Questions Asked on
August 20, 2014

physical science
On the question...a runner completes exactly 2 laps around a 400 meter track...what is the distance and what is the displacement? Would it be...800m for distance and 0m for displacement? Thanks...

MATH HELP!!
SID WROTE 541,309 ON HIS PAPER. USING NUMBERS AND WORDS EXPLAIN HOW THE NUMBER WOULD CHANGE IF HE SWITCHED THE DIGITS IN THE HUNDRED THOUSANDS AND TENS PLACES

Math
Maggie has a ribbon 27 feet long. What is the length of the ribbon in yards?

Chemistry
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 5.3L bulb, then filled it with the gas at 1.30atm and 27.0 ∘C and weighed it again. The difference in mass was 7.9g . Identify the gas. Express your

math
a submarine dives 10feet per min. for 12min. which expression represents this situation?

math
A circular track is 1000 yards in circumference. Cyclists A, B, and C start at the same place and time, and race around the track at the following rates per minute: A at 700 yards, B at 800 yards, and C at 900 yards. What is the least number of minutes it

Math
Which set of integers are in the right order from least to greatest? A.8,8,6,7,5 B.7,8,8,6,5 C.8,5,6,7,8 D.5,6,8,8,7 Is the answer D?

7th grade Math/Science
Can you help me with this science question: from sea level, the biosphere goes up about 9km and down about 19km. What is the thickness of the biosphere in meters? (there wasn't a formula in the workbook). Thanks

Math: Please help
Which of the following must be true about a the bisectors of a segment in a plane? A. Every segment has exactly one bisector. B. Every segment has exactly two bisectors.****** C. Every segment has 10 bisectors. D. Every segment has infinitely many

Chemistry
Imagine that you have a 7.00L gas tank and a 3.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 135atm , to what

physical science
need help understanding how to do this problem. "A swimmer swims a half lap, moving from the left end to the right end of a pool that is 50 meters long. What is the distance and what is the displacement? Thanks...

Math
To construct a copy of an angle ABC, the material that is Not necessary is A.) Protractor B.) Compass C.) Ruler or Straightedge D.) Pencil I think it is A.) Protractor Thank You.

English
Insidious literally translates to "sitting in," but the word means "secretly working to cause harm." Explain the possible connection between the actual and literal definitions of insidious.

billing/coding
which of the following statements about risk management is true? a)risk management is concerned with reducing exposure to legal liability b) risk management is a spontaneous response to an unexpected incident C) risk management is unique to the heatlh care

Science
4)What geographic feature marks the last obstacle for Georgia's rivers on their way to the Atlantic Ocean? A)The Floridian Aquifer B)The valley and ridge region C)the Fall Line D)the Marshes of Glynn 7)Which northern Georgia region has relied predominantly

AP Statistics
A study sought to determine whether the ancient Chinese art of acupuncture could help infertile women become pregnant. 160 healthy women undergoing treatment for infertility were recruited for the study. Half of the subjects were randomly assigned to

maths lit
Sandy runs 26.6 km in a week. How far does he run in one day?

physical science
what is the density of a cube with mass 50g & volume 2cm x 2cm x 2cm?

Computer
Which source trait should be considered when trying to ensure a paper or project is up to date? Help, if you would, I am not even sure what this question means.

calc
a rectangle is inscribed in the upper half of the circle x^2+y^2=a^2 calculate the area of the largest such rectangle. So A=2xy y=sqrt(a^2x^2)A what do I do from there?

science
victoria discovered a new way to keep her hands warm on a cold day. what scientific attitude is this an example

American Constitutional Law
The final authority to determine the winner of a closely contested election in the House of Representatives is determined by the: A. Supreme Court B. State where election was held C. Senate D. House of Representatives I am stumped on this one. My textbook

stats
A hospital claims that the proportion of fullterm babies born in the hospital who weigh less than seven pounds is no more than 39% . Suppose that we want to carry out a hypothesis test for this claim, suspecting otherwise. State the null hypothesis and

physics
1) write the formula to find the magnitude of gravitational force between earth and an object on earth's surface 2) how does the value of gravitational force 'f'change between two objects? 3) what is direction of an object moving with an acceleration due

math
1. A gallon of a certain kind of paint will cover 224 square feet of surface. In painting two walls; one 36’ by 8’ and the other 24’ by 9’, the number of gallons of paint used is: 2. Susan wants to use blue, yellow, green, and pink paint to

math
28. If the ratio of a to b is 4 to 5 and the ratio of a to c is 6 to 11, what is the ratio of b to c?

Math
What is the probability of obtaining exactly three heads in four flips of a coin, given that at least two are heads? (Enter the probability as a fraction.) I keep getting 2/3 but its wrong. Help!!

Us history
In the monroe doctrine what does the United States say it will do if any European colonies in North or South America declare their independence?

Trigonometry
I have three questions that I need help to answer. 1) a balloon on the end of a string attached to the ground is being blown by the wind. If the ballon us 12.75 m above the ground and the string makes an angle of 48 degrees to the horizontal, what is the

Maths
645.7 litre of water are poured into 8 empty tanks. What is the average amount of water in each tank? Give your answer in litres, correct to 1 decimal place.

physics
Ratio of the ranges of the bullets fired from a gun(a constant muzzle speed) at angle x, 2x and 4x is found in the ratio x:2:2 then the values of x will be(assume same muzzle speed of bullets)

physics
A coin is released inside a lift at a ht of 2m from the floor of the lift. The ht of the lift is 10 m . the lift is moving with an acceleration of 9m/s² downwards. The time after which the coin will strike with lift is: (g= 10 m/s)

Maths
Approximate the probability that the sum of the 16 independent uniform (0,1) random variables exceeds 10.

Power circuit theory
A three phase fully transposed transmission line ha s solid conductors of 2 cm diameter, spaced at distances between centres of 3.65 m, 5.5 m and 8.2 m. Determine the inductance of the complete line per km.

Math IV
what is the margin of error for a simple random sample of 900 people with a standard deviation of 13.5 at 95% level of confidence How do you write this question in the right formula, please? I believe I can calculate the problem, I don't know how to write

chemistri
calculate the molarity of a copper ii nitrate solution with a density of 1.48 g/ml and a percent mass by mass of 5.20 %

Science
A piece of magnesium ribbon weight 24g is burn in air an 40g magnesium oxide is formed. What mass of oxygen combined with the magnesium in this reaction

Science
which of the following are impacts that the temperature climate has had on Georgia's development? A) encouraging crops with longer growing season B)Drawing immigrants from other locations C)encouraging tourism D)all of the above

math
On a coordinate system, the segment joining the points (3,8) and (9,16) has the same midpoint as the line segment joining the points (8,11) and (x,13). What is the value of x? I think x=3

lifesciences
Explain the scientific interpretation of the fossils found in the cradle of humankind?

organic chemisrty
between butane,cis2butane,2butyne,ethane and trans2butene which one has higher melting

Life science
Darwin and charles theory on leaves of many desert plants are reduce to thorns

math
find x if (x,2) is a solution to the equation 3x+2y=7. my answer was x=1 but it was wrong.

math
9. Three cards are drawn at random from a standard deck of 52 card, without replacement. What is the probability of drawing a 7, drawing a 9, and a king in that order?

eastlake emelentary
the formal for the volume of a cube is V=e to the third power where e is the length of a side of the cube. find the volume of a cube with side length of 6cm.

Math
What is 225256dto the 2nd power =?

Us history
Put this into everyday wording "manifestation of an unfriendly disposition toward the United States.”

Algebra
if you are looking at the horizon, you can determine the distance you are form the horizone in miles. D, form a height, h, in feet by the equation of D = 1.2 square root H. if you are standing on a mountain top that is 12,000 feet in elevation, how far are

physics
A partical p is projected from a point on the surface of long smooth inclined plane. Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide after t=4 sec. The speed of projection of p is:

algebra
What is the rule to the function with inputs of 0;1;3;4 and outputs of 4;3;1;0

Math
Which expression is equivalent to (x + 5) • 6?

math
are all right angles complementary

college algebra
Pump A alone can empty the city pool in 12 hours. If only pump B is used, it takes 24 hours to empty the pool. How long would it take to drain the pool if both pumps were used together?

english
no nightingale ever sang melodious welcome songs to the group of tired travellers resting in shady places in the desert of arabia what is the poetic device used in comparing the reaper with the nightingale? simile or metaphor ?

Geometry
What are the applications of undefined terms and angles in the game of basketball? Give four (4) specific applications and give your justifications.

lotto 5\90
winning18 37 11 28 55.MACHINE 26 57 80 78 8.

algebra
if root a minus root b = root18  root6 nd multiply root5 then prove a+b=18

Geom
Given 70 degrees on a clock tell what time it is

lotto 5\90
winning9 38 53 85 72.machine48 50 63 80 6.

Math
Dominic collects sports science fiction and history books. He has 21 books about sports, 35 books about science fiction, and 14 about history. He wants the same number of each type of book on each shelf. What is the greatest number of each type of book on

health
how to loss 10 kg weight at home? (without exercise)

Algebra
Simplify 5^4 / 5 I know that the answer isn't 1

Connexus
An ideal gas cannot be... A. condensed B. cooled C. heated D. compressed

Chemistry
An ideal gas cannot be... A. condensed B. cooled C. heated D. compressed

Philippine history
Anyone here please give me the possible questions that can threw up to me about Filipinization of Government. Please. Thank you.

Geo
What is the formula to determine the median of an equilateral triangle?

Algebra
Describe the differences between a linear function and an exponential function. my answer is Linear functions have a constant rate of change while an exponential function has a constant finite ratio.

math
A (yearly) cash flow stream is x=(40,10,10,10,10,10,10). The spot rates are (yearly in percentage) s=(5.0,5.3,5.6,5.8,6.0,6.1). Use the discount factors to determine the (net) present value of the stream.

physics
A square vessel of sides 0.2m x 0.1 m is filled with alchol od density 900 kg m raised to 3 upto a level of 0.5 m. what is the pressure and thrust on the bottom of vessel? Giving g = m s raised 2 .

Math
A restaurant manager lost $415 in business during the month of January. Business picked up in February, and he ended the month with a profit of $1580. What was the managers profit after January and February?

math
21. If 6x+4y=40 and 7y/4x=7, what is value of x^2?

math
If 4 coins are tossed simultaneously, what is the probability of getting exactly 3 tails?

physics
what is the average pressure and average thrust on walls of the tank of cubical dimension of each side 4 m filled with water upto the brim. given g = 10 m raised to 2 . Please help this is urgent

algebra
(17*2)=13

math
40+ 20 28 divided by 7+(30 divided by 5)3 =

math
Write “$4,915 for 72 shares of stock” as a unit rate. Round to the nearest hundredth if necessary

English
Write a invitation card to a family members formal 21st birth party HOW DO I WRITE IT ? !!!

math
Suppose that the 6month US Treasury bill rate is equal to 5% and the forward rate on a 6month Treasury bill 6 months from now is 7.24%. (both in yearly terms). What is the rate of a 1year bill?

math
the sum of my digits is 13, my hundredths place is 3 less than 5, my ones place is 4 more than 3, my thousands place is even, what 4digit numbers can I be

static and dynamics
A box is at rest on a 34incline. what is the force of friction parallel to the ramp if box has a mass of 50kg

statistic
a box contain 5red balls,6 white balls,and 6black ball.two balls are drown but not replaced.find the probsbilty that both balls are of the same colour

math
The perimeter of a rectangle farm is 1 whole number 1 over 2 times its breadth.find the lenght and breadth of the farm

Criminal Justice
Which statement best describes physical aggression in preschool children? A. It is a strong predictor of later violence. B. It declines if ignored by caretakers. C. It is a normal developmental behavior. D. It rarely, if ever, occurs in preschool children.

Criminal Justice
Cote et al. (2007) found that girls are more likely to be aggressive by: A. punching and pushing. B. physically bullying. C. biting. D. spreading a nasty rumor. is it B

English
I need to come up with a suitable definition, translation....broken down meaning for this statement please. " the other in us always seems alien and unacceptable; but if we let ourselves be aggrieved, the feeling sinks in and we are the richer for this

Social Studies
Which of the following was not a tribe of North America when Europeans arrived? A.Olmec B.Cherokee C.Zuni D.Dakota Is the answer D? How did the Native American groups of the northern West Coast adapt to their enviorment? A.They built their homes out of

math
3.The distribution function of a random variable is given by F(x)= {0 , for x

Math
Fifty numbers are rounded off to the nearest integer and then summed. If the individual round off errors are uniformly distributed between 0.5 and 0.5 , what is the approximate probability that the resultant sum differs from the exact sum by 3.

math
A population distribution is known to have standard deviation 20. Determine the p value of a test of the hypothesis that the population mean is equal to 50, if the average of a sample of 64 observations is a) 52.5 , b) 55.0 , c) 57.5

ela poems
Tree at my window, window tree, My sash is lowered when night comes on; But let there never be curtain drawn Between you and me. Vague dreamhead lifted out of the ground, And thing next most diffuse to cloud, Not all your light tongues talking aloud Could

physics
Two uniform planks, each of mass m = 4.41 kg and length L = 2.11 m, are connected by a hinge at the top and by a chain of negligible mass attached at their centers, as shown in the figure. The assembly will stand upright, in the shape of an A, on a

Math
The standard deviation of test scores on a certain achievement test Is 11.3. If a random sample of 81 students had a sample score of 74.6 , find a 90% confidence interval estimate for the average score of all students.

life orientation
identify four environmental issues

life orientation
identify four environmental issues

programming
Assume the input to be the charge for the food, draw a flowchart that will compute the total amount of a meal purchased at a restaurant. The output should be the charge for the food, the amount of a 15 percent tip, the amount of the 7 percent sales tax (on

Maths
The distribution function of a random variable is given by F(x)= {0 , for x

math
24. What is least common multiple of 2,3,4,5,6, and 7? This is what I did: 2x3x2x5x2x3x7=2520

math
Describe the following reflections or translation in words 1.(x,y)>(x,y) 2.(x,y)>(y,x) 3.(x,y)>(x 4,y4)

MATH
find the slope,if any, of the line perpendicular to the line through the points (2,7) and (3,4). i need to show my work!. i got 11 as my answer but i think its wrong.:(

maths
solve the equation 3 cos x=25meters squared x,where 0¡ã < x < 360

MATH#2
find the solution to system by the substitution method. y=2x+5 y=3x The answer is(5,15). Just don't know how the professor got that answer.

Literature
Write an essay on "Do You Agree with Capital Punishment? This essay should have 5 paragraphs. In the 1st paragraph it must contain: Attentiongrabbing beginning. Description of issue. Opinion Statement. In the 2,3, 4 paragraph should contain: Different

physics
Consider nitrogen gas, N2, at 27.7°C. What percentage of nitrogen molecules have a speed within 1.00 m/s of the most probable speed?

college algebra
factor (x+9)(x16)=0

math
6. In a survey of 100 people, 73 owned only stocks. Six of the people invested in both stocks and bonds. How many people owned bonds only? This is what I did: 73+6=79 10079=21

math
5. How many positive integers less than 36 are equal to 4 times an odd integers?

Literature
This essay should have 5 paragraphs. In the 1st paragraph it must contain: Attentiongrabbing beginning. Description of issue. Opinion Statement. In the 2,3, 4 paragraph should contain: Different reasons for each paragraph. Evidence to support. In the 5th

Childrens Literature
an example of a child recognizing contextualized print would be A. reading a library book correctly the first time. B.distinguishing between numbers and letters. C. reciting a board book from memory. D. saying "That says Kroger," when passing the grocery

Algebra
Simplify y^3/y^10 My answer is 1/y^7 but I'm not sure of the steps that got me to the answer.

Childrens Literature
language that is important to the story and exact dialogue that is important to the message or tone makes: A. sharing the book difficult for the teacher. B. for poor choice to share with young children. C. A story better when acted out with puppets instead

guidance and discipline
when cary is not chosen to collect forks in the cafeteria, he shouts 'I Hate you!" to his teacher, mrs. miller. which one of the following responses below will help mrs. miller guide cary in expressing his feelings better? A."it sounds like you are really