Questions Asked on
March 20, 2013

PreAlgebra
1. What data are represented by the stemandleaf plot below? 3  7 8 9 4  1 3 7 5  2 4 Key: 4  1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode
asked by Janessa 
statistics
Jim Tree sells trees. The mean length of the trees purchased was 68 inches with a standard deviation of 10 inches. Jim wants to know what percent of his sales were more than 84 inches tall. He can use the standard normal distribution to help him. He asks,
asked by Jessie 
Math Ms. Sue please
1. What type of graph does not show the number of times a response was given? (1 point) boxandwhisker plot line plot stemandleaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point)
asked by Delilah 
Lang, Arts
1.Which of the following would always require a citation in a research paper? A.Thesis statement B.an anecdotal experience C.a quotation D.a humorous statement I think it is C...? 2. Which of the following shows the correct parenthetical citation for
asked by cassie 
chemistry
Mixtures of helium and oxygen are used in scuba diving tanks to help prevent ‘the bends’, a condition caused by nitrogen bubbles forming in the bloodstream. If 95 L of oxygen and 25 L of helium at STP are pumped into a scuba tank with a volume of 8.0
asked by alex 
Chemistry
A 5.0g Sample of KBr at 25.0 degrees celsius dissolves 25.0 mL of water also at 25.0 degrees celsius. The final equilibrium temperature of the resulting soltution is 18.1 degrees celsius. What is the enthalpy of of solution in kilojoules per mole of KBr?
asked by Sam 
Math
What type of graph does not show the number of times a response was given? (1 point) a.boxandwhisker plot b.line plot c.stemandleaf plot d.bar graph I choose c is that correct
asked by Giaaa 
Chemistry
Which of the following pairs would make a good buffer solution in an aqueous solution? A) H2SO4 and NaHSO4 B) Ca(NO3)2 and HNO3 C) HCl and NaCl D) HF and NaOH E) none of them I know the answer is D but I don't understand why. I would think it would be C
asked by Jonah 
calculus
1. The radius of a sphere is r inches at time t seconds. Find the radius when the rates of increase of the surface area and the radius are numerically equal. A 1/4π in B 1/5π in C 1/3π in D 1/8π in E 1/2π in
asked by Anonymous 
math
Given interest of $11,900 at 6 percent for 50 days (ordinary interest), one can calculate the principal as: (Points : 1) $1,428,005.70 $4,128,005.70 $1,428,05.70 $1,420.70 None of these
asked by Anonymous 
Math
Find the speed of a point on the rim of a 24cm diameter fly wheel which is turning at 2800 revolutions per minute. Give your answer in meters per second.
asked by Emily 
physics
A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2.00 m and the distance from the fulcrum to the load is 0.500 m. A graph of resistance force vs. effort force is shown. What is the mechanical advantage of
asked by Rachel 
Chemistry
Why is a dilute solution of boric acid H3BO3 used as an eyewash? How does it work in cleansing the eye from chemicals?
asked by Jonah 
Physics
A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid. The angle of incidence is 64.8 degrees, and the angle of refraction is 68.0 degrees. What is the index of refraction of the
asked by Tonya 
Physics
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 110 kg, and the coefficient of kinetic friction between the road and him is 0.825.
asked by Kelly 
Statistics 250
What is the probability of randomly selecting a zscore less than z = –0.80 from a normal distribution. a)0.2119 b)0.7881 c)0.2119 d)0.7881
asked by Jane Segurra 
physics
A 5 kg ball rolls off a 34 m high cliff, and lands 29 m from the base of the cliff. Express the displacement and the gravitational force in terms of vectors and calculate the work done by the gravitational force. Note that the gravitational force is < 0,
asked by Anonymous 
Algebra
Remember to show all of the steps that you use to solve the problem. Use the comments field to explain your work. A survey about the student government program at a school finds the following results: 190 students like the program 135 students think the
asked by Secret 
Math
As many 8cm diameter discs as possible are cut from a sheet of rectangular cardboard measuring 170cm by 90cm. Find the area of the sheet that is left.
asked by Emily 
Writing
Compare how beaver stole fire and stealing fire from Zeus are the same
asked by Zack 
English
In which sentence is the underlined word a past participle? Melted rock can explode or flow from different types of volcanoes. Having been warned of a possible eruption, the people left their town at the base of the volcano. Flowing lava from a volcano is
asked by Jake 
math
tina completed 2/3 of her homework george completed 7/8 of his homewor who completed a greater fraction of homework?
asked by kristiana 
Chemistry
A solution of aniline(C6H5NH2, Kb=4.2x10^10) has a pH of 8.69 at 25 Celsius. What was the initial concentration of aniline? I have so far don't know if it's right: *. [H3O]=10^8.69=2x10^9 * 4.2x10^10=(2x10^9)^2 / x X=1.2x10^8 (correct???)
asked by V 
PHYSICS  PLEASE HELP
A 1.00 kg pendulum bob is released from a height of 0.200 m. Its speed at the bottom of its swing is 1.95 m/s on the first pass. How much energy is lost due to friction during one complete swing of the pendulum? I get Ep=mgh 0.2*9.8*1 =1.96 then i get
asked by Manboob 
Math
A lorry travels at 50km/h. Given that the diameter of its wheel is 88cm, find how many revolutions per minute the wheel is turning. Given your answer to the nearest whole number.
asked by Emily 
physics
Two charges, qA and qB, are separated by a distance, d, and exert a force, F, on each other. Analyze Coulomb's law and answer the following questions. (a) What new force will exist if qA is doubled? (b) What new force will exist if qA and qB are cut in
asked by Billy 
Science
Miguel is skipping rocks across the surface of a lake. After he throws it, each stone goes through the following motions: I. the stone moves toward the water II. the stone hits the surface of the water and bounces off III. gravity pulls the stone back
asked by Lovely Mallory 
algebra 1
write in scientific notation and standard form. (1.9x10 to the second power)times (4.7x10 to the 6th power) how do you do this?
asked by Anonymous 
accounting
Andy, an inexperienced accountant, had to account for his company's purchase of a motorcar on credit. Unsure of the correct accounting entries, Andy debited the supplier's account and credited the motor expenses account. Was Andy correct?
asked by Anonymous 
chem
For the indicated atom in each of the following molecules or ions, give the number and arrangement of the electron pairs around that atom. (a) As in AsO43 number: arrangement: linear bent trigonal planar square planar tetrahedral (b) Se in SeO42 number:
asked by jack 
Finance
The most recent financial statements for Retro Machine, Inc., follow. Sales for 2010 are projected to grow by 20 percent. Interest expense will remain constant; the tax rate and the dividend payout rate will also remain constant. Costs, other expenses,
asked by cj 
physical
An electric field with a magnitude of 3.50 kN/C is applied along the x axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.7 m long assuming that (a) the plane is parallel to the yz plane; (b) the plane is parallel to the xy
asked by abc 
Chemistry
On Easter Sunday, April 23, 1983, nitric acid (HNO3) spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate (Na2CO3). 2HNO3(aq) + Na2CO3(s) > 2NaNO3(aq) + H2O(l) + CO2(g) deltaH=69.0kJ a. How much heat is
asked by K 
maths
12 MEN AT A CAMP HAVE FOOD TO LAST 10 DAYS. IF 3 MEN JOIN THE CAMP.HOW LONG WILL THE FOOD LAST?
asked by ANGIE 
Lang. Arts
4. Which of the following would not always require a citation in a research paper? A.quotation of a phrase B.quotation of a sentence C.sentence paraphrased from a book D.thesis statement I think this is C or D...? any suggestions? Thanks 5. Which of the
asked by cassie 
CHEMISTRY
1. What is the vapor pressure at 25°C of a solution of 1.20g of nephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23°C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of
asked by N COMAS 
mathscircles
ABCD is a rectangle the line through C perpendicular to AC meets AB produced at X and AD produce at Y . Prove that DBXY are concyclic
asked by anoynomous 
chemistry
CuSO4+4NH3Cu(NH3)4SO4 a. if you use 10.0g 0f CuSO4 and excess NH3, What is the theoretical yield of Cu(NH3)4SO4? b. if you produce 12.6g of Cu(NH3)4SO4, What is the percent yield of the compund?
asked by Yaneth 
physics
1. A piece of rectangular block weighing 5 kg is pressed on a vertical wall by a horizontal force applied to the block. If the coefficient of friction between the block and the wall is 2.0, what force is necessary to keep the block in place? 2. If the
asked by ruby 
chemistry
The mole fraction of oxygen in air is 0.209. Assuming nitrogen is the only other constituent, what are the partial pressures (in torr) of oxygen and nitrogen when the barometer reads 780 torr?
asked by alex 
Chemistry
7. A solution is prepared by dissolving 8.5 g NaHCO3 and 12.7 g Na2CO3 in 500.0 mL of water. Calculate the pH.
asked by Nick 
science
answer check?? 1) What two tissues are found within a vein? Xylem and Phloem. 2) What does the word "Mesophyll" mean? Middle Leaf. 3) What two layers of the plant contain chloroplasts? Palisade layer and Spongy layer. 4) The outermost layer of a cell:
asked by sami doodles :) 
English
Which senses are appealed to in these lines from Macbeth? Nay, had I pow'r, I should / Pour the sweet milk of concord into hell, / Uproar the universal peace… A. smell, taste, and touch B. hearing, sight, and smell C. sight, taste, and hearing D.
asked by Olivia 
Chemistry
Calculate the volume of oxygen starndad temperature and pressure which theoretically could be obtained from the 50cm3 of the solution of hydrogen peroxide containing 68g/dm3
asked by Adulkarim 
math
two third of a blueberry pie is left in the refrigerator. If the leftover pie is cut in 6 equal size, which fraction of the original pie is each slice
asked by jennifer 
PreAlgebra
Find the mean of the following data set: 25, 30, 20, 20, 25, 35, 35, 10 a. 15 b. 20 c. 25 d. 30 My Answer: b. 20
asked by Janessa 
physics
The figure below shows a collection of wires. The currents at the numbered points are: I1 = 2.4 mA right; I2 = 3.6 mA down; I3 = 0.60 mA right; I4 = 4.0 mA up; and I5 = 1.6 mA up. i. imgur. com/SCyljHG. png a. What is the current at point A (size and
asked by k 
PHYSICS HELP!
The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = 5 x 109 C placed at corner A and then at
asked by Sarah 
Chemistry
How many milliliters of 6.50 M HCl(aq) are required to react with 5.95 g of an ore containing 35.0% Zn(s) by mass?
asked by Robert 
HELP
On a cold winter day, the outside temperature is –5.0 °C while the interior of a wellinsulated garage is maintained at 20.0 °C by an electric heater. Assume the walls have a total area of 75 m2, a thickness of 0.15 m, and a thermal conductivity of
asked by amy 
Chemistry
7. A solution is prepared by dissolving 8.5 g NaHCO3 and 12.7 g Na2CO3 in 500.0 mL of water. Calculate the pH.
asked by Nick 
maths
solve 2x+3y=13 with 4x+5y=23
asked by aisha 
psychology statistics for behavioral sciences
A multiplechoice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability of guessing correctly for any question? b. On average, how many questions would a student get correct for
asked by gina 
Physics Heat
1) While Laurie is boiling water to cook spaghetti, the phone rings, and all 1.5 kg of water boils away during her conversation.If the water was initially at 15℃, how much heat must have been gained for all of it to turn into a water vapor? 2)By January,
asked by Isis 
algebra2
A farmer has 600 yards of fence. He will use some of the fence to enclose a rectangular area. He will use the rest divide the area into two congruent rectangles. What is the value of x that results in largest area? What is the largest area that the farmer
asked by regina 
Chemistry
Repost:: sorry couldn't understand it What is the concentration of C2O4^2 in a 0.370M oxalic acid solution? Ka1=5.6x10^2 and Ka2=5.1x10^5
asked by V 
Chemistry
1) What volume of 1.25 mol/L hydrobromic acid, HBr(aq) will neutralize 75.0 ml of 0.895 mol/L magnesium hydroxide Mg(OH)2(aq)? 2) a 25.00 mL sample of a nitric acid solution , HNO3(aq) is neutralized by 18.55mL of a 0.1750 mol/L sodium hydroxide, NaOH(aq)
asked by Katlyn 
Physics
A small block of mass m slides along the frictionless loop track,if it starts from rest at point p,what us the resultant force acting on it at q?
asked by Anonymous 
math
If you have a circular flower bed that has a diameter of 18 feet. How many square feet of the yard is covered by the flower bed? help please !
asked by nygeria 
Chemistry
Repost .. Saccharin is a weak organic base with a Kb of 4.8X10^3. A 0.672g sample of saccharin dissolved in 30.0mL of water had a pH of 12.34. What is the molar mass of saccharin?
asked by V 
Physics
A tire 2.0 ft in diameter is placed on a balancing machine where it is spun so that its tread is moving at a constant speed of 51 mph. A small stone is stuck in the tread of the tire. What is the acceleration of the stone as the tire is being balanced?
asked by Nikki 
chemestiry
Al2(SO4)3(aq) + BaCl2(aq) BaSO4(s) + AlCl3(aq) Consider the unbalanced equation above. A 0.680 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.530 g of BaSO4, what is the mass percent of Al2(SO4)3 in the sample?
asked by edi 
Chemistry
How many grams of C6H12O6 must be added to 0.750 kg of water to make a 1.25 m solution?
asked by Samantha 
Biology DNA
What are the components of DNA and how is the backbone of a single strand of DNA constructed? I put the components as nitrogenous base, deoxyribose molecule, and a phosphate group...I don't know the second part of the question :/
asked by Anonymous 
chem
at 84 degrees Celsius , a gas in a container exerts a pressure of 0.503 ATM. assuming the size of the container remains the same, at what Celsius temperature would the pressure be 1.20 atm ?
asked by natalee 
Physics
A rescue helicopter is lifting a man (weight = 797 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 0.711 m/s2? (b) What is the tension during the
asked by Kelly 
Physics
Heat flow question help?A brass rod with a length of 30.0 cm is placed side by side with an aluminum rod with a length of 30.0 cm and this system is placed between a hot temperature of 100°C and a cold temperature of 10.0°C. The coefficient of thermal
asked by Amy 
chemestiry
Al2(SO4)3(aq) + BaCl2(aq) BaSO4(s) + AlCl3(aq) Consider the unbalanced equation above. A 0.680 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.530 g of BaSO4, what is the mass percent of Al2(SO4)3 in the sample?
asked by edi 
business
Janet took out a loan of $50,000 from Bank of America at 8 percent on March 19, 2006 which is due on July 8, 2006. Using exact interest, the amount of Janet's interest cost is: (Points : 1) $5,018.44 $2,561.44 $5,261.44 $5,216.44 None of these
asked by Anonymous 
Chemistry
Name the organic product of the following nucleophilic substitution reaction. OH+CH3CH2I
asked by Paul 
Physics
A rescue helicopter is lifting a man (weight = 797 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 0.711 m/s2? (b) What is the tension during the
asked by Heather 
physics
You're in an auto traveling at 25.0m/s toward a pole mounted warning siren. If the siren's frequency is 365 Hz, what frequency do you hear? Use 343m/s as the speed of sound.
asked by jess 
Chemistry
Calculate the pH of a buffer solution containing 1.0 M ammonia (NH3 ; Kb = 1.8 x 105) and 1.0 M ammonium chloride (NH4Cl).
asked by Nick 
Chemistry
1. The reaction CO+2H2CH3OH was carried and it is found that only 332g of CH3Oh is actually produced when 407g CH3Oh was the expected yield. What is the Percent yield? 2. If 112g of CaO is reactied with an excess of NH4Cl and 64.0g of NH3 are produced,
asked by Nancy 
algebra
find the midpoint of the line segment with endpoints (5, _5) and (7, 9)
asked by onia 
Physics
A) With what minimum speed must you toss a 190 g ball straight up to hit the 15.0 mhigh roof of the gymnasium if you release the ball 1.70 m above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?
asked by Jenny 
chemistry
The most common source of copper (\rm Cu) is the mineral chalcopyrite (\rm CuFeS_2). How many kilograms of chalcopyrite must be mined to obtain 210.g of pure \rm Cu?
asked by Anonymous 
math
a recipe for chocolate chip cookies calls for 1 1/2 cups of flower. If you are making 2 1/3 recipes, how many cups of flower are needed?
asked by michala 
AlgebraB2
I need help with figuring out how to do these problems to get the right answer. Appreciate any help. Thanks. Multiple choice: 1. What is the value of n so that the expression x² + 12x + n is a perfect square trinomial? 6 36 72 144 2. What are the
asked by Jennifer W. 
Math
A 6 ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10 ounce package?
asked by Anonymous 
Physics
A) With what minimum speed must you toss a 190 ball straight up to hit the 15.0 high roof of the gymnasium if you release the ball 1.70 above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?
asked by Jenny 
chemestiry
Al2(SO4)3(aq) + BaCl2(aq) BaSO4(s) + AlCl3(aq) Consider the unbalanced equation above. A 0.680 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.530 g of BaSO4, what is the mass percent of Al2(SO4)3 in the sample?
asked by edi 
Physics
The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = 5 x 109 C placed at corner A and then at
asked by Sarah 
chemistry
Nitric acid can be prepared from ammonia by the following steps; 4nh3 + 5o2 = 6h2o + 4no 2no + O2 = 2no2 2no2 + h2o = hno3 + hno2 3hno2 = hno3 + 2no + h2o If all the steps take place consecutively, completely and without recycling, what mass of ammonia is
asked by Agashre 
Math
Find the median mode and range for each set of data. 1.11,18,19,20,20,23 Median=19.5 Mode=20 Range=12 2.52,56,60,67 Median=58 Mode=No mode Range=15 3.6.6,7.5,7.5,7.8,8.0 MEdian=7.5 Mode=7.5 Range=1.4 4.89,91,92,92,95 Median=92 Mode=92 Range=6 5.18,23,23,25
asked by Jerald 
statistics
The program plans to acquire a total of 600 end items costing $570 million over a fiveyear period. The first production contract is to be awarded in FY04. The number of items to be procured (not delivered) each year and their estimated cost (in thenyear
asked by CHUCK 
math
A girl 1.6 m tall, stands 3.6 m from a lamp post at night. Her shadow from the light is 0.9m long. How high is the lamp post?
asked by Chris 
physics
a 3 m long weightless beam is supported at each end by cables. a painter weighing 90 N stands 1 m from the left cable. Calculate the tension in each cable.
asked by markcampo 
algebra
The total charge for a taxi ride includes an initial fee of $2.75 plus $2.25 for every 1/2 mile traveled. Joe took a taxi, and the ride cost him $56.75. How would this be put in a equation? Show your work.
asked by syram 
basic english makeup
PLEASE HELP ME THESE THE ONLY ONES I COULDNT FIND THANK U SO MUCH 1.Which of the following is not a key consideration when developing a piece of writing? A.The timeliness of the message B.The purpose of the message C.The intended audience D.The format of
asked by Brica89 
Chemistry
1) What volume of 1.25 mol/L hydrobromic acid, HBr(aq) will neutralize 75.0 ml of 0.895 mol/L magnesium hydroxide Mg(OH)2(aq)? 2) a 25.00 mL sample of a nitric acid solution , HNO3(aq) is neutralized by 18.55mL of a 0.1750 mol/L sodium hydroxide, NaOH(aq)
asked by Krystien 
Biology
Research and discuss an event in Charles Darwins' life that lead to his theory of evolution. Events could be directly in Charles Darwin's life or could be individuals whose ideas Darwin incorporated into his work. Besides the voyage to Beagle and the visit
asked by Ashley 
chemistry
How many mL of 0.40M NaOH are need to neutralize 30.0 mL of 0.50 M H2SO4 according to the following reaction. 2NaOH(aq) + H2SO4 (aq)Na2SO4 (aq) + 2H2O(l)
asked by Sara 
PHYSICS
8) Which one of the following objects, all initially at the same temperature, will be most efficient in losing heat? a dull black box in vacuum a polished silver box in air a dull black box in air a polished silver box in vacuum
asked by amy 
English
Click on the box to choose the function of the italicized infinitive phrase. May I have permission to use the car tonight? I think its adjective.
asked by Nicole 
NJHS (essay)
hi, i'm currently applying for the national junior honor society, and i'm working on my essay. any ideas what i should include??? ps. i have no leadership experience and the section is blank! D:
asked by grace 
Chemistry
Consider the reaction CO3^2+H2OHCO3^+OH^. Kb for CO3^2 is 2.1x10^4 at 25 Celsius . What is Ka for the HCO3^ ion at 25 Celsius?
asked by V 
geometry
the perimeter of a quadrilateral is 30 cm. what is the maximum possible area of the quadrilateral.
asked by gsg 
math
A polling company took 5 polls in the week before and election. It showed that a mayoral candidate would get 66%, 56%, 55%, 60%, and 63% of the votes. That candidate received 64% of the total votes during the actual election. Find the percent error in the
asked by syram 
math
If r = 12.5 and s = −13, which of the following inequalities is not true??? 1.r≠s 2.r< s 3.r≥s 4.r≤s
asked by lina 
Math
If a 6 meter pole and a 3 meter pole are connected by wires from the top to bottom, how tall is the pole touching the intersecting wires?
asked by Mari 
Math
There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total
asked by Anne 
Chemistry
How do the following solutions show the properties of a buffer? 1) 50 ml 0.10 M NH3 + 50 ml 0.10 M NH4NO3 2) 10 ml solution #1 + 5 ml H2O + 1 ml 0.10 M HCl 3) 10 ml solution #1 + 6 ml 0.10 M HCl 4) 10 ml solution #1 + 5 ml H2O + 1 ml 0.10 M NaOH
asked by Jeremy 
3rd grade math
Benny is using base ten blocks to model 57 divided by 3. he divided the tens in to equal groups. he converted the remaining 10's in to 20 ones. then he divided 20 by 3, and put the ones into equal groups of 6, with 2 leftover. what did he forget to do?
asked by mythreyee 
Science
How do the structures of organisms compare and contrast to nonliving structures like construction cranes,ships,airplanes or bridges?
asked by Paul 
Chemistry
Given Zn(NO3)2 + (NH4)2S = ZnS + 2NH4NO3 (molar mass of Zn(NO3)2 189 g, molar mass of (NH4)2S 68 g), what is the molarity of a 250 ml solution if you have 123 g of zinc nitrate?
asked by Stephen 
STAT 250..Help!
What is the probability of randomly selecting a zscore less than z = –0.80 from a normal distribution? a)0.2119 b)0.7881 c)0.2119 d)0.7881
asked by Jane Segurra 
physics
After falling from rest from a height of 26 m, a 0.49kg ball rebounds upward, reaching a height of 16 m. If the contact between ball and ground lasted 1.8 ms, what average force was exerted on the ball?
asked by matt 
physics
n antiaircraft gun fires a 23.7 kg shell with a muzzle speed of 880 m/s. What magnitude propulsive force was necessary to attain the muzzle speed within the 5.05 m barrel? (Assume constant acceleration and neglect the Earth's gravitational effect.)
asked by Anonymous 
Math
Find the median more and range 1.20,42,45,48,50,50 Median=46.5 MOde=50 Range=30 2.6,6,8,10,11 Median=8 Mode=6 Range=5 3.94,100,103,104,105 Median=103 Mode=No mode Range=11 4.1.6,1.7,1.8 Median=1.7 Mode=No mode Range=.2 5.6,8,10,11,13 Median=10 Mode=No mode
asked by Jerald 
maths
ABC is a triangle with ∠BAC=60∘,AB=5 and AC=25. D is a point on the internal angle bisector of ∠BAC such that BD=DC. What is AD^2?
asked by Anonymous 
Physics MOMENTUM
1) A 1 kg moving at 1 m/s ha s a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined mass after the collision? 2) A 0.010n kg bullet is shot from a 0.500 kg gun at speed of 230 m/s. Find the speed of the gun.
asked by Isis 
HELP
A brass rod with a length of 10.0 cm is placed end to end with an aluminum rod with a length of 30.0 cm and this system is placed between a hot temperature of 100°C and a cold temperature of 10.0°C. The coefficient of thermal conductivities of the brass
asked by amy 
science
How much does it cost to operate a 80{\rm W} lamp continuously for a week if the power utility rate is 25 {\rm cents}/{\rm kWh}.
asked by Anonymous 
chemistry
Calculate the partial pressure of 3.25 moles of oxygen that have been mixed (no reaction) with 1.25 moles of nitrogen in a 25.0 L container of 298 K.
asked by alex 
chemistry
What is the limiting reagent in this problem? A total of 40.0 mL of 0.55 M copper (II) sulfate solution is added to a beaker containing 2.02g of zinc.
asked by brianne 
stats
A random sample of n=16 scores is obtained from a population with a mean of µ= 80 and a treatment is administered to the sample. After treatment, the sample
asked by delaney 
Physics Impulse
A 2 kg cart rolls across the floor and runs into the wall and sticks. Before the collision the cart has a velocity of 4 m/s in the x direction. The collision took place in 0.1 s. 1) What was the cart's momentum before the collision? 2) What was the cart's
asked by Isis 
life orientation
8 ways in which the environmental problem impact within south africa
asked by busisiwe 
ela
how do i get a good grade on ela comprehension multiple choice test.
asked by hibroitsmeyourbro 
Chem
Saccharin is a weak organic base with a Kb of 4.8X10^3. A 0.672g sample of saccharin dissolved in 30.0mL of water had a pH of 12.34. What is the molar mass of saccharin?
asked by V 
physics
A strong lightning bolt transfers about 26 C to Earth. How many electrons are transferred?
asked by Billy 
math
a piece of rope 3m 66 m long was cut into 2 pieces. the longer piece was twice as long as the shorter piece. What was the length of the longer piece?
asked by Xio 
chemistry
How many grams of Mg(OH)2 are needed to neutralize 55 ml of 0.25 M HCl . according to the following reaction. (show all calculations for credit) Mg(OH)2 (aq) + 2HCl(aq)  MgCl2 (aq) + 2H2O(l)
asked by Cory 
physics
Two masses of 8 kg and 12 kg are tied to each end f a string passing over a massless and frictionless pulley. find the resulting accelration of each mass.
asked by markcampo 
AP Physics
Two particles, each of mass m and speed v, travel in opposite directions along parallel lines separated by a distance d. (a) Find an expression for the magnitude L of the angular momentum of the twoparticle system around a point midway between the two
asked by Anonymous 
math
sonya spent 3/8ths of her money and had 15 dollars left what did she start with
asked by susan 
Physics
Okay so i'm having a little trouble explaining the answer to a phys lab question concerning rolling friction: Assuming that f = µN , show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is given
asked by dallas 
chemistry
if a total of 18.6 mol of NaHCO3, and 6.2 mol of C6H8O7 react, how many moles of CO2 and Na3C6H5O7 will be produced?
asked by morgan 
math
one mile is 5,280feet. i have a stride of 32inches. how many steps will i take to run a 26mile marathon?
asked by Aspire 
algebra 1
3a+b=52a+5=10use elimination to solve each systems of equations.
asked by Anonymous 
chemistery
How many grams of (NH4)2S2O3 were in the fertilizer sample
asked by dug 
STAT 250 Probability
Final averages are typically approximately normally distributed with a mean of 66 and a standard deviation of 10.5. Your professor says that the top 5% of the class will receive an A; the next 15%, a B; the next 47%, a C; the next 22%, a D; and the bottom
asked by Jane Segurra 
STAT 250 Probability
Final averages are typically approximately normally distributed with a mean of 66 and a standard deviation of 10.5. Your professor says that the top 5% of the class will receive an A; the next 15%, a B; the next 47%, a C; the next 22%, a D; and the bottom
asked by Jane Segurra 
Physics
A man seeking to set a world record wants to tow a 122000kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 95 kg, and the coefficient of static friction between his shoes and the runway is 0.74.
asked by Heather 
Physics
Heat flow question help?A brass rod with a length of 30.0 cm is placed side by side with an aluminum rod with a length of 30.0 cm and this system is placed between a hot temperature of 100°C and a cold temperature of 10.0°C. The coefficient of thermal
asked by Amy 
Chemistry
Find the pH: 1) A 0.001M solution of HCl 2) A 7.98 x 10^2 M solution of HNO3 3) 1098L of a solution containing 8.543moles of HBr 4) 120mL of a solution containing 0.005 grams of hydrochloric acid. Please help me with these four. Out of 20 questions i only
asked by Katelyn 
Math
This number is less than 200 and greater than 100. The ones digit is 5 less than 10. The tens digit is 2 more than the ones digits. What is the number ?
asked by Gideon 
CTU
assuming the economy has gotten better andthat the funds now have a return of 7.72% compounded monthly. Diane salary has risen now she can contribute $1000 a month. At the end of the next 15 yrs, how much is her account worth.
asked by Najee 
chemistry
2NOBr(g) 2NO(g) + Br2(g) and the value of Kc = 1.98, at a temperature of 282 K what is the value of Kp ? (Hint: Use the value of R in the appropriate units.)
asked by Kara 
Math
Simplify the sum 4 5 ______ + ______ M+9 M^2  81
asked by John 
Pre Calc
$1 is invested into an account that has a APR of 8% compounded quarterly. How long will it take for my money to double? To triple?
asked by Haley James 
math
Your program has an RDT&Efunded project scheduled to start in July 2005 which is expected to take 12 months to complete. The project is expected to cost a total of $12 million (thenyear dollars), with cost expected to be incurred at a rate of $1 million
asked by CHUCK 
PLEASE HELP!!!! MATH
give an example of a situation that has 8 different outcomes
asked by Anonymous 
physics
Light bulb packages will have at least two numbers on them; a power and what the potential difference across the bulb must be so that the bulb has the listed power. You go to the store and purchase two light bulbs. The package for Bulb A says 40 W in a
asked by k 
English
Are Romeo and Juliet destroyed by fate, by their own flaws, by the flaws of others, or by a combination of factors?
asked by sami doodles :) 
Physics
A man seeking to set a world record wants to tow a 122000kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 95 kg, and the coefficient of static friction between his shoes and the runway is 0.74.
asked by Kelly 
math
a class of 15 student with 5 girls and 10 boys.they are divided into 3 groups each of 5 to do different group projectA,B,C respectively .how many ways can be grouped (A)if no restriction?(B)each group has only one gender?
asked by omg 
Calculus  Optimization
The cost of fuel for a boat is one half the cube of the speed on knots plus 216/hour. Find the most economical speed for the boat if it goes on a 500 nautical mile trip.
asked by Sam 
English
Can anyone help me make a diamante poem about drums? Drums Sound Loud playing listening reading That's all I have so far. after that I have to put 2 nouns and 2 opposite nouns of the topic.. then opposite ing words... and then opposite adjectives about the
asked by Anonymous 
math
Chelsea has 3 quarters and 1 dime. James has 8 dimes. Peter has 2 quarters and 6 nickels. Denika has 10 nickels. Who has the most money?
asked by Mrs. Vargas 
northrise university
What is natural law?
asked by charles 
English III Freedom Writers
have you watched the movie Freedom Writer? can you please help me with my assignment? 1) consider the reasons why the groups have been used. 2) How this representations of different cultural groups are challenging or stereotypical? PLEASE HELP MEEE!!!!!
asked by Isis 
Physics
A certain car is capable only of accelerat ing at 3.0m/s 2 , braking (decelerating) at 5.0m/s 2 , and moving at constant velocity. The car is init ially located 100m from a road sign. The driver, starting from rest, begins to accelerat e towards the sign.
asked by George 
math
what is 14.876 rounded to the nearest hundredths?
asked by jessica 
Math
Im helping my son to find the area of a rectangle that is 7 3/8 inches and 4 inches the height. I need to know how to convert the fraction into a whole number.
asked by Lisa 
physics
Susie and Sally are seated on opposing sides of a seesaw. Sally weighs 500 N and is seated a distance of 2 m from the fulcrum (point of rotation). Susie weighs 450 N and is seated a distance of 2.5 m from the fulcrum. Who is being lifted upward?
asked by Jessica 
Spanish 2
Use a form of "ser" or "estar" to fill in the blank. Note: Only type the missing word. Do not type capital letter nor period. Tú ____ enfermo.
asked by Deanna 
physics
A train moves at a speed 72km/hr. When it approaches the station the driver brakes the train stops in 30 minutes. a) what is the value of deceleration? b) what is the duration it takes to stop?
asked by Mariam 
math
find all solutions to 4tanθ + √3 = tanθ
asked by isla 
Calculus 2
solve this differential equation: dy/dt=0.06y(600y) y(0)=10 y(t)=?
asked by Maily 
math
How do you evaluate the following: Bill has two times as many coins as Tina.
asked by Lisa 
economics
demand funtion for a commodity is=123p.
asked by jacksonterry4real 
Physics
A rectangular conducting homogeneous (which means the material is the same throughout) block has dimensions 1cm x 2cm x 3cm . A voltage V is applied between all opposite faces of the block and the corresponding currents were recorded. What is the maximum
asked by Maria 
math
draw the following and name them find missing angles... a trinagle has sides 4in,6in and 9in
asked by daeniyah 
3rd grade math
which fraction is grater than 1/3 A. 1/2 B. 1/4 C. 1/5 D. 1/6
asked by mythreyee 
mathssurface area
there is a groove which is in a cylindrical form and is made in a cylindrical piece of wood of length 17.5cm. The groove is filled with graphite and the cylindrical graphite block is of same length as that of wooden piece. If the diameter of the graphite
asked by anoynomous 
Tangent Lines (2)Calculus
find an equation of the line tangent to y= sqrt(25x^2) at the point (3,4) i got y= x/8 + 29/8 this is wrong. but im not sure why. can you explain thank you
asked by Greg 
physics
After 35 minutes of running, at the 8{\rm km} point in a 9{\rm km} race, you find yourself 200m behind the leader and moving at the same speed. What should your acceleration be if you are to catch up by the finish line? Assume that the leader maintains a
asked by Mimi 
Calculus
Use implicit differentiation to write the slopeintercept equation of the tangent line to the graph of (x^2+4)y=8 at the point (2,1):
asked by Julie 
Calculus
Use implicit differentiation to write the slopeintercept equation of the tangent line to the graph of (x^2+4)y=8 at the point (2,1):
asked by Julie 
Hess's law
I need some help with this one please... A+B > 2 D H= 765.3 kj S= 344 j/k C > D H= 521 kj S= 171 j/k calculate G at 298 K for A+B > 2C I know I need to use the formula G= HTS but I don't know how to get the numbers.
asked by Caitlin 
Physics
Four charges with equal magnitudes of 7.81 × 1012 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b.
asked by Sarah 
english romeo and juliet
I am writing an essay which has to have 3 character traits of romeo and 2 quotes to support each trait. I still need quotes for impulsive and fearless. Can you please help?
asked by erin 
accounting
due date and amount of interest due October 1 for $10,500 @ 8% for 60 days ?
asked by Bonnie 
Math
Find the difference between the perimeter of a square of area 1 centimeter square and the circumference of a circle of the same area.
asked by Emily 
algebra
Identify the property or rule that justifies each step in the calculation. 6b+(8b+7c)9c ____________________ (6b+8b)+(7c9c)_____________________ (6b+8)b+(79)c ____________________
asked by syram 
science
how can understanding matter help in the real world?
asked by Anonymous 
physics
a loaded cart, mass220kg is pulled across the ground with the force of300n acting at angle 37 degree with the horizontal. how much work is done in moving the cart 20m?
asked by christian 
Chemistry
At 122C the pressure of a sample of nitrogen gas is 0.830 atm. what will the temperature in Celsius be at 3.00 atm, assuming constant volume ?
asked by Ashley 
Spanish 2
Use a form of "ser" or "estar" to fill in the blank. Note: Only type the missing word. Do not type capital letter nor period. Ella ___ chilena.
asked by Deanna 
Math
Simplify: 5th roof of (6th root of 10 * sqaure root of 1000) or: (10^1/6 * 1000^1/2)^1/5 (^ another way of writing it)
asked by Jess 
economics
what is franchise monopoly?
asked by working hard 
vectors HELP!
determine an equation of the plane that is perpendicular to the plane x+2y+4=0, contains the origin, and has a normal that makes an angel of 30 degrees with the zaxis.
asked by nico 
English
24) how do the deaths of Romeo, Juliet, Mercutio, Tybalt, and Paris affect the way the Capulets and Montagues feel about their feud?
asked by sammie doodles :) 
HELP PHYSICS!
Four charges with equal magnitudes of 7.81 × 1012 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b.
asked by Sarah 
Algebra
Find the vertical, horizontal, and oblique asymptotes, if any, for the following rational function. T(x)=x^2/x^4256
asked by Jenn 
math
Hello, Is log_3 (5) equal to log_5 (3)? Explain your answer. Do not evaluate the logarithms. is my question. What is a surefire way to show this is false.
asked by Adam 
English
Word box abduct ambiguous balk compact confer earmark frigid implement incalculable indisputable intensive maneuver sabotage scant stealthy strapping strident thrive titanic valiant 2.At first the zebras did not notice the ____ movements of the lions
asked by Jerald 
GEOMETRY
ANGLES X AND Y ARE SUPPLEMENTARY ,AND THE MEASURE OF ANGLES X IS 24 DEGREES GREATER THAN THE MEASURE OF ANGLE Y. FIND THE ANGLE MEASURES.
asked by JOSEPH 
math
Draw a big diagram You end up with a triangle with: the horizontal side = 47 ft the side representing the leaning pole ... call it a and the angle opposite the pole side = 51° The pole makes an angle of 7° with the vertical ... so the angle between to
asked by Anonymous 
Physics
If a vehicle starts at 31 km/h and only travels 4.7m in 1.1 seconds due to deceleration, how fast is it going after 1.1 seconds?
asked by Troy 
mathsprobabilty
Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2
asked by anoynomous 
Math
Can you completely cover a 4 ft by 8 ft area with 3 ft by 3 ft tiles without cutting the tiles?
asked by Lois 
English
Word box left compact earmark frigid intensive scant strident titanic 4.When the winds begin to turn ______ in November our thoughts turn to our warm and sunny island off the coast of Florida frigid
asked by Jerald 
3rd grade math
which fraction is less than 2/5 A. 2/3 B. 3/5 C. 3/4
asked by mythreyee 
PreAlgebra
Math estimate quotient 6 1/3 divided by 3 1/7
asked by M 
English
Writeacher, I think I have one Flames Powerful red burning swooshing killing fire hot snow hail Freezing cracking slipping clear cold ice
asked by Anonymous 
Tangent LinesCalculus
a line is tangent to the curve y= (x^2 + 3)/ (x+3)^1/2 at the point where x=1. write the equation of this line i get y= 3x1 yet it's wrong. please explain thank you
asked by Greg 
Critical Points, Etc.
find the values for a, b, and c such that the function f(x)= x^3 + ax^2 + bx+ c has a critical point at (1,5) and an inflection point at (2,3). a= 6 b= 3 c= 7 i got those, but they're wrong. i'm not sure why. :/
asked by Greg 
MATH
The area of a rectangle remains unchanged when it is made 1cm shorter and 1cm wider or when it is made 8cm longer and 4cm narrower. Its area, in square cm
asked by MUKUL 
Life Orientation
investigate one enviromental and human factor that causes accidents , crises or disasters which impacts negatively on out health
asked by Nashania 
Quantum Physics
 What is QFT6 of 1/√2(0> + 3>?  What is QFT6 of 1/√2(1> + 4>?  What is QFT6 of 1/√3(0> + 2> + 4>?  What is QFT6 of 1/√3(1> + 3> + 5>?
asked by qwerty 
physics
After 35 minutes of running, at the 8{\rm km} point in a 9{\rm km} race, you find yourself 200m behind the leader and moving at the same speed. What should your acceleration be if you are to catch up by the finish line? Assume that the leader maintains a
asked by Anonymous 
Chemistry
Answer
asked by Anonymous 
Mass Media
Write a 350 to 700word email to your friend in which you detail the challenges you faced regarding the following: · Your responsibility as a journalist to provide fair, honest, and balanced coverage · How you struggled with whether your story was
asked by Abigal Coby 
mathsparallelogram
there is a man who decided to make a garden either in shape of rectangle or parallelogram in front of his house and fence it. but he chooses the rectangle shape. The parallelogram whose length is 20m and width is 14m. The cost of fencing is Rs.2000 per
asked by anoynomous 
CHEMISTRY
How do you get the concentration with buret readings? What would the concentration of HC2H3O2 (M) be? For example, Molarity of the NaOH solution: 0.2619 M Final buret reading: 31.10 ml Initial buret reading: 0 Volume of NaOH solution: 31.0 ml concentration
asked by Anna 
Biology
What was a event in Darwins life that lead him to the theory of evolution. When i googled it those were the only two that came up. And our teacher told us to not to do those
asked by Ashley 
Math
A gasoline tank contains 500 liters of gasoline. By the end of each day, 70% of the gasoline remains. When will there be less than 100 liters in the tank?
asked by Annie 
Math
What does nine less than the product of a number and 4
asked by Taija 
STAT 250..Help!
What is the probability of randomly selecting a zscore less than z = 0.80 from a normal distribution? a)0.2119 b)0.7881 c)0.2119 d)0.7881
asked by Jane Segurra 
Curriculum dev
Behavior objectives should be written about a behavior that a) is exhibited by most chlldren. B) can actually be seen. C) exhibits all five selves. D) can be evaluated using standardized test. I think a) is exhibited by most children. CAn someone give me
asked by Emily 
mathURGENT!!!!!!
for which integers will the square of the integer decreased by twice the integer produce a difference of less than 4? please answer and explain how you got the answer...please????!!
asked by don 
Chemistry
If you add 100 g of salt to 5 Kg of cooking water, how will it effect the boiling point? (molar mass of NaCl 58.5 g, Kbwater=0.51 degrees/m)
asked by Stephen 
English
choose from For example or therefore 1. Most listeners don't simply absord your message of thier own called feedback._______, when you phone a friend to say you'll be late, you may hear,"Hey, you really need to get here on time!" That is feedback. I am a
asked by jack 
Calculus
Find the absolute maximum value and the absolute minimum value, g(x)=1/8 x^2  4 x^(1/2) on [0, 9]
asked by Cam 
Physics
A flat circular coil with 103 turns, a radius of 3.96 102 m, and a resistance of 0.456 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate
asked by bbbgen 
Calculus
Find the absolute maximum value and the absolute minimum value, f(x)= (x +1 )/ (x1) on [2, 4]
asked by Cam 
Calculus
Determine the function is concave upward and where it is concave downward f(x)= x / (x+1)
asked by Cam 
English
Words left earmark strident compact Each year a portion of the school budget is ____ for the purchase of new books for the library earmark
asked by Jerald 
Ethos and Pathos
Hi, I need help with a paper I wrote on an analysis of an advertisement. This is the ad i analysed facebook.cm/video/video.php?v=176110229125188 Could someone please tell me the Ethos and Pathos for this ad ? My ethos was  The text embellishes character
asked by Ying 
college find domain and range
y= X^2 + X  500/10 and y is the number of milliliters of fuel consumed per second and X is the speed of the engine in revolutions per minute. If the engine operates between 100 revolutions per minute and 400 revolutions per minute what is the domain and
asked by lucky bee 
College Math
I need help solving these problems by using the substitution problem 2x3y=16 5x+2y=21
asked by Cam 
Harcourt Trophies Practice Book
I don't have my 5th grade harcourt trophies book with me. I need the pages 88 and 89. Is there a website I can use to print out the pages?
asked by Celest 
Math
A bag contains a set of ping pong balls numbered from 1 to 12. If you reach in and randomly pull out 3 of them, what is the expected value of the sum of the numbers on the 3 ping pong balls? Thanks :)
asked by Parul 
math
Simplify the polynomials (5g4 + 2g3 + 4g + 2) + (3g4 – 8g3 + g + 2)
asked by Boobear 
heat energy
help me convert 0.093cal/g¤c to j/kg/k
asked by sophie 
Math
If $2,000 is invested at 3% interest every 4 months, what would be the amount in the investment after 10 years?
asked by Anonymous 
math
y=2x1 how to set up to find what x is, this needs to graph as a linea equation.
asked by melissa 
Math
Is the equation sinx + cosx = 1 an identity? Why?
asked by Jenna 
Accounting 1
Red Bank Enterprises was involved in the following transactions during the fiscal year ending October 31: 8/2: Borrowed $75,000 from the Bank of Kingsville by signing a 120day note. 8/20: Issued a $40,000 note to Harris Motors for the purchase of a
asked by Megan 
geometry
Lin says that a hexagon has six sides. Chris says that it has eight sides. Whose statement is correct?
asked by Mrs. Vargas 
chemistry
why wouldn't a higher experimental ratio of HCl increase the reaction rate for synthesis of tpentyl alcohol?
asked by Anonymous 
mathsparallelogram
There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be
asked by anoynomous 
simple PHYSICS!!!
The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×10^20 m from the center of our galaxy. What is the acceleration of our sun towards the center of the galaxy in m/s^2?
asked by please..anyone help!! 
science
How do organs relate to cells and tissues?
asked by Brandon 
Physics
A flat circular coil with 103 turns, a radius of 3.96 102 m, and a resistance of 0.456 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate
asked by bbbgen 
math
harriet and harry got jobs at the bumblo gum factory as bubblegum testers. for every bubble they blow they get 50 cents. harriet blows 100 bubbles and harry blows 150 bubbles. harry says, "wow! between the two of us, we've only made 12.50 today!" what was
asked by lulu 
transport economics
how to analyse ITP
asked by keletso 
Math
If the minute hand of a big clock is 1.12m long, find the rate at which its tip is moving in centimeters per minute.
asked by Emily 
chemistry
How many Liters of a 5.00 M Zn(NO3)2 would be needed to react with 200 g of (NH4)2S?
asked by Stephen 
Math
3^x=10. Solve for x algebraically.
asked by John 
Derivative
with respect to x f(cos x) if f'(x)= 1/x find (f(cos x))' i got tan x sec x this is wrong. please explain. thank you
asked by Mary 
English
1. We will win the game against Japan. 2. We will win the game with Japan. Q1. Are both the same in meaning? Q2. What is the part of speech of 'against Japan'? Is it an adjective phrase or an adverbial phrase?
asked by rfvv 
social studies
why did the maya civilization dissapear
asked by chelsea 
Math
There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total
asked by Willow 
math
how does the no. of regions increase when another chord is added to the circle?
asked by esha 
Spanish 2
Mary es de Kansas. Mary es ____.
asked by Deanna 
Spanish 2
Juanita es de España. Juanita es ____.
asked by Deanna 
math
A school uniform consists of a shirt and a pair of shorts. A shirt costs $22. A pair of shorts costs $15. Write an expression to find the cost of supplying n students with uniforms. Evaluate the expression for 8 students.
asked by Cherie 
Math
Find the rule for a table like this. 1 3 2 5 3 8 4 9 5 10
asked by Jadyn 
English
How can we bring these topics under one essay or an article?! Spending too much time at your computer Reducing traffic in large cities Building more car parks in large cities Using public transporter instead of cars Speed limits
asked by m1m2m3m4 
physic shm
a bob of pendulum is filled with water and small hole is made on the tip,and it is moved .how will the time period change?
asked by adam 
math
There are 24 trucks and 8 cars in a parking lot. About what percent of vehicles are cars
asked by obama 
English
Which sentence uses italics, quotation marks, and punctuation correctly? (1 point) “How many r’s are there in the word February”? “How many r’s are there in the word February?” asked Ty. “How many r’s are there in the word February,”
asked by Rae 
Early childhood
Can someone check if this is correct? Of all ages, ages four year olds need the most a) challenge and variety b) love and attention c) structure and discipline d) freedom and spontaneity I think it's a or d but I think a) challenge and variety more????
asked by John 
Math
Can you completely cover a 4 ft by 8 ft area with 3 ft by 3 ft tiles without cutting the tiles?
asked by Lois 
Curriculum
Teacher intervention does NOT include a) statement of child's feelings b) seperation of all children involved c) statement of what that could or couldn't do d) simple, clear reason for restrain.. Is b) seperation of all children sound correct?
asked by Jessie 
Lang, Arts
4. Which of the following sentences is a compound sentence? A.Charlie said it’s cold outside but hot in his bedroom. B.Jared enjoys eating eggs and bacon for breakfast. C.Sierra can’t decide between the blue and the black shoes. D.Thomas is meeting us
asked by cassie 
George Carver
If the length or the triangle is 35 and the base is 53 what is the length of the other side of the triangle.
asked by Angel 
mathsarea of parallelogram
There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be
asked by anoynomous 
English
Word box compact earmark scant strident Since the time we have to prepare for the final exams is exceedingly ____ we had better make the best of every hour This one is compact or scant? I think it's compact
asked by Jerald 
Derivative
Find dy/dx for the following: 1) x^3 + 3x^2*y + y^3 = 4 I get 3(x+2y)/x^2 + y^2 it's wrong though. 2) x + y^2= xy^2 I get y^2 + 1/ 2y 2xy this is also wrong. can you explain thanks
asked by Maryanne 
Derivatives
with respect to x f(cos x) if f'(x)= 1/x find (f(cos x))' i got tan x sec x this is wrong. can you explain thank you
asked by Maryanne 
algebra
In 2000, the average family net worth was $360,000 and there were about 7.7x10^7 families. Calculate the total family net worth in 2000.
asked by Mike 
social studies
what nation is home to the gonges and indus river
asked by alyssa 
college physics
If the initial tension in the string is (2.10+/ 0.02)N, what is the tension that would double the wave speed?
asked by Anonymous 
Chemistry
How many grams of H2SO4 are needed to make a 4.50 m solution in 300 g H2O?
asked by Samantha 
simple PHYSICS!
The combination of the force of gravity and my hand provide a net force of 40 N on a ball straight up. The ball accelerates at 100 m/s^2 while it is in my hand. What is the mass of the ball in kg?
asked by please..anyone help!! 
science
How does the hierarachical organization of organisms work within a system?
asked by Robert 
math
Proving Trigonometric Identities 1. sec^2x + csc^2x= (sec^2 x)(csc^2 x) 2. sin ^3 x / sin x  cos 3x / cos x = 2 3. 1 cos x/ sin x= sin x/ 1+ cos x 4. 2 sin x cos ^2 (x/2) 1/x sin (2x) = sinx 5. cos 2 x + sin x/ 1 sin x= 1+ 2 sin x
asked by mm 
Math
In a flower box there are nine red flowers and six white flowers.there are three times as many yellow flowers as white ones.how many flowers are there in all?
asked by Pietro 
Math
Find the first five terms of the sequence using the recursive rule: a1 = 2/3, and An = 5a N1
asked by Annie 
mathematics
s=(2+3t)(5t4) find ds/dt at t= 4s/2
asked by Eric 
Maths
What is the highest power of 3 that divides 1000! (1000 factorial)
asked by Anna 
Math
What should you say when u meet and angle?
asked by Taelor 
physics
Let α⟩=1M√∑M−1j=0αjj⟩ and let β⟩=1M√∑M−1j=0βjj⟩ be its QFTM. Suppose we shift the superposition α⟩ to produce α′⟩=1M√∑M−1j=0αjj+1(modM)⟩, and let β′⟩=1M√∑M−1j=0βj′j⟩ be the QFTM of
asked by s 
Motivation and Emotion
How would the behaviourist perspective of psychology explain the motivation behind the long hours and irregular schedule resulting in sleep deprivation in dancers.
asked by Rona 
math
give an example of a situation that has 8 different outcomes
asked by Anonymous 
math
greatest no. of regions in a circle with 4 chords?
asked by esha 
trig
Sandra wants to find the height of a moutain. From her first location on the ground, she finds the angle of elevation to the top of the mountain to be 35 degrees 15 minutes. After moving 1000 meters closer to the moutain on level ground, she finds the
asked by Anonymous 
math
A triangle has angles measuring 35 degrees and 53 degrees.What is the measure of the third angle of the triangle.
asked by Angel 
PreAlgebra
Find the mean of the following data set: 25, 30, 20, 20, 25, 35, 35, 10 15 20 25 30 15 IS MY ANSWER
asked by Wendy 
algebra (checking answer)
Checking to make sure I did it right.. Remainder theorem to find the remainder when f(x) is divided by the given xk f(x)=x^34x^2+2x+4; x+2 2 x 4 2 4 1 2 4 4 1 2 2 8 2)x^34x^2+2x+4. (X^32x^22x) is the answer x^3 2x^2+2x 2x^2+4x 6x+4 2x+4 8x+8
asked by Anonymous 
algebra1
f(x)=12xsquared+56x. where x is the time in seconds after it is shot how long was the pebble in the air
asked by ff 
math
2/5 cut from 100ft rope how many feet is there
asked by Anonymous