did powerful families of Japan like the Fujiwara legitimate their power at court?
asked by brittany 
Statistics
In a population of 240 women,the heights of the women are normally distributed with a mean of 64.2 inches and a standard deviation of 3.2 inches. If 36 women are selected at random, find the mean mu x and stand deviation sigma x of the population of sample
asked by Joe 
chemistry
Calculate the pH from the addition of 10 mL of a 0.10 M NaOH solution to 90 mL of 0.10 M HCl. okay so i understand how to do most of it but i get messed up at one part.. so i made my equation: NaOH + HCl > H2O + NaCl (strong base, strong acid= complete
asked by BOB PLEASE HELP!:) 
Physics
A waterskier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 63.6kg waterskier has an initial speed of 5.3 m/s. Later, the speed increases to 10.8 m/s. Determine the work done by the
asked by Gabby 
Math
one angle of a triangle is 90 degrees. If the ratio of the legs i 1:1, what are the mesuares( in degrees) of the 2 remaining angles?
asked by Maria 
chemistry
DOES H3PO4 HAVE A pH greater than 7 or less than 7
asked by denis 
physics
A 29 g rubber bullet is travelling to the right at 200 m/s, when it hits a 1.1 kg block of wood sitting on a horizontal frictionless surface. If this collision is inelastic (though not perfectly inelastic), and the velocity of the block of wood after the
asked by Lydia 
Please Help!!!!!!
From the top of a lighthouse 55ft above sea level, the angle of depression to a small boat is 11.3 degrees. How far from the foot of the lighthouse is the boat?
asked by Ashley 
Algebra (check my answers)
Please check these answers. Multiply 7(2a2 4) = 14a2 + 28 Multiply 0.5(a + b 5) = 0.5a + 0.5b  2.5 Factor bx  by + bz = b(x  y + z) Combine like terms (simplify) 12x + 4  11y  6x  9  y = 6x  12y  5 Evaluate the expression 3x2y when x = 3 and y
asked by Sharon 
statistics
If one card is drawn from a standard 52 card playing deck, determine the probability of getting a jack, a three, a club or a diamond. Round to the nearest hundredth
asked by ify 
algebra word problem
can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required
asked by marko 
Chemistry
When looking at the Periodic Table, the oxidation state of hydrogen is +1; however my teacher told me that the net charge of hydrogen is 0. I do not understand why this is? Also, How may one calculate the charge of an element if only given the number of
asked by Lesly 
HIS 204
In many ways after the divisiveness and devastation of the Civil War, the United States searched for order economically, politically, geographically, socially and racially. Select one of these areas, or suggest another, and make a case for the reasons why
asked by Bethe 
math
a developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 336 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed and what are the dimensions
asked by Jessica 
Physics
A 235g block is pressed against a spring of force constant 1.55 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using energy considerations, determine how far up the
asked by marvin 
language arts
pick out the verbs and rewrite in standard English. Kevin went to borrow books from the library. when he got home he found that some pages were torn out and others were missing an med the spine of one was twisted.He took the books back to the library and
asked by Oracabessa primary school 
calculus
The total cost of producing x units is C(q) = 2q3 6q218q+108 (a) At what level of production will the total cost be minimized? (b) At what level of production will the marginal cost be minimized? (c) At what level of production will the average cost be
asked by Anonymous 
PHYSIC
1)What must be the orbital speed of a satellite in a circular orbit 740 above the surface of the earth? 2)What is the period of revolution of a satellite with mass that orbits the earth in a circular path of radius 8000 (about 1630 above the surface of the
asked by Ruth 
Calculus
The circumference of a sphere was measured to be 81000 cm with a possible error of 050000 cm. Use linear approximation to estimate the maximum error in the calculated surface area.
asked by Emely 
Calc
definite integral from 0 to 1 of 5xln(x+1)dx
asked by Ed 
writing
is this a correct way to write this sentence Mother sewn fur jackets for Father and I, just in case the weather gets bad. thank you!
asked by Sara 
physics
A drag racer accelerated from 0 to 475km/h in 4.88 s. Assuming a constant acceleration, how far did it travel?
asked by na 
Calculus
I seriously do not understand anything about this problem Please help. The equation of an ellipse centered at the origin is (x^2/a^2) + (y^2/b^2)=1 The area of the upper half of the ellipse can be determined by finding the area between the ellipse and the
asked by Angel 
physics : HELP PLEASE
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave
asked by kim 
physics
Assume you are given two objects whose centre of mass is located exactly at the origin. The first object has a mass of 33 kg and is located at position +30 m with respect to the origin. If the mass of the second object is 7.0 kg, what is its position (in
asked by Lydia 
Science
Are all tornadoes cyclones. I have read many sites some say they are others say no. Can someone give me an accurate site please
asked by Sue 
Math
Find the three geometric means between 2 and 32. Show the work that leads to your answer
asked by Jazmine 
science
I have been searching for a website that tells me about soil and its properties but i cant find one, but my friend recommended Jishka so i am asking if i could get a link???please it would be a huge help ~
asked by Abigal 
Math
The reason I ask this question "What multiplication fact can be found by using the arrays for 2x9 and 5x9 ?" because I want to understand what exactly it mean, Then I could help my son to do the homework. This is not my son post it to ask you. Thanks.
asked by Hong 
Math
solve for 9x21y=28 9x+21y=21 in elimination method
asked by Jason 
math
Lily has 5 apples. She and 4 friends want to share them equally. Which rule of division can help Lily know quickly if everyone can have an apple?
asked by Anonymous 
Algebra  Mrs Sue can you help
can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required
asked by MarKo 
Physics
A horizontal force of 150 N is used to push a 43.5 kg packing crate a distance of 5.30 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150 N force (b) the coefficient of kinetic
asked by Raqual 
Science 6TH Grade
What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please help! ive been on this for 4
asked by Hilga 
Chemistry
C2H5O2N is an important compound. The combustion reaction of glycine proceeds according to this equation: 4C2H5O2N + 9O2 > 8Co2 +10H2O +2N2 which is = 3857 kJ Given CO2 is 393.5 kJ/mol Given H2O is 285.6 Calculate the standard molar enthalpy of
asked by Izzie 
physics
. A ball, initially at rest at t= 0 seconds, rolls with constant acceleration down an inclined plane 10 meters long. If the ball rolls 1 meter in the first 2 seconds, how far will it have rolled at t= 4 seconds?
asked by Anonymous 
chemistry(rusting)
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily have rust?the wind with moisture which contains salt solution,right? however ,i have a problem.When i put the metal in the test
asked by Kong 
physics
Assuming maximal power output, how long, in seconds, would it take a 1,535 kg car with a 128 hp engine to accelerate from 50 km/h to 102 km/h? (1 hp = 746 W)
asked by Lydia 
physics
Ian is firmly attached to a snowboard which is on a flat surface of ice, which you can assume to be frictionless. He and the snowboard are initially at rest. He then throws a 138 g ball which travels at a speed of 19.2 m/s, and finds himself moving
asked by Lydia 
literature
What are two things that can be a symbol of courage?
asked by clare 
Algebra II
Express as a single logarithm with a coefficient of 1. Assume that the logarithms in the given problem have the same base. 4log a3log b+5log c
asked by Arielle 
Algebra
A car started out from Memphis toward Little Rock at the rate of 60km/h. A second car left from the same point 2 hours later and drove along the same route at 75km/h. How long did take the second car to overtake the first car.
asked by Jonny 
physics
a rock is dropped off a cliff. after 4s, what is the rocks velocity? how far did the rock fall?
asked by kyla 
social studies
Why did the English and Spanish want colonies in America?
asked by terry 
Algebra
A stop sign has the shape of an octagon with each side measuring 0.5 ft. To make a scale model of the sign, every dimension is multiplied by 1/20. How is the ratio of the areas related to the ratio of the corresponding dimensions? What is the ration of the
asked by Kylie 
Biology
3) How many carbon dioxide molecules are liberated after each cycle of the Krebs cycle? For a single glucose how many carbon dioxide molecules were already liberated by the aerobic respiration at that point?
asked by Cassie 
COM 156
What websites do you normally frequent? Are these websites credible? When is credibility more important and when is it less important? Support your answers with specific examples
asked by cassandra 
Math
Find the double integral of f (x, y) = (x^7)y over the region between the curves y = x^2 and y = x(3  x).
asked by Josh 
physics
water is being heated in a large beaker. there is a bunsen under it. if a second bunsen was added bellow the largest beaker, what affect would this have? why? (refer to particle behaviour)
asked by lissa 
physics
An object is projected with velocity of 100m/s from the ground level at an angle tita at the vertical,if the total thme is 10s.calculate tita(g=10m/s)
asked by Marnal 
ALgebra pls check 
can youcheck these write a 2 step equation: half a dollar minus five dollars equals fifteen dollars: n/2 5 = 15 five hours more than one half of an hour equals fifteen hours: n/2 + 5 = 15 two less than three times the number of feet of fencing required
asked by MARKO 
physics
A motor car in rectilinear motion steadily decelerates to rest in 20s.Using Newton's second law of motion,explain why a higher force is required to stop the car in 10s than in 20s.
asked by Marnal 
physics.pls help
Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical
asked by ted 
Math
What is the standard deviation to two decimal places for the following data: 4 6 7 4 5
asked by Anthony 
recalus
find the component f and d , so that fog =H H(x)=log3 e^x
asked by tina 
physics
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave
asked by kim 
Chemistry
I have a compound (mx) weak acid (x = Hx) mx in 5M strong acid solution solubility = 5x10(3) Ksp = 1x10(20) Find Ka... I need to know where to start
asked by Chris 
algebra
A drawer contains 2 black sock, 8 gray saocks, and 3 blue socks. Without lookign you draw out a sock and the4n draw out a second sock without returning the first sock. What is the probability that the two socks you draw arer a matching pair?
asked by l kaljfd 
University Maths
Find the area enclosed between the ffg curves : y=lnx and y= 2x+3 and the ordinate x=3
asked by H.A. 
writing sentences and paragraph
i need help on my assignment , please correct where i am wrong . Assignment You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for
asked by louise 
chemistry
WHAT PROPERTY OF SOLUTION IS DESCRIBED BY ITS pH?
asked by denis 
World History
What types of civilizations did the English and Spanish settlers discover in the Americas? How did their views and customs affect the development of America?
asked by Mia 
math
. On a day with no wind, a hotair balloon hovers at a point above a long, straight river. On the west side of the balloon, a sailboat is spotted in the river at an angle of depression of 48o. On the east side, a canoe spots the between at an angle of
asked by max 
inventory management decison model
Develop mathematical functions that compute the annual ordering cost and annual holding costs based on average inventory held throughout the year in order to arrive at a model for total cost.
asked by Anonymous 
math
Gemma says that a regular polygon cannot have an exterior angle of 25 degrees. Is she correct? Explain your answewr.
asked by G 
chemistry(rusting)
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily have rust?the wind with moisture which contains salt solution,right? however ,i have a problem.When i put the metal in the test
asked by Kong 
chemistry(rusting)
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily have rust?the wind with moisture which contains salt solution,right? however ,i have a problem.When i put the metal in the test
asked by Kong 
chemistry(rusting)
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily have rust?the wind with moisture which contains salt solution,right? however ,i have a problem.When i put the metal in the test
asked by Kong 
algebra
P. 620 #56. Predicting Home Prices Selling prices of homes can depend on several factors such as size and age. The accompanying table shows the selling price for three homes. In this table, price P is given in thousands of dollars, age A in years, and home
asked by genie 
Algebra II
Solve for X. Give exact answer in form of fraction. ln 27+ln(x8)=ln(9x8)
asked by Arielle 
Algebra II
Solve for X. log(x^29)1=log(x+3)
asked by Arielle 
physics
If a man has an average useful power output of 31 W, what is the minimum time, in s, it would take him to lift fifty 12.3 kg boxes a height of 2.3 m. i'm not sure how to go about it if anyone can help me Thanks
asked by henry 
English
Could you please check these sentences? Thank you very much. 1)Lady Macbeth doesn't display stereotyped female behaviour and poses. 2) Actually, she is not the complement to her husband but rather the driving force of the play. 3) She is even more
asked by Henry2 
College economics
The longrun supply curve for a good is a horizontal line at a price $3 per unit of the good. The demand curve for the good is QD = 502P. (a) What is the equilibrium output of the good? (b) A $1 excise tax is imposed on the good. What will be the longrun
asked by Byron 
8th Grade/Art
My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she
asked by Laruen 
algebra
if a piece of wood is 2 cm longer than a second piece, and 3/4 of the second piece is equal to 3/5 of the first, what is the length of the second piece?
asked by Aldwin 
Biology
2) Why can it be said that each glucose molecule runs the Krebs cycle twice?
asked by Cassie 
Science
Different kinds of sedimentary rocks exist because A. they were formed in different places B. their formation took different lengths of time C. they were formed by sediments from different rocks D. they have been cut differently I THINK ITS C is that
asked by Bob 
geometry
the ratio of the area of a smaller triangle to the area of a larger triangle is 1:4. if the are of the smaller triangle is 30, find the area of the larger triangle.
asked by :) 
English
When writing a story where the characters are talking, is it a new paragraph each time a different character speaks? Specifically the following: Paragraph describes the kids in the story and talks about them trick or treating and that they are now heading
asked by Patty 
English
Which sentence is correct: I wanted to tell you something before I head to town. or I wanted to tell you something before I headed to town. I think it is the first one, but I'm not sure.
asked by Anonymous 
Living Environment
having a hard time finding this information on google and i really need help for some questions. What are 3 abiotic factors that influence the: Highlands of Ethiopia Patagonia The Rockies Pakistan and the Himalayas Forests of Eastern China
asked by JB 
Geometry
Find the perimeter of the trapezoid. L1 = 9.65 yd, L2 = 9.25 yd, L3 = 10.12 yd, and L4 = 6.20 yd Can you please explain how I answer this? Thank you kindly:)
asked by Mindy 
Geometry
Find the area of the rectangle. L = 13m and H = 3m Do I multiply or do I add?
asked by Mindy 
algebra
Rationalize the denominator, assume that all expressions under radicals represent postive numbers. sqrt:a  sqrt:b/sqrt:a + sqrt:b
asked by Smith 
Science
An Olympic bobsledder pushes a 200 kg bobsled at 8 m/s. If the man pushes with a force of 1200 N, how much force of friction is present?
asked by Kyle 
Geometry
Find the area of the trapezoid. L1 = 23ft, L2 = 15ft, H = 12ft Is 456ft the correct answer?
asked by Mindy 
mercy land
the 2nd, 3rd, and 4th term of an arithemetic progression are x2, 5 and x+2 respectively, calculate the value of x and hence find the 20th term..
asked by victor 
Geometry
Find the missing side. Approximate the answer to three decimal places when appropriate. A = 15 yd C = 25 yd I have no clue on how to do this one. Please any help would be appreciated.
asked by Mindy 
English
I forgot to add the following sentences. Thank you. 1) When they came back home, they were much more respectful of their parents,didn't use any bad language and behaved correctly in class. 2) Their week (out of home)taught them to trust themselves and
asked by Henry2 
Spanish
I asked this question yesterday but I'm still not sure. I have to finish off saying a person has a pain in a certain part of their body. Like A mi me duele la boca.(accent over i in mi) I have to finish a pain in the head for "A nosotros so I would say A
asked by Ben. 
Math Garde 3
What multiplication fact can be fuond by using the arrays for 2x9 and 5x9 ?
asked by Hong 
science plz
Please can you describe the organic and inorganic properties of soil, i need help for my statement of purpose?!?
asked by Kyle McEwan 
HIS 204
Every era in American history has had notable men and women who shaped their times, for better or worse. Identify one person from this week’s reading who you believe had a significant impact on the years from 1945 to 1974. This could include a president
asked by aeh2011 
Physics
If the resistance of each of the light bulbs is 6.0 ohms, what resistance does the battery see?
asked by Elisabeth 
algebra3
Why isn't the absolute value inequality (x^21)
asked by Joe 
writing
is there another way to rephrase this sentence in a good way.  All I ever heard about this Grand Canyon thing was that it is piled up with humongous rocks and composed of fossils. thank you!
asked by Sara 
algebra
negative five divided by negative three minus two times negative one third minus twenty one divided by seven
asked by kyla 
math
In December Corey took out a 1000dollar loan with monthly interest rate 0.7 percent. In order to pay back the loan, Corey has been paying $87.17 a month since January. Explain why the sequence defined recursively x0=1000 and xn=1.007(xn1) for positive n
asked by Danielle 
physics
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave
asked by kim 
algebra
Katydid population is modeled by N(t) = 50 / 1+9e^ .33t where t is number ofyears and N(t) is population is thousands at time t. when will katydid population reach 40,000? I somehow got a negative log, producing an error so i can't go any farther. Please
asked by k 
math
The equation of linear funtions
asked by Polly 
Math  Calculus III
Find the double integral of f (x, y) = (x^7)y over the region between the curves y = x^2 and y = x(3  x).
asked by Josh 
physics
A pulley system is 76% efficient. If a 9000 kg box is lifted a distance of 8 m by a force of 700 N, how much rope is pulled from the pulley system?
asked by luke 
physics
If an automobile engine delivers 46.0 hp of power, how much time will it take for the engine to do 5.30 x 10^5 J of work?
asked by jim 
MATH
HOW DO I COME UP WITH THE REAL NUMBERS FOR X2Y=200 THE REAL NUMBERS FOR X AND Y
asked by angela 
Algebra word problem
A pack of Jellybeans contains 7 different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig, and Grape. You can Eat each flavor individually or come up with some crazy combinations. How many flavor combinations are possible with these 7 flavors alone
asked by Linda 
Math
If two of the line segments of a polygon are parallel, what is the least number of sides it could have?
asked by Nelson 
nutriction and wellness
Using the Dietary Guidelines for Americans, 2005 (particularly chapters 5 through 8) as a reference, evaluate the 3 webbased nutrition sites listed below. Explain why you think the information is accurate or not. Three webbased sites to evaluate: Good
asked by mike 
physics
It Takes 2 N of force to get a 15 kg object to move horizontally on a surface. What is the normal force of the surface on the object?
asked by Kai 
world history
what are 2 cause and effects of queen elizebeth the 1st dying
asked by brandon 
physics : HELP PLEASE
A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave
asked by kim 
Math
Please check my work. 1) 64 divide 4 = 16 2) 144 divide (9) = 16 3) Simplify 9 and a small 2 = 81 4) Simplify (3) and a small 3 = 27 5) Add 4/11 + 5/11 = 1/11 6) subtract 5/11 [3/11] = 8/11 7) multiply [7/8] • [2/4] = 7/16 8) divide 3.5
asked by Ruby 
chemistry
DOES Mg(OH)2 HAVE A pH greater than 7 or less than 7
asked by denis 
Staistics
17 green marbles and 14 white marbles what is the probability of choosing a white marble first chosen without replacement was a green marble
asked by Reese 
algebra
Katydid population is modeled by N(t) = 50 / 1+9e^ .33t where t is number ofyears and N(t) is population is thousands at time t. when will katydid population reach 40,000?
asked by kd 
Science
What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please I need your help URGENT! ! !
asked by Hilga 
Math, Please Help!!!
a boat on a river has a 27 degree angle of elevation to the top of a dam and the dam is 1037ft from the river.How far is the boat from the base of the dam. is the answer sin27 degrees = 1037/x. =x =1037/sin27 degrees?
asked by Misty 
Algebra
Use the FOIL method to find the product (3x^25)(x^59)
asked by Sam 
Algebra
Target Heart Rate (Refer to the preceding exercise.) A target heart rate T that is half a person’s maximum heart rate is given by T=1101/2A, where A is a person’s age. (a) What is T for a person 30 years old? 50 years old? (b) Sketch a graph of the
asked by genie 
Algebra II
Solve for X to three significant digits. 9^(2x)=11^(3x2)
asked by Arielle 
statistics
A sample of 275 shoppers at a large suburban mall were asked two questions: (1) Did you see a television ad for the sale at department store X during the past 2 weeks? (2) Did you shop at department store X during the past 2 weeks? The responses to the
asked by UG 
chemistry
Calculate the pH of a solution made with 0.0600 M carbonic acid, H2C03 and 0.0300 M NaHCO3.
asked by Jessica 
physics
an atv with a velocity of 22m/s is accelerated uniformly at the rate of 2m/s squared for 5s. What is it's finaly velocity?
asked by kyla 
English
I forgot to add the following sentences. Thank you very much. 1) Johnny is sitting on a bench and he is eating (biting in?? is it possible?) his hot dog. The hot dog is so gross because it is filled (stuffed?) with ketchup and mustard. 2) He is wearing a
asked by Henry2 
Anthropology11
how does society treat people with generalzed anxiety disorder?
asked by Rebecca 
Geometry
Find the perimeter of the regular hexagon. L = 4.55 yd Do I multiply by 6 because it has six sides? Is the answer 27.30?
asked by Mindy 
Chemistry
Describe how you could make approximately 5 g of a 3% (w/w) ferrous ammonium sulfate solution
asked by Wanda 
Chemistry
A certain classification test calls for 5 mL of 1.2 M NaOH. The only concentration of NaOH solution available is 3.0 M. Describe how you would make the quantity that you need of the 1.2 M NaOH solution.
asked by Wanda 
Geometry
Find the area of the square. L = 14 yd Can you explain this? Is the answer 14x14=196? Thank you kindly
asked by Mindy 
Healthcare
I have two question to ask. 1. Why is it important to use the research methodologies in the research process? Provide one exxample of using the research porcess in your workplace or personal life. 2. Explain the different types of research methodologies
asked by pj 
Geometry
Find the area of the parallelogram. L1= 19m, L2 = 25m Can you explains this? Do I multiply? Is the answer 475m?
asked by Mindy 
math
1.0 Four square root of seven open bracket two square root of three plus three square root of six minus square root of seven close bracket. 2.0 open bracket three square root of seven minus square root of two close bracket squared. 3.0 Seven divided by
asked by lupupa 
algebra
Perform the indicated oprrations and then simply. w2/w 8  w + 2/w + 8 + w  104/w^2 64
asked by Jones 
statistics
Suppose you agree to meet a friend(who is generally late) at a specified time. Assume that you arrive on time and let the random variable T be the length off time you must wait for your friend. If the density function for T is assume to be f(t)=1/t^2,
asked by Brooks 
Science
What are they asking in this question? Which is an alternative source of energy?
asked by Bob 
HIS 204
During a remarkable period of change from roughly 1865 to the early 20th century, the great cities that we know and love today expanded at an incredibly rapid pace and went through a fundamental transformation in composition and construction. Select one of
asked by Bethe 
math
for the curve y^3+(1/2)xy=1 find a formula for dy/dx in terms of x and y and find the equation of the tangent line to the curve at (7,2)
asked by suckatmath 
Math
A television station has 28 new TV shows scheduled to air this week. What fraction of the television shows, in simplest form, are 30minuet programs?
asked by Anna 
physics
if a todler is moving at 15m/s and covering a distance of 1900m. how much time does it take to cover this distnace?
asked by kyla 
math
Find all possible calues of the common ratio of the geometric sequence a,b,6, ... if a+b = 1.
asked by NEEDHELP!!!! 
computers
MS Word Quiz. "Browse Headings" in the Nav Pane organizes your document into a .... Answer a. heirarchy b. picture c. print preview d. keyword search
asked by dave 
Statistics
2. Obtain and interpret descriptive statistics (Mean, Median, Variance, and Std. Dev.). Include the STATA outputs in your results. (Use Stat command “tabstat crimerat police59, statistics(mean, p50, var, sd)” (3 pts) . tabstat crimerat
asked by Mikey 
basic chemistry
a substance that cannot be broken down into susbtances by ordinary chemical means is
asked by lou 
Algebra 2
What does this interest formula stand for: PRT=I
asked by Anonymous 
8th Grade Help
My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she
asked by Laruen 
statistics
we have a normal distribution with mean 76 and standard deviation 6.4, find the percent between 69.6 & 76?
asked by laura 
chemistry
The heat of vaporization of water is 40 kJ mol1 at 100oC. What percentage of the heat supplied to vaporize the water can be converted into work if the water is vaporized at 100 degrees C against a constant pressure of 1 atm?
asked by nath 
scientist
what are some background information for the stoichiometry lab involving hcl and naco3
asked by scientist 
Math
Atmospheric pressure changes as you rise above earth's surface. At an altitude of h kilometers, where 0
asked by Dawn 
math
what is the unit rate for $3 for 4lbs.
asked by jack 
math
dan,fran,stan have a total of 194 trading cards. Fran has 24 more cards than dan but 35 fewer than stan how many cards does each have
asked by paris 
Statistics
What z value would you use if you wanted to construct a 73% confidence interval estimate for mean?
asked by Yona 
chem
how many ml of a.15M NaOH solution are required to neutralize 35.00 ml of 0.22M Hcl
asked by dodo 
physics
I don't know how to this problem please help. A 10 kg object sits 5 m away from a 50 kg object. Calculate the force of attraction between the two masses
asked by kiren 
precal
use the properties to find the exact value'log_7(343.7 ^15)
asked by tiona 
Science
once the shell has been removed, the next layer of the egg is exposed would represent what specific part of an animal cell.
asked by Adam 
Human relations
which criteria are you using or will you use to know if your career is successful
asked by Teweety 
Physics 101
The systemis in equilibrium and the pulleys are frictionless and massless. _________________________ l l l ( . ) l / \  / \ ( . ) 8kg  I 2kg ( . )  / \  I 6kg ______V____I____________________ _________________________________ Find the force T. The
asked by physics 
physics
if a todler is moving at 15m/s and covering a distance of 1900m. how much time does it take to cover this distnace?
asked by kyla 
physics
if a todler is moving at 15m/s and covering a distance of 1900m. how much time does it take to cover this distnace?
asked by kyla 
Eng comp
which of the following statements about arguments is true they always involve a direct conflict they are always about something that has not yet been decided they always call for some kind of action on the part of the reader they try to establish some
asked by Stacy 
Math
Add. (6) + 11 Is 5 the answer?
asked by Ruby 
calculus
So from a previous post I asked, "f(x)=(1+x) what is f'(x) when x=0?" and someone replied, "the derivative of f(x)=x+1 is f'(x)=1 so your answer would just be 1" Now my question is why!? it doesn't matter what x is? f'x when x=238423904 will also be 1? For
asked by Ben 
Math
Subtract. 3 16 Is 19 the answer?
asked by Ruby 
Math
4•(5) Is 20 the correct answer?
asked by Ruby 
Math
Divide 60/10 Is 6 the answer?
asked by Ruby 
Maths
A rectangular field of length 260m and breadth 200m contains a circular track of diameter 140m. Taking pi=22/7, calculate the: length of fencing required to enclose the field and track, answer in km Please show working out! Thanks
asked by 10M1 
chemistry(rusting)
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily have rust?the wind with moisture which contains salt solution,right?
asked by Kong 
Materials Engineering
Can someone please tell me what material is used for the an electric window switch (the part that the driver presses)?
asked by Claire 
math
Find the mystery number im a number between 300 and 400 im divisible by 3 and 4 . but not 9 my tens digit is a square number the sum of the hundreds digit and the tens digit is a prime number. find the mystery number
asked by tyler 
human service
What are some other technological tools that have been developed to help the individual manage their professional business contacts and/or stay connected. I googled this question and found no answer. Can you please help me find the website that I need. I
asked by Patiance 
World History
Who were the original English and Spanish settlers (Desiree them and their specific motivation for exploration.)
asked by Mia 
english
need a poem that is similar in nature to katy perry's firework. can't find anything anywhere. Can anyone help me?
asked by lisa 
6th grade ELA
supporting ideas such as statistics and _______________ help explain the main idea.
asked by Kate 
math
A perfect minor wholetone is a frequency rtio of 10:9. A perfect major wholetone is a frequency ratio of 9:8. Are these noticeably different from an equal temper wholetone? (200 cents)
asked by Help please 
math
You invest money that pays 6.3% interest/year compounded quarterly. How long should you invest if want to double initial investment? I tried A=P(1+r/n)^nt, but it didn't work, using A=2P. the principle is not given. Please help
asked by BJ  help please 
Algebra 3
Absolute Value (x^21)
asked by Joe 
Art
does the word diversity have something to do with culture ??? like a reglious person (mexcian, japanese, jamican, british)
asked by Laruen 
math
how many triangles can you make by joining the diagonals of a pentagon?
asked by nita 
algebra
solve r^2+r20=0
asked by Anonymous 
math
how many triangles can you make by joining the diagonals of a pentagon?
asked by nita 
math
how many triangles can you make by joining the diagonals of a pentagon?
asked by nita 
math
Hi i am Sabria and I need help with the following questions: Test each number for divisibility by 2,3,5,9,and 10 1.168 2.53 3.499 4.66,780 5.4326 6.75 7.1011 8.50,436
asked by sabria 
Algebra
Solve 2.3 = y/2 How do I solve this?
asked by Kayla 
algebra
solve r^27r30=0
asked by Lynn 
English
Could you please tell me if this sentence is grammatically correct? 1) Macbeth observes how much of a man she is compared with himself.
asked by Henry2 
algebra
Use rational exponents to write x^1/5* y^1/6 * z^1/3
asked by Jim 
algebra
solve (x+17)(x6)(x+14)>0
asked by Bill 
science
I grew in a cave,but i,m not alive, I began as water and minerals, but now I am solid, I grow upwards, but I never see the sky
asked by Anonymous 
algebra
50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9% interest that compounds monthly for 7 years.
asked by Anonymous 
Staitstics
What statistical test would be appropriate for a sample size of 25
asked by Tommy 
Algebra
CEO Salaries In 2002, hourly wages for the top three CEOs (chief executive officers) of U.S. corporations were calculated based on their working 14 hours per day for 365 days. Together the three CEOs made $44,000 per hour. The top CEO earned $2,000 more
asked by genie 
Introduction to Psychology
As a scientist, Carl is concerned with the intensity of lights in the modern human environment. In his research project, Group A consists of volunteers who have agreed to sleep each night for a week with a 150 watt light bulb hanging over their bed. Group
asked by Anonymous 
Algebra II
A population growing at a rate of 1.6% per year from an initial population of 11000 will grow in t years to an amount How many years will it take the population to triple?
asked by Arielle 
Physics ( Dammed Oscillations )
A 3kg mass attached to a spring with k = 142 N/m is oscillating in a vat of oil, which damps the oscillations. (a) If the damping constant of the oil is b = 14 kg/s, how long will it take the amplitude of the oscillations to decrease to 1% of its original
asked by Ayman 
World History
How were the rights of individuals regarded in the English and Spanish colonies?
asked by Thad 
Physics ( Damped Oscillations )
A 3kg mass attached to a spring with k = 142 N/m is oscillating in a vat of oil, which damps the oscillations. (a) If the damping constant of the oil is b = 14 kg/s, how long will it take the amplitude of the oscillations to decrease to 1% of its original
asked by Ayman 
History
How did divergent towards land, its ownership and its uses, impact the development of English and Spanish societies?
asked by Thad 
Physics ( Damped Oscillations )
A vertical spring with a spring constant of 2.04 N/m has a 0.32kg mass attached to it, and the mass moves in a medium with a damping constant of 0.025 kg/s. The mass is released from rest at a position 5.6 cm from the equilibrium position. How long will
asked by Ayman 
abstract algebra
Let R be a ring. The center of R is the set C= {x exists in R ax=xa for all a in R}. Show that C is a subring of R.
asked by Mary 
geometry
what is the slope of the line determined by the equation 2x+y=5?
asked by Megan 
physics
I don't know how to this problem please help. A 10 kg object sits 5 m away from a 50 kg object. Calculate the force of attraction between the two masses
asked by kristen 
sciene
how do u research speeches on the internet {worldbiomes}.
asked by sierra 
Physics
If a man has an average useful power output of 31 W, what is the minimum time, in s, it would take him to lift fifty 12.3 kg boxes a height of 2.3 m. i'm thinking i should find the work done then find power with p = work/time
asked by henry 
English
I urgently need you to revise these sentences. In particular, I don't think sentence 2 is grammatically correct. Thank you. 1) In "Macbeth", as in many of his comedies and tragedies, Shakespeare offers a profound reflection on a theme which is both modern
asked by Henry2 
math
. A project management consultant estimated that if a particular project was completed, that t years after its date of completion, P thousand persons would be direct beneficiaries of the project, where P (t) = t3/3  5t2 +20t, 0
asked by help 
SCI
Please help me in understanding this. Differentiate between the First Law of Thermodynamics and the Second Law of Thermodynamics.
asked by PENNY 
Physics
A 10N block is attached to the wall by a rope on a frictionless surface. If the lower surface makes an angle of 30 degrees with the horizontal, calculate the (a) normal force (b) tension on the rope.
asked by Lexi 
Science
Can you give me a link to where I can find a paragraph of about 30 words on soil and it's properties?!?!?! Please help! i've been doing this for 5 hours and I need to go to sleep.
asked by Chin Lo 
Biology
4) Explain why organisms do not violate the second law of thermodynamics?
asked by Cassie 
government
11. America’s founding principles have roots in: (Points : 5) beliefs about the proper use of war. commercial practices. systems of absolute rule. religious beliefs.
asked by Anonymous 
Chemistry
Describe how you could make 5 mL of 2M potassium hydroxide solution if you have potassium hydroxide pellets available.
asked by Wanda 
algebra
s^24/(s+2) Simplyby removing factors of 1
asked by Bob 
HCS514
Explain how major laws and regulations influence organization accountability. Describe how this might be different in a longterm care facility as opposed to an acute care facility.
asked by MUNECA 
algebra
Find the varition constant and an equation where y varies directly as x=16 where x=8
asked by Robert 
spanish
What is the correct sentence to say: I am going to wake up early.
asked by jerielle 
Social studies
Before the first white person set foot in North America, it's people can be described most accurately as A) nomadic B) democratic C) multicultural D) homogenous I think it's either a or d but I'm not sure please help!!! By the way I searched nomadic it
asked by Amber 
Criminal Justice
During the 1960s, social structure theories strongly influenced the development of delinquency prevention programs. Why did many of the earliest programs fail? What is being done differently today in the development of prevention programs?
asked by Heather 
math
what is the half life if a decay by 75% in two weeks?
asked by katelyn 
social studies
what are three things that theodore roosevelt feared? what are three thing that theodore roosevelt would like to do?
asked by taylor 
algebra
Find integer bounds for the roots of the following equation: 3x^511x^42x^3=38x^221x15
asked by Jena 
Introduction to Psychology
As a scientist, Carl is concerned with the intensity of lights in the modern human environment. In his research project, Group A consists of volunteers who have agreed to sleep each night for a week with a 150 watt light bulb hanging over their bed. Group
asked by Anonymous 
algebra
Factor completly: 64s^2 + 49  1125
asked by Buzzy 
algebra1
Evaluate each funtion for the given input values: for f(x)=4x3,find f(x)when x=3 so is it f(x)=4(3)3 f(x)=123 f(x)=9? is this right?
asked by chika0217 
English
I perfectly agree with you on sentence 2. I'm just wondering why the subject has been repeated twice. I added a few more sentences I'm not sure of. 1) The metaphor of the world as a stage was common in Renaissance culture, but in Shakespeare’s great
asked by Henry2 
science
the tracks of the astronauts who landed on the moon are still there in the dust and show no signs of being worn away.this is attruted to the lack of atmosphere on the moon. which of the following best accounts for the lack of atmosphere.
asked by zach 
math algerba
½(y2)+2 =3/8(3y4) Is 4 a solution?
asked by kelsey 
Social studies
What is outsourcing ?
asked by Amber 
trig
To the nearest degree, determine the measure of
asked by dina 
science
the lack of atmosphere.
asked by zach 
Introduction to Psychology
Monique cannot seem to sit still, talks rapidly, and never seems to get tired at the end of the day. Her friends suspect that she is taking: a. cocaine. b. Rohypnol. c. LSD. d. speed. I think it is either c or d and I do know that it is not b.
asked by Anonymous 
Math
Find the mystery number. Three less than the quotient of the number and five is negative fiftytwo.
asked by Joe 
Science(egg in vinegar) PLease check my answer
what biological model does the egg represent? stomach it shows what happens to protein iif you put it into an acid.
asked by Adam 
science urgent!
What are the organic and inorganic properties of soil, Describe.
asked by Emilee 
Chemistry
Calculate the pH of 100.0 mL of .0200 M pyruvic acid and .0600 M sodium pyruvate Calculate the pH of 100.0 mL of .0200 M pyruvic acid and 0.0600 M sodium pyruvate with 0.250 millimoles of H3O+ added.
asked by Jessica 
pleez! science stuff
What is the application be on my project which was "me and my class go out and check the soil for organic things and beans and natural stuff + to describe what it looks like what color,shape,texture, and size the things we found are" PLEEZ! help i still
asked by Jenna 
history
America’s founding principles have roots in: (Points : 5) beliefs about the proper use of war. commercial practices. systems of absolute
asked by Anonymous