Questions Asked on
August 27, 2012

Physics
A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. The hare accelerates uniformly at a rate of 0.8 m/s2 for 4.4 seconds. It then continues at a constant speed for 13.5 seconds, before getting tired and slowing
asked by David 
physics
A red ball is thrown down with an initial speed of 1.0 m/s from a height of 27.0 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 24.5 m/s, from a height of 0.7 meters above the
asked by David 
psychology
Jason and Julia are preparing for a quiz in Psychology 101. Jason recites four reasons for seeking out a social support network. Julia, who has top grades in the class, gives her nod of approval to all but one of Jason's list. Which one is she most likely
asked by rami 
physics
A car starting at x = 49 m accelerates from rest at a constant rate of 8.0 m/s2. (a) How fast is it going after 10 s? (b) How far has it gone (from x = 0) after 10 s? (c) What is its average velocity for the interval 0 t 10 s? NEED HELP!!!
asked by Lulu 
math
1. Which of the following numbers is an example of an integer? a. 15 b. 3/5 c. ^7 d. 0.252525... 2. Which statement is FALSE? a. Every integer is a real number. b. The number zero is a rational number. c. Every irrational number is a real number. d. Every
asked by Nyla 
Physics
The leader of a bicycle race is traveling with a constant velocity of +11.9 m/s and is 10.7 m ahead of the secondplace cyclist. The secondplace cyclist has a velocity of +9.10 m/s and an acceleration of +1.20 m/s2. How much time elapses before he catches
asked by Tony 
Healthcare Finance
George and Margaret Wealthy are in the 48 percent tax bracket, considering both federal and state personal taxes. Norman Briggs, the CEO of Community General Hospital, has been aggressively pursuing the couple to contribute $500,000 to the hospital's
asked by Anonymous 
algeba
a consulting engineer's time is billed at $60 per hour, and her assistant's is builled at $20 per hour. A customer received a bill for $580 for a certain job. If the assistant worked 5 hours less than the engineer, how much time did each bill on the job?
asked by Cristy 
Algebra
John and two friends rent a canoe at a park. Each person must rent a life jacket. If the bill for the rental of the canoe and life jackets is $41, for how many hours did they rent the canoe? tell me the answer and how you got it
asked by Anonymous 
math
You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $9 per guest and averaged 160 guests per night. The next week you charged $11 per guest and averaged 140
asked by Bud 
psychology
Aggressiveness builds up in people because of human nature. It can be safely expressed before it reaches a “boiling point” through the catharsis offered by aggressive sports and games. These kinds of ideas are associated with A. instinct approaches to
asked by rami 
Algebra
A.Driving from El Paso to San Antonia on a bus ...560 miles traveling at avg speed of 60 miles per hr how do I make a graph with the time & distance. B. have to estimate distance bus tvls in 2 hrs...2 3/4 hrs...3.5 hrs...7.25 hrs.. C.need to describe in
asked by Carolyn 
maths
in a boy's school,5/8 of the boys play football and 4/7 play rugby.if every boy play atleast one of the two games,ind the fraction of the boys who play both ?
asked by ali 
Math
An aeroplane needs to fly due east from city A to city B at a speed of 400km/hr. However a 50km/hr wind blows constantly from the north. In what direction must aeroplane head and at what speed must it travel?
asked by Jeconiah 
psychology
Two psychology students are in a heated discussion about the nature of prejudice. Mavis insists that that when people get their identity from membership in a political action group, they will generally express ethnocentrism. Martin argues that with or
asked by rami 
psychology
As discussed in your text, the Implicit Association Test (IAT) A. is based on a culturefree questionnaire. B. has revealed that most people aren’t prejudiced. C. requires subjects to react to a series of black and white faces. D. requires people to
asked by rami 
physics with 6 questions
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 3.3 m/s2 for 3.9 seconds. It then continues at a constant speed for 13.7 seconds, before applying the
asked by David 
Science
A 50N object falling in air experiences 30N of air resistance. The amount of net force on the falling object is A 0n B 20n C 50n D 80n
asked by Sue 
algebra college
find the remaining zeros of f. degree 4 zeros i, 18+i enter the remaining zeros of f please help me out!
asked by ash 
Science
At the end of 2 seconds of free fall an object released from rest will have a speed of A. 5m/s B 10m/s C 15m/s D none of the above
asked by Sue 
math
Solve the equation check for extraneous solutions 6/64x/=8x+4 I used/ / for the brackets posssible answers x=1 x=5/2 or x=2 x=5/2 x=5/2 or x=1 Not looking for just the answer, would like to know how to get it.
asked by brandon 
Physics
A speed skater moving across frictionless ice at 8.0 m/!@#$%^&s a 5.7mwide patch of rough ice. She slows steadily, then continues on at 6.5m/s. What is her acceleration on the rough ice?
asked by Carmen 
Physics
A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by Alex 
English
Look at the things in the picture. What can you see there? Answer the questions looking at the picture. What are you going to do? I'm going to go for a hike. I am going to write three postcards and send them to my friends. I am going to listen to music
asked by rfvv 
math
After you have worked out at the gym on a stationary bike for 49.0 minutes, the distance gauge indicates that you have traveled 15.7 miles. What was your rate in km/hr?
asked by em 
Science
Can someone tell me how to figure this out. Fido weighs 120N & carries Trixie who weighs 40N on her back. The support force on fidos feet is. 160n  40n  120n more than 160n
asked by Sue 
Physics
Man jogs 1.5 m/s. Dog waits 1.8 s then runs at 3.7 m/s. How far will they have each travelled when dog catches up to man? Answer in units of m
asked by Sam 
MATH
1. A boat traveled 210 miles downstream and back. The trip downstream took 10 hours, the trip back took 70 hours. What is the speed of the boat in still water? What is the speed of the current? 2. Flying to Kampala with a tailwind a plan averaged 158km/h.
asked by Kian 
Math
What is the solution to the system of equations shown below? 2xy+3z=8 x6yz=0 6x+3y9z=24
asked by Rachelanne 
Economics
Brian is taking three courses this semester: economics, statistics, and finance. He has decided to spend 19 hours per week studying (in addition to attending all his classes) and his objective is to maximize his average grade, which means maximizing the
asked by Rey 
Physics
ohh sorry, in my first question... A 15 kg box sits on a horizontal FORCE. the coefficient of static fricition between the box and the surface is 0.70. if a force P is exerted on the box at an angle directed 37 degrees below the horizontal, what must be
asked by Daniella 
Psychology
Two psychology students are in a heated discussion about the nature of prejudice. Mavis insists that that when people get their identity from membership in a political action group, they will generally express ethnocentrism. Martin argues that with or
asked by rami 
Math
What is the most probable next number in this list? 12, 1, 1, 1, 2, 1, 3
asked by Anonymous 
English
1. Tadpole noodles are made from corn. 2. Tadpole noodles are made of corn. (Which one is right?) 3. She is going to go for a hike. 4. She is going to go hiking. 5. She is going to go on a hike. 6. She is going to go out for a hike. (Are the four sentences
asked by rfvv 
Chemistry
Write the net ionic equation for the reaction between sodium chloride and cobalt (ll) nitrate. so far i have... 2NaCl(aq)+ Co(NO3)2(aq)> NaNO3(aq)+CoCl2(s)
asked by Alexis 
algebra
Write a rule in words and as an algebraic expression to model the relationship in each table. The local video store charges a monthly membership fee of $5 and $2.25 per video. 1 video is $7.25 2 videos are $9.50 3 videos are $11.75
asked by melissa 
math
Damon has 4 times as many stamps as Julia. Julia has 4 times as many as Claire. Claire has 4 stamps. Write the number of stamps Damon has in both exponetial and standard form. :)
asked by josiah 
Algebra
The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. Total ticket sales were $1050. How many tickets of each type were sold?
asked by Anonymous 
math
Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $120 for 3 days and 300 miles, while Mary was charged $210 for 5 days and 600 miles. What does Best Rental charge per day and per mile?
asked by maria 
Observing development of the young child
A collection of a child,s classroom work that's assembled by teachers, parents, and the child him self is a called a A, learning life B, collaborative portfolio C, development checklist D, gallery collection
asked by Olivia 
math
Radius of a circle with a sector area of 3 square ft determined by a central angle 1/4 radian
asked by tim 
physicsplease help
A child of height 1.2 metres stands 3 metres from the foot of a lamp post of height 2.8 metres, at the top of which there is a small source which can be considered as a point. What is the length of the shadow cast by the child upon the ground?
asked by SABRINA 
algebra
identify whether the number is rational or irrational. then explain why it is rational or irrational. 8/17 and 21.192
asked by Alexius 
social studies
Name two states that extend further south than louisiana?
asked by Anonymous 
math
mr harris bought 4 for $0.50, mrs clarke bought 21 for $1.00, mr montaro bought 1134 for $2.00 and ms park bought 450 for $1.50. what were they buying?
asked by Anonymous 
Science
check answer please. An object is pulled with 3 forces: 1 at 20n to the right another at 40n to the right and the third at 30n to the left. The net force is 30n to right
asked by Sue 
psychology
In respect to the foundations of prejudice, social identity theory is associated with the concept of A. modern racism. C. ethnocentrism. B. selffulfilling prophecy. D. stereotypical discrimination.
asked by rami 
Physics
A car traveling 80km/h is 120m behind a truck traveling 66km/h. How long will it take the car to reach the truck?
asked by Karen 
Math
Pearson homework does anybody have an acount I Ned your help
asked by Brook 
Math
How many lines of symmetry does an oval have?
asked by Kelley 
math
name the property shown by each statement (3+y)+0=3+y
asked by starr 
math
in roman numerals, letters represent numbers. for example, I=1,V=5,X=10,L=50,C=100. letters in roman numerals are written next to each other; this is how the value of the number is shown. to read the numbers below, add the values of all of the letters.
asked by shion 
chemistry
a copper sample has a mass of 44.65 g and a volume of 5.0cm^3. what is the density of copper, expressed as gram per cubic centimeter? can you please write the formula then show the working? thank you really appreciate it
asked by help3 
Math
The displacement of a particle is given by: x=t^37/2t^2+2t1. Find the particles initial displacement. And find when the particle is at rest.
asked by Jeconiah 
8th grade math
You and your friend collect football cards.You tell your friend,"I have three times the number of football cards as you have." Your friend replies " You only have 80 more football cards than i have." How many football card do each of you have?
asked by anymous 
math
a circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. Ascreen is placed 30 cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen. Ok, I have drawn a sketch and
asked by SABRINA 
social studies
what information should be on a time line
asked by josiah 
finance math
A car dealer purchased 2 cars, one for $1500 and the other for $20000, He then sold the first car at a loss of 14% and the second car for a profit of 15%. Find the dealer¡¯s profit for the whole transaction and express the answer as a percentage of his
asked by timmy 
Algebra 2
Find the slope of the the line passing through the given points. Then tell weather the line rises,falls,is horizontal,or is vertical.
asked by Mimy 
math
i need help figuring out tis prealgebra problem?? In 4 7 8 13 15 27 Out 16 28 32 52 60 108 107 2/3
asked by fatina 
algebra expressions
i need to write an algebraic expression for each word phrase. Can you check if I am correct: 2) 13 less than a number q i got : 13  q 4) the quotient of a number n and 4 i got: n/4 6) the number of days in w weeks n * w 8) the cost of p photocopies if
asked by marko 
arithmetic
a student says that 30 more seventh graders bought canned drinks than eighth graders.Describe and correct the error made in drawing this conclusion from the graph?
asked by bettie 
Observing development of the young child
Which one of the following is not one of the three main functions of language in dramatic play described by smilanksy? A, creating dialogue for teachers B, directing the action C, imagining a make believe situation D, imitating adult speech
asked by Olivia 
chemistry
molecules of two different compounds contain the same number of atoms of each element but have different arrangement of atoms. which term correctly describes these two substances? a) isomers b) isotopes c) polymers d) none of the above
asked by help 
maths/physics
PLEASE HELP! A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?
asked by SABRINA 
OPTICS
PLEASE HELP! A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?
asked by SABRINA 
science
I need a sentence using the word cytoplasm and I'm in 5th grade.
asked by Jake 
physics
A helicopter is ascending vertically with a speed of 4.50 m/s. At a height of 195 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the
asked by Chasity 
chemistry
if change in E= 1500J what does that mean? the system gained heat the surroundings lost heat the system did work the surroundings did work more information is needed please help.
asked by Jessie 
equations and inequalitys
You are saving moneyto buy a $200 video game system.You earn $20 a week for doing chores around the house.You get $35 from a reliative on your birthday.How many whole weeks will it take for you to have enough money to buy the system? You are charged 7%
asked by anymous 
math
Need help..... A child of height 1.2 metres stands 3 metres from the foot of a lamp post of height 2.8 metres, at the top of which there is a small source which can be considered as a point. What is the length of the shadow cast by the child upon the
asked by SABRINA 
Observing development of the young child
A preschool in your class draws a square that's divided by lines. This shaped as knows as a A, mandala B, sun c, pictorial D, face
asked by Olivia 
Math
Find the pattern and fill in the blank. 94 26 ___ 14 10
asked by Tom 
Algebra 1
In 5 years time I will be 3 times as old as my son. In 14 years time, the sum of our ages will be 62. Today the sum of our ages is
asked by Anonymous 
Observing development of the young child
A type of communication that isn't only about the present and that promotes higher level thinking such as planning and reminiscing is called A,early production B, chanting C, childchild conversation D, decontextualized talk
asked by Olivia 
PrecalcFactoring
I am so confused. How do I factor: 35x^2  46x + 15
asked by Daquasianisha 
Algebra
the phone company has two plans for cell phones. the first plan calls for a monthly fee of 35.00 with unlimited calling. The other plan is a monthly fee of 15.00, with a 0.50 fee for every minute over 100 used in a month. What is the greatest number of
asked by Liv 
math
A ball bounces back .06 of its height on every bounce. If a ballistic dropped from 200feet, how high does it bounce on the fifth bounce? Round to nearest tenth.
asked by m 
english
For questions 1315, select the answer that correctly identifies the part of speech of the all caps word. 1. Katrina wanted to vist her grandmother AND grandfather over the weekend. a. conjuntion b. noun 2. "OH" her mother said, "why don't we go Saturday.
asked by Anonymous 
math
order the numbers from least to greatest 367;597;279
asked by shion 
math
The sum of 2 angles is 90. The measure of one angle is 1 1/2 times the measure of each angle
asked by lisa 
Linear Algebra
Ok this is the last one I promise! It's from a sample exam and I'm practicing for my finals :) Verify if the following 4 points are consecutive vertices of a parallelogram: A(1,1,1); B(3,0,2);C(2,3,4);D(0,2,3) (b) Find an orthogonal vector to the plane
asked by Robert 
college algebra
form a polynomial f(x) with real coefficients having the given degree and zeros degree 4 zeros 5+3i;3 multiplicity 2 enter the polynomial f(x)=a?()
asked by ash 
Physics
A hill that has a 31.4 % grade is one that rises 31.4 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
asked by Alex 
triginometry
tan^xsecx=1
asked by arshan 
math
140=1/2[(360x)x]
asked by Anonymous 
chemistry
the elements of group VII A form ions with a charge of: A) +1 b) 1 c) 2 d) +2 can u please explain too? thankyou
asked by help 
MATH
Suppose you wanted to place 1,000,000 pennies in large coin banks. If you put 50,000 pennies in each bank, in which bank would you find the 678,230th penny?
asked by FELECIA 
trigonometry
Verify that following are identities: 1. cos 3t = 4 cos³ t3 cos t 2. sin 4x = 8 sin x cos³ x4 x cos x (use a doubleangle identity)
asked by PDF 
Observing development of the young child
The type of pretend play in which Preschool children role play with others is called? Dramatic play B, onlooker play C, solitary play D, access ritual play
asked by Olivia 
univen
why teachers should study sociology of education
asked by xicavo 
Physics
A 15 kg box sits on a horizontal force. the coefficient of static fricition between the box and the surface is 0.70. if a force P is exerted on the box at an angle directed 37 degrees below the horizontal, what must be the magnitude of P to get the box
asked by Daniella 
Maths A
Write down the period of the function y=cos x
asked by Jeconiah 
Algebra 2
5/8 +3/4x = 1/16 this is what I have 3/4x = 9/16 1 = 3/4
asked by Marie 
Math
Knowing u = (4,0,3), v = (x,3,2) and that the orthogonal projection of v on u is a vector of norm 6, determine x. Thank you
asked by Robert 
following previous question
would what the nature of the shadow on the floor be if the point of source of light is replaced by a luminous disc of diameter 5 cm, whose centre lies directly above the centre of the card?
asked by SABRINA 
Algebra 1
4x+(9+3x)=5
asked by Ana 
math
find the value of a and b , so that 10x to the power 4 + 17x to the power 3  62x to the power 2 + 24x bx 5 +a,is divisible by 2x to the power 2 + 7x  1 ?
asked by TUHITUHI 
ODE
what is the laplace transform of cost+4sint
asked by mo 
reading/ writing
Where will you find the thesis sentence in an introductory paragraph?
asked by lilly 
MATH
Suppose a bead maker wants to separate 10,000,000 beads into boxes.She will put 100,000 beads into each boc.Into which box would she put the 4,358,216th bead
asked by Anonymous 
chemistry
Calculating final concentrations. Your instructor asks you to add the specified quantities of 2M Tris pH 8.0 buffer to 140 ml of distilled water. Calculate the final concentration and dilution factor of each solution. a)10ml b)20ml c)140ml
asked by anonymous 
Science
When you stand at rest on a floor the number of vertical force acting on you is A 0 B 1 C 2 D 3 E 4
asked by Sue 
chemistry
200X buffer is given in class.How much of stock sol and how much distilled water is used to make? a)50 ml of a 1X buffer solution? b)100 ml of a 20X buffer solution? c)10 ml of a 400X solution
asked by anonymous 
algebra
Reduce answers to lowest terms. 1.) 2x/2x^2+5x3 + 5/x^29 = 2.) x3/12x^318x^2  x+1/16x^224x = 3.) 2x/x^22x15  x2/3x^2+9x =
asked by Sella 
pre algebra
what is the value of the expression? 156/3.2+71
asked by Taylor 
geometry
I was assiged a 51 question assigment today and its due tomorrow.I'm having a hard time with the following question: "If angle BFA=3r+12 and angle DFE=8r+210,find angle AFE". PLEASE HELP!!!!
asked by Rick 
math
ann wrote a three digit number. the digit inthe hendreds place is 4 less than the digit in the ones place. the digit in the tens place is two more than the digit in the ones place.the sum of the three digits is 16. what is the three digit number?
asked by Maria 
math
solve the inequality 8/x+3/4/
asked by brandon 
math
what two number are exactly 9 unit segment from 2 on a number line.
asked by jas 
algebra
one angle of a parrallelogram is 23 degrees less than six times the measure of the angle next to it.the sum of the measures of the angles is 180 degrees. find the measure of the adjacent angles of the parrallelogram.
asked by angie 
maths
please help A circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A screen is placed 30 cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen
asked by SABRINA 
computer
how to format my xp computer
asked by mihir 
Reading
May you please help me understand these questions? Thanks! 1. What does Spaz's story reveal about Spaz's origins? 2. With what is Spaz afflicted? In why way is it a blessing?
asked by Sara 
Math
What is the cost of a square farm that measures a quarter of a mile by a quarter of a mile at $1000 per acre?
asked by Anonymous 
Physics
A car starts from rest and travels for 7.0 s with a uniform acceleration of +2.1 m/s2. The driver then applies the brakes, causing a uniform acceleration of 2.0 m/s2. If the brakes are applied for 1.0 s, determine each of the following. 12.6 m/s at
asked by Angelica 
Search
You are a member of the 244th MP Bn. You and two other Soldiers are manning the Observation Post (OP). Three Iraqis civilians approach your post. You render the proper challenge and password and they don’t heed your warning. They become very violent and
asked by Anonymous 
maths
Can someone help please? A circular opaque disk, 25 cm in diameter, is set up 30 cm from a circular source of light of diameter 40 cm. A screen is placed 30 cm beyond the opaque disk. Describe, giving dimensions, the nature of the shadow on the screen
asked by Sabrina 
International Business
What were some of the causes of the financial crisis and how do you think they could be prevented? Do you think steps are being taken? Why or why not?
asked by Wade 
psychology
particular factors encourage people to be drawn into liking one another. in this context the reciprocity of liking effect is primarily associted with? a.) exposure b.)propinquilty c.) similarity d.) physical attractiveness
asked by rami 
english
i think (there, their, they're) son is the quarterback of the team
asked by Anonymous 
MATH
Where do I place the parentheses to make 1630/10+5=14 true
asked by KAIDIN 
math
shoshana is going to use 12 baseten blocks to model the largest possible number less than 999. then she will use another 12 blocks to model the smallest possible number less than 999. what are the numbers?
asked by Anonymous 
Physics
A car traveling 80 is 120 behind a truck traveling 66 . How long will it take the car to reach the truck?
asked by Karen 
science
Suppose your room had been 20 meters wide. Express this width in μm
asked by jen 
English
1. When does the market open? It opens every five days. 2. How often does the market open? It opens every five days. 3. How many times does the market open? It opens every five days. (Which question is correct? Are all acceptable?)
asked by rfvv 
physics
if an object weighs 6 kgs on earth, what will it's weight be on mars
asked by vvv 
Research
300word summary of your business research process by describing the business research proposal from your experience in the workplace or in an article you find through the University Library
asked by Ruby 
math
Give two equivalent fractions for the smallest amount of problems you need to complete correctly on a homework assignment to get 85%
asked by eli 
phillosophy
How would you explain how theology and philosophy are different. i have to writ 700 words on this but all i have is what they mean pleas help im stuck. I also have to use Use arguments from at least one Christian source, one Muslim source, and one Jewish
asked by Donna 
Chemistry
I am trying to figure out how to make 275 gallons of a 5% NaOH solution. I know that 275 gallons weighs 2294.875 lbs. How many lbs. of NaOH woul it take to make the above mentioned solution?
asked by Jay 
Speech
What would you say interpersonal communication means to you?
asked by Christopher 
math
a baseball team has already played 37 games and won 21 games. The season has a total of 63 games. How many more games do they have to win to keepthe same winning percentage? (answer should be a whole number)
asked by dell 
Math
I am stuck on a problem. Can Somebody tell me what the next number is in the pattern 9,11,15,20,25?
asked by Lindsey 
Speech
What are the most important skills to maintaining healthy interpersonal relationship?
asked by Christopher 
calculus 1
If you can program a calculator or computer, estimate the length of the curve f(x) on the given interval using largest n's. f(x)=56cos(x), for x is greater than/equal to 0 and x is smaller than/equal to pi/2.
asked by amanda 
Human Biology
When you eat a salad with lettuce, croutons, hardboiled egg, bacon bits, and salad dressing, which one of those components will pass through your body with the least digestion? Why?
asked by Sharon 
operations mgmt
Consider the sixstep process in the Process 1 tab where the processing time for each step is uniformly distributed, for which processing times can range from 12 to 18 minutes (any value in that range is as likely to occur as any other in that range)
asked by Anonymous 
world history
Describe the sread of sedentary agriculture outside the older civilized areas?
asked by a person 
English
What is the plural of scientist?
asked by Karen 
math
The floor area of a rectangular storm shelter is 65 square meter, and length is 6 1/2 meter. what is th width of the storm shelter
asked by Kyana Wade 
Observing development of the young child
Many play researches beleve that children imaginations are not stimulated by the use of? A, open ended materials , such as empty boxes and plastic bottles.B, dress up clothes and costumes C, flannel board characters. D, many representational toys and
asked by Olivia 
Algebra2
Find the slope of the the line passing through the given points. Then tell weather the line rises,falls,is horizontal,or is vertical. (7,3) (2,3)
asked by Mimy 
math
if the measure of an angle exceeds four times the measure of its complement by 25, what is the measure of the angle?
asked by Lisa 
Observing development of the young child
The three types of pretending in children's dramatic play:pretending with a regard to a role, pretending with regard to an object, and pretending with to regard an action. The three types of pretending were described by researcher A, Jean Piaget B, Rhonda
asked by Olivia 
math
order the numbers form greatest to least 291;911;439;747
asked by shion 
psychology
particular factors encourage people to be drawn into liking one another. in this context the reciprocity of liking effect is primarily associted with? a.) exposure b.)propinquilty c.) similarity d.) physical attractiveness
asked by rami 
Math
WHERE DO I PUT THE PERENTHESIS TO MAKE THIS STATEMENT TRUE: 18+2*1+3 TO THE SECOND POWER
asked by Andrea 
building mechanism
Explain the working principle of a sliding door on a horizontal surface on the floor.
asked by charles 
math
Kevin has a rabbit, a ferret, a gerbil, and a turtle. He feeds them in a different order each day. In how many different orders can kevin feed his pets?
asked by animals 
math
make a tally and a frequency table for the number of books read by students during the summer: 4, 5, 7, 2, 4, 5, 6, 7, 8, 4, 5, 3. how many students took part in this survey?
asked by danny 
Math
401,000,000 in scientific notation
asked by Anonymous 
chemistry
molecules of two different compounds contain the same number of atoms of each element but have different arrangement of atoms. which term correctly describes these two substances? a) isomers b) isotopes c) polymers d) none of the above
asked by help 
General Chemistry
How do you recognize and identify the compounds and elements? How do you determine the uncertainty in measurements? What is differentiating between measured numbers and exact numbers?
asked by Kameesha 
English
What is the difference between 'be made of' and 'be made from'?
asked by rfvv 
math
Use structure What property of addition is shown in the following number sentence. Explain
asked by gavin 
Maths A
When 3square root of 5= square root of a, find the value of a.
asked by Jeconiah 
Maths A
Find the coordinates of the vertex of the parabola:y=x^28x+2
asked by Jeconiah 
Maths A
When 3square root of 5= square root of a, find the value of a.
asked by Jeconiah 
Maths A
A cylindrical can is open at both ends. It is of height 14 cm and radius 4.2 cm. Find the external surface area of the can.
asked by Jeconiah 
Science
How is water related to how a cell functions?
asked by Leighton 
humanities s.s
What are two pitfalls when examining opposing viewpoints
asked by maryam 
Maths A
Sketch the graph of y=x^2x and find the minimum value of y.
asked by Jeconiah 
math
Suppose you are comparing two numbers that are greater than 1,000. You want to find the smaller of the numbers. How many pairs of digits might you have to compare before you have your answer? Explain.
asked by Anonymous 
OPTICS/PHYSICSREALLY DO NOT UNDERSTAND THIS!
A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?
asked by SABRINA 
math
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 4. The material is considered defective if the breaking strength is less than 168 pounds. What is the probability that a single,
asked by dawn