Questions Asked on
March 12, 2014

Science
Which of the following is NOT a way that machines provide a mechanical advantage? a.change direction b.change distance c.change power d.change force
asked by purplebananas 
science(check answers)
5.B 7.C 5. The process of desertification can occur when A. plants usually found in the desert replace trees that have been cut down B. farmers use contour farming techniques C.an area of forest is clearcut D.an area of forest is selectively cut 7. Which
asked by matt 
Finance
Wanstead Engineering Case 9 The annual bonus for senior managers at Wanstead Engineering was first agreed in 1998. Since then the company has seen no need to make any changes to the way in which the bonus is calculated. Both shareholders and managers agree
asked by Ringo 
physics
A spring cannon is fastened to a glider at rest on a horizontal frictionless air track. The combined mass of the cannon and the glider is 0.560kg. The cannon fires a ball with a mass of 50g horizontally at a speed of 14 m/s. How fast does the cannonglider
asked by Anonymous 
Math: Algebra
What is f(2) for the function f(x)=2/3(x)7/8
asked by Sanja 
Chemistry
How would applying an external pressure on the following equilibrium affects the distribution of iodide between the polar (aqueous) and non polar (varsol) phases? I2+I^ > I3^ All are aqueous solutions
asked by Valamir 
Calculusmath
what is an equation of the conic section x^2+y^2=16 after a rotation of 45 degrees about the origin. A. (x')^2+(y')^2=16 B. (x')^2 (y')^2=16 C. (x')^2 2x'y'+(y')^2=16 D. (x')^2+ 2x'y'+(y')^2=16
asked by bob 
Calculus
Show, using limits, that f(x) = x2 – x + 3, is continuous at x = 2.
asked by Anonymous 
Math
20 tens is the same as how many ones?
asked by Lorna 
math
i don't get how my teacher teaches she goes to fast for my to understand it what do i do
asked by julie 
Chemistry
What are the typical ppm values of hard water and an unknown water sample and how do their titrations compare?
asked by Jacob 
probability and statistics
a multiple choice test onsists of 8 questions, each with 4 possible answers but only one of which is correct.what is the probability that an unprepared student will, by chance, get, a. all correct answers, b. exactly 5 correct answers, c. at most 4 correct
asked by marie 
Calculus
Following 2 questions are from a book at a point where L’Hopital’s Rule, Squeeze Theorem etc. have not been discussed and limits (A) and (B) as given below are to be evaluated by simple methods like algebraic simplification etc. 1. Int. of (xlogx)dx
asked by MS 
algebra
Show steps For each function,what is the output of the given input For f(x)=4 x+7,find f(4) Thanks
asked by snow 
english
i want to either study or to work abroad after i graduate. correct parrellel structure?
asked by tess 
Physics
A bead of mass m = 33.5 kg is released from point A which is located 5 m above the ground and slides on a frictionless track. Determine the bead's speed when it reaches point C which is located 2.0 m above the ground.
asked by Monica 
Physics
A 3.3 kg pendulum bob hangs from a 2 meter string. It is pulled to the side, position A, so that the bob is 103 cm (h on the sketch) above the lowest position, position C. The bob is released and begins to swing. a) What is its potential energy after it
asked by Monica 
life orientation
identify three study fields/career paths in order of preference and provide two reasons for each choice
asked by sibusiso 
physic
A rubber ball dropped from a height of exactly 6 ft bounces several times on the floor, loosing 10% of its kinetic energy each bounce. After how many bounces will the ball subsequently not rise above 3 ft
asked by muhammad fahad rafi 
Health (STD's)
I need a few words that I can put in my crossword puzzle that go along with Chlamydia... Can anyone help?
asked by cody 
life orientation
Indentify three study field/career paths in order of preference and provide two reason for each choice
asked by nomsa 
maths
the lenght of a rectangle is 1cm more than its width,it has a area of 414cm2 what is the width to one decimal place?
asked by charlie 
liberal arts math
Put the equation below in the form ax^2+bx+c=0. x^2+3=(4x+1)^2, I've been stuck on this for the past hour, could someone please explain how to do this problem?
asked by Tifini 
math
2x^2+7=9
asked by WINSTON 
Math
5. Solve the proportion using cross product 18/20 = k/110 A. 99 (my answer) B. 122 C. 33 D. 2.9 (my answer) The reason why I picked 2 of them were because I'm stuck between the two
asked by Easy Math problem 
math/algebra
Solve the following systems: 1) x+z=2 2x+y=3 Xy+z=1
asked by sly 
math/algebra
Solve the following systems: 2x + 2z =2 4x + 2y =3 2× + 2y + 2z =1
asked by sly 
Grammar
Complete the form as soon as possible, but no later than March 23th. Complete the form as soon as possible, but not later than March 23rd. Which sentence is correct?
asked by Anonymous 
science(check answers)
1.A 2.A 3.D 4.C 1.Is the following statement true or false?Solar panels collect energy from the sun that can then power a lamp in a home. A.True B.False 2.Harvesting energy from water,wind,and geothermal vents requries the use of A. aquaculture B.engines
asked by bonn 
finance
For a $13,000 student loan with a 6% APR, how much of the payment will go toward the principal and how much will go toward paying interest for each of the first six payments? Assume this is a 10year loan with monthly payments.
asked by lynn 
english
For example, if it is a sport, then some people wonder why cheerleaders must also be concerned with the neatness and uniformity of their appearance. In addition, since cheerleading does not require an opposing group of cheerleaders, some people question
asked by Anonymous 
math/algebra
Express x^2  3x x^2  1 As partial fractions
asked by sly 
Physics
Stan the strongman lifts a 524 kg dumbbell from the floor to 1.69 meters above the floor at a constant velocity. How much energy does it take Stan to lift the dumbbell?
asked by Anonymous 
math/algebra
Express x^2  3x/x^2  1 As partial fractions
asked by sly 
science(check answers)
2.C 3.A 2.Harvesting energy from water,wind,and geothermal vents requries the use of A. aquaculture B.engines C.mines D.turbines 3.which of the following is not among the advantages of generating nuclear energy? A.It does not release carbon dioxide into
asked by bonn 
Physics
Alfonso and Sarah like to go sky diving together. Alfonso has a mass of 86.0 kg and Sarah has a mass of 57.8 kg. While in free fall together (next to each other), Alfonso pushes Sarah horizontally with a force of 12.9 N. What is the magnitude of Alfonso's
asked by Erin 
History Help!
What were the key aspects of Lyndon B. Johnson’s Great Society? *Can you please send me a link to find this information! thank you!!
asked by ALEXA 
Physics
True or false Consider a simple frictionless rollercoaster. It begins at x = 0, at a height of y = H. Then it drops into a dip, reaching a minimum at x = 100, with zero height (y = 0). Finally, it goes back up at x = 200, but only reaches a height of y =
asked by Monica 
Physics
Use the following information to calculate the speed of a ball in a pinball machine at a specific location. The ball is launched by using a spring (k = 703 N/m) compressed by 9.0 cm. Consider the starting position of the ball to be its location when the
asked by Monica 
Physics
Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a springloaded gun that is mounted on a table. The target box is 3.46 m horizontally from the edge of the table. Bobby compresses the spring 0.97
asked by Monica 
Physics
a) A bullet (m = 0.0250 kg) is fired with a speed of 91.00 m/s and hits a block (M = 2.80 kg) supported by two light strings as shown, stopping quickly. Find the height to which the block rises. b)Find the angle (in degrees) through which the block rises,
asked by Monica 
Physics
Consider a simple frictionless rollercoaster. It begins at x = 0, at a height of y = H. Then it drops into a dip, reaching a minimum at x = 100, with zero height (y = 0). Finally, it goes back up at x = 200, but only reaches a height of y = H/2. Assume
asked by Mikayla 
life orientation
study fieldy/career of chemical engeneering,mechanical engineering,and provide two reasons for each choice
asked by nkosinathi 
Physics
How large an average force is required to stop a 1400kg car in 5.0 s if the car’s initial speed is 25 m/s?
asked by Bola 
algebra
Find the domain and range of the relation and determine whether it is a function? Answers are Domain x>1 range y>0yes it is a function Domain all real numbers,range all real numbers yes it is a function Domain positive integers, range positive integers no
asked by snow 
Chemistry
If you dilute 11.6 mL of a 3.5 M solution to make 214.8 mL of solution, what is the molarity of the dilute solution?
asked by Grace Badaki 
economics
Consider the problem of a competitive firm which has fixed costs of $1000, semifixedcosts of $1000, and variable costs given by q^2. What is the maximum market price at which the firm decides to supply zero?
asked by Anonymous 
maths
Could somebody help me,please? 4+5+2=? thirds
asked by DAMIAN 
life orientation
identify three study fields/career pathns in order of preference and provide two reasons for each choice?
asked by mandisa khumalow 
SCIENCE HELP ASAP PLZ!
Which of the following helps ensure a group’s access to resources it needs for survival? A) courtship ritual B) hibernation C) conditioning D) territorial behavior
asked by LET IT GO 
life orientation
state the sudy field you have identified as your first preference and briefly give a description of the course?
asked by mandisa khumalow 
life orientation
state the minimum admission requirements for your choosen study field.ensure that your information is current and relevant?
asked by mandisa khumalow 
SCIENCE HELP ASAP ONLY ONE QUESTION!!!!!!!!!!!!!!!
which of the following is an example of corporate behavior A) a lion hunting a zebra B) Two male peacocks fighting over a female peacock C) A hyena stealing a cheeta's kill D) a bluejay calling to signal the presence of a hawk
asked by LET IT GO 
life orientation
who are profession or.field,journal articles.career books or speaking to career counsellors?
asked by mandisa khumalow 
SCIENCE HELP ASAP PLZ! ONLY ONE QUESTION!!!!!!!!
which of the following is not a benefit provided by a social group a) instinct to run from predators b) access to mate c) protecting young d) learning to recognize predators
asked by LET IT GO 
science help
What causes hurricanes to form in central america and the caribbean? A.trade winds B.extreme heat C.lack of cloud cover D.drought
asked by dalia 
Social studies***help***
please check my answers 1.A 2.D 1.Which of he following is the greatest threat to the island's resources? (central american and the caribbean) i included that because i think that is the islands. A.biodiversity B.hurricanes C.deforestation D.ecotourism
asked by dalia 
life orientation
the high dropout and failure rate in their first year at tertiary(mention seven reasons)??
asked by mandisa khumalow 
life orientation
what can learners do to overcome this problem of dropout and failure in their first year at tertiary seven reason??
asked by mandisa khumalow 
HELP JUST GIVE ME THE ANSWER A,B ,C, OR D
Which of the following helps ensure a group’s access to resources it needs for survival? A) courtship ritual B) hibernation C) conditioning D) territorial behavior
asked by LET IT GO 
History
How would be more accurate to describe how Islam spread through the Middle East, through military strength or from imperial command?
asked by Anonymous 
STATISTIC HELP
1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing probability and answer the questions that follow. Plain Brown Blue Green Orange Red Yellow Probability 0.3 0.1
asked by bowershe 
Science... plz help~!
If a 40 kg person is accelerating at 10 m/s^2, then the magnitude of the force acting on him or her is 400 N. (1 point) True False
asked by Gabby 
math patterns and rules
write a rule for the sequnce. 3,3,9,15 a.start with 3 and add 6 repeatedly b.start with 6 snd add 3 repeatedly c.start with 3 and add 6 repeatedly d.start with 3 an subtract 6 repeatedly
asked by yo 
please check(Social studies)
1.A>B 2.D>A 1.Which of he following is the greatest threat to the island's resources? (central american and the caribbean) i included that because i think that is the islands. A.biodiversity B.hurricanes C.deforestation D.ecotourism 2.What causes
asked by dalia 
its my first day here in JISKHA QUESTION
so i'd like to know when.iam going gets my answer..and how you see when they answered you please help i am a new..visitor here
asked by mandisa khumalow 
chemistry
Molality is a unit of concentration that measures the moles of solute per
asked by destiny 
PEOPLE, SCIENCE, AND THE ENVIRONMENT
. If all life ceased on Earth, how quickly would the atmosphere become like that of Venus and Mars? Explain.
asked by theresa 
English
I wanted to post my English thing here for it to be edited but not want it to stay public on internet, is there way to make it private ?
asked by Mohammad 
Ethics
1. Prima facie duties are different from categorical duties in that: A. they can be overridden by more important duties in a given situation. B. they only need to be followed if doing so brings the best consequences. C. they only apply to some people. D.
asked by Any 
Chemistry
The reaction between 32.0g of CH4 and excess oxygen gas produces 75.9 of CO2 gas and some water. Determine the percent yield? Plss help :((
asked by juju 
PLS HELP ASAP 1 SUPER HARD & ANNOYING QUESTION
Use the diagram to answer question 13. so substance A looks like a row of three little circles on the top and bottom all organized (total six dots). substance b is all clumped together circles and is disorganized. 13. How can substance A and B be compared?
asked by sonamy4eva 
Chemistry
If 6.51g of copper is reacted with 28.4g of silver nitrate, the products will be copper (II) nitrate and silver metal. What is the theoretical mass of silver that will be produced??
asked by juju 
social studies
How does corruption and corruption contribute to unemployment in south Africa
asked by CHARLES BRONSON 
L.O
state the study field you have identified as ur first preference and briefly give a description
asked by cphiwe 
Science
Which of the following is NOT a common landform caused by the passing of a glacier? Drumlins Esker Moraine Steppe ******************** There are sometimes flowing rivers within a glacier. True *************************** False Glaciers form and grow when
asked by Cassie 
MATH
Use your calculator to compute the actual roots. Use the Quadratic Formula to solve x2 – 4x – 8 = 0.
asked by winston 
Science
How many ice ages do scientist estimate have occurred during the last billion years? 3 5************************************* 6 7 How often do scientists say that recent cycles of advancing and retreating ice sheets occur? approximately every 100,000
asked by Cassie 
Ethics
1. Moral principles or moral rules such as "never kill an innocent human being" might be described as: A. virtues. B. conditionals. C. maxims. D. courses of best interest. is it A 2. Which of the following would be a form of disablement? A. Committing a
asked by Any 
Help!  Writeacher!!
Help!! Can you check my answers? 1. The small boat was scudding into the open sea with a full sail. (1 point) getting stuck sinking deeply moving swiftly* rocking harshly 2. As an outdoor enthusiast, Kristina abhorred the fact that people left debris along
asked by Amelia 
L.O
How does corruption and fraud contribute to unemployment
asked by CHARLES BRONSON 
Math ~ Check Answers ~
A rectangular prism has a width of 92 ft and a volume of 240 ft^3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. •3.8 ft^3 •60 ft^3
asked by Chloé 
Science
Is this correct. True or False. You can produce lower pressure by decreasing the area a force acts on. I think it is true.
asked by Alex 
health
An example of a depression screening tool includes the ? A. Patient health Questionnaire B. Center for Epidemiologic Studies Depression scale C. Geriatric Depression Scale D. All od the above
asked by melvin 
Ethics
1. Kantian (deontological) ethics justifies criminal punishment on which of the following grounds? A. Retribution B. Rehabilitation C. Deterrence D. Incapacitation is it A 2. For Kant, the focus of the moral life is: A. pursuing freedom. B. doing one’s
asked by Any 
CALCULUS HELP
Find the derivative of the following function showing your work and fully simplifying your answer. STEP BY STEP PLEASE!!! f(x)=(8x3)^5/(6x+7)^12 THANK YOU SO MUCH!!!
asked by KESHA 
Statistic
What must be true in order for P(A OR B)=P(A) +P(B)? a and b cannot be disjoint a and b must be independent a and b cannot be independent a and b must be disjoint it is always true 2. What must be true for P(A and B)=p(A) * P(B) a and b cannot be
asked by bowershe 
please check(Social studies)
4.C 5.B 4.why is ectourism better for the environment than traditional tourism? A.it changes native cultures B.there is a shortage of clean water C.traditional tourism only highlights beaches D.ecotourism uses few natural resources 5.Which of the following
asked by dalia 
Ethics
1. Deterrence occurs when we: A. discourage offenders from repeating offenses, or discourage others by example. B. change the character of an offender such that she or he is no longer inclined to commit criminal offenses. C. prevent offenders from
asked by Any 
Ethics
Things we are morally obligated NOT to do (e.g., lie, cheat, exploit others) can be termed: A. correlated duties. B. negative duties. C. positive law. D. positive duties. im confused between B and D
asked by Any 
Global studies
The indigenous people of British Columbia are famous for carving __________, or tall poles containing the symbols of a particular group, family, or clan. a. monuments b. family pillars c. totem poles *** d. animal columns
asked by Jack 
social studies(updated answers)
4.B 5.A 4.why is ectourism better for the environment than traditional tourism? A.it changes native cultures B.there is a shortage of clean water C.traditional tourism only highlights beaches D.ecotourism uses few natural resources 5.Which of the following
asked by dalia 
Global Studies
Which of the following minerals generates the most income for British Columbia? A. lead B. zinc c. Gold d. Copper
asked by vanessa 
life orientation
identify three courses or study fields/ career paths in order of preference and provide two reasons for eeach choice.
asked by sandiswa 
SS
What religious principle has more influence on Jewish, Christian, and Islamic art, the belief in one god or the messages from the prophets?
asked by Anonymous 
Science
which of the two conditions listed below are usually necessary in order for a fossil to form? possession of hard parts thick mud**************************** entrapment in oil rapid burial************************* Answers: 1. B and D Thank You.
asked by Cassie 
computers
What percent of my computer fleet will I have to replace every year in order to implement a 5year rotation plan on my computing device
asked by Roxcena 
S.S please help!
1 Marks: 3 Which statement best describes the government of Canada? Choose one answer. a. The monarch of Britain has total control over Canada. b. The Canadian parliament is ruled by the United States. c. Canada has complete power over its own government.
asked by Please help! 
S.S redo
1. The economic centers of the Northeast are the region's __________. (1 point) farms fisheries forests cities 2. Two major ports in the South are ______________________. (1 point) Atlanta and Dalton Raleigh and Austin Miami and New Orleans New York City
asked by Please help! 
social studies(updated answers)
4.why is ectourism better for the environment than traditional tourism? A.it changes native cultures B.there is a shortage of clean water C.traditional tourism only highlights beaches D.ecotourism uses few natural resources 4.A 5.C 5.Which of the following
asked by dalia 
Cooking catering
When your creating garnishes which of the following is the most adaptable to creative and interesting shapes
asked by Tanisha 
Math ( trig )
If a person on the Ferris wheel is 45 feet above the ground. The Gris wheel has a radius of 47.f and is 5 feet above the ground. At what degrees had the Ferris wheel rotated counted clockwise?
asked by Gabby 
SS
tourism is essential to the economies of which two nations? A.haiti and the dominican republic B.haiti and jamaica C.haiti and the bahamas D.jamaica and the bahamas
asked by becky 
Math special angels PLEASE JUST GIVE ME THE ANSWER
An angle measures 47 degrees. what are the measures of the angle's complement and supplement A) complement 43. suppplement 133 B) complement 133. suppplement 43 C)complement 133 supplement 143 D)complement 143 supplement 53
asked by Queen elsa 
6th grade math
I have to determine which method  mean, median, or mode  would be best for answering the following question: Find the average number of athletes for the sample of 7 countries listed by deciding which measure of center is the best represntation of the
asked by Alexis 
help i have no idea!!!!!!
the challenges Earhart faced throughout her life.
asked by carina 
Science
Hi, I am working on stoichiometry and limiting reactant problems. I have worked through examples in my book and I did them right and can solve for the excess, however there is one problem in the book that has confused me. I don't understand why they
asked by Alexa 
Dramatic Scenes
Do I have to end a oneword stage direction with punctuation? I remember my teacher saying we have to do so, but an example he gave us doesn't. For example: MARY.[Sadly] I'm ready to go. Do I need a period after "Sadly?"
asked by Anonymous 
Business Math
Larry Mager purchased a ski lodge in Telluride for $850,000. His bank is willing to finance 70% of the purchase price. As part of the mortgage closing costs, Larry had to pay 4(1/4) discount points. How much did this amount to?
asked by Kik 
physics
A glider with a mass of 3 kg is moving rightward at a speed of 2 m/s on a frictionless horizontal air track. It collides with a stationary glider whose mass is 18 kg. If the collision is elastic, what is the speed of the gliders after the collision? Use SI
asked by Anonymous 
Language Arts
What is the simple subject in this sentence? These homes are built up from the bottom of the pond. a. these b. homes c. pond
asked by Maddie 
SocialS..
Hello everyone i only have one question today that im curious about. Thanks Which industry provides the most benefits for the environment? A.Cattle ranching B.ecotourism C.tourism D.largescale farming
asked by Kayla 
Geometry
The length of a hypotenuse of a right triangle is 29 feet. The Altitude drawn perpendicular to the hypotenuse is 10 feet. What are the lengths of the two legs?
asked by Gabby 
PLZZ HELP ME WITH THIS MATH MS SUE.
4. For the pair of similar solids, find the value of the variable. cylinders (1 point) 3 cm 18 cm 16 cm** 2 cm 5. For the pair of similar solids, find the value of the variable. pyramids (1 point) 12 mm 48 mm** 20 mm 3 mm ARE THESE CORRECT?
asked by josh 
Language Arts
What is the simple predicate in this sentence? Branches buried in the mud are food for the winter. a. are b. buried c. for I thought it was buried, but when I submitted the answer for a pretest it said it was wrong and I'm a little confused.
asked by Jennifer 
help me with this pe.
1. Which resource would be the best choice to learn more information about joining a cricket team? (1 point) county aquatics facility lifeguard local community center private equestrian center 2. At the 8th grade dance, Myron asks Janelle if she would like
asked by josh 
Language Arts
Can someone tell me what the simple subject and simple predicates are in this sentence? Thanks Sports fans trade baseball, football, or basketball cards. a. sport fans/trade b. fans/or c. baseball/or d. fans/trade
asked by Holly 
help with math!!!!
Solve each system using substitution. Tell whether the system has one solution, infinitely many solutions, or no solution. 13. x + y = 13 3x  1 = 19 15. 1/3y= 7/3 x + 5/3 x  3y = 5 17. 3x + y = 13 2x + 5y = 54
asked by Hannah 
Physics
A 71 kg girl dives off a raft 2.34 square meters floating in a freshwater lake. By how much does the raft rise in cm? Write your answer correct to two decimal places.
asked by Paul 
English
Whats the mood of the story and how it makes you feel. How do you think Kafka wants you to feel about Gregor Samsa?
asked by Taylor 
math
what is 2 + 2 = ?
asked by athony awesome 
Chemistry
how do i name this chemical? Fe(NO3)2
asked by Sam 
Physics
A carnival seat and a passenger has a combined weight of 193. As the seat is spun on a 18m rope tethered to a pole at an angle of 59.2 degrees, at what speed is the seat traveling?
asked by Jade 
Science asap
1. Which of the following describes the correct sequence of events during the water cycle? precipitation → condensation → evaporation → runoff condensation → precipitation → runoff → evaporation runoff → condensation → evaporation →
asked by anonymous 
Science URGENT
Hi, I am working on stoichiometry and limiting reactant problems. I have worked through examples in my book and I did them right and can solve for the excess, however there is one problem in the book that has confused me. I don't understand why they
asked by Alexa 
world history
Its about 1569 map Of the World Compare a modern Mercator Projection of eastern North America with Mercator's map. How are the two maps different? How are they similar?
asked by Cat 
RE (Religous Education)
what is rastafarinism? and how did it originate
asked by Anonymous 
math
if someone walks 5km in 21 minutes and then 4 km in 39 minutes then whats his average speed
asked by j 
Physics
A car of mass m moving at a speed v1 collides and couples with the back of a truck of mass 3m moving initially in the same direction as the car at a lower speed v2. (Use any variable or symbol stated above as necessary.) (b) What is the change in kinetic
asked by Joe 
math
what does 2fracture each third mean?!
asked by Anonymous 
Social Studies
Why did The Aquarius lose its funding from the NOAA?
asked by Abbey 
Chemistry
how do i name this chemical? S(ClO3)2
asked by Sam 
physics
a car that's 1000 kg is stopped and the brakes exert a force of 3000 N over a distance of 891 meter, how much work is done?
asked by Anonymous 
S.S
Hi i put a question that i wanted to know about down below How did the haitian revolution impact the history of the united states? A.It brought the united states into a war with spain over cuba. B.France no longer had haiti,so Napeleon was willing to sell
asked by Stacey 
business math
Martin Ellingham is negotiating to buy a vacation cottage in Port Wenn. The seller of the cottage is asking $186,000. Martin offered him a cash deal, ownerseller (no broker) only if the seller would reduce the price by 12%. The seller agreed. Martin must
asked by Kik 
MATH
explain how to construct a perpendicular bisector
asked by Elena 
Mathematics
Suppose that 4 people sit in 4 chairs in a circle. How many different new seating arrangements are possible if each person can move 1 chair to the left or right or remain as is and if 1 person must be in each chair?
asked by WALTER 
Math
Sam spent half his money on a shirt. At another store he spent half the money he had left. Then he bought a cd for $6.75. He had $2.50 left. How much money did Sam have in the beginning?
asked by Chris 
Geography
A clown is shot from a cannon with a speed of 25 m/s at an angle of 35 degrees. If his landing is at the same level as his takeoff point, then how long is he in the air?
asked by Anonymous 
chemistry
what is the chemical reactions for these... 2Na+2H2O>2NaOH+H2 2FeS2+3O2>Fe2O2+2SO2 CaCO3>CO2+CaO
asked by Sam 
Question
Hi i put a question that i wanted to know about down below How did the haitian revolution impact the history of the united states? A.It brought the united states into a war with spain over cuba. B.France no longer had haiti,so Napeleon was willing to sell
asked by Stacey 
Algebra
Your friend Mary computes (x5)(x7) and gets and answer of x35. Explain why her answer is incorrect and include the correct answer.
asked by BrianP 
Algebra
Is (x+y)2 equal to (x2+y2)? Explain why or why not using an example to support your answer.
asked by BrianP 
Algebra
The distance from the Earth to the sun is 93,000,000 miles? Write this number in scientific notation. A scientist measures a speck of sand as having a diameter of 0.00000034? Write this number in scientific notation.
asked by WillyB 
a
Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the
asked by WillyB 
Algebra ll
I need help, can someone guide me through this problem? log3(x + 2) + log3(4x – 1) = 5
asked by Me 
Algebra
Jen and Jacob want to put a cement deck around their pool. Use the figure below to calculate the area of the deck. If cement costs $4.75 per square foot, how much is the cost of the deck? Round to the nearest hundredth. Width of pool is x+3 Length of pool
asked by WillyB 
Spanish Help please
1. ¿Sabes quién ganó el partido de fútbol? Sé que _______. A. soportaron B. empataron C. prestaron D. fueron I said B 2. ¿Cómo te _______ cuando eras pequeño? Muy mal. Siempre me peleaba con mi hermana menor. A. llorabas B. portabas C. preferías
asked by Eri Uchi 
Pre Algebra
Find the product and write in lowest terms. 10/51.3/8
asked by Muhammad 
Science :(
4. Which of the following is not needed to make a model of the water cycle? an energy source water a closed container a drain 5. Which of the following explains why water is a limited resource? Water is present on Earth in a fixed amount that does not
asked by anonymous 
Algebra
Sam needs to fill up a box with packaging material. Use the Figures below to calculate the volume of the box. Length=2x+3 width=x+2 ht=x3
asked by WillyB 
Heritage Christian
express ratio as a fraction in lowest terms 18 hours to 2 days
asked by Diego Ralon 
math
There was a competition that attracted 630 entries for a $250 prize. Molly gets paid $7.50 per hour for checking the entries, which takes her 2 minutes each. How much do they pay Molly to check the entries?
asked by Anonymous 
chemistry
Arrange the three metals in order of their relative strengths as reducing agents, placing the strongest first. Write each metal as a half reaction.
asked by Brooke Deemer 
Math
how much should rod pay for a 10 year annuity that provides month end payments of 1800 at 4.5% compounded quarterly
asked by Anna 
Question
Mrs.sue Can you just give me the answer ive really had a hard day.and i don't expect you to take pittey i just really need the answer _ How did the haitian revolution impact the history of the united states? A.It brought the united states into a war with
asked by Stacey 
please check(Social studies)
please check my answers thanks 1.B 2.C 3.B 4.B 5.C and D 1.How did the haitian revolution impact the history of the united states? A.It brought the united states into a war with spain over cuba. B.France no longer had haiti,so Napeleon was willing to sell
asked by Stacey 
Algebra  Functions
Aaron is a salesman that earns a base salary of $1,200.00 per month and a commission of 5% on the amount of sales he makes. One month Aaron received a paycheck for $1,811.00. Find the amount of his sales for the month.
asked by Heather 
Help
4. Which of the following is not needed to make a model of the water cycle? an energy source water a closed container a drain 5. Which of the following explains why water is a limited resource? Water is present on Earth in a fixed amount that does not
asked by anonymous 
Early Childhood
Mrs. Bates watched David work a puzzle that he had chosen from the ones she put on the table. She listened and commented when David made guesses at the correct location for the pieces. This is an example of a/an __________ activity. A. structured B.
asked by Teresa 
phys
A 12kg crate rests on a horizontal surface and a boy pulls on it with a force that is 30 degree below the horizontal. If the coefficient of static friction is 0.40, the minimum magnitude force he needs to start the crate moving is:
asked by tony 
math
One radio station has an average of 12 minutes of advertising per hour. The station broadcasts 14 hours per day. How much advertising time can it sell each week?
asked by Anonymous 
math
The typical American eats 96.3 pounds of beef each year. If the average price of beef is $2.42 per pound, about how much is spent on beef by each american?
asked by Anonymous 
ECE
Flannel board stories encourage the language arts skill of __________ more than other skills. A. listening B. writing C. speaking D. reading
asked by Mark 
ece
Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything of mine is blue." This is typical of __________ speech. A. personal function B. heuristic function C. representational D.
asked by Nikki 
math
Mount washington in new hampshire is 2,096 yards high. How many feet is the mountain? (3ft = 1 yd)
asked by Anonymous 
math
The highest point in alabama is 2,400 feet high. The lowest point is 500 feet high. How much higher is the highest point than the lowest point?
asked by Anonymous 
chem
what are the type of chemical reactions for the below (synthesis, double/single displacement or decomposition) 2Na+2H2O>2NaOH+H2 2FeS2+3O2>Fe2O2+2SO2 CaCO3>CO2+CaO 2H2S+2KOH>K2S+2HOH 2Ca+4HOH>2Ca(OH)2+H2
asked by Sam 
civics
true or false? each state is divided into exactly 3 congressional districts
asked by ga 
education
Teachers usually ask more of this type of question even if it is NOT recommended: convergent. B. divergent. C. openended. D. recall.
asked by Haley 
math
It costs about .10cents per week to feed a snake. How much does it cost to feed 35 snakes for 4 weeks?
asked by Anonymous 
Science... plz help~!
The popul Vuh indicates that the mayans valued
asked by becky 
Education
In a study about kindergarten readiness, which one of the following was true? A. Group participation skills were viewed as insignificant in comparison to academic skills. B. The ability to write one's name was followed by selfcontrol. C. The majority of
asked by Haley 
math
There are 518 student pictures for the yearbook. If 15 pictures fit on a page, how many pages can be completely filled?
asked by Anonymous 
civics
true or false? Congress can raise and spend money.
asked by ga 
speech
does a question of policy speech have to be on a law or policy? Or can It be persuading someone to do something (like volunteer, or encouraging them to graduate debt free)
asked by Hannah 
probability
a multiple choice test consists of 8 questions, each with 4 possible answers but only one of which is correct.what is the probability that an unprepared student will, by chance, get, a. all correct answers, b. exactly 5 correct answers, c. at most 4
asked by marie 
chemistry
What is the wavelength, in nm, of light with an energy content of (1.35x10^3 kJ/mol)? Thank you!!!
asked by abby 
chemistry
What is (delta E) for the traansition of an electron from n=9 to n=4 in a Bohr hydrogen atom? What is the frequency? Thank you!
asked by abby 
chemistry
What is the longest wavelength of light that can be emitted by a hydrogen atom that has an initial configuration of 8p^1? Thank you!!
asked by abby 
chemistry
What is the velocity, in meters per second, of a beam of electrons if they are to display a "de Broglie" wavelength of 41.2 um?
asked by abby 
chemistry
1. it takes: ____ electrons to fill the 6d subshell of an atom. 2. It takes _____ electrons to fill the n=6 shell of an atom. I thought it was 22 and 72?
asked by abby 
algebra
The table lists average monthly temperature and electricity cost for a Texas home in 2008 the table displays the values rounded to the nearest whole number make a scatter plot how would you describes the correlation? January 57 A.T. 150 E.B. February
asked by snow 
math
How do you solve an equation with trinomials and polynomials equal to zero?
asked by Primrose 
Science quick help needed
identify the following formulas as acids, bases or salts: HCH3COO NaCL H2CO3 C6H8)7 Mg(OH) NaOH KBr Sr(OH)2 HNO3 please help :) thanks :)
asked by Anonymous 
algebra
Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) x − y = 2 2x + 3y = 19
asked by P 
algebra
Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) 4x + 2y = 12 5x − 4y = 2
asked by P 
Calc Help :(((((
Find the derivative of the following function showing your work and fully simplifying your answer. Show steps please! Thank you!!!!!! f(x)=(x+3)^3(x8)^5
asked by Kim 
civics
1. Every month congress passes public work bills. I put true 2.In a roll call vote,is a speaking vote to decide if a bill should be added. I put false 3.A standing vote is when those in favor of a bill stand up and explain why they think it should be
asked by ga 
chemistry
1. How many different 4p orbitals are there? 2. How many radial nodes are there? 3. How many angular nodes are there? (excluding the radial nodes) I thought it was 2,1, 2??
asked by abby 
TO DrBob222 or any science helper
identify the following formulas as acids, bases or salts: HCH3COO NaCL H2CO3 C6H8)7 Mg(OH) NaOH KBr Sr(OH)2 HNO3 please help really urgent :) thanks :)
asked by Anonymous 
accounting
1Aug13 Started business by investing $20,000 from personal savings into a business' bank account and a car and furniture worth $90,000 and $30,000 respectively. 2Aug13 Purchased office furniture from Standards for $3,000 paying by cheque. 4Aug13
asked by Kailee 
math
the perimeter of a square is 28 inches. What is the length of each side?
asked by Raymond 
please check(Social studies)
1.A 2.C 3.C 4.C 5.A 6.C 7.A,B AND C PLEASE PICK 1 I CAME UP WITH ALL 3 1. The popul Vuh indicates that the mayans valued A. agriculture B. architecture C. government D. arts 2. Mayan temples were built to honor A. the stars B. the mayan calendar C. mayan
asked by matt 
Math
The velocity (feet per second) of an object is given by the equation v = 3(2t + 1)0.4. What is the equation for the acceleration of the object? What is the equation for the displacement of the object? The displacement is initially 25 feet. What are the
asked by Jacob 
math
The voltage (in volts) induced in a coil of wire is v = (2t + 1)0.5. The current in the coil is initially 0.3 amps, and the inductance is 5H. What is the equation for the current in the coil?
asked by Anonymous 
CHEMISTRY.
what would be the VSEPR shape of pyridine?
asked by Riana 
CHEM
which formula do i use to solve for the rate constant of a 2nd order half life?
asked by Anonymous 
Math
If I had 32 kilobytes and was converting them to Hectobytes using the K H D b d c m would it be 320 hectobytes?
asked by Jaylee 
Science check my answers
Which of the following is not needed to make a model of the water cycle? an energy source water a closed container a drain Which of the following explains why water is a limited resource? Water is present on Earth in a fixed amount that does not change.
asked by Princess Anna 
Chem
suppose that you place exactly 100 bacteria into a flask containing nutrients for the bacteria and that you find the following data at 37 °C: t (min):0 15.0 30.0 45.0 60.0 Number of bacteria: 100 200 400 800 1600 What is the order of the rate of
asked by Bri 
education ece
A. his printing ability and scholarship. A child’s oral vocabulary is closely related to: B. reading comprehension and ease in learning to read. C. creativity and motivation. D. attention span and distractibility. Im thinking it's A.
asked by BritBrat 
Biology
Are my answers correct? 1. What term describes the relationship of the ankle to the hip? Medial Proximal Distal this one Superior Anterior 2. What term describes the relationship of the nose to the mouth? Superior this one Deep Anterior Inferior
asked by John 
Chemistry 32
HCI (aq) is a strong acid. suppose you dissolved 0.0365 grams of HCI in water to give a final volume of 10.0 mL. what is the pH of this final solution. The molar mass of HCU is 36.5g /mole and the molar mass of water is 18.0g/mole
asked by jen 
physics
A boy with a mass of 50 kg is hanging from a spring with a spring constant of 200 N/m. With what frequency does the boy bounce up and down?
asked by t 
Physics
Ken has five 200W security lights on outside of home. How much energy do the security lights use in 8 hrs? If the cost of electricity is 8 cents per kWh,what is the cost of operating the security lights ? Please help I'm not sure which formula to use?
asked by Cherie 
Math
Selma went to the mall and spent 1/3 of her money. She then lost 1/2 of what she had left. She then had $6. How much money did Selma originally have?
asked by Kasey