Questions Asked on
December 13, 2011

science
When was the origin of the universe?
asked by penny lane 
Chemistry
In a chromatography experiment, a solution was prepared by mixing 12.98 mg of isopropanol plus 10.00 mL of an unknown containing some acetone, and diluting to 25.00 mL. Signal of 5.97 and 6.38 were observed for the acetone and isopropanol, respectively. In
asked by Ken 
english
She thought she saw a stranger, but he turned out to be her neighbor who was back from vacation early. this would be a compound sentence, correct?
asked by Amy 
Mathematical methods
Following completion of your weekly readings, complete the exercises in the “Projects” section on page 397 of Mathematics in Our World. You should be concise in your reasoning. For Project #1, work only equations (a) and (c), but complete all 6 steps
asked by Debbie 
Math 109
Your cousin has just won the lottery and wants to create an account that will have $100,000 in 16 years to help pay for their child's college tuition. If the account has a fixed interest rate of 4.6% compounded 3 times each year, how much money should they
asked by Julie 
Math 109
If an account has a 3.4% interest rate compounded monthly, how much money do you need to invest now to have $10,460 in 10 years?
asked by Julie 
Newton's Law of Cooling
You are a forensic doctor called to a murder scene. When the victim was discovered, the body temperature was measured and found to be 20°C. You arrive one hour later and find the body temperature at that time to be 18°C. Assuming that the ambient
asked by Helga 
trig/precalculus
A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M =
asked by A 
calculus
Use the fundamental theorem of calculus to evaluate the following integral ∫^π/2 **the bottom is zeroe. cosx dx
asked by Roxy 
calculus
Sketch the region bounded by the graphs of the algebraic functions & find the area of the region: f(x)=10/x, x=0 , y=2, y=10 I started idk how to keep going y = 10/x for x >x = 10/y
asked by Venne 
math
draw apieceof yarn3 counters
asked by Amal 
math
a refreshment stand at the fair was open for 3 hours. four people each took turns working at the stand for the same amount of time hoe many minutes did each person work ?? HELP PLEASE !!!
asked by ritzy 
MATH
cereal is good source of protein . how many quarter cups of cereal are there in 6 1/4 cups ??
asked by ritzy 
oceanography
how did the ocean form?
asked by penny lane 
PreCalculus
I need help with a Matrix Algebra problem A small school has 100 students who occupy three classrooms A, B, and C. After the first period of the school day, half the students in room A move to room B, onefifth of the students in room B move to room C, and
asked by Lana 
Anthro
“How do images challenge our assumptions and understanding of society as relatively cohesive, homogenous and stable social units?” (feel free to simply summarize potential ideas)
asked by john 
Finite Mathematics
I just need help with the set up of this problem, that's where I'm getting lost. A mining company operates two coal mines, M1 and M2. The company sells the coal to three purchasers: two steel mills P1 and P2, and a power generating station P3. The cost of
asked by Dave 
english
Should i use the word by, of, as..in this sentence? John doesn’t know who or what to believe, for he has never experienced the cruelties by white people, like his father had.
asked by joe 
physics
A 43 kg, 5.3{\rm m}long beam is supported, but not attached to, the two posts in the figure . A 23 kg boy starts walking along the beam.How close can he get to the right end of the beam without it falling over?
asked by Anonymous 
physic:(
Two ice skaters, Daniel (mass 70.0 ) and Rebecca (mass 45.0 ), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0 before she collides with him. After the collision, Rebecca has a velocity of
asked by roro 
physic:(
Starting at = 0 , a horizontal net force 0.280 (0.440 is applied to a box that has an initial momentum 2.90 4.10 .
asked by roro 
English
Is it correct to use the simple past when referring to Poe's ideas and the present when referring to the characters in his tales? 1) Poe believed(simple past) that this impulse, which was hidden in every material and spiritual portion of the universe,
asked by Henry2 
Math for Liberal Arts
You have a 5 minute hour glass and an 8 minute hour glass. You need to cook something for exactly 9 minutes. How will you use the two hour glasses to determine the exact time? There is no way to determine where the halfway mark is with the hourglasses.
asked by Rebekah 
physics
Two motorcycles are traveling in opposite directions at the same speed when one of the cyclists blasts his horn, which has frequency of 544 Hz. The other cyclist hears the frequency as 522 Hz. If the speed of sound in air is 344 m/s, what is the speed of
asked by Anonymous 
English
I left out the last two sentences. Thank you. 1) Walton is the double of Frankenstein since he manifests the same ambition, the wish to overcome (go beyond is possible?) human limits in his travelling towards the unknown. 2)Frankenstein and his creature
asked by Henry2 
oceanography
What is the relative density of seawater. granite rock. basaltic rock. mantle
asked by penny lane 
Statistics
Suppose you gave a skill test to 3 different PE classes and want to know if they differ in terms of their scores. The skill tests scores are as follows: Class 1: 23, 21, 19, 22 Class 2: 18, 19, 21, 18 Class 3: 21, 20, 19, 22 Conduct an ANOVA and report the
asked by Lisa 
Chemistry
A compound of the element A and oxygen has a mole ratio of A:O=2:3. If 8.0 grams of the oxide contains 2.4 grams of the oxygen, a. What is the atomic weight of A? b. What is the weight of one mole of the oxide? c. What theoretical weight of the oxide is
asked by Anne 
pharcare
human development and its dominant characteristics,please give me the link I can't find it.thanks:)
asked by anon 
chemistry
Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025, concentration = 75mM) to give a final ratio of compound C:D of 4:1 . What volume of compound D is to be added? ''DR BOB 222 IT IS A
asked by jenny 
chemistry
By reference to Molecular orbital Theory and giving the appropriate MO diagrams explain why the bond in N2 is very strong short (bond dissociation entalpy 945 kjmol1,bond length 109.8 pm) while that in O2 is weaker and longer (bond dissociation entalpy
asked by rebecca 
chemistry
using VSEPR THEORY SHOW WHY 1)BF4 is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4 IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule
asked by rebecca 
chemistry
using VSEPR THEORY SHOW WHY 1)BF4 is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4 IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule
asked by rebecca 
chemistry
using VSEPR THEORY SHOW WHY 1)BF4 is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4 IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule
asked by rebecca 
chemistry
explain what is meant by the term 'Hybridisation' in molecular orbital theory and show how the concept can be used to explain the structure and bonding in ethane C2H6 ETHENE C2H4 AND ETHYNE C2H2
asked by rebecca 
math
Hi would you please show how to know if the function is differentiable or not ? please show me the answer with examples
asked by jack 
Language Arts
having some trouble deciding between which verb completes the sentence. Would it be "A bell lays or lies on its side? Also having trouble on the sentence, "The piano sets or sits on a platform." Thanks...
asked by Brandi 
Statistics
What electrical changes occur in muscles as they get tired? student subjects are instructed to hold their arms above their shoulders as long as they can. Meanwhile, the electical activity in their arm muscles is measured. This is
asked by Anonymous 
Statistics
What electrical changes occur in muscles as they get tired? student subjects are instructed to hold their arms above their shoulders as long as they can. Meanwhile, the electical activity in their arm muscles is measured. This is
asked by Anonymous 
physics
Calculate the Mechanical Advantage for an incline plane that raises the load to 2.4 meters and has a length of 13.8 meters.
asked by carlos 
alg II
linear functions if g(fx) = 2x+6 f(gx) is a line through origin what is f(g2011)
asked by matt 
psychology
What are the effects of type of processing and channel of presentation on recall of words? HELP!!!!!!!!!!!
asked by Kiki 
MATHIN URGENT NEED OF HELP!
About sequences.... (i) 32, 25,18,11,4 ____(Answer?) (ii)1,3,6,10,15 ____ (iii) 1,3,9,27,81 (iv)64,16,4,1,1/4(this is NOT a typo!)
asked by Howler 
statistics
Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes of scheduled arrival time). Assuming that the ontime rate is representive of the entire commercial airline industry, consider a
asked by Vickie 
chemistry
What is the pH of 14g of Ca(OH)2 dissolved to 350ml
asked by Renee 
math
Aimi is making Valentine's Day cards for everyone in her class. She plans to use a whole sheet of paper for each of her 5 closest friends. She will use 1/2 of a sheet of paper for everyone else in the class. She has 15 sheets of paper. How many cards can
asked by Jane 
trig/precalculus
A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are modeled by the equation Mwcosx = wsinx, where M is the coefficient of friction. What is an expression for M in terms of x? A. M =
asked by Joesph 
Chmistry
Sodium metal dissolves in liquid mercury to form a solution called a sodium amalgam. The densities of Na(s) and Hg(l) are 0.97 g/cm3 and 13.6 g/cm3, respectively. A sodium amalgam is made by dissolving 1.0 cm3 Na(s) in 20.0 cm3 Hg(l). Assume that the final
asked by bernan 
Physics
Why did the chicken cross the road?
asked by Logan 
Chem
Zinc reacts with HCl to produce ZnCl2 and Hydrogen gas, H2. What volume, in ml of a 1.25 M solution would be required to completely react with 3.27 g of Zn? Zn(s) + 2 HCl (aq) > ZnCl2 + H2
asked by Meagan 
Algebra
Solve (x1)^2 = 16 please show steps
asked by Matt 
Algebra
Solve: squareroot 2x1  squareroot x+3 = 1 please show steps
asked by Matt 
math
Aimi is making Valentine's Day cards for everyone in her class. She plans to use a whole sheet of paper for each of her 5 closest friends. She will use 1/2 of a sheet of paper for everyone else in the class. She has 15 sheets of paper. How many cards can
asked by Jane 
Algebra
Based on surveys conducted in your area, you determine that it is feasible to sell your specialty pizzas for $15. The cost for making the pizzas includes a fixed cost of $55 and a labor cost of $4 per pizza. Establish an equation to determine revenue.
asked by Mandy 
Intermediate Math
Rationalize the denominator. 2 / squareroot7+squareroot3 Please show steps
asked by Skylar 
Algebra
Solve by completing the square: x^26x+3=0 please take me step by step
asked by Lynn 
Physics
A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley as shown in the gure. Mass M is started with an initial downward speed of 2.13 m/s. What then is the speed (m/s) of
asked by Kristina 
Alg 2
Please Help... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.
asked by rock 
Alg 2
Suppose you deposit a principal amount of p dollars in a bank account that pays compound interest. If the annual interest rate r (expressed as a decimal) and the bank makes interest payments n times every year, the amount of money A you would have after t
asked by rock 
MATHS
a gun is fired at a distance of 24.3km away from man. he hears the sound after 27 second. find the speed of sound at which it travels.
asked by vishal 
Physics
A crate of mass 0.812 kg is placed on a rough incline of angle 35.3 degrees. Near the base of the incline is a spring of spring constant 1140 N/m. The mass is pressed against the spring a distance x and released. It moves up the slope 0.154 meters from the
asked by Lauren 
physics
A gas of volume 2m^3 at 27C is heated to 327C at constant pressure. What is its new volume?
asked by SMK 
Literature
3. In "Of Plymouth plantation, at the first Thanksgiving, the Pilgrims are most thankful for a. the treaty they made with the American Indians b. the departure of loathsome sailors c. their store of game and corn d. the arrival of more people from England
asked by mysterychicken 
Could you please check over my english? :)
I'm working on an English assignment and I've answered most of them, but I'm not too sure about these ones.. If you could check over my answers that would be amazing! Thank you so much in advance :) In the following sentences identify the main clause. Find
asked by Amy 
chemistry
If you make a solution by dissolving 25.0g of sodium chloride in 100.0 mL of water. What is the boiling point of the solution?
asked by confused 
Stats
Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes of scheduled arrival time). Assuming that the ontime rate is representive of the entire commercial airline industry, consider a
asked by Sam 
english
Fill the bags with donated gifts for the orphanage. The word BAGS is what kind of compliment? I.e. predicate adjective, direct object, indirect object, predicate nominative
asked by lisa 
Calculus
I'm doing test corrections, and it's been a few weeks since we did this, so I'm a little fuzzy. I'm supposed to find the zeros, relative extrema, and inflection points of f(x) = x^3  6x^2 + 3x + 10. The zeros would be 1, 2, and 5 right? Then I would take
asked by Sarah 
confidentiallity in allied health
when should the computer bureau destroys or erases records,should the erasure be verified by the bureau to the physician?
asked by mona 
chemistry
Jenny please show me in better detail the set up of the answer.
asked by confused 
physics
The fist ball is thrown up ward with avelocity of 20m/s at the same instant. The second ball is dropped at 40m hight from the first ball at what time the two ball collide each other?
asked by Abdu 
algebra
question can u answer 6x + 12 = 30
asked by brenda 
Language Arts
On the sentence, "The choir sat/set their hymnals on the bench." Would the correct verb be set?
asked by Brandi 
physics
A speaker is designed for wide dispersion for a high frequency sound. What should the diameter of the circular opening be for a speaker where the desired diffraction angle is 11° and a 9100 Hz sound is generated? The speed of sound is 343 m/s
asked by Anonymous 
chemistry
balanced reaction for reaction between ferrous sulphate and nittric acid
asked by sanju 
chemistry
What mass of hydrogen peroxide should result when 1.50g of barium peroxide is reacted with 25.0mL of 0.50 M hydrochloric acid?
asked by confused 
geometry
a regular hexagon is composed of 12 congruent 30,60,90 degree triangles. if the length of the hypotenuse of one of those triangles is 18 square root 3 find the perimeter of the hexagon
asked by damon 
math
an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle
asked by anonymous 
math
.) An architect is building a model of a tennis court for a new client. On the model, the court is 6 inches wide and 13 inches long. An official tennis court is 36 feet wide. What is the length of a tennis court? The architect decides to build a larger
asked by kara 
math
for the event of rolling one die, find a.P(rolling atlease a 3) b.P( ROLLING AN ODD NUMBER)
asked by pearl 
Physical Science
A 75 kg astronaut in space pushes against a 200 kg navil. when the astronaut lets go of the anvil pushing it:
asked by brandi 
Economics
what is an economist view on this statement "It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest."
asked by Nick 
math
a ladder leaning against a wall makes a 60 degree angle with the ground. the base of the ladder is 4m from the building. how high above the ground is the top of the ladder?
asked by michael 
plz plz plz help in science
An elastic object strikes to ground and compress when it touches the ground. What is energy transformation? a gravitational to electric b electric to gravitational c A Answer i don't know which one is right for the second one. A study shows treatment
asked by hiba 
calculus
the curve f(x)=x^2 from x=0 to x=4 is revoloved around the axis x=5. Determine the volume of the solis of revolution using the method of curcular cross sections
asked by Anonymous 
algebra
Hi guys: Can any one please tell me what does this means? Thanks  The second matrix is simply the symmetric version of the first. This 1 2 3 4 5 6 7 1 0 2 3 x 2 4 x 2 2 3 11 2 3 5 3 3 9
asked by Kathleen 
physics and guns
A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97g pellet is placed against the compressed and latched spring. The spring latches at a compression of [01] cm, and it takes a force of
asked by Lauren 
statistics
A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread
asked by Malia 
participles
Participles are sometimes confused with verbs because they _____? are the same forms used to make verb tenses appear in the sentence where the predicate usually goes always follow the subject describe nouns?
asked by Sherri 
statistics
If 20% of the people in a community use the emergency room at a hospital in one year, find the probabilities for a sample of 10 people, a.At the most three use the emergency room. b.Exactly three use the emergency room c.At least five use the emergency
asked by Joe 
statistics
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis
asked by Malia 
math
What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?
asked by paige 
MATH
Show that the direct sum of two integral domains (E and H) is never an integral domain.
asked by Mary 
participial phrases
Which sentence contains a participial phrase with an embedded clause? Running, giraffes look like something that was designed in a bad dream. Running when they heard the gunshots, the giraffes fled to safety. Tired and hot, they stopped when they found
asked by Sherri 
English/Commas
I was asked to put all the commas in the correct place for each sentence. I am unsure about some. Are these correct? Thanks 1. As I understand it, John Pearson has lived in Winston Colorado, a small almost unknown tourist resort since August 10, 2002. 2. I
asked by Alyssa 
algebra
a particular hybrid car travels approximately 288mi on 6 gal of gas. find the amount of gas required for a 912mi trip
asked by karon 
physics
2. A freight train traveling with a velocity of 18.0 m/s to the south begins braking as it approaches the train yard. The train’s acceleration while braking is 0.33m/s2. What is the train’s speed after 23 seconds?
asked by Anonymous 
Geometry
Quadrilateral WXZY is a square. If YX = 30 and WT = 2x – 7, then find the value of x. (Points : 2) 4 18.5 11 15 or Quadrilateral JKLM is a rhombus. The diagonals intersect at N. If the measure of angle JKL is 104o, find the measure of angle JKN. (Points
asked by Hope 
Math
You are required to design a QBASIC program that receives a student test score and prints out her grade, the grading criteria is as follows =90 is A.
asked by QBasic 
English
Hello. I'll appreciate some help. Do you think it's possible to use "accent" in the same meaning and context as "stress" or "emphasize", for example: "He accented that the administration would take further measures to stabilize the situation"? Thank you
asked by Ilma 
math
how to find the first three zeros to the right of origin in a sinusoidal function?
asked by justme 
math
consider the function: f(x)=3sin(2(x30))1 determine the first three xintercepts to the right of the origin, rounded to the nearest tenth of a degree.
asked by justme 
Stats
A new extendedlife light bulb has an average service life of 750 hours, with a standard deviation of 50 hours. If the service life of these light bulbs approximates a normal distribution, about what percent of the distribution will be between 600 and 900
asked by Stephanie F 
Biology
What is the difference between thromboplasin and factor Xa? I have in my notes that they both convert prothrombin to thrombin.
asked by Matt 
basics and tools of floral design
The fabric label doesn’t say if the linen was preshrunk. You test the fabric for shrinkage and determine it needs to be shrunk. How do you do this? A. Wash the material in cold water and dry on high in dryer. B. Immerse the material in hot water and drip
asked by brittney 
Social studies
How can I study my Western states for a test
asked by Malique Simpson 
floral design
please help with penn foster exam 03034200
asked by same 
pre calculus
Find the domain of the function h(x) = (x/ x1) I need to know how to solve this, not just the answer! Help!
asked by amy 
physics
the great graygreen, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m high. if the river is flowing horizontally at 3.60 m/s just before going over the falls, what is the speed of the water when it
asked by taylor 
physics
the great graygreen, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m high. if the river is flowing horizontally at 3.60 m/s just before going over the falls, what is the speed of the water when it
asked by taylor 
Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal.
asked by Chelsea 
geometry
Below is a scale of my garden. It is drawn at 3in: 8ft scale. To the nearest whole squre foot what is the area of my garden? **picture of octagon with one side 8in**
asked by Nicole 
Algebra
Scientists want to set up and test animals in the area for West Nile. The costs to test are $2,200 for setup plus $1.50 to administer each test. Write an expression that gives the total cost to test x animals. Hint: An expression is a combination of known
asked by Joisey girl 
algebra
there are approximately 4lb of muscle for every 5lbs of body weight of a certain animal for a 115lb animal how much of the weight is muscle
asked by karon 
algebra
how high is a tree that casts a 30ft shodow at the same time a 12ft pole casts a shodow which is 6ft long
asked by karon 
science
1. What was wrong or why do you think people rejected Wegner's idea of continental drift? 2. Explain why some partly molten lava rises toward Earth's surface.
asked by Brianna 
English
Is it "'unacknowledged" or "unacknowledged" or neither of these and there is no such word? (I'm trying to write an essay.) Thanks!
asked by Alyssa 
math
3(d+2)d=16
asked by felix 
math
30=3c+2(3c3
asked by felix 
physics
an astronaut on the planet zircon tosses a rock horizonally with a speed of 6.95 m/s. the rock falls through a vertical distance of 1.40 m and lands a horizontal distance of 8.75 m from the astronuat. what is the acceleration of gravity on zircon?
asked by taylor 
small business
Can you please give me examination number o7003200 answers?
asked by frantz 
college english
what does denotation mean when referring to writing?
asked by penny lane 
algebra
The period t ( in seconds) of a simple pendulum as a function of its length l(in feet) is given by t(l) = xpie sqrt 1/32.2 a. Express the length l as a function of the period t b. How long is a pendulum whose period is 3 seconds. Is the answer 2 sec for a
asked by anon 
people
Justin's new telephone number is 6637589. He frequently tells people that it is 6337589. He is puzzle as to why he keeps doing that until he realizes that the first three digits of his socils security number are 633. Justin realizes that his problem is
asked by Amy 
physics
playing shortshop, you pick up a ground ball and throw it to second base. the ball is thrown horizontally with a speed of 22 m/s ditectly toward point a. when the ball reaches the second baseman 0.45 s later, it is caught at ponit b. (a) how far were you
asked by taylor 
college english
what would an exemplification essay be about?
asked by penny lane 
Math  Exponentials
How do I approach the following problem. Please don't give answer but just guidance as to how to approach these in general. I need to be able to solve without a calculator. 3^(2x+1)16(3^x)+5=0
asked by Semja 
Algebra
Can anyone solve this PPPPPlease 5/x3 + 2/x+3= 7x/x^29
asked by Chelsea 
social studies
"mission civilisatrice" is best described as A) a movement in which the french tried to implant french culture into first nations peoples B) a french residential school designed to civilize the iroquois C) the french version of social darwinism D a
asked by carlie 
Algebra
Speed of passenger train is 6mph faster than the freight train. The passenger train travels 260 miles at the same time the freight train travels 230 mph. WHAT would be the speed of both the passenger and freight trains?????
asked by Chelsea 
physics
a mountain climber jumps a 3.0 m wide crevasse by leaping horizontally with a speed of 8.0 m/s. (a) if the climber's direction of motion on landing is 45 degrees, what is the height the difference between the two sides of the crevasse? (b) where does the
asked by taylor 
History
Compare and contrast the war efforts of the united states to remain neutral in World War 1 and World War 2.
asked by bonita 
algebra
find the variation constant and an equation of variation where y varies directly as x and y=35 when x=5 the variation constant is k=
asked by karon 
PLEASE HELP ME!!!
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis
asked by jennifer 
math
7k8k=1 how would you do this?
asked by cassandra 
marine systems
What 3 physical factors determine the distribution of life in the ocean?
asked by duckie 
English
Could you please check these sentences? Thank you. 1) Prospero lost his dukedom because of a plot set up by his wicked brother Antonio together with the king of Naples. 2) Prospero is not native to the island. 3) Thanks to his magic art Prospero subdued
asked by Henry2 
Science
How do fluids move towards rocks??? plz answer me :D
asked by Andrew 
physics
a truck is moving 15m/s North. after 7.9 has elapsed it is moving 55m/s North. determine the truck's acceleration and determine its displacement during the elapsed time.
asked by Anonymous 
plz plz plz help me with this problem!
A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread
asked by malia 
physics
The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly boxshaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density
asked by Millie 
Physics
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.4 m/s2; after 3.7 s he enters the main speedway. At the same instant, another car on the speedway and
asked by K 
Science
Hi, Could someone help me with this science homework? Symbiotic Relationships in the Baltimore Checkerspot Butterfly's Habitat Under this it has 2 titles: 1. Organisms _______________ _______________ _______________ _______________ 2. Type of symbiosis
asked by ST ASAP please 
Physics
In getting ready to slamdunk the ball, a basketball player starts from rest and sprints to a speed of 11.1 m/s in 2.30 s. Assuming that the player accelerates uniformly, determine the distance he runs.
asked by K 
Physics
A jetliner, traveling northward, is landing with a speed of 66.5 m/s. Once the jet touches down, it has 766 m of runway in which to reduce its speed to 13.1 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take
asked by K 
Physics
Before starting this problem, review MultipleConcept Example 6. The left ventricle of the heart accelerates blood from rest to a velocity of +20.6 cm/s. (a) If the displacement of the blood during the acceleration is +2.87 cm, determine its acceleration
asked by S 
Physics
In preparation for this problem, review Conceptual Example 7. From the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 6.46 m/s. (a) What is the acceleration
asked by T 
Physics
A diver springs upward with an initial speed of 2.23 m/s from a 3.0m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = 3.0 m (measured from the board), assuming that the
asked by T 
Physics
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.4 m/s2; after 3.7 s he enters the main speedway. At the same instant, another car on the speedway and
asked by K 
geometry
A farmer has 30yd of fencing and wants to enclose an area beside his barn. What are the dimensions of the region of maximal area, and what is that maximal area if the region is an is isosceles triangle with its base along side of the barn. Given > legs of
asked by david 
physics
Over a time interval of 2.37 years, the velocity of a planet orbiting a distant star reverses direction, changing from +23.4 km/s to 15.7 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) during
asked by a 
physics
In an historical movie, two knights on horseback start from rest 90.6 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.340 m/s2, while Sir Alfred's has a magnitude of 0.346 m/s2. Relative to Sir
asked by aj 
physics
A drag racer, starting from rest, speeds up for 384 m with an acceleration of +19.3 m/s2. A parachute then opens, slowing the car down with an acceleration of 6.33 m/s2. How fast is the racer moving 302 m after the parachute opens?
asked by chris 
physics
The velocity of a diver just before hitting the water is 11.1 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 1.18 s of the dive?
asked by chris 
english
what is the complete subject and complete predicate in this sentenance A program arranges pictures on a page, and it lays out type as well.
asked by ted 
physics
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.86 m. The stones are thrown with the same speed of 9.78 m/s. Find the location (above
asked by chris 
math
there are 33 students in Miss benton's class. There are 5 more girls than boys. How many girls are in Miss Bentons class
asked by kiana 
mathprobability
betsy goes running 2 days out of 7 and james goes running 5 days out of 7. What is the probability that one of them is running on any given day.
asked by David 
Developmental Psychology
According to continuity theory, the Big Five personality traits
asked by Anonymous 
pigskin
I need help with week 14 please!!
asked by Anonymous 
History
Why Do You Think It Was Hard For Spain To Maintain It's Empire ?
asked by Amber 
physics
two canoeists start paddling at the same time and head toward a small island in a lake. caneist 1 paddles with a speed of 1.35 m/s at an angle of 45 degrees north of east. canoeist 2 starts on the opposite shore of the lake,a distance of 1.5 km due east of
asked by taylor 
social studies
"mission civilisatrice" is best described as A) a movement in which the french tried to implant french culture into first nations peoples B) a french residential school designed to civilize the iroquois C) the french version of social darwinism D a
asked by carlie 
world history
What were the goals and results when rejected Darius' peace settlement of all land west of Euphrates river
asked by Alanna 
Can anyone do statistics?
I am trying to get help with my statistic hw. There are ANOVA test and hypothesis testing. If someone is able to help me please let me know! So far noone has been brave enough!
asked by Malia 
Extra Credit Projects
I'm doing some extra credit projects for all of my classes (maybe gym idk). Is there any extra credit ideas I can do for the following classes: English, Math (something small), Fine Art, Social Studies, and Gym. Science I got it covered (doing 2 huge extra
asked by Lauren 
trig
By expressing 3x as (2x + x) prove that cos3x = 4cos^3x  3cosx
asked by Rin 
healthcare quality management and outcomes
why is risk management important in organizations? what benedits are gained by implementing a riskmanagement program
asked by pj 
trig
By expressing 3x as (2x + x) prove that cos3x = 4cos^3x  3cosx
asked by Rin 
chemistry
If you filled three balloons with eaqual volumes of hydrogen, argon, and carbon dioxide gas all at the same temperature and pressure, which ballon would weigh the most? The least?
asked by confused 
English
what is the complete subject and complete predicate on the following sentances 1. Angela's favorite program changes the colors and sixes of images. 2. Graphic artists can choose a percentage of red, blue or yellow. 3. They can also focus a photograph, or
asked by ted 
algebra
how high is a tree that casts a 30ft shodow at the same time a 12ft pole casts a shodow which is 6ft long
asked by karon 
Math Anova
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis
asked by Jennifer 
algebra
the number of kilograms of water in a human body varies directly as the mass of the body an 87kg person contains 58kg of water how many kilograms of water are in a 72kg person
asked by karon 
Calculus
The marginal cost of a certain commodity is C'(x)= 3x^2 36x + 120 If it costs 5 dollars to produce 1 unit, then find the total cost of producing x units is... Please how do I find the total cost?
asked by Anonymous 
math
Divanna scored 67% on her last test, If she had paid closer attention to signs, she would have had 2 more problems right and would have scored 80%. Write the expression for how many problems in all she would have answered correctly.
asked by limdeb 
Trig
Which trigonometric function can equal or be greater than 1.000? A Sine B Cosine C Tangent D none of the above
asked by Carl 
algebra
the stopping distance d of a car after the brakes are applied varies directly as the square of the speed r if a car travelling 80mph can stop in 360ft, how many feet will it take the same car to stop when it is travelling 70mph
asked by karon 
chemistry
list the numbers and types of atoms represented by these chemical formulas. a.Fe2O3 b.KMnO4 c.CH3 d.NH4NO3
asked by arwin 
physics
The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly boxshaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density
asked by Millie 
Trig
How do you find cosine, tangent, and cotangent periods?
asked by Dane 
Trig
In ABC, vertex C is a right angle. Which trigonometric ratio has the same trigonometric value as Sin A? A Sin B B Cosine A C Cosine B D Tan A
asked by Carl 
math
What is the length ofthis piece of string measure to the mearest 1/4 inch? A. 1 3/4 B. 2 1/4 C. 2 3/4 D. 3 1/4
asked by stephanie 
math
Jackie is making window curtains for her window.Each curtain will be 108 inches long.Fabric is sold in yards.What is the length of each curtain in ysrds? A. 3 yards B. 9 yards C. 27 yards D. 36 yards
asked by stephanie 
math
I need help please help me. There's a chart that has to have 16boxes. It has to be 4 by 4. Lable boxes that are vertical top to bottom 1,2,3,4 and boxes that are horizontal left to right A,B,C,D. Box 1A has to be 28,Box 1C has to be 34, box 2C has to be
asked by hena(online) 
Math
Do you have any ny state number and operation booklets for 7th graders.
asked by Lauren 
Marh
Add or subtract to solve . Teri has 42 cent. Her mom give her 19 cent .now teri has
asked by mary 
socials
[4:06:00 PM] shreya2010: question: Helping my brother Mohammad. What was foreign policy of canada in 1950's and 1970's.We are not sure what policy was. 1950's canada policy was to stay with u.s no matter what lend hand whenever they ask. and in 1970, it be
asked by Shreya 
writing or literature
My teacher writes this prob. on the board but i don't get it!!_selfsatisfaction _don't leave her at the alter _sea water _the very edge brick What is that!!!!!!!!!!!!!!!!!!!!!!!! Please please please help me!!!!!!!!!!
asked by hena(online) 
Science
What is the Range of Temperature of LukeWarm Water in Farenheit. Like 72 degrees to 89 degrees. Somewhat like that. please Help.
asked by Angel 
Scientific Method sort of relating to science
What are Two Factors that can affect how fast water evaporates?
asked by Samanth 
Science
What are some observations about water? Such as the Different Perceptions from what you see. Included all your senses. I am Very Confused on how to write an observation for water? Please and thankyou i believe its cold water.
asked by Anonymous 
Trig
The set of solution(s) of 2 cos^2 (θ)  13 cos(θ) + 6 = 0 that is(are) in the interval (0,π/2) is one of following a. {π/6} b. {π/3} c. {π/4} d. {π/3, π/6} e. {π/6, π/4}
asked by Lenny 
Physics
What is the vector sum of a 65 N force acting due east and a 32 N force acting due west?
asked by Anonymous 
science
what are some good high school science fair project ideas that i can do in one month?
asked by anonymous 
english
How do I cite APA Reference for an online site with no author that reads acknowledege Newpaper articles: The Statesman,The Telegraph Timir Ganguly's web site: Need ASAP Thanks
asked by Lorraine 
statistics
We want to determine the correlation between the height (in inches) and scoring average (points per game) of women on a college basketball team. To do this, we record the height and scoring average of two players on the team. The values are
asked by Anonymous 
physicsss ;o
a 12 V car battery is found to be capable of storing 2.0 kW*h of eletrical energy. for a certain eletric car, it is necessary to develop 10 kW of power to drive at 20 km/h. a)suppose that the car has 10 such batteries. how long(hours)could it run if all 10
asked by monee' 
Math Really need help!
A consumer at a bread factory would like to know if there are differences (gender) in bread preferences. Forty adults were randomly selected and asked the following questions: Which type of bread do you prefer? They were instructed to only pick one bread
asked by Malia 
socials
Canada not with Vietnam war that happen after 1950's and that when Canada start getting independent on own. Defense line happen early years and that when Canada was with U.S. But what were the foreign policies?
asked by Shreya 
Physics
What is the vector sum of a 65 N force acting due east and a 32 N force acting due west?
asked by Anonymous 
trig
A tree casts a shadow 203 feet long. Find the number of feet in the height of the tree knowing that the angle of elevation of the sun is 16 degrees. Give your answer to the nearest integer. a. 57 b. 56 c. 61 d. 58 e. 55
asked by James B 
socials
UN which was United Nations was to keep peace, but how it not work? It not tell us that.
asked by Shreya 
Physics
A crate of mass 0.812 kg is placed on a rough incline of angle 35.3 degrees. Near the base of the incline is a spring of spring constant 1140 N/m. The mass is pressed against the spring a distance x and released. It moves up the slope 0.154 meters from the
asked by Sarah 
Physics
A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an ideal pulley as shown in the gure. Mass M is started with an initial downward speed of 2.13 m/s. What then is the speed (m/s) of
asked by Sarah 
chemistry
The vapor pressures of several solutions of waterpropanol(Ch3Ch2Ch2OH) were determined at various compositions, with thefollowing data collected at 45C: XH2O Vapor pressure (torr) 0 74.0 .15 77.3 .37 80.2 .54 81.6 .69 80.6 .83 78.2 1.00 71.9 a.) Are
asked by Anonymous 
english
In our courts of law, 12 members of a jury (decides,decide) a defendant's gulilt or innocence.
asked by sam 
Chemistry
A 1.42g sample of a pure compound, with formula M2SO4, was dissolved in water and treated with an excess of aqueous calcium chloride, resulting in the precipitation of all the sulphate ions as calcium sulphate. The precipitate was collected, dried, and
asked by Olivia 
Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. what value of x would make the equation undefined? Hint:
asked by Chelsea 
Math
Problem solving Marie takes 22cent from her coin bank.Now she has 49cent left .how much did she start with?
asked by mary 
Algebra
HELP!!!!!!!If 59 people use 15,045 cans in 1 year. How maNY CANS are used in a city with a population of 1,562,000???
asked by becca 
algebra
a sample of 144 firecrackers contained 8 duds how many duds would you expect in a sample of 2016 firecracker.
asked by karon 
Trigonometry
In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .
asked by Anonymous 
algebra
10cm2 of a normal specimen of human blood contains 1.2g og hemoglobin how many grams does 47cm3 of the same blood contain
asked by karon 
math
In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .
asked by Anonymous 
I am really in need of someone help! Please
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis
asked by Jennifer 
calculus
what is the domain of f if f(x)=2cos(4x+pie)1
asked by lala 
English
In a slang expression, what is the use of 'chilling'? 1. play with friends 2. hang out (with friends) 3. cool, excellent Which one is right?
asked by rfvv 
Physics
True or False: If no friction forces are present the work done by a force on an object increases either its kinetic energy or its potential energy.
asked by David 
history civil war
What did Abraham Lincoln mean by saying slaves represented money? He meant that without the slaves the South would have no income. The more slaves they had, the more income. Please check if this is correct. Thanks.
asked by Alyonka 
math
mr.diaz measured the length of the garden.It measured 9 meters long.How many centimeters long was the garden.
asked by kaitlynn 
Study unit main ideas
Which one of the following passages best suggest an indirect cause?
asked by Titisha 
math
Tim works at a hardware store has 8 1/2 pounds of nails to be sorted into bags. How many bags will Tim be able to fill if he puts 1/4 pounds of nails into each bag?
asked by Junius henry 
Math
Melissa Borrows $1000 on May 8 at 18.5% simple interest. She pays $500 on July 17 and $400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule?
asked by Kristen 
math
In the right triangle below, a = 53 cm, b = 45 cm and c = 28 cm. Find sec(θ) .
asked by Anonymous 
math
The trigonometric function sin(8 x) is equal to one of following:
asked by Anonymous 
Chemistry
Element X has three isotopes, ^22X, ^23X, and ^25X. The relative abundances are 60%, 35%, and 5% respectively. What is the average atomic mass foe element X? Show Work Please :)
asked by KahJiah 
Math
Find the amount of the regular payments needed to amortize a $90000 debt at 7% compounded annually with 12 annual payments.
asked by Kristen Morris 
Alg2
Please Help... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.
asked by Rock 
Math
Find the amount of the regular payments needed to amortize a $7400 debt at 8.2% compounded annually with 18 semiannual payments.
asked by Kristen Morris 
Physics
True or False: If a cannon fires a cannonball in an easterly direction, the tendency of the cannon to move to the west is a result of the principle of conservation of energy.
asked by David 
math
What is the length of this piece of string measured to the nearest 1/4 inch.
asked by stephanie 
Math
When Teresa opened her law office, she bought 14000 worth of books and 7200 dollars worth of office furniture. She paid $1200 down and agreed to amortize the balance with semiannual payments for 5 years at 12% compounded semiannually. Find the ammount of
asked by Kristen Morris 
precalc
write 196x^2256y^2+17=12561 in standard form, show work.
asked by 95 
calculus
You are standing at the edge of a slow moving river which is one mile wide and wish to return to your campground on the opposite side of the river. You can swim at 2 mph and walk 3 mph. You must first swim across the river to any point on the opposite
asked by fareha 
COM
What should you consider when searching for useful sources? How do you know when sources are reliable? What are some red flags that indicate you should avoid a particular source?
asked by Cornelia 
math
What is the relationship between centimeters and meters?How do you convert one unit to the other
asked by stephanie 
help
Please help me. no one is helping meand the questions I asked are do tommorow and it's really important for me!!!!!!
asked by hena(online) 
Science
What Temperature would you get after the First 5 Minutes of Putting 4 Ices into a 99 degree warm water? After The Second 5 MInutes? YOu Might need to do this experiment at home. But May anyone Please Help and tell me it in Farenheit so i can confirm my
asked by Science 
Business
I have a question about mediation I hope someone can help me. Describe the best style of mediation and the steps in the mediation process that should be used:
asked by R.T. 
Business
What are the three elements of building a mediation agreement.
asked by R.T. 
math
Estimate each product: 3.87 X 25=
asked by laura 
calculus
Construct a window in the shape of a semicircle over a rectangle.If the distance around the outside of the window is 12 feet.What dimensions will result in the rectangle having the largest possible area? We need to find Amax I know the circmfrence is 12
asked by fareha 
Physics
True or False: If a sphere of mass M and radius R and a cylinder of mass M and radius R start rolling down a ramp from the same location at the same time, they both reach the bottom of the ramp at the same time.
asked by David 
political science
why don't the presidents use the cabinet as a board of directors?
asked by kathy woodward 
physics/math
Ahhh! I've seen some examples of this type of problem but I can't seem to solve it! Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is
asked by Courtney 
algebra
jack usually mows his lawn in 4 hours mariltn can mow the same yard in 7 hours how much time would it take for them to mow the lawn together
asked by karon 
algebra
the office jet printer can copy maria's dissertation in 16 min. the jet printer can copy the same document is 8 min if the two machines work together how long would they take to copy the dissertation
asked by karon 
compaint!!!!!!!!!
no fair no one's helping me. I'm not going to say who i signed in as! This is a complaint.
asked by lu lu 
geometry/calculus
Use Cavalieri's Principle to find the area of the region. In the example we see a "leaning tower" with base 'a' and height 'b'. The left side of the leaning rectangle is given by y = x^2, the right side given by y = (x  a)^2 the answer to this problem is
asked by david 
Finite!!!
John Buys a used car costing $6000. He agrees to make payments at the end of each monthly period for four years. He pays 12% interest compounded monthly. What is the amount of each payment? Find the total amount of interest John pays on the loan.
asked by Kristen Morris:) 
algebra
the speed of a passenger train is 20mph faster than the speed of a freight train. the passenger train travels 300 miles in the same time it takes the freight train to travel 200miles find the speed of each train.
asked by karon 
Gov
Who is sometimes viewed as 2nd powerful federal official after the president?
asked by Julian 
FINITE!!!
Melissa Borrows $1000 on May 8 at 18.5% simple interest. She pays $500 on July 17 and $400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule?
asked by HELP >:( 
College Algebra
Find the vertices and foci of the ellipse with the given equation: 5x^2+7y^2=35
asked by Anonymous 
Science
A student observed the apparent shape of the moon every night for a period of 60 days. On Day 10 the student observed a full moon. On which day did the student most likely observe a full moon? A. Day 20 B. Day 30 C. Day 40 D. Day 50 I think it's C cause it
asked by Jaycee 
social studies
two primary resources we can use to understand the culture of canada's first nations and inuit before the arrival of the first explorers.
asked by carlie 
Geometric Proofs
Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line
asked by Tengo anos Cuarenta y uno 
finite!!!
A manufacturing company wants to maximize profits on products A,B, and C. The profit margin is $3 for A, $6 for B, and $15 C. The production requirements and departmental capacities are as follows: DEPARTMENT Prod. Requirements Dept. Capacity A B C (total
asked by HELP >:((( 
Geometric Proofs
Given: line AB is congruent to line AC, Angle BAD is congruent to angle CAD. Prove: line AD bisects BC Picture: An upside down triangle divided inhalf to form two triangles Angle BAD and angle CAD. They share a common side of AD. and point D bisects line
asked by Tengo anos Cuarenta y uno 
Intermediate algebra
The number of trout in America, since 1970, is given by the following: y = x2 + 3x + 2 Where x is the number of years and y is the number of trout in the millions. What is the number of trout in the years 1975, 1980, and 1985? Describe the trend of the
asked by Jennifer 
6th grade science
which of the following is made of many cells that work together? a. bacteria b. virus c. insect d. amoeba
asked by Kate 
College Algebra
A carpenter is cutting a 3ft by 4ft elliptical sign from a 3ft by 4ft piece of plywood. The ellipse will be drawn using a string attached to the board at the foci of the ellipse. A)How far from the ends of the board should the string be attached? B)How
asked by Anonymous 
math
A rectangular garden has a length of 5 units and a perimeter of 16 units . A. Draw a diagram of the garden . B. Find the width of the garden . C. Find the area of the garden .
asked by Brianna 
algebra
Y+3/2Y5=6/7
asked by mel 
Math
a 10 question multiple choice test has 4 possible answer for each question. A student selects at least 6 correct answers. Find probability of this event: (multiple choice) A) .118 B) .995 C) .068 D) .571
asked by Matt Borchelt 
Math
Find the accumulated value of quarterly deposits of three hundred dollars each immediately after the 32 deposit If the deposits earn 10% quarterly for the first five years and 12% for the last three years.
asked by Matt Borchelt 
Math.
Please help! x+13 > 8 Solve the absolute value inequalities. Please and thanks.
asked by Izzy. 
com156
Quoting, Summarizing, and Paraphrasing a Source Part 1: Summarizing Review the following passage and summarize it in the box as though you were including this information in a research paper. Use the reference to create an appropriate APAformatted,
asked by Anthony 
Physics
The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of about 15 km from the asteroid's center. Eros is roughly boxshaped, with dimensions 40 km 6 km 6 km. Assume Eros has a density
asked by Millie 
algebra
a long distance trucker traveled 64miles in one direction during a snow strom. the return trip in rainy weather was accomplished at double the speed and took 2 hours less time. find the speed going.
asked by karon 
Algebra
Please help! x+13 > 8 Solve the absolute value inequalities. Please, please , PLEASE! and thanks.
asked by Izzy. 
I don't know what to do?
4x+y
asked by Izzy. 
math
Evelyn opened a savings account that pays 7.5% simple interest. She deposited $450.how much interest will evelyn earn after 3 yeas
asked by beto 
Algebra 1 Concepts and Skills
"Write Equation of a line" USE: YY1=M (xy1); replace(x1,y1) and M. How would I take that formula and use it on a problem like,,, y2=5(x+6)??????
asked by Cati 
English
In a slang expression, what is the use of 'chilling'? 1. play with friends 2. hang out (with friends) 3. cool, excellent Which one is right? English  Ms. Sue, Tuesday, December 13, 2011 at 8:38pm 2. is correct.  Thank you. What is
asked by rfvv 
chemistry
compute the mole fraction of the solute and solvent in a 15%aquaeons nitric and (HNO3) solution?
asked by chrisabel 
English
e.g. He has a sweet car. (What is the meaning of 'sweet' in the sentence?)
asked by rfvv 
Math
The base of a rectangle is twice the length of the height. If the height of the rectangle is h inches,what is the length of the base? ______________ inches If the height of the rectangle is 4 inches what is the length of the base? ________ inches PLEASE
asked by Maryam 
math
Describe how you would prepare a dose of Potassium chloride 1200mg from stock supply of 1.5g pottassium chloride in 10mls
asked by lorraine 
chemistry
a gas solution contains 5 moles H2 and 10 moles of oxygen. what is the mole fraction of hydrogen and oxygenin the solution formed?
asked by chrisabel 
physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C)
asked by Geraldo 
Agriculture marketing
How can you use the Futures Market Information for “store or not to store” decision when it comes to grains?
asked by troy 
physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C)
asked by Geraldo 
physics
You throw a 1kg ball out of a window 12 meters above the ground with horizontal speed. It lands on the ground 5 meters from the building after 1 second. Ignore air resistance, A) How fast did you throw the ball? B) What was the ball's initial velocity? C)
asked by Geraldo 
MATH
Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her $2 to buy, $1 to sell, and $2 to deliver. For each unit of B, the costs are $3, $2, and $2, respectively,
asked by pickle123 
Statistics
9. Assume the weight, W, of a randomly selected adult has a normal distribution with a mean of 175 pounds and a standard deviation of 10 pounds.. Find the probability, P(W < 190), that a randomly selected adult weighs less than 190 pounds.
asked by Josh 
Calculus
In a healthy person of height inches, the average pulse rate in beats per minute is modeled by the formula 596/(x^.5) for 30
asked by Anonymous 
trig
Find the exact values of the inverse function arcsin 1/2
asked by Nick 
math 208
the number N of state and federal inmates in millions during year X, where X> 2002, can be aproximated by the formula N= 0.03x  58.62. determine the year in which there were 1.5 million inmates
asked by Anonymous 
math 208
the number N of state and federal inmates in millions during year X, where X> 2002, can be aproximated by the formula N= 0.03x  58.62. determine the year in which there were 1.5 million inmates
asked by Anonymous 
chemistry
A sample of cesium metal reacted completely with water, evolving 47.0 mL of dry H2 at 31°C and 769 mmHg. What is the equation for the reaction?
asked by Jessica 
math 208
what year did were there 1.5 million inmates in the state and federal prisions
asked by Anonymous 
Chem
Can someone explain the difference or how to tell between internal/external standard, standard addition and how it relates calibration standards?
asked by Ano 
Finite!!!
9. Roberta Hernandez sells three items‐A, B, and C in her gift shop. Each unit of A costs her $2 to buy, $1 to sell, and $2 to deliver. For each unit of B, the costs are $3, $2, and $2, respectively,
asked by pickle123 
geometry
An isosceles trapezoid has bases length 19 and 11 centimeters and length 13 centimeters. What is the area of the trapezoid to the nearest tenth?
asked by Ana