Questions Asked on
September 21, 2011

chemistry
Follow the steps provided in the simulation to add water to the graduated cylinder, select one of the three samples (copper, silver, or gold), set its mass to the values given in the statements below, find its volume, and calculate its density. To save
asked by fatimah 
trig
A woman standing on a hill sees a flagpole that she knows is 65 ft tall. The angle of depression to the bottom of the pole is 14°, and the angle of elevation to the top of the pole is 18°. Find her distance x from the pole. (Round your answer to one
asked by Dominic 
Statistics
An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are independently and normally distributed with a mean of 120 cm and a standard deviation of 4.7 cm. Find the probability that if 3 are
asked by Meghan 
PROBABILITY
R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is s selected, find these probabilities. (a) Exactly two
asked by FAKAAPO 
Chemistry
Nitrogen dioxide decomposes at 300°C via a secondorder process to produce nitrogen 14) monoxide and oxygen according to the following chemical equation. 2 NO2(g) → 2 NO(g) + O2(g). A sample of NO2(g) is initially placed in a 2.50L reaction vessel at
asked by Maylen 
chemistry
Europium has two stable isotopes, 151 Eu (150.9198 u) and 153 Eu (152.9212 u). The atomic mass given for Eu is 151.9640 u. What is the percent abundance of 153 Eu ??
asked by joan 
MATH HELP PLEASE
One night the King couldn't sleep, so he went down into the Royal kitchen, where he found a bowl full of mangoes. Being hungry, he took 1/6 of the mangoes. Later that same night, the Queen was hungry and couldn't sleep. She, too, found the mangoes and took
asked by PLEASE HELP 
calculus
Find the distance traveled in 45 seconds by an object traveling at a velocity of v(t) = 20 + 9cos(t) feet per second.
asked by Anonymous 
geometry
Trisha drew a pair of line segments starting from a vertex. Which of these statements best compares the pair of line segments with the vertex? Answer A:Line segments have two endpoints and a vertex is a common endpoint where two line segments meet. B:Line
asked by Anonymous 
physics
Vector V represents a displacement of 120 km at 29.0 degrees counterclockwise from the x axis. Write V in unit vector notation. Express your answer using three significant figures. V= _______ km i know the answer should be Vx=120cos29 and Vy=120sin29 but
asked by GV 
physics
A 2.0N force acts horizontally on a 10N block that is initially at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50. What is the magnitude of the frictional force that acts on the block
asked by kelly 
physics
In an 8.00 race, one runner runs at a steady 11.8 and another runs at 14.5 .How far from the finish line is the slower runner when the faster runner finishes the race?
asked by smarth 
Animal Skeletal and Muscular Systems
1.) The development of an animal follows which of the following growth sequences? a. cells, organs, tissues, organ systems b. cells, tissues, organs, organ systems c. cells, organ systems, tissues, organs, d. tissues, cells, organs, organ systems 2.)
asked by Kelsi 
Global history
Identify one way in which animals affected the way people lived in the Stone Age.
asked by Marrisa 
Chemistry
A 1.250 g sample of copper wire was heated in air and reacted with oxygen to give 1.565 g of copper oxide product. Calculate the empirical formula of the copper oxide. Please help I'm lost. I need step by step Please and thank you
asked by Monique 
chem
a.What advantages does ligroin have over npentane as a recrystallization solvent? b. What advantages foes ethanol have over noctanol as a recrystallization solvent?
asked by laura 
Chemistry
Nitrogen dioxide decomposes at 300°C via a secondorder process to produce nitrogen 14) monoxide and oxygen according to the following chemical equation. 2 NO2(g) → 2 NO(g) + O2(g). A sample of NO2(g) is initially placed in a 2.50L reaction vessel at
asked by Maylen 
Dynamics
Fundamental Problem 15.12 The cannon and support without a projectile have a mass of 250 kg. If a 20 kg projectile is fired from the cannon with a velocity of 400 m/s , measured relative to the cannon, determine the speed of the projectile as it leaves the
asked by Kate 
Physical Science
Two carts ( a's mass = 4.5 kg and b's mass = 1.5 kg) are held against a strong compressed string. The carts are released simultaneously, and B moves off to the right wqith a speed of 2.0 m/s. What is A's initial velocity? Please show work.
asked by Aubbie 
physics
a uniform ladder 16 m long weighing 80 N leans against a smooth vertical wall, making 30 degree with the wall. Find the thrust of the wall, and the force of the point on the ground.
asked by chris 
math/geometry
:Find a counterexample of the following definition: All balls are spheres:
asked by izzy 
physics
A toy train is pushed forward and released at = 3.5 with a speed of 1.0 . It rolls at a steady speed for 1.2 , then one wheel begins to stick. The train comes to a stop 3.4 from the point at which it was released.What is the train's acceleration after its
asked by smarth 
physicsssss
A child is in danger of drowning in the Merimac river. The Merimac river has a current of 3.1 km/hr to the east. The child is 0.6 km from the shore and 2.5 km upstream from the dock. A rescue boat with speed 24.8 km/hr (with respect to the water) sets off
asked by aaa 
Government US
What is the greatest restriction on appeals in the United States? a. the refusal by state appeals court judges to grant even a first appeal b. a federal law that bars in most instances a second federal appeal by a state prison inmate c. the lack of any
asked by Jenaan 
REGENTS(PRACTICE)
A scientist wants to determine the best conditions for hatching brine shrimp eggs. In a laboratory, brine shrimp hatch at room temperature in glass containers of salt water. The concentration of salt in the water is known to affect how many brine shrimp
asked by hoover 
chemistry
Calculate the number of grams of Fe found when 0.400kg of Fe2O3 reacts
asked by Anonymous 
math
use your calculator.show 14. broken keyr is 1. show 2 ways
asked by daniel 
physics
A helicopter is rising at 5 m/s when a bag is dropped. After 2 seconds what is the bag's velocity? what is the bag's position? and how far below the helicopter is the bag?
asked by Erin 
physics
A plane is traveling at 300 m/s drops a bomb which hits it target 10 sec later. How high was the plane flying?
asked by Brooke 
physics
a rock is dropped from a height of 15m above the ground. when it hits the ground, it leaves a hole 12cm deep. what is the speed of the rock when it hits the ground? what is the deceleration of the rock when it hits the ground?
asked by Taylor 
statistics
Miles per gallon. In its Fuel Economy Guide for 2008 model vehicles, the Environmental Protection Agency gives data on 1152 vehicles. There are a number of outliers, mainly vehicles with very poor gas mileage. If we ignore the outliers, however, the
asked by MAC 
physics (please help!)
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 
physics
An arrow is shot verticaaly upward. Two seconds later, it is at a height of 42 meters ( although this is not necessarily the highest point). with what speed was the arrow shot? how long is the arrow in flight altogether?
asked by Taylor 
physics
a pilot stops a plane in 484 m using a constant acceleration of 8.0 m/s^2 . How fast was the plane moving before braking began ?
asked by lala mon 
chemistry
8750 g of a compound which contains only carbon, hydrogen, and nitrogen were burned in oxygen to produce, 2.1930 g of N2O4 , and 2.2900 g of water. What is the empirical formula of the compound? (Hint: do carbon by difference)
asked by joan 
Calculus
A tree grows 2.80 m during the first year since it was planted. During each subsequent year the tree's growth is 85% of its growth the previous year. a) Calculate to the nearest 0.001m, the growth of the tree in the fourth year. Tn = ar^n1 T4 =
asked by Anonymous 
geometry
write a biconditional for: the moon is the largest satellite of Earth.
asked by David 
physics
a hockey puck is sliding freely across a pound of friction ice. What is the freebody diagram?
asked by adilene 
Physics
Three forces act on the object.A 3 N force acts due west, and 4N force acts due south.If the net force on the object is zero ,what is the magnitude of the third force
asked by rally 
Calculus
Chairs in an auditorium are arranged in rows in such a way that the first two rows each have the same number of chairs. The third and fourth rows each have three more chairs than the first and second row; the fifth and sixth rows each have three more
asked by Anonymous 
Chemistry
Redox Reactions Cl2 + Co 2> Cl + Co2+ species oxidized? species reduced? oxidizing agent? reducing agent? As the reaction proceeds, electrons are transferred from?
asked by Jasonious 
physic
The figure below shows a standing wave oscillating at 95 Hz on a string. The distance d between the two walls equals 70 cm. What is the wave speed? pic have 3 waves
asked by Anonymous 
chemistry
Indicate the concentration of each ion present in the solution formed by mixing the following. (Assume that the volumes are additive.) (a) 50 mL of 0.100 M HCl and 10.0 mL of 0.510 M HCl (b) 15.0 mL of 0.309 M Na2SO4 and 38.6 mL of 0.200 M KCl (c) 3.50 g
asked by Anonymous 
Physics
A toy rocket, launched from the ground, rises vertically with an acceleration of 23 m/s^2 for 11 s until its motor stops. Disregarding any air resistance, what maximum height above the ground will the rocket achieve? The acceleration of gravity is 9.8
asked by Vanessa 
Trig
The point (5/12) is on the terminal side of an angle theta in standard position. Find Sin theta, cos theta and tan theta Thank You!
asked by Lauren 
CHEMESTRY
a student heats 2.005 g of a copper bromide hydrate of unknown molecular formula, completely driving off the water of hydration, and notices that the weight drops to 0.998g. Upon reduction with excess aluminum metal, the copper ions are reduced to 0.442 g
asked by anonimo 
Physics
You carry a 20 n box 5 m horizontally across a room. The work you do is? Is 4 J correct?
asked by Karen 
engineering
A cylinder has 500 cm^3 of water. after a mass of 100 grams of sand is poured into the cylinder and all air bubbles are removed by a vacuum pump, the water level rises to 537.5 cm^3. Determine the specific gravity of the sand?
asked by Marilyn 
math
a crystal in the shape of a cube is growing in a labatory. estimate the rate at which the surface area is changing with respect to the side length when the side length of the crystal is 3cm.
asked by navroz 
physics
a body weighing 40N drops freely from a hieght of 50m and penetrates into the ground by 100cm.find the average resistance to penetration and the time of penetration.
asked by impulse and momentum 
Programming
Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the result.
asked by Darlene 
Chemistry [sumone help me please :(]
0.250g of phthalic acid is dissolved in 40.00cm^3 of 0.100 mol dm^3 NaOH. It requires 11.80 cubic centimeters of 0.100 mol\dm^3 HCL fo neutralisation( to phenolphthalein) The mole ratio in which phthalic acid reacts with sodium hydroxide ihn 1:2 (a)
asked by Petty 
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/s^2. At what time will the particle be traveling at 54◦ with respect to the horizontal? The acceleration due to gravity
asked by alex 
statistics
The scores on the final exam in a course have approximately a bellshaped distribution. The mean score was 72, the highest score was 99, and the lowest score was 41. Use the value of the range (58) to estimate the value of the standard deviation. (Round
asked by Chris 
math
used video games cost $25each. write an algebraic expression to find the cost of m video games
asked by mercy 
physics
a rock is dropped from a height of 15m above the ground. when it hits the ground, it leaves a hole 12cm deep. what is the speed of the rock when it hits the ground? what is the deceleration of the rock when it hits the ground?
asked by Taylor 
Math word problem
A carpenter wants to put four shelves on an 8foot wall so that the five spaces created decrease by 6 inches as we move up the wall. If the thickness of each shelf is 3/4 inch, how far will the bottom shelf be from the floor?
asked by Megan 
Physics
Starting from rest, a 1.7x104 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.44 N on it. This force does 2.4x104 J of work on the flea. (a) What is the flea's speed when it
asked by Hannah 
chemistry
If 10.00 g of water are introduced into an evacuated flask of volume 2.500 L at 65 degreed celcius, calculate the mass of water vaporized. (Hint: Assume that the volume of the remaining liquid water is negligible; the vapor pressure of water at 65 degrees
asked by Amber 
Geometry
find the measure of each angle of an isosceles trapezoid if two of the angles has measures in the ratio of 2:3.
asked by Lissa 
Math
Aluminum hydroxide suspension 15 mL is ordered four times per day. The pharmacy sends a bottle labeled 320 mg/5mL. How many milligrams will the patient receive per day?
asked by June 
math 101
Write and answer the hidden question. Then solve. 1. Gloria talked on her cell phone for 320 minutes the first month, 243 minutes the second month, and 489 minutes the third month. Her payment package does not allow her to pay per minute; she can only buy
asked by mathhater2192 
Math
Mickey lives 35 miles away from his grandparents home. His Aunt Roz lives 24 miles farther than his grandparents. How far does Mickey live from his Aunt Roz?
asked by Dy 
Calculus
A truck depreciates in value by 15% per year. If the truck is valued at $ 40 000 on August 1, 2010, what will its value be to the nearest dollar on August 1st 2016?
asked by Anonymous 
Physics
A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s. What will the ball’s velocity be when it returns to its starting point? The acceleration of gravity is 9.81 m/s^2. Answer in units of m/s
asked by Vanessa 
Precalculus
Suppose 3 mg of a drug is injected into a person's bloodstream. As the drug is metabolized, the quantity diminishes at the continuous rate of 6 % per hour. Find a formula for Q(t), the quantity of the drug remaining in the body after t hours. Find
asked by Jimmy 
Physics
3 swimmers cross a river with a downstream current. Swimmer A swims straight across and ends up down the river. Swimmer B swims against the current, and reaches the shore directly across from the starting point. Swimmer C swims with the current, landing
asked by Mel 
Dental Terminology and Anatomy
1.The largest of the salivary glands is the A. Submandibular B. Sublingual C. Minor D. Parotid 2.The portion of the tooth that is used for mastication and is visble in the oral cavity is the A. Cervix B. Crown C. Root D. Gingiva 3.The ____ makes up the
asked by Ruby 
physics
A school bus takes 0.74 h to reach the school from your house. If the average velocity of the bus is 17.9 km/h to the east, what is the displacement?
asked by Deja 
physics
A ball is thrown horizontally from the roof of a building 59.0 tall and lands 27.4 from the base. What was the ball's initial speed?
asked by alexis 
financial statistics
Can you construct a pair of random variables such that Var(X)=Var(Y)=1 and Cov(X,Y)=2?
asked by clarkson 
Science
A 73 kg student traveling in acar with a constant velocity has a kinetic energy of 1.3 x 10^4 J. What is the speedometer reading of the car in km/h?
asked by Jennifer 
Physics
A window washer drops a brush from a scaffold on a tall oﬃce building. What is the speed of the falling brush after 2.48 s? (Neglect drag forces.) The acceleration due to gravity is 9.8 m/s 2. Answer in units of m/s
asked by Vanessa 
Calculus Hard Question
A pendulum swings through an arc length of 1120 cm (Swing #1). With each further swing, the arc length is reduced by 15 % State the growth factor. Calculate the length of the arc in swing #5 I think im supposed to use this formula again, but I don't know
asked by Anonymous 
chemistry
A student breaks a thermometer and spills most of the mercury (Hg) onto the floor of a laboratory that measures 15.2 m long, 6.6 m wide, and 2.4 m high. (a) Calculate the mass of mercury vapor (in grams) in the room at 20 degrees celcius. The vapor
asked by Amber 
May
Aluminum hydroxide suspension 15 mL is ordered four times per day. The pharmacy sends a bottle labeled 320 mg/5mL. How many milligrams will the patient receive per day?
asked by June 
chemistry
7.25 g of iron were reacted with sulfur until the product reached a constant mass of 13.50 g. If the experimental molecular mass of the product was measured as 572 u, what is the molecular formula of the product? What is the actual molecular mass of the
asked by joan 
accounting
Hanson Company uses the weightedaverage method in its process costing system. The first processing department, the Welding Department, started the month with 17,000 units in its beginning work in process inventory that were 60% complete with respect to
asked by anonymous 
Chemistry urgent for my LAB today (22.09.11)
0.250g of phthalic acid is dissolved in 40.00cm^3 of 0.100 mol dm^3 NaOH. It requires 11.80 cubic centimeters of 0.100 mol\dm^3 HCL fo neutralisation( to phenolphthalein) The mole ratio in which phthalic acid reacts with sodium hydroxide ihn 1:2 (a)
asked by Petty 
physics
A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 75 kg, and the height of the water slide is 11.1 m. If the kinetic frictional force does
asked by Hannah 
math
One day we decided to drive from Town A to Town D. In order to get there we had to drive through Town B and then Town C. It is 10 miles farther from Town A to Town B than it is from Town B to C. IT is 10 miles farther from Town B to Town C than it is from
asked by jake 
physics
jason drives due west with a speed of 35.0 mi/h for 30.0 min, then continues in the same direction at 60 mi/h for 2.00 hrs, then farther west at 25 mi/h for 10.00 minutes, What is Jason's average velocity
asked by Kate 
geometry
What is the value of a if ab + ac = 21 and b + c = 7?
asked by rayshawn dyson 
math
if you live 71 mi from a river does it make sense to say you live about 80 mi from the river
asked by aaliyah 
English
Could someone explain how to identify first person, first peripheal, third person omniscient,third person limited or third person paraphase. I know the definitions but I guess I just need a basic way to identify them from each otheris there such a thing?
asked by Raymond 
english
I'm having trouble with identifying the word in parathesis in the sentence The Puritans considered buttons a (sign) of vanity.I think buttons is the direct object and sign a predicate adjective.
asked by ron 
managerial economics
A publisher of a new novel has spent $250,000 setting the type. The publisher must spend $1 million advertising the new book. It is now ready to print the book. For practical purposes, as many books as they like can be printed. In deciding how many copies
asked by Nemin 
Trig
Given sin theta = 3/5 and 0 is in quad 2, find Cos theta and tan theta
asked by Betty 
3rd grade
when this 3digit number is rounded to the nearest ten, the sum of its digits is 16 .the hundreds digit of this number is 8 and the ones digit is 5 . what is the number?
asked by grandma 
Physics
On a spacecraft two engines fire for a time of 589 s. One gives the craft an acceleration in the x direction of ax = 5.09 m/s2, while the other produces an acceleration in the y direction of ay = 7.50 m/s2. At the end of the firing period, the craft has
asked by Genevieve 
Calculus
I keep getting confused on this stuff. Alan invests $2500 in a 5 year Government bond paying interest at 3.7% per annum compounded annually. Calculate the value of the bond at maturity (after 5 yrs) Tn = 2500(0.037)^51 = 2500(0.037)^4 = 2500(1.8741*10^6)
asked by Untamed 
English
Can you please help me find examples of paradox in the first part of Lord Henry's panegyric on beauty? Thank you!! (A paradox is a statement that seems impossible because it contains two opposig ideas that are both true.) 1) "And beauty is a form of
asked by Henry2 
geometry
plot the given points in a coordinate plane.then determine whether the line segments named are congruent. A(2,2),B(2,1),C(0,2),D(3,2); _ and _ AB CD
asked by sarena 
physics
while john is traveling along an interstate highway, he notice a 160mile marker a he passes through town. later john passes another mile marker, 115. what is the distance between town and john's current location? what is his current position?
asked by anonymous 
geometry
AD is an altitude of an isosceles triangle ABC in which AB=AC. Show that AD bisects BC.
asked by Anonymous 
literary
Former Indonisean President Suharto was sometimes referred to as a puppet master
asked by maria 
chemistry
7.25 g of iron were reacted with sulfur until the product reached a constant mass of 13.50 g. If the experimental molecular mass of the product was measured as 572 u, what is the molecular formula of the product? What is the actual molecular mass of the
asked by joan 
physics
if a pitcher throws a ball at 101 mph and it trvels 60.5 feet. How much wiil it drop?
asked by Anonymous 
Statistics
A population has u=100 σ=20. If you select a single score from this population, on the average, how close would it be to the population mean? Explain your answer
asked by Nisi 
96 Elementary
what is the subject and predicate in this sentence. 1.I love my new basketball. also I need to know what the compound subject and , or compound predicate is for this sentence. 1. Amy and her coach worked out a plan.
asked by Hunter Rodgers 
Algebra
What are intersections and unions (in algebra). Also, what are complements? And what does MATH stand for in terms of sets? Please answer quickly. Thanks!
asked by Jena 
Physics
A window washer drops a brush from a scaffold on a tall oﬃce building. What is the speed of the falling brush after 2.48 s? (Neglect drag forces.) The acceleration due to gravity is 9.8 m/s 2. Answer in units of m/s
asked by Vanessa 
chemistry
How many grams of Al(NO3)3 are needed to prepare 25.0 mL of a 0.750 M aqueous solution.
asked by joan 
Choudhary
An open knife edge of mass 200g is dropped from hieght 5m on a cardboard. If the knife edge penetrates 2m into the cardboard, the average resistance offered by the cardboard to the knife
asked by Yash 
Math 116
miguels insurance company will replace his car if repair cost exceed 80% of the cars value the car recentlly sustaned $6000 in damage but it was not repalced what was the car's value?. Was it more the $7500 or is it 7500
asked by katie 
Physics
A Ferris wheel has a circumference of 93 m and it completes one rotation in 2.3 minutes without stopping. What is the percentage change in apparent weight (=weight difference/weight = W/W) of a passenger between the highest and the lowest positions on this
asked by Logan 
CalculusAlmost figured out
Sports store is having a closing down sale, all stock has to be sold. each day an article remains unsold, the price is discounted by 4% of the previous days price. This discounting continues until the article is sold. The table shows the price of a
asked by Anonymous 
Science
A ball dropped from the roof of a building take 4s to reach the street. How high is the building?
asked by yolanda 
programming
25 Grade Determination is says " Write a program that will input three test scores. the program should determine and display their average. the program should then display the appropriate letter grade based on there average. the letter grade should be
asked by Jimmy 
physics
1. A ball rolling on a platform at 4 m/s rolls off of the platform at 4 m/s and hits the ground 8 m from the base of the platform. a. How long does it take the ball to hit the ground? b. How high is the platform?
asked by chris 
math
what is 216.3 divided by 10.5? please show the work
asked by pamela 
Business Math
Joyce took out a loan for $21,900 at 12 percent on March 18, 2007, which will be due on January 9, 2008. Using ordinary interest, Joyce will pay back on Jan. 9 a total amount:
asked by Bob 
vocab
What does irrevelent mean?
asked by Please Help 
physics
jason drives due west with a speed of 35.0 mi/h for 30.0 min, then continues in the same direction at 60 mi/h for 2.00 hrs, then farther west at 25 mi/h for 10.00 minutes, What is Jason's average velocity
asked by Kate 
Physics
An air track glider, 8.0 cm long, blocks light as it goes through a photocell gate. The glider is released from rest on a frictionless inclined track and the gate is positioned so that the glider has travelled 96 cm when it is in the middle of the gate.
asked by John 
experiment
what color does coper turn when it corrodes?
asked by Anonymous 
English
I really need to know where exactly are examples of paradox in Lord Henry's speech I sent you. I'm including three more sentences. Thank you. 1) I live in Madrid, at twenty three, Rodeo Road. 2) I love animals but I’ve got just (?) a dog: Billy. 3) The
asked by Henry2 
physics
At highway speeds, a particular automobile is capable of an acceleration of about 1.6 m/s2. At this rate, how long does it take to accelerate from 79 km/h to 102 km/h?
asked by Morgan 
chemistryyy
Answer the following two questions about the equivalence point for the titration of 27.8 mL of 0.235 M hypobromous acid (pKa = 8.64) with 0.214 M KOH. 1)Predict if the solution will be acidic, basic or neutral at the equivalence point. 2)Calculate the pH
asked by Rachel 
math
Tony has a piece of wire 36 inches long.He bent it into a quadrilateral with sides of equal length and angles of equal measure. (Part A) Classify the quadrilateral.Give all the names that fit. (Part B) Justify your answer with evidence.
asked by Johnny 
math
a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms
asked by melissa 
SpanishPlease check
Did I write the questions correctly and did I answer these questions correctly? Thanks 1.¿Te gusta vestirte en ropa casual o elegante? Me gusta vestir con ropa casual. 2.¿Prefieres levantarte temprano o tarde? Prefiero levantarme temprano. 3.¿Dondé te
asked by Sarah 
Biology
What is the 5th characteristic for all living things? I already have: 1. Heredity 2. Metabolism 3. Reproduction 4. Homeostasis
asked by Brandon 
chemistry
If 10.00 g of water are introduced into an evacuated flask of volume 2.500 L at 65 degreed celcius, calculate the mass of water vaporized. (Hint: Assume that the volume of the remaining liquid water is negligible; the vapor pressure of water at 65 degrees
asked by Amber 
literary
what literacy device is used in the statement? former indonesian president suharto was sometimes referred to as a puppet master.
asked by alyssa 
math
It is less than 100,000. it's an even number. it is divisible by 2,3, and 6. None of the digits is less than 4. None of the digits is used more than once. the sum of the digits is 30. The digit in the hundreds place is 2 less than the digit in the
asked by Anonymous 
Physics
A person pushes a 23.4kg shopping cart at a constant velocity for a distance of 31.1 m on a flat horizontal surface. She pushes in a direction 34.8 ° below the horizontal. A 38.5N frictional force opposes the motion of the cart. (a) What is the
asked by Hannah 
chemistryyy
Answer the following two questions about the equivalence point for the titration of 27.8 mL of 0.235 M hypobromous acid (pKa = 8.64) with 0.214 M KOH. 1)Predict if the solution will be acidic, basic or neutral at the equivalence point. 2)Calculate the pH
asked by Rachel 
physics
an object initially at rest accelerates uniformly at 5m/sec^2 until it obtains a speed of 30m/sec. What distance does the object move while accelerating?
asked by Anonymous 
physics
if a pitcher throws a ball at 101 mph and it trvels 60.5 feet. How much wiil it drop?
asked by Anonymous 
physics
A 18.5 g bullet is fired from a rifle. It takes 2.70 103 s for the bullet to travel the length of the barrel, and it exits the barrel with a speed of 660 m/s. Assuming that the acceleration of the bullet is constant, find the average net force exerted on
asked by Anonymous 
economics
im learning about economics and the meaning of 3 economic systems traditional, command, market traditional i undestand as peooples ecomonic passed down from previoius generations, traditions decide what theses people do for a living and how work is done
asked by MARKO 
Spanishplease check corrections
Please check if I composed and answered the quesions correctly. Someone told me corrections earlier and I did themare they correct, now? Thank you 1.¿Te gusta vestirte en ropa casual o elegante? Me gusta vestir con ropa casual. 2.¿Prefieres levantarte
asked by Sarah 
social studies
what is the autumnal equinox
asked by nicole10 
math
How do I solve 1/9z = 0?
asked by jared 
geometry
the perimeter of a rectangle is 46 feet. The width is 3ft less than twice the length. find the length and width of the rectangle
asked by Anonymous 
Physics
(time given is the total time in the air) During a baseball game, a batter hits a high popup. If the ball remains in the air for 4.5 s, how high does it rise? The acceleration of gravity is 9.8 m/s^2. Answer in units of m
asked by Vanessa 
Algebra
I have to find the zeros of f(x) = x^2 + 2x5 can someone start me off so I have an example to work from for the rest of my problemsthank you for your help
asked by Annie 
Calculus
Consider the function f(x)=3x3+4x2+11, and let c be a number in the interval [01]. For what values of k is there a c in this interval such that !@#$%^&?
asked by Brian 
Math
Two cards are drawn without replacement from a well shuffled deck of 52 cards. What is the probability that the second card drawn is a heart, if the first card drawn was not a heart?
asked by Chantel 
Speech
Hi I have a speech to present and my professor gave me the outline on how to prepare it but I'm having a hard time setting it up. Is their any kind of way you can help me. Thank you, Erica
asked by Erica 
biology
Suppose that I have one liter of water in which the ionization of water molecules has attained equilibrium. What is the hydrogen ion concentration or [H+] of this solution?
asked by Anonymous 
philosophy
I have to write a paper on the below posted question. Can anyone explain me what might i need to do in it. 1) Set out the problem of evil as clearly and completely as possible. Be sure to distinguish between moral evil and natural evil and to discuss the
asked by mas 
Math
Michelle needs to save $7,000 for school for the next two years. She found a bank that offers a 9% interest rate compounded annually. What does she need to deposit at the beginning of the year to have enough money for school? Refer to the Present Value
asked by Kara 
Algebraic Physics
Hi, I'm having trouble with a particular homework problem. A rifle has muzzle velocity 450 m/s. If you're 53.0 m from a target the same height as the rifle, at what angle above the horizontal should you aim in order to hit the target? All help would be
asked by Kevin 
Math
To find 38 + 45, you could first find 38 + 50 = 88. Then what should you do.
asked by Dy 
language
What is the simple predicate for the sentence, The history of these pests may surprise you.
asked by dakota 
physics
a plane heads north but because of a wind blowing to the west the plane flies at a resultant velocity of 620mi/h 22 W of N . what was the velocity of the wind?
asked by beth 
geometry
segment xy has endpoints x=12 and y=17 what is xy ?
asked by ahliya 
algebra
well i'm stumped. i can't figure out how to solve this. solve for (x,y): 3/x + 2/y = 0 5/x  1/y = 13 i can't graph it, and i can't use a calculator. i keep getting stuck on the second equation b/c i get 5y 13xy x=0 and since 13 is a prime number i cant
asked by cody 
Physics
A 49.5g golf ball is driven from the tee with an initial speed of 41.9 m/s and rises to a height of 29.7 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 5.66 m below its
asked by Hannah 
PSYC
WHICH OF THE MAJOR DEVELOPMENTAL THEORIES ARE STAGE THEORIES? WHICH ARE NOT.
asked by KANEIKA 
chemestry
a student heats 2.005 g of a copper bromide hydrate of unknown molecular formula, completely driving off the water of hydration, and notices that the weight drops to 0.998g. Upon reduction with excess aluminum metal, the copper ions are reduced to 0.442 g
asked by anonimo 
English
Indicate whether the underlined words or groups of words need capital or lower case letters by selecting the best choice. “Hush little baby,” my grandfather would often whisper softly to me, “Don’t say a word.” A. “don’t way a word.” B.”
asked by Donna 
calculus
Let A be the region bounded by the curves y=x^26x+8 and y=0, find the volume when A is revolved around the xaxis
asked by Anonymous 
Physics
A tennis ball is thrown vertically upward with an initial velocity of +7.0 m/s. What will the ball’s velocity be when it returns to its starting point? The acceleration of gravity is 9.81 m/s^2. Answer in units of m/s AND How long will the ball take to
asked by Vanessa 
chemistry
THE WATTAGE OF AN APPLIANCE INDICATES THE AVERAGE POWER CONSUMPTION IN WATTS(W),WHERE 1W =1J/S WHAT IS THE DIFFERENCE IN THE NUMBER OF KJ OF ENERGY CONSUMED PER MONTH BETWEEN A REFFIGERATION UNIT THAT CONSUMES 625 W AND ONE THAT CONSUMES 855W? IF
asked by lucy 
business
Assignment Type: Individual Project Deliverable Length: 500–750 words Points Possible: 110 Due Date: 9/11/2011 11:59:59 PM CT You are a marketing manager interviewing for a new job at several different firms simultaneously. You expect to be asked the
asked by laura 
IT/210 CheckPoint Iteration Control Structure
Need help with this! Uses a while counter loop In front of you is a nonsee through bag containing 50 red balls and 50 black balls. You are to design a solution that will allow you to draw one ball at a time until 12 red balls are drawn. At the end of the
asked by Jim 
Physics
A 27kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 150 J from 430 J. How high does she rise during this interval? Neglect air resistance.
asked by Hannah 
chemistry
Write the balanced equation for the combustion of C2H5(NH2)CO2H . The nitrogen is converted to N2O4
asked by joan 
Physics
A ball is thrown upward from the edge of a platform 15 m above the ground. The ball rises 12 m then falls to the ground. What is the vertical displacement of the ball?
asked by Alexis 
English
Orbis International is an international nonprofit nongovernmental organization (NGO) dedicated to saving sight worldwide. Orbis programs focus on the prevention of blindness and the treatment of blinding eye diseases in developing countries. (What does
asked by rfvv 
intermediate 111
Wilson Corporation began operations in January 2008, and purchased a machine for $20,000. Wilson uses straightline depreciation over a fouryear period for financial reporting purposes. For tax purposes, the deduction is 50% of cost in 2008, 30% in 2009,
asked by Jane 
English
Identify the sentence that uses numbers and abbreviations correctly A: 26 people posted messages to my blog in just thirtythree minutes. B: I learned in anatomy class that the adult human body contains 206 bones, and over 20 of them are located in the
asked by Donna 
biology
outline why energy is needed for each of these processes: a. the transport of sucrose in a plant b the transmission of an action potential along a nerve axon c. the selective reabsorption of glucose from a kidney nephron I'm not exactly sure how I'm
asked by grace 
Math
How would you describe this sequence using inductive reoning? 1 12 123 1234
asked by orion 
Math
A Woman has cat's and birds. When asked how many of each she has she answers... " I have between both cats and birds 400 feet and 232 eyes.(Cats have 4 feet and Birds have 2 feet) How Many Total? How many Birds? How many Cats? Please help me solve this.
asked by Michelle 
Calculus
A government bond is bought for $5000 on June 1, 2010. The value of the bond increases each year by 3.9% of the previous year's value, and the bond matures on June 1, 2030. Determine the value of the bond at maturity. I'm confused.
asked by Anonymous 
Biology
What is technology?
asked by Courtney 
Geometry
Use parallelogram ABCD to answer the following. Diagonals BD and AC bisect at O. 1.measurement of angle BAD = 3y  5 find angle BCD 2. AC = 12.8 cm find OC
asked by Lissa 
Chemistry
hey can anyone tell me whats the formula of PHTHALIC ACID? which one is it: (a) H2T (b) C8H6O4
asked by Petty 
Calculus
A pendulum swings through an arc length of 1120 cm (Swing #1). With each further swing, the arc length is reduced by 15 % State the growth factor. Calculate the length of the arc in swing #5 I think im supposed to use this formula again, but I don't know
asked by Anonymous 
Eenglish
Make sure (that) you drink lots of water. (Is 'sure' an object complement? 'you drink lots of water' is an object, isn't it? Am I right? Can we use 'that' in the sentence?)
asked by rfvv 
Calculus
A government bond is bought for $5000 on June 1, 2010. The value of the bond increases each year by 3.9% of the previous year's value, and the bond matures on June 1, 2030. Determine the value of the bond at maturity
asked by Untamed 
algebra
rationalize denominator and simplify: v/... is square root (v/5))/(v/15)) please help
asked by cody 
CHEMISTRY
A buffer that is 0.271 M in acid, HA, and 0.150 M in the potassium salt of its conjugate base, KA, has a pH of 2.85. What is the pH of the buffer after 130. mL of 0.155 M LiOH is added to 0.650 L of this buffer? Assume that the volumes are additive.
asked by Rachel 
science
Pure gold has a density of 19.32 g/cm3. How large would a piece of gold be if it had a mass of 483 g?
asked by Chris 
physics
If a 2000 pound train tilts of a 20 foot cliff at a 135 angle how long will it take to reach the ground?
asked by daniel 
Physics
Hi, I'm having trouble with a particular homework problem. A rifle has muzzle velocity 450 m/s. If you're 53.0 m from a target the same height as the rifle, at what angle above the horizontal should you aim in order to hit the target? All help would be
asked by Kevin 
English
I urgently need you to answer this question: 1) Is class the American English for lesson? Because students are asked to choose among three alternatives (one must be correct): a) lesson b) subject c) course If your next ....... is chemistry, physics or
asked by Henry2 
English
Thank you for your explanations. Here are some more sentences I'd like you to check. 1) I like very much sports like running, swimming and skiing. I love dancing and I do it four times a week. 2) I like staying with my friends. I like going to shopping
asked by Henry2 
Prealgebra
15  20 divided by 2 times 4 divided by 20
asked by Anonymous 
chemistry
The compound X4C3 contains 15.03% carbon. What is the chemical symbol for X ?
asked by joan 
physics
if you raise the temperature of 1000 grams of water by 17 degrees, how many calories of energy would you have added in
asked by cece 
Algebra
A rectangular plot of ground having dimensions 24 feet by 26 feet is surrounded by a walk of uniform width. If the area of the walk is 104 feet squared, what is its width?
asked by Kaley 
Physics
A body, which is moving along a straight line, has an average acceleration of 6 m/s/s. How much speed does it gain, on the average, during 1 second? A) 6 m/s B) 1/6 m/s C) 6 m D) 6 m/s/s I think C (6 m) is correct
asked by Crystal 
Calculus
As part of a fitness program, Annie walks for 35 mins on day 1, and increases the walking time by 8 mins each day. She completes the fitness program on the day she first spends more than 3 hours walking. The program is completed on what day? This is how I
asked by Anonymous 
cultural diversity
1. Young children's functional use of language within a work context is often observed in: A. Mainstream industrialized societies. B. Triadic interactions in MexicanAmerican groups. C. Rural Appalachian Black communities. D. Native American
asked by Vanessa 
hypothesis
I have a scintific question for my science experiment: What effect does pH/vinegar have on the rusting of copper/
asked by izzy 
cultural diversity
1. National Association for the Education of Young Children supports "third space" thinking as a desirable technique for use in: A. Stimulating children's rightbrain processes. B. Enhance staff performance in the early childhood setting. C. Resolving
asked by Vanessa 
CHEMISTRY
A buffer that is 0.271 M in acid, HA, and 0.150 M in the potassium salt of its conjugate base, KA, has a pH of 2.85. What is the pH of the buffer after 130. mL of 0.155 M LiOH is added to 0.650 L of this buffer? Assume that the volumes are additive.
asked by Rachel 
marketing
what are the different types of pricing strategies used by walmart & target? How do they relate to the store's overall product mix and their different target market?
asked by stephania 
geometry
Two sides of a triangle are equal. The third side is 5 inches longer than the one with equal sides. What is the length of the equal sides if the perimeter is 32 inches?
asked by Ck 
MATH PLZ HELP
well i'm stumped. i can't figure out how to solve this. solve for (x,y): 3/x + 2/y = 0 5/x  1/y = 13 i can't graph it, and i can't use a calculator. i keep getting stuck on the second equation b/c i get 5y 13xy x=0 and since 13 is a prime number i cant
asked by cody 
math
what is the sum of the 4 in 541,000
asked by dorisbrawley 
geometry
Bret and Troy have a blueprint of a design that they want to duplicate. Bret traces the blueprint to make an approximate image. Troy uses a compass and a straightedge to make the exact measurements and angles in the blueprint. Which statement is most
asked by Anonymous 
math
how do i solve this using substitution? 5x+y=15 4x+4y=12
asked by Rebecca 
4th grade math
i am a 4digit whole number. my digits decrease by 2 from the thousands place to the ones place. each of my digits is an even number. what number am I?
asked by sally 
physics
An airplane of mass 2800 Kg has just lifted off the runway. It is gaining altitude at a constant 2.3 M/s while the horizontal component of its velocity is increasing at a rate of 0.86 M/s2. Assume g= 9.81 M/s2. (a) Find the direction of the force exerted
asked by John 
ECOMICS
IF AN ECONOMY MOVES FROM PRODUCING 15 UNITS OF A AND 7 UNITS OF B TO PRODUCING 10 AS AND 8BS, THE OPPORTUNITY COST OF THE 8TH B IS: 1 10AS 2 5AS 3 7AS
asked by FAIZAN 
algebra
find the value of K such that the line through (0,K) and (K,1) has a slope of 1/2
asked by Anonymous 
Algebra
Explicit formula for 8,15,29....
asked by PLEASE HELP 
p
A toy train is pushed forward and released at = 3.5 m with a speed of 1.0m/s . It rolls at a steady speed for 1.2s , then one wheel begins to stick. The train comes to a stop 3.4m from the point at which it was released.What is the train's acceleration
asked by smarth 
math
solve for x 3x/4  21x/32 = 1 1/8
asked by terri 
Calculus
State the growth factor in each of the following situations. Canada's population is increasing by 1% per year. How do I calculate this? I think Im supposed to use this formula, but I don't know where to plug in what. tn = ar^n1
asked by Anonymous 
biology
explain why the synthesis of proteins, DNA and RNA requires energy. thanks :)
asked by grace 
chemistry
What would be the result if 5.0 L of hydrogen was burned with 2.0 l of oxygen in a closed container?
asked by Please help me 
world history
List 5 factors that led Europeans to explore the New world
asked by Patience 
managerial economics
Consider this statement: “Conservationists want to save too many spotted owls.” Use graphical analysis accompanied by a concise narrative discussion to explain circumstances under which this statement would be true. Make sure your graphs have clearly
asked by Nemin 
Calculus
Can you arrange the digits 19, into a 1:2 fraction ( example 1/23+4/56+7/89=1) to equal 1? Only using each number once!
asked by Nikki 
Math
A rectangular plot of ground having dimensions 24 feet by 26 feet is surrounded by a walk of uniform width. If the area of the walk is 104 feet squared, what is its width?
asked by Anonymous 
us history
How do the Mound Builder societies provide evidence of the spread of Mesoamerican culture into the area of the presentday United States?
asked by Gorgeous 
Math
A figure is made of a row of squares. One square has a perimeter of 4. Two squares have a perimeter of 6, and so on. Finish the inputoutput table to show the pattern.
asked by Raquel 
Civics
explain how the relationship between the american colonists and great britain affected the development of the underlying priciples and ideas in the declaration of independence and in the new state constitutions in north america in the eighteenth century
asked by Andrew 
math
for h(x)=54x, determine the input for x when the output of h(x) is 11
asked by melissa 
College Physics
When searching for gold, measurements of g can be used find regions within the Earth where the density is larger than that of normal soil. Such measurements can also be used to find regions in which the density of the Earth is smaller than normal soil;
asked by Please Help!!! 
math
math problem: a snake is 60 inches long. It grows 3 inches every year. How long will it be y years from now?
asked by john 
Statistics
Find the numerical value of k: 2.35=[(k100)/15]
asked by Tom 
Math(commutative property)
what is commutative property , Associative property
asked by hoover 
PreCalculus
I think I need help with this problem 3+ square root(x6) = square root of (x+9) I thought I should square everything to get rid of square root signs so I had 9 + x6 = x+ 9 then I would have x+ 3once I subtracted 96 from the left side = x+9 on the right
asked by Joseph P. 
geometry
This circle has a circumference of 56. What is the radius of the circle?
asked by j 
Anthropology, sociology and psychology
Reasons why arranged marriages does not stand a better success than free choice marriages. pls help
asked by ted 
Physics
(time given is the total time in the air) During a baseball game, a batter hits a high popup. If the ball remains in the air for 4.5 s, how high does it rise? The acceleration of gravity is 9.8 m/s^2. Answer in units of m
asked by Vanessa 
English
Though you haven't read it, could you please tell me if there are examples of paradox (also called oxymoron) in the following sentences? I can’t find them. 1) "And beauty is a form of genius... is higher, indeed, than genius, as it needs no explanation.
asked by Henry2 
Calculus
The Market value of a house is predicted to increase at an annual rate of 4% for the next five years. If the current market price is $410 000, determine to the nearest dollar, the predicted market price five years from now. Tn = ar^n1 T5 =
asked by Anonymous 
business law
Briefly discuss the usefulness of studying commercial law
asked by Anonymous 
English
She does need preferential seating in the front of her classes, which she is not getting in history currently. Is "history" capitalized in this sentence.
asked by Pat 
statistic
How can the probability distribution of prices of new cars be described
asked by Simone 
Math
Distance from x to Y is about 171 miles. This is about 189 miles less than the distance from x to z. How far is x to z if you stop in y along the way.
asked by Vic 
Physics
Which of the following could be units of acceleration? A) mi/h B) m/s C) mph D) m/s/s I know acceleration is the velocity/Time so I think they are all units of acceleration. Is this right?
asked by Crystal 
Math
`How do you round to the nearest 10's,100's and 1,000's place with 4digit numbers
asked by Kayla 
physics
a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t  t^2 a) What is the average speed between 0 s. and 4 s.? Thank you
asked by Raf 
English
Thank you very much. I just have two more doubts. "I like going clothes shopping OR shopping for clothes". How do you express a person's height? Do you express it using meters or feet? Can you please give me examples? 1.60 m.(how do you read it?)
asked by Henry2 
English
I have asked her family to let me discuss this with our cochlear implant team to see if this would be a reasonable option from their perspective. Is cochlear implant team capitalized?
asked by Pat 
Calculus
State the growth factor in each of the following situations. Newspaper readership is declining by 7 1/3 % per year. A bouncing ball rebounds to 1/3 of its previous height. Dont know how to solve these fractions:\ I just hate working with fractions.
asked by Anonymous 
math
If a man is fencing in a rectangular lot of grass next to the road and doesnt want to fence the side touching the road and has 248 feet of fence, whats the maximum area he can fence?
asked by ryan 
Science
What are 3 ways that numerical data can recorded and displayed in science
asked by Frances 
English
Is the following sentence correct, did I use the correct "where"? I spent most of my time in school, where I learned about several different topics.
asked by Jon 
Math
Gayle had 5 1/3pounds of candy.She put 1 1/2 pounds of candy into each gift bag.How many gift bags could she fill completely fill? What fraction of a gift bag will she have left? what fraction of a pound of candy will she have left?
asked by Michelle 
health
can anyone help me , maybe explain it or give me some site to look it up on thanks Explain the different types of research methodologies used in the health sciences. How would you apply one of these research methods in your workplace?
asked by samuela 
math
what is the ratio of 5 feet squared to 27 inches?
asked by jim 
7th lang arts
Hi! Um.. What is the synonym of length? Please choose from this list: acute duration fidelity headstrong pacify refute Please help!!! Thank you!!
asked by saranghae12 
math
What the density of 16/2
asked by Felix 
algebra
raise the quantity in parenthesis to the indicated exponent and simplify. (16x^2y^3)^2 __________ 80x^2y^3
asked by Jane 
math
hasan made a model for 437 using, 4 hundreds, 3 tens, and 7 ones. what are two otherways he could show 437 using base ten blocks
asked by Anonymous 
Math
Number of People You Have Known Who Were Victims of Homicide # of Victims Frequency 0 3944 1 279 2 97 3 40 4 30 Find the median. Note that the “4 or more” category is not problematic for it. I know that the median is the middle number. I got 1.5 but
asked by mary 
algebra
how to figure 75% of 620
asked by grace 
maths
a new hot has 32 rooms on the second floor. then rooms will be numberesd 201 to 232. the manaher wants to puit brass numerals on the door of each room how many number 2s will be needed
asked by dhruv 
maths
how can i inscribe an angle of degree 9 and 3/8 in a circle of radius 2 cm
asked by jithu 
Math
A Woman has cat's and birds. When asked how many of each she has she answers... " I have between both cats and birds 400 feet and 232 eyes.(Cats have 4 feet and Birds have 2 feet) How Many Total? How many Birds? How many Cats?
asked by Mchelle 
Science
Why whales live in oceans?
asked by Abby 
math
how do I figure out how to write an equation (and solve the problem) for algorithm?
asked by preston 
Math 116
How would you write an interval notation for 9
asked by katie 
cultural diversity
1. Advocates of social skills building and role modeling would not be inclined to choose a Western style of play because Western play: A. Has a people focus, not an object focus B. Is impossible for many nonmainstream children to master C. Lacks a
asked by Vanessa 
English
Hi, I have to write a short reaction paper (2 pages) about the book America is in the Hearth by Carlos Bulosan. I have to discuss an important theme and provide examples. I was thinking about comparing his life in the Philippines and his life in America.
asked by Jake 
geometry
how do u circumscribe and inscribe a hexagoneabout a 2inch circle?
asked by jason 
physics
Why do aircraft take off and land into the wind?
asked by Raha 
managerial economics
Several years ago, Nabisco spent $330 million building a facility in Brazil to produce Oreo cookies and Ritz crackers for sale in their South American markets. At a recent board meeting, managers at Nabisco were discussing closing the Brazilian plant
asked by Nemin 
physics
what is the momentum of a cart with a mass of 30 kg which is moving at rate of 54 km/hr?
asked by mack 
chemistry
What is the approximate volume of 0.095 M HCl needed to neutralize 0.25g of sodium carbonate. Hint: Write a balanced equation first.
asked by Nikkie 
math
Simplify and write each variable as an expression with positive exponents: ((24x^9)/(8b^7))^4 = c((x^m)/(b^n))
asked by catherine 
Physics
Hi! Ijust have one question that I don't know how to do: (a)How long will it take a freely falling body to acquire a speed of 58.8 m/s^2.(b) How far will it have fallen during that time?
asked by Monica 
math
Carla always sorts her M&M's before eating them. One Day she noticed that 2/5 of of them were red, 1/4 of them were brown,3/10 of them were green, and that 10 of them were yellow. How many total M&M's? How many were red? How many were brown? How many were
asked by Michelle 
math
PUC raised money for the recent disaster victims.They decided to allocate the money in manner: 1/3 of the money goes for medical supplies, 1/4 of what was left brought tents,2/3 of the remaining went to water purification systems, the rest of the money was
asked by Michelle 
algebra
how do you solve 2 1/12*7
asked by jason 
english
Type a short character sketch of a fictional Puritan named Justice Johnson based on what you have learned about the Puritans. Make certain that you describe how he dresses, how he lives, what he believes, how he spends his timein short, describe him so
asked by zoraida 
geometry
calculate the volume of the rectangular prism height= 17 3/4 width= 16 1/4 depth= 21 1/2 V=lxwxh
asked by hishka 
Math Question
What is the probability that at least two(2) of the nine(9) US Supreme Court Justices have the same birth date (month and day)?
asked by Curtis 
chemistry
What is the maximum mass of H2 formed, when 0.380 g of aluminum are reacted with 55.0 mL of 8.00 M HCl? The other product is AlCl3
asked by joan 
grammar
Are the words "persons" or "peoples" real?
asked by grammergopher9034 
math
what is a solution in math
asked by shion 
physics
Why the mesaure of the sphere doesn't play a part at the pendulum???
asked by Please Help 
math
Carla always sorts her M&M's before eating them. One Day she noticed that 2/5 of of them were red, 1/4 of them were brown,3/10 of them were green, and that 10 of them were yellow. How many total M&M's? How many were red? How many were brown? How many were
asked by Michelle 
art
what are basic and formal elements in art?
asked by amy blogs 
Math
Dan had 12 3/4yard of cable. He used 3 1/2yards for one computer and two more cables of 2 7/8 for two other computers. He needs 3 1/3yard for the last computer. a. Does he have enough? b. If not, how much more does he need? c.If so, how much does he have
asked by Michelle 
geometry
If the measurement bewtween A and B is 44 feet and the measurement between A and C is 26 feet, what is the distance between B and C?
asked by Anonymous 
algebra
Use scientific to divde the following two numbers. Express the answer using scientific notation; retain at least three decimal places. (8.16*10^5)/(1.03*10^2)
asked by Destiny 
science
How fast can you accelerate a 20kg object if you push on it with 120 newton of force?
asked by fgahigu 
physics
what is density of an object has a mass of 12.0 g and a volume of 96.o ml?
asked by ada 
science
a car with a mass of 2000 kg moves along the ice with a constant velocity of 10.0 m/s. What is the car's momentum? a. 200.0 N b. 20.000 N c. 200.0 kg x m/s d. 20,000 kg x m/s I know it is twenty thousand, I'm unsure of the measurements or units. Please
asked by kenny 
english
could you please let me know the distintion between compound words and collocations ...
asked by R S Telagathoty 
algebra
2x18=1/2x
asked by Nancy 
math
how do you round 630 to the nearest thousand
asked by lisa 
American Literature
Why was Native American poetry characterized by a deep respect of nature?
asked by Kim 
English
compare utopian literature and science fiction!
asked by lue 
algebra
how do you solve 3/4 *w*7 w= 1 1/3
asked by jason 
physics
Given a graph with mass and lenth of string. will mass be on the yaxis or on the xaxis and vice versa. pls help
asked by ted 
Calculus HELP
State the growth factor in each of the following situations. Canada's population is increasing by 1% per year. How do I calculate this? I think Im supposed to use this formula, but I don't know where to plug in what. tn = ar^n1
asked by Anonymous 
Math
How do you factor 842c2c^2 ?
asked by Lexi 
6th grade math
3/4x2/3x=2/5
asked by Carol 
math
does 9x+6y=15 that come out as no solution? 18x+12y=0
asked by Rebecca 
literacy
what sentence can you put the words collector and arrangement in 1 sentence
asked by francis 
statistic
How can the probability distribution of prices of new cars be described
asked by Simone 
Math 116
How would you write an interval notation for 9
asked by katie 
Math
what is y+19=9 plz help me i don't understand this im in 7th grade >.>
asked by someone 
Predicates and subjects
The sun shines. The sun beata the air
asked by Anonymous 
information technology
Hi I need help trying to create a code to encrypte and decrypte a message in netbeans.I know what to do but I cant get it to encrypte and decrypte.Can you please help me.
asked by kyle 
math
i need help on any 3 numbers that add up to 84 and any 3 number that add up to 54 thanks
asked by lauren 
Math
PUC raised money for the recent disaster victims.They decided to allocate the money in manner: 1/3 of the money goes for medical supplies, 1/4 of what was left brought tents,2/3 of the remaining went to water purification systems, the rest of the money was
asked by Michelle 
math
There were 761 campers at a campground. After a number of campers went home, 659 campers remained at the campground. How many campers went home? 761+659 = 1420 am i right?
asked by miki 
ecology
what si the density of an object that has a mass of 12.0g and a volume of 96.0mL
asked by ada 
math
Number of People You Have Known Who Were Victims of Homicide # of Victims Frequency 0 3944 1 279 2 97 3 40 4 30 a. To find the mean, it is necessary to give a score to the “4 or more” category. Find it, using the score 4.5. (In practice, you might try
asked by mary 
maths
thekitchenfloorisrectanglegreaterthan60sq.ft.butlessthan70sq.ft.inarea.eachdimensionofthefloorisgreaterthan6ft.andthefloorisperfectlytiledwith1ft.sq.tiles,noneofofwhichhavebeencut.whatcouldtheareabe?explain.
asked by pinky 
physics
What kind of motion makes the pendulum when the amplitudes are small ????
asked by Please Help 
Physics
Ajuggler throws a ball from height of 0.950 m with an overall velocity of =4.25 m/s, 67 degrees above horizontal and misses it on the way down. What is the overall speed when it hits the ground?
asked by Anonymous 
Communism
Do you think Communism will end the recession ?
asked by MaccyDs 
math
one side of a triangle is 1.5 inches long.the two angles it touches are 30 and 100 degrees
asked by bianca 
algebra addistion
can you check my answers 13  9 i got 4 15  3 i got 12 12 + 3 i got : 15 31 + 12 i got: 43 +9 + (+7) i got: 16 21 18 + 21 i got : 39 5 +(13) i got: 7 18 + (3) i got: 21 2 + (+17) i got: 15 15 + (9) i got: 6 5 + 21 i got 26
asked by MARKO 
psychology
what roles has psychology played in understanding and managing menstrual problems
asked by vetta 
MATH HELP PLEASE
Thank you very much!!!!
asked by TO: Reiny 
Math
Gayle had 5 1/3pounds of candy.She put 1 1/2 pounds of candy into each gift bag.How many gift bags could she fill completely fill? What fraction of a gift bag will she have left? what fraction of a pound of candy will she have left?
asked by Michelle 
Math
factor n3  216 n to the 3rd power.
asked by Ann 
English
Similarly, on the left ear, the eardrum, itself, did not appear infected and we simply talked about watching the number of infections that pop up this winter, as well as our potential need to replace tubes, if the infections become too bothersome or
asked by Pat 
Calculus POSTS please check
Please check my calculus posts. They are at the bottom. Thanks.
asked by Anonymous 
Math
Using formular express the equation. 5x26x3=0
asked by David 
english
can you please correct the following sentence : i have no information on the subject
asked by R S Telagathoty 
maths
What number should be repalced with * in order to make the number 48732*637984 divisible by 9
asked by sirisha 
to anybody that answers this
Anybody is allowed to help anybody right? doesn't matter if they are teachers or not?
asked by saranghae12 
arithmetic
A store manager just received 117 movies packaged in boxes. If the same number of movies are in each box, how many boxes could have been received?How many movies would be in each box?Could you Explain how you arrived your answer.
asked by Victoria 
language arts
verb is to ______ as zipcode is to address (unscramble) csteeenn
asked by Haley 
math
how do you find all the real zeros for this function f(x)=x^3+9x^24x36
asked by jasmine 
Math
What is 2+2?
asked by Ellissia 
geometry
calculate the volume of the rectangular prism height= 17 3/4 width= 16 1/4 depth= 21 1/2 V=lxwxh
asked by hishka 
math
Which board would be longer? A board that measured 33 cm or a board that measured 1/3 of a meter?
asked by Lane 
math
what's the explicit formula for 8,15,27
asked by elizabeth 
math
9=15+v/3 24=v/3 v=72 correct??
asked by jill 
physics
how do you know in a problem ; what formula to use and what the displacement , final velocity , initial velocity , time , acceleration , is ?
asked by lala mon 
english
How do i determine if the prepositional phrase is an adverb or adjective?
asked by nicole 
Earth Science
Were there any lessons learned from the Valdez Spill that helped contain the devastation of the BP spill in the gulf?
asked by Vincent 
Math
What is th enext number in this pasttern and why ?? 5 25 50 10 ?? Thanks
asked by Steve 
Math 116
what is an interval notation and how do you find it? or write it?
asked by katie 
n
Ricki Cohn Encyclopedia sales Commission rate: 11% Month’s sales: $2,550 What is the monthly commission?
asked by Anonymous 
st. edwards
use rounding to estimate 8,2672,761=
asked by Lisa 
social studies
how johnny chapman becomes johnny appleseed
asked by sandy