Questions Asked on
January 6, 2011

Calc
The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours. a) Find the initial population. b) Write an exponential growth model for the
asked by Erica 
Calc
A body of an unknown temperature was placed in a room that was held at 30°F. After 10 minutes, the body's temperature was 0°F, and 20 minutes after the body was placed in the room the body's temperature was 15°F. Estimate the body's initial temperature.
asked by Erica 
statistics
a study of the time spent shopping in a supermarket for a market basket of 20 specific items showed an approximately uniform distribution between 20 minutes and 40 minutes. What is the probability that the shopping time will be a) between 25 and 30
asked by ann 
Science
Why does a balloon burst if you keep on blowing?
asked by Sean 
math
the area of a certain rectangle is 288 yd squared. the perimeter is 68 yards. f you double the length and width what will be the area and perimeter of the new rectangle
asked by Anonymous 
physcis
Calculate the total energy of 2.0 kg object moving horizontally at 10 m/sec 50 meters above the surface.
asked by Nallely 
Geography & World Cultures
Find a formal factor that connects Egypt to Africa, to Europe, and to Southwest Asia ?
asked by Katiee 
math
The points A (7,6) and B (2,1) are 3 units and 2 units respectively from the line L and are on the opposite sides of L. Find the coordinates of the point where the interval AB crosses the line L.
asked by jess 
chemistry
Write word equations for the following chemical reactions. a. Pure copper can be produced by heating copper(II) sulfide in the presence of diatomic oxygen from the air. Sulfur dioxide gas is also produced in this reaction. b. Water is formed by the
asked by sec 8.1 
3rd grade Math
In Harry's attic there are 3 spider webs. The first web is twice as large as the second. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot and 6 inches. How long is each web? Please provide explanation along with
asked by Dominique 
math
there are 4 possible scoring plays in NFL football game:touchdown=6 points;point after touchdown=1 point;feildgoal=3 points;and safty=2 points a. how many different ways could the team score 11 points? b. what final scores, between 1 and 30, are not
asked by hailey 
math
When chords intersect in a circle, the vertical angles formed intercept congruent arcs. always sometimes never
asked by danny 
calculus
a company is designing shipping crated and wants the volume of each crate to be 4 cubic ft and the crate;s base to be a square between 1 and 1.5 ft per side. if the material for the bottom costs $5, and the side $3 and the top $1 per square foot. what
asked by pokeit 
physics pleaaaaaaaaaaaaaaaaaaaaaaaaaaaaaase I need
Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure. I appreciate your help. thank you
asked by J 
7th grade math
500 divided by 100 explain the decimal movement when dividing by 100.
asked by nick 
Math
A line is parallel to 5x+2y8=0 and has the same yintercept as x+4y12=0 Find an equation for the line.
asked by John 
Geometry... Please help soon!
Write four arguments that meet the following criteria: Argument 1: The argument has a false premise, but follows good logic. Argument 2: The argument has true premises, but follows poor logic, leading to a false conclusion. Argument 3: The argument has
asked by Joan 
Physics
A girl sits on a merrygoround at the position marked by the brown circle. A boy gives the merrygoround a constant tangential push for 0.21 seconds as shown in the animation (position is in meters and time is in seconds). What is the magnitude of the
asked by teal 
AP PHYSICS MECH.
A simple pendulum, consists of an object suspended by a string. The object is assumed to be a particle. The string, with its top end fixed, has negligible mass and does not stretch. In the absence of air friction, the system oscillates by swinging back and
asked by vm 
trig
prove that :tan20 tan30 tan40 =tan10
asked by mostafa 
Physics
A pendulum is swinging back and forth. At its lowest point it has a speed of 4 m/s. It has a mass of 1 kg. a. How much KE does it have at it's lowest point? I got 8 Joules. b. At its highest point it is not moving. How much potential energy does it have
asked by Jacie 
math
A twoliter bottle of soda is a little more than 2 _____ or 1/2 of a ____.
asked by Elisabeth 
English Thesis Paper
I'm writing my thesis paper on bullying and I need help writing a thesis statement about how to overcome and prevent the different types of bullying (school and cyber bullying mainly).
asked by JD 
physics
a passenger at an airport pulls a rolling suitcase by its handle. If the force used is 10N and the handle makes an angle of 25 degrees to the horizontal, what is the work done by the pulling force while the passenger walks 200m?
asked by mandy 
physics
lake point tower in chicago is the tallest apartment biulding in the united states (although not the tallest biulding in which there are apartments). supose you take the elevator from street level to the roof of the biulding. the elevator moves almost the
asked by Adriana 
geometry
An isosceles right triangle has a hypotenuse of 8 units. What is the length, in units, of one the legs? Round your answer to the nearest hundredth if necessary.
asked by danielle 
Math
Find the odds. A basketball player with a free throw shooting percentage of 60% gets fouled and goes to the line to shoot free throws. What are the odds in favor of her making her first shot?
asked by Rena 
Precalc
There's f(x) = (2x+3)/(x+4) and g(x) = (4x3)/(2x) Solve for x in f(g(x)) I tried this but I could not end up with the answer being x
asked by Anonymous 
statistics
Your friend is thinking about buying shares of stock in a company. You have been tracking the closing prices of the stock shares for the past 90 trading days. Which type of graph for the data would be best to show your friend?
asked by blueyeshadow 
math/ physics
Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure. I would appreciate your help. thank you
asked by J 
physics
Two point charges are fixed on the y axis: a negative point charge q1 = 22 µC at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 µC is fixed at the origin. The net electrostatic force exerted on the charge q by
asked by michelle 
chemistry
13. The salt that is formed during the reaction between potassium hydroxide and hydrochloric acid is _____. (1 point) NaCl H2O KCl K2Cl
asked by artem 
Physics
A 900W motor is used to lift 275.51kg of bricks a distance of 30, to the roof of the building. a. If the motor ran for 90s how much work did it do? b. What is the potential energy of the bricks? I know how the calculate work, but I'm really confused about
asked by Jacie 
physics
Two point charges are fixed on the y axis: a negative point charge q1 = 22 µC at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 µC is fixed at the origin. The net electrostatic force exerted on the charge q by
asked by michelle 
history
Who were some of the original Texas Wildcatters?
asked by J 
physics
two balls collide in a head on elastic collision and rebound in opposite directions. One ball has velocity 1.2 before the collision and 2.3 after. the other ball has a mass of 1.1 kg and a velocity of 4.2 before the collision. What is the mass of the
asked by jay 
us history
Why did US policymakers feel the need to secure new markets abroad in the late 1800s?
asked by Makhmud 
computers
how can you apply the concept of readability,reusability,reliability in your use of worksheets?
asked by Anonymous 
english
What are some concrete words for these abstract words 1.intelligence 2.friendliness 3.darkness 4.aroma 5.stupidity 6.anger 7.hospitality 8.noise 9.celebration 10.luck
asked by libra 
PreAlgebra
Mistu purchased a basketball hoop for her driveway from a sporting goods store. After the sales tax rate of 5.5% was applied, the total cost came to $179.35.How much money would Mistu have saved if she had used a coupon good for 10% discount?
asked by Megan 
Exploring mathematics elementary algebra
The tens digit of a twodigit number is 3 less than the units digits. The number is four times the sum of the digits. find the number.
asked by Joe Mhar Plaza 
smith
tom can mow a lawn in 4 hours. perry can mow the same lawn in 5 hours. how long for them to mow the lawn together?
asked by mike 
science
what is the electrical output of a wind turbine with a diameter of 25metres when the wind speed is 10 metres per second?
asked by Wendy 
Science
Which of the following plants is nonvascular? a. ferns b. mosses c. gymnosperms d. club mosses is "b" correct?
asked by Anna 
math
Draw a segment 1 cm long Draw a segment 1 in long
asked by Elisabeth 
chemistry
1. why is it necessary to use boiled and cooled water in the dilution of the carbonate sample? 2. an aliquot of the diluted sample is titrated with some standard HCl until near the equivalence point, then it is boiled for 23 minutes. why should we boil
asked by angelo 
Algebra 1
solve using the multiplication principle. Then graph 12x>60. God Bless you all for your help.
asked by Esther 
Math
A line is parallel to 5x+2y8=0 and has the same yintercept as x+4y12=0 Find an equation for the line.
asked by Mathew 
Algebra 1
Solve then graph a+3 ¡Ü 17. Sorry, I think i forgot to include the less or greater sign in the first post. Thank you very much.
asked by Esther 
Math, please help!
We are doing a small group project and my group members and I are very confused. The project description: Using the variables provided below, you are working with your group to make a recommendation to the township directors. Currently we mow the grass
asked by Lindsey 
termodynamic/phsics
What characteristics should solar collectors have, to function in an optimal way? Why should these properties be fulfilled? If there is a water flow of 500 g / minute to a solar panel on one m2, how much water is heated up under optimal conditions during
asked by adam 
Probability
urn1 contains 3 red chips and 1 white chip. urn2 contains 2 red chips and 2 white chips. 1 chip is drawn from each urn and transeferred to the other urn. then a chip is drawn from the first urn. what is the probability that the chip ultimately drawn from
asked by Lala 
Technology
Would the president of a technologies workers union be considered a stakeholder for a telecommunication company?
asked by Jeffrey 
Intro to Business
The U.S. Supreme Court ruled that cities could have school voucher programs that give money directly to parents, who could then choose between competing schools, public or private. The idea was to create competition among schools. Like businesses, schools
asked by Lisa 
Algebra
I need to evaluate the following expression. Can anyone tell me if I am right on this or on the right track? Thanks 6 (x+3)  4 (x+2) 6x+18) – (4x+8) 6x + 18  4x 8 2x +10
asked by Mary 
government
The President's power to veto congressional legislation and the requirement that Congress confirm the President's nominees to the Supreme Court are both examples of what?
asked by keith 
math
Multiple choice question. Describe all symmetries of a square. A) 2 lines of reflectional symmetry B) 2 lines of reflectional symmetry, 180 degree rotational symmetry C) 4 lines of reflectional symmetry D) 4 lines of reflectional symmetry, 90 degree
asked by m 
physics
Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure.
asked by Jessy 
algebra
Two rectangles have the same width. The length of one is 1 foot longer than the width. The length of the other is 2 feet longer than the width. The larger rectangle has 5 more square feet than the smaller. What is the width of the rectangles
asked by Anonymous 
4th grade
sylvester bowls once a week. this week he bowled four games. his scores were, 105 103 107 109 what is his average (mean) for the week? explain how you found your answer. what is the median score for the week? explain how you found your answer. what is the
asked by dk 
Physics
A 250kg anvil is sitting on a table. What is the normal force on the anvil ?
asked by Nateisha 
math
write the unit rate as a ratio.then find the equal ratio
asked by Tameria 
Math (algebra)
(y1)/2u+x=m what does "u" equal?
asked by Maria 
physics
Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure.
asked by marwan 
business math
How much tax must be sent to the IRS for the first quarter if the annual income is $63,000.00, Social Security is 12.4%, Medicare is 2.9% and federal income tax rate is 22%?
asked by lucie 
computers
How many coulombs of charge do 30 10^31 posses?
asked by Anonymous 
Chemistry
Aluminum wire is sold on 10 pound spools (100.00 lbs). The diameter of a 12 gauge aluminum wire sold on these spools is 0.0808 inches. If the density of the aluminum is 2.70 g/ cm3. Wat is the length ( in meters) of the wire on the 10 pound spool of 12
asked by leia 
lgrammar
can you give me an example of a sentence with subject pronoun, action verb, adverb phrase, verb, subordinating conjunction, adverb, linking verb, subject, infinitive phrase?
asked by matt 
science
a car traveling 20m/s brakes and takes 3s to stop. what is the acceleration in m/s2?
asked by Tia 
precal
Why is there no corresponding point on tan^1(x) for the (135,1) on the graph tan(x). Thanks!
asked by jen 
microeconomics
Assume you read in a newspaper that firms who produce baby milk are not doing well due to melamine case. With the theory of perfect competition in mind, what do you expect to happen to the baby milk prices? Will the firms able to make profits in long run?
asked by mimi 
Physics
An unbalanced forced of 2.5x10^3N is applied to an object with a weight of 3.0x10^3N on a frictionless surface. What is the objects acceleration?
asked by Clement 
AP chemistry
If 25.0g of water are decomposed at RTP how would you find the volume of hydrogen gas produced?
asked by Lily 
physics
a 2 kilogram rifle initially at rest fires a 0.002 kilogram bullet. as the bullet leaves the rifle with a velocity of 500 meters per second, what is the momentum of the rifle bullet system? isn't the answer one because final momentum minus initial momentum
asked by john 
6th grade
car traveling 20m/s brakes and takes 3s to stop. what is the acceleration in m/s2?
asked by amy m 
geometry
In the rhombus ABCD, AB=10 and AC=12. Find the area of the rhombus. I am confused about how to solve this problem.
asked by Anonymous 
HELP MATH
lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the
asked by Anonymous 
science
find a chart to help with blood types and rh. allele combinations
asked by matt 
science
based on the relationship between mass and volume.... How much space would 75 grams of water occupy?
asked by jake 
Spanish
Can anyone look over this and see if its correct etc. thx Venezuela Script El País que estoy haciendo mi proyecto sobre es Venezuela Venezuela es un país situado en el nor del america del sur Venezuela frontera con el Mar Caribe, Colombia, Océano
asked by Lorax Snow 
Math 208
Solve each system by the substitution method. x+3y=2 x+y=1
asked by Jodie 
chemistry
freezin point of the solution 25.5g c7h11no7s in 1 x 100gh2O (nonionizing solute)
asked by cynthia 
Math (important!)
We are doing a small group project and my group members and I are very confused. The project description: Using the variables provided below, you are working with your group to make a recommendation to the township directors. Currently we mow the grass
asked by Lindsey 
Algebra II
Write each polynomial as the product of two binomials. What's the answers? (x  12)9 + x(x  12) x(x + 7) + 9(x + 7) (x  10)9 + 7x(x  10)
asked by Tory 
english
which if proper, too funny or to funny
asked by Anonymous 
algebra
The length l(w) of a box that is two more than four times the width w what type of function rule would I write for this
asked by Dasheia 
tres ninos school
exploring mathematics elementary algebra....the sum of the digits of a twodigit number is 12. the value of the number is equal to 11 times the tens digit. find the number.
asked by Joe Mhar Plaza 
Geometry
If AB = 3x +8 and GJ = 2x +24 what is AB? AB and GJ are 
asked by Nick 
history
First Persian Gulf War in the early 1990 explain why the US was either justified or not in the specific action?
asked by Anonymous 
algebra
s=vt+1/2at2(squared)
asked by kelli 
Exploring mathematics elementary algebra
the units of a twodigit number exceeds thrice the tens digit by 1. the sum of the digits is 9. find the number.
asked by Joe Mhar Plaza 
4th
what is an array
asked by rashaun 
math
Find the derivative of f(x)= (2x+3)/(3x+5)
asked by Jesse 
chemistry
using the balanced equation for the fermentation reaction, calculate for the theoretical amount of alcohol to be produced using 10 grams of sucrose. 0.79 g/ml is ethanol's density.
asked by mae 
Science
How many days will it take for 3/4 of a sample of polonium 210 to decay?
asked by Diane 
calculus
You are designing a rectangular poster to contain 256 in2 of printing with a 3in. margin at the top and bottom and a 2in. margin at each side. What overall dimensions will minimize the amount of paper used?
asked by Taylor 
calculus
Find the area and dimensions of the largest rectangle (with sides parallel to the coordinate axes) that can be inscribed i nthe region enclosed by the graphs of f(x)=18x^2 and g(x)=2x^29.
asked by Taylor 
english
What are some abstract word for 1.quaterback 2.scream 3.perfume 4.pepper 5.bruise 6.dog 7.binoculors 8.teeth 9.lamb 10.book
asked by libra1017 
Physical Science
Four groups of rats are tested in a lab. Group 1 is given a special hornmone for muscle growth. Group 2 is given a special multivitamin diet. Group 3 receives both the hormone treatment and the multivitamin diet. Group 4 does not receive any extra
asked by Vegeta Super Saiyan 3 
Physical Science
Compare a benifit and a risk of radiation therapy in the medical field.
asked by Vegeta Super Saiyan 3 
exploring mathematics elementary algebra
the sum of the digits of a twodigit number is 12.the value of the number is equal to 11 times the tens digit. find the number.
asked by Joe Mhar Plaza 
English
Students are often confused about the use of the words good and well in their writing. Write a 100word to describe five details from her book that are good and five details about the book that are written well.
asked by Scott 
English
Describe the strategies you have developed to avoid confusing the use of adverbs and adjectives in the future.
asked by Scott 
English
Can you pleas check these sentences for me, please? Thank you. 1) Your sentences are either confused or do not make sense at all. You mixed tenses, gender and even invented words! I think you should rewrite each paragraph checking in your literaure book
asked by Franco 
math
which is greater and less than
asked by savannah 
Math
write a formula that gives you the number of regions formed when x points are placed on a circle and all possible chords are drawn. ex. 2pts has 2 regions, 3pts has 4 regions, 5pts has 17 regions
asked by carl 
pysics
A spring stretches 3.4cm when a 7g object is hung from it. The object is replaced with a block of mass 24 g that oscillates in simple harmonic motion. Calculate the period of motion
asked by sarah 
Exploring mathematics elementary algebra
The sum of the of a twodigit number is 15. One third of the number diminished by 12 is 17. Find the number.
asked by Joe Mhar Plaza 
Physics
How much time is needed to completely stop a 1600 kg car moving at 35 m/s if an average force of 4200 n is applied?
asked by Maya 
business math
An Amusement park purchased equipment from a manufacturer for a list price of $42,000.00 minus trade discounts of 30/20/15. Calculate the amount of the trade discount on the purchase.
asked by annie 
Physics
How much force is needed to make a 1,400 kg car moving at 35 m/s come to a stop in 5.2s?
asked by Maya 
Physics
How much force is needed to make a 1,400 kg car moving at 35 m/s come to a stop in 5.2s?
asked by Maya 
chemistry
if 5liters of hydrogen iodide gas is bubbled through 2 liters of 0.0275 M lead 2 nitrate solution at STP, how many grams of lead 2 iodide will precipitate out?
asked by jess 
Physics
How much time is needed for 5.0 N force to increase the speed of a 0.248 kg object from 12 m/s to 56 m/s?
asked by Maya 
Chemistry
what would an open manometer look like in which the pressure of the gas sample is 34.5 kPa higher than the atmosphere?
asked by al 
social studies
How did Hindus and Buddhists look at social class differently? Hindus looked at social class as the type of group you're in and the duties you have. But, Buddhists looked at social class as something that didn't determine a person's place in life. Is this
asked by Reed 
7th grade math
50 divided by 10 EXPLAIN THE DECEMAL MOVEMENT WHEN DIVIDING BY 10.
asked by nick 
Math (URGENT)
write a formula that gives you the number of regions formed when x points are placed on a circle and all possible chords are drawn. ex. 2pts has 2 regions, 3pts has 4 regions, 5pts has 17 regions
asked by carl 
Exploring mathematics elementary algebra
The units digits of a twodigit number is 5 more than the tens digit. If the sum of the digits is one third of the number, find the number
asked by Joe Mhar Plaza 
Physics
Does the frequency of light change as it enters a different substance? I know that the speed changes. The question might seem easy, but I have contradicting notes, so I'm confused.
asked by anon 
Physical Science
To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two
asked by Vegeta Super Saiyan 3 
english
Using plurals and possessives. How can you write a sentence about storing financial information effectively and efficiently.
asked by sasha 
7th grade math
6+x=2x14. I'm not to sure how to solve this type of equation.
asked by Allison 
math
Two liters of water has a volume of __________ cubic centimeters and a mass of ________ kilograms.
asked by Elisabeth 
statistics
If you buy one ticket in the Provincial Lottery, then the probability you will win a prize is 0.11 what is the probability that you would first win when you purchase the second ticket?
asked by Sky 
math
A 45yrold woman with a resting heart rate of 65 beats per minute should keep her heart rate between 131 and 153 beats per minute while exercising. She checks her pulse for 10 sec while exercising. What should the number of beats
asked by Professor Mac 
math
125x.1 explain the decimal movement when multiplying by .1
asked by nick 
Science
Imagine an environment that is very dry and receives a lot of sunlight. Water is found deep below the soil. Which of the four groups of plants could survive in this environment? Explain your answer.
asked by Anna 
math
A gallon of gasoline is more than _______ liters but a little less than ______ liters.
asked by Elisabeth 
physics
a 5 kg box slides a 10m distance on ice. if the coefficient of kinetic friction is .20, what is the work done by the friction force?
asked by alana 
math
Two liters of water has a volume of ______ cubic centimeters and a mass of _______ kilograms.
asked by Elisabeth 
Math
Find the second derivative of x(x+1)^3
asked by Allison 
algebra
The length of an altitude of a triangle is 1/3 the length of the side to which it is drawn. If the area is 6 square cm., then what is the length of the altitude?
asked by Tammy 
Math
Rearrange 8x+2y+11=0 into the form y=mx+b
asked by john 
math
1 meter^3 = ________ centimeters^3
asked by Elisabeth 
math
1 meter^3 = ________ centimeters^3
asked by Elisabeth 
algebra
what is a function rule for the perimeter P of a building with a rectangular base if the width w is 2x the length l?
asked by The master 
Fine Arts
Need help with this 26. Explain the relationship between the Baroque style and the CounterReformation. MC
asked by mysterychicken 
Math
A line is parallel to 5x+2y8=0 and has the same yintercept as x+4y12=0 Find an equation for the line.
asked by John 
Geometry
In right triangle ABC, the median to the hypotenuse has length 15 units and the altitude to the hypotenuse has length 12 units. What is the legth of the shorter leg of triangle ABC?
asked by Jake 
math
1 meter^3 = _________centimeters^2 1 kilometer^2 = __________ meters^2
asked by Elisabeth 
Science
Which of the following plants is nonvascular? a. ferns b. mosses c. gymnosperms d. club mosses is "b" correct?
asked by Anna 
math
1 meter^3 = _________centimeters^2 1 kilometer^2 = __________ meters^2
asked by Elisabeth 
math
1 meter^3 = _________centimeters^2 1 kilometer^2 = __________ meters^2
asked by Elisabeth 
Geometry
Find the area of the rhombus: In rhombus ABCD, AB=11 and AC=13. Find the area of the rhombus. What should be done to find the values of the diagonals?
asked by Anonymous 
history of edcation in america
How has Recent counts theory contributed to education
asked by nita 
algebra 1 8th Grade
Find the constant of variation for the direct variation. F(x)=4.5x
asked by shanequa 
science
are mosses nonvascular?
asked by Annabell 
math
Coach Bernard archery class spent an afternoon shooting arrows in the air with initial speed of 128 feet per second. The relationship between the height of an arrow and the time, t, of travel in seconds can be molded by the equation f(t)=16t2+128t. Which
asked by jon 
basic economics mastrianna
will economics ever develop into an exact acience?
asked by gulnaz makhmudova 
Science
how much CO2 and how much energy are released in the combustion of 1 tonne of coal?
asked by Tracy 
Science: Physics
A physics teacher shoots a .30 caliber rifle at a 0.47 kg block of wood. The rifle and wood are mounted on separate carts that sit atop an air track (like a linear air hockey tableie. frictionless). The 5.7 kg rifle fires a 27 gram bullet at 227 m/s in
asked by Joan 
world history
How did the Reformation in Great Britain affect the colonization of the New World
asked by jay 
social studies
how did the Nile river and the sorrounding area help protect egypt
asked by brianna 
calculus
How do you find the derivative of (2(x^2+1))/((x^21)^2) ? I have the answer which is: (4x(3+x^2))/(x^21)^3) I can't figure out my mistake when I'm doing it though. Could you solve it step by step?
asked by Jordan 
algebra
what is the degree of the polynomial p(x)+q(x) let p(x)=x^47x+14 and q(x)=x^25
asked by Jacob Clark 
Algebra 1
Solve, then graph a +3 ¡Ü 17. Can someone please help me with this problem? I would sure appreciated. Thank you before hand.
asked by Esther 
Algebra
I have an exponent properties test tomorrow, its our last one before the final, so its important, but anyways, there is one question on the review that is confusing me. Could you please help? Here it is : (2y2x7)(xy)(9x3y) I don't know if the exponents
asked by Abigail 
algebra
what is the degree of the polynomial p(x)+q(x) let p(x)=x^47x+14 and q(x)=x^25
asked by Jacob Clark 
Lines and Slopes Math
A line is perpendicular to x+3y4=0 and has the same yintercept as 2x+5y20=0. Find an equation for the line
asked by Mathew 
managerial finance grad level
An option can often have more than one source of value. Consider a logging company. The company can log the timber today, or wait another year (or more) to log the timer. What advatages would waiting one year potentially have? Name three considerations.
asked by monique 
physics
the same force is applied to each object which distance will travel thegreatest distance... a.bicycle b.car c. truck d. bus
asked by blake 
chem
What is the frequency of radiation whose wavelength is 19.80 ? thanks:)
asked by rebekah 
math
the school musicial is performed 5 times. between 850 and 875 people attented. which is a reasonable number of people who attend each performance? 190,175,160,or 150.
asked by michael 
chem
express 47.2 as scientific notation
asked by lupe 
Fine Arts
This is the answer I got for #26 (The last question I posted): The CounterReformation was an effort by the Catholic Church to lure people back and to regain its former power. Art played a major role in this movement to encourage people to return to the
asked by mysterychicken 
Math
Okay I have a scatterplot, so I have points on the graph. I need to use these points (without using regression on my TI83) to discover a cubic function that would fit the data (as a sort of trend line). How do I go about this? I looked up the graphing
asked by Lauren 
Physics
A coin rolls along the top of a 4.33 meter high desk with a constant velocity. It reaches the edge of the desk and hits the ground +0.15 meter from the edge of the desk. What was the velocity of the coin at it rolled across the desk?
asked by Maciee 
Physics
A 0.700 kg object attached to the end of a 0.560 meter wire revolves uniformly on a flat, frictionless surface. a) If the object makes three complete revolutions per second, what is the force exerted by the wire on the object? b) What is the speed of the
asked by Lee 
Medical office practice
appointments  preparing new patient appointments schedule drafting letter to patients to inform of new doctors hours
asked by Samantha 
language
What is the adjective for the question, Some hawk's eyes are yellow.
asked by kim 
history of education in america
What is david Ausubel theory in how to increase motivation. Thank for the infro on counts
asked by nita 
algebra 1
a 100 foot cable is cut into two pieces.the first piece is 18 ft longer than the second. how long is each piece
asked by julie 
com170
Write five sentences about the role of education in successful financial planning in the spaces on the following page. Correctly use a different verb tense in each sentence. Highlight each verb in yellow and identify the tense in parentheses. 1. Education
asked by jana 
math
answer this x1/3=1/4
asked by christina 
math
answer this x1/3=1/4
asked by christina 
math
answer this x1/3=1/4
asked by christina 
Algebra 1
What is the slope of a line passing through (3,2) and (5,2) Fill in the answer box m=. Thanks!
asked by Esther 
chemistry
Calculate how many moles of productwould be produced if .310 mol of the first reactant were to react completely. (a) CO2 + 4 H2 ¨ CH4 + 2 H2O CH4 _____ mol H2O _____ mol (b) C3H8 + 5 O2 ¨ 4 H2O + 3 CO2 H2O _____ mol CO2 _____ mol (c) 3 H2SO4 + 2 Fe
asked by Anonymous 
math
Write 6+6+6+6=24 as a multiplication sentence.
asked by maria 
math
To multiply 5 by 3, you can find the product of 2 and 5 and the product of 1 and 5 and ________them.
asked by maria 
Trigonometry
``(please show the steps to how the problems were solved) Using exact values, find the value of: A.12sin 30 degree  6 tan 45 degree + sec 45 degrees/ 52 B.Sin2A + tan3A/2  cos A + sec(a+ 15), when A=30degrees
asked by Anon 
chemistry
WHAT IS THE COM[POSITION OF ASHOKSTUMB
asked by SUKHMAN 
Algebra
Write the equation y  4 = 2(x  5) in slopeintercept form.
asked by joshua 
ant
What does Miner's piece tell us about the difficulty of describing another culture?
asked by sharon 
Algebra
Use P= 7200+300x2x^2 p= profit x selling price question: Determine the selling price when 90% of the maximum possible profit is earned
asked by Holly 
arithmetic
7/8h= 3
asked by math dude 
science
i need help finding some household items that have some of the following forms of energy: radiant, chemical, nuclear, electrical, acoustic, thermal, and mechanical. so far i have the TV as electrical, acoustic, and mechanical; the stove top as electrical,
asked by Bri 
Math
A cube has a volume of 24 cubic units. What is the APPROXIMATE length of each side of the cube?
asked by Kayla 
Math
1. Find the volume of a rectangle prism with the length 4m, width 6m, and height 11m. 2. 3 1/2 yards = _____feet? 3. How many days are in 624 hours? 4. 4.39 x 37.5 is between which to consecutive intergers?
asked by Taliyah 
english thesis
how effective herbaka is in cring colds and cough?
asked by mark leonard 
ecology
how effective herbaka(a herbal medicine) in curing cold and cough?
asked by mark leonard 
math/number sense
shawna thinks that 8*2=17. what number pattern shows that she is not correct?
asked by shy 
ecology
how effective oregano(herbal medicine) in curing colds?
asked by mark leonard 
writing in math
stacy multiplied 589 and said the answer was 44. what two patterns could you use to show that her answer is not correct?
asked by shy 
simple easy math question PLEASEEE HELPP!!!
is this true? log^2 x = (logx)^2
asked by Sabrina 
Math 3
6/11 + 2/13=
asked by Amanda 
physics
A man weighing 500 newtons sits in swing suspended with two ropes if each rope makes an angle of 30 degree with the vertical, what is the tension in each rope?
asked by Liezel C. Cruz 
work
In Twain's "The Private History of a Campaign that Failed," Smith, the blacksmith's apprentice, is given "ultimate credit" for
asked by Anonymous 
science
Using a force of 20 Newton cody pushes a lawnmower 5m. how much work did cody do?
asked by Sofia 
math
5 liters of water= ____ kg liters and kg are 2 different types of measurement but 1 liter of water is 1 kg so would this make the answer then 5 kg or would it not be able to be solved since 2 different types of measures?
asked by m 
Language
Which would be correct? They or Them and I are buying some groceries. Would it be They?
asked by Mark 
Math
Draw a rectangle with an area of 48 cm squared that has a decimal factor for either the length, the width, or both.
asked by Nathan 
Math (algebra)
(xu)/3=5y what does "u" equal?
asked by Maria 
math
what does this mean 2???????? (those arnt one outside the twos there lines;])
asked by Tiana 
Science
How much rope will be needed to lift a load 48m in a single fixed pulley system if the effort is 63n and why
asked by Kennedy 
science
how much gravitational potential energy would a 1kg ball have when it is initially released 2 meters above the ground?
asked by jada 
math
When f(x)=2x^3+ax^2+bx+c is divided by (x^21) the remainder is x+1. If (x2) is a factor of f(x), find the values of the constants a,b and c. Thanks :)
asked by Matteo 
Physcis 30
Q1) If there are 100 radioactive atoms with a halflife of 30 seconds, how many radioactive atoms will remain after one halflife (30 seconds)? How many will remain after two halflives (60 seconds)? Three halflives? So basically, after 30 seconds it will
asked by Marium 
american history
why were the french at first reluctant to sign an alliance with the colonies
asked by alexander 
College Algebra
Investment A: $5,000 invested for 7 years compounded semiannually at 9%. Investment B: $ 6,000 invested for 5 years compounded quarterly at 4.1%. Find each total for each investment and determine which investment results are greater.
asked by Shawntee 
6th grade
hi I am trying to help my daughter do her homework I don't have the formula to sovle the problem during rush hour traffic in the big city it can take 1.5 hour to travel 45km. what is the average speed in km/h for th trip
asked by amy m 
Grammar
Readthe sentences. Write the first letter of the type of figurative language used in each sentence, S=Simily M=Metaphor H=Hyperbole P=Personification 1. The wind whistled through the trees. P 2. I am so hungry I could eat a horse. H 3. She was as quiet as
asked by Tiffany Jade 
AED 204
My assignment says to write no more than 150 words about the requirements specific law places on educators. I have the whole thing complete except for the Americans with Disabilities Act. From what I have read and understand, this focuses more on
asked by Shelly 
geometry
If AB = 21 centimeters, and BC = 28 centimeters, which does AC equal?
asked by jonjanay 
science
what happens to rocks after their elastic limit is passed
asked by davon 
microeconomics
“Competitive firms do not want to produce its goods even after an increasing marginal product has set in and the marginal cost is decreasing”. Do you agree?
asked by mimi 
algebra2
determine the domain and range:{(x,y)y2=5x}
asked by anna 
Algrebra
3uux/x=6y/x
asked by Maria 
math
A grocer get food from three suppliers. They deliver every 5 days, 6 days, and 7 days, respectively. All three came today. When will they all deliver on the same day again?
asked by emily 
algebra(Math I)
A triangle's base is 14 inches less than 2 times its height. If h represents the height in inches, and the total area of the triangle is 54, which of the following equations can be used to determine the height? A. 7hh2=54 B. 2h214h=54 C. h27h=54 D.
asked by lewis 
childcare
what taxes must be paid only by the employer?
asked by nina 
Math
if a triangle has a perimeter of 50cm one side is double the length of the base and the second side is four less than three times the base how long is the base?
asked by Maria 
science
how many kinds of different kinds of measurements would you need to make in order to calculate the speed of something????
asked by nathaniel 
business math
A store buys 30 gallons of milk at $1.58 per gallon. To achieve a 20% markup based on cost, what should be the selling price per gallon rounded to the nearest cent?
asked by anne 
Functions
3^2x  5(3^x) = 6
asked by Kristian 
accounting
local school system asks you to submit a proposal to do preemployment physicals for 60 bus drivers. What financial or accounting information do you need to submit the proposal?
asked by sarah 
HELP MATH
to play a game, a die is rolled to see who plays first. four players are going to play the game. what is the probability that at least two people roll the same number?
asked by Anonymous 
American culture
What artists and bands have had the greatest effect on popular culture? Explain why? Do you think the changing genre of popular music influences culture of time? If so, explain how? If not, explain why not?
asked by Anonymous 
Chemistry  Forensics
Discuss the chemistry of chemical reagents in forensics. Please be as specific and clear as possible. Thank you!
asked by Tilly 
art history
please i need help my question is about the play of Sheridan (The Rivals ) i want critical analysis of act 3 scene 2 in the play and the soliloquy in this act ?
asked by sOoOma 
math
what inequality is true if x=3.04/1.48, y=1.99+0.33, and z=(1.3) to the 3rd power
asked by Tiana