Questions Asked on
December 11, 2012

7th gade math Ms. Sue please
1. y minus five over three= 1 (1 point) –2 8 18 6 2. 6x + 29 = 5 (1 point) –4 –18 204 –144 3. Combine like terms: –21a + 16a (1 point) –5a 5a 37a –37a Simplify the expression. 4. 9a – b – 2a – 10b (1 point) –7a + 11b 11a + 9b –11a
asked by Delilah 
chemistry 122
81) According to the following thermochemical equation, what mass of HF (in g) must react in order to produce 345 kJ of energy? Assume excess SiO2. SiO2(s) + 4 HF(g) �� SiF4(g) + 2 H2O(l) DH°rxn = 184 kJ 81) A) 173 g B) 37.5 g C) 150. g D)
asked by sean 
Consumer math
Complete the chart to find the mean, variance and standard deviation. Remember to use commas and round numbers to the nearest tenth. X _ X _ X  X _ (X  X)2 1. 900 = 466.2 = The mean is 2. 35 = 398.8 = 159,041.4 The median is 3. 500 = 66.2 = The variance
asked by yamilex 
A probability question i think
In a chess variant, a "lord" can move one space at a time, either upward, or to the right, or diagonally upward and to the right. How many ways are there for a lord to move from the bottom left to top right corner of the 8 by 8 chessboard? Thanks in
asked by Knights 
math
A $15,000 debt is to be amortized in 12 equal semiannual payments at 5.5% interest per halfyear on the unpaid balance. Construct an amortization table to determine the unpaid balance after two payments have been made. Round values in the table to the
asked by Katelyn 
Physicsplease check my work
Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the system: *FALSE 4.) A force can not exist without
asked by Gavin 
Grammarclauses
I put the underlined parts of the sentences in parentheses. William Faulkner’s The Sound and the Fury is a novel (that uses the technique of stream of consciousness). independent clause adverbial clause adjectival clause (my answer) noun clause It takes
asked by Anon 
7th grade math Ms. Sue
2. 6x + 29 = 5 (1 point) –4 –18 204 –144 9. Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point) 2.10b + 12.99 = 21.39; 4 bottles 2.10 + 12.99b = 21.39;
asked by Delilah 
7th grade math Ms. Sue please last questions
2. 6x + 29 = 5 (1 point) –4 –18 204 –144 7. 4(y – 4) = 8 (1 point) –2 2 4 6 9. Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point) 2.10b + 12.99 =
asked by Delilah 
Geometry PLEASE HELP ME
ABC has vertices A(0, 6), B(4, 6), and C(1, 3). Sketch a graph of ABC and use it to find the orthocenter of ABC. Then list the steps you took to find the orthocenter, including any necessary points or slopes you had to derive.
asked by Steven 
physics
what depth of mercury creates a pressure of 1 atm?
asked by ann 
chemistry
* A 50 gram sample of an unknown metal warms from 18 to 58 after absorbing 800 joules of energy. what is the specific heat of the metal? *copper has a specific heat of 0.387 j/g degree celsius. what is the mass of a piece of copper that undergoes a 21.0 C
asked by help 
Math 6 Help!!!
Danny poured 78 liters of water into containers X, Y, and Z. The ratio of the volume of water in Container X to the volume of water in Container Y is 5 : 2. The ratio of the volume of water in Container Y to the volume of water in Container Z is 8 : 11. a)
asked by Rod 
Physics
A skydiver deploys his parachute when he is 950m directly above his desired landing spot. He then falls through the air at a steady 5.0 m/s . There is a breeze blowing to the west at 1.1 m/s. At what angle with respect to vertical does he fall? By what
asked by Aaron 
physics
A large water tank is 18m above the ground. Suppose a pipe with a diameter of 8cm is connected to the tank and leads down to the ground. How fast does the water rush of the piper at ground level? Assume that the tank is open to the atmosphere.
asked by zoe 
Science
i posted this earlier, but no one answered. so i'll try again. Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force
asked by Gavin 
AP Physics B
system consists of a steal beam of mass M 68.4 kg and length L 1.84 m, with a 39.0kg brass sphere attached at the right end of the rod, as shown below. BA a. Determine the moment of inertia of the system for rotation about an axis through the
asked by Larry 
Chemistry
Question One Lead chloride dissolves in water according to PbCl2(s) Pb^2+ + 2Cl^ (aq) The solubility in pure water has been measured to be 4.44g . L^1 . Calculate the solubility product of lead chloride in pure water. Your answer should be in units of
asked by Odesa 
Writing
What is the predicate of this sentence,Henry and Mudge hear something.Is hear something the predicate
asked by Tim 
Calculus
A bacteria culture contains 200 cells initially and grows at a rate proportional to its size. After half an hour the population has increased to 360 cells. (a) Find the number of bacteria after t hours. (b) Find the number of bacteria after 4 hours. I
asked by toma 
physics pencil torqu
A pencil, 15.7 cm long, is released from a vertical position with the eraser end resting on a table. The eraser does not slip. Treat the pencil like a uniform rod. What is the angular speed of the pencil just before it hits the table? What is the angular
asked by naf 
Physics
To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. When the water turns to ice during the night, heat is released into the plants,
asked by Anonymous 
Chemistry PLEASE HELP!!!
'A buffer is prepared by mixing a 100.omL of a 0.100 M NH3 solution with a 0.200M solution of NH4CL solution and making the total volume up to 1.000L of water. What is the volume of NH4Cl solution required to achieve a buffer at ph=9.5? Ka of
asked by jemima 
english 3
Is this a parallel sentence? If so how can it be written more simpler. The space shuttle was both a marvel and huge.
asked by hazzel 
statistics
23 percent of all homes purchased were investments 800 homes were sold what is probability 175 of homes were for investment
asked by gail 
chemistry
The concentration of ammonium phosphate, (NH4)3PO4, is 1.60 M. What is the concentration of ammonium ions in solution?
asked by Anonymous 
Math
A gas tank is 1/4 full. Abby adds 4 gallons and now it is 5/8 full. How many gallons does the tank hold?
asked by angie 
Chemistry
N2O5 + H2O > 2HNO3 The reaction is first order in each reactant. Write the rate law for the reaction my guess rate= k[N2O5]^1[H2O]^1
asked by Cristian 
Physics
A weight is hung from the ceiling of an elevator by a massless string. under which circumstances will the tension in the cord be the greatest? smallest? a.) The elevator rises with decreasing speed b.) The elevator rises with increasing speed c.) The
asked by Maggie 
Chemistry
Thallium208 has a half life of 3.053 min. How long will it take for 120.0 g to decay to 7.50 g?
asked by Jacob 
PHYSICS
How much would the rope stretch to break the climber's fall if he free falls 2m before the rope runs out of slack? k=1.40x10^4N//m mass of man= 90 kg I forgot how to use conservation of energy for this. I tried it, but I did it wrong.
asked by cris 
PHYSICS
What force must be exerted on the master cylinder of a hydraulic lift to support wt of a 2000 kg car resting on the slave cylinder? master : 2cm diameter,slave: 24cm diameter
asked by ann 
Chemistry
what is dispersion,dipole,hydrogen bonding of HBr NH3 NaF
asked by Anonymous 
geometry
a tree grew at a 3 degree slant from the vertical. at a point 60 feet from the tree, the angle of elevation to the top of the tree is 14 degrees. find the height of the tree to the nearest tenth of a foot.
asked by Shelby 
Science Chemistry
Determine the type of bonding in each substance. a. Zinc, Zn (s) b. Propane, C3H8 (l) c. Calcium Carbonate, CaCO3 (s)
asked by Kevin 
Chemistry
Is this reaction exothermic or endothermic? Fe(NO3)3+ NaSCN
asked by Elisa 
Chemistry
A 208 g sample of sodium24 decays to 13.0 g of sodium24 within 60.0 h. What is the halflife of this radioactive isotope?
asked by Matthew 
Physics
A bubble of air, 0.010 m^3 in volume, is formed at the bottom of a lake which is 30.0 m deep and where the temperature is 8.0 C. The bubble rises to the surface, where the water temperature is 26 C and where the pressure is atmospheric pressure. What is
asked by Anonymous 
Chemistry
(a) The phase diagram of the binary system, neodymiumscandium ( NdSc ) is given below. There are two polymorphs in the solid state: alpha which is hexagonal close packed (HCP) and beta which is bodycentered cubic (BCC). Identify all phases present at
asked by Odesa 
Chemistry
If the halflife of uranium235 is 7.04 (times) 10 (to the eight power) 8 y and 12.5 g of uranium235 remain after 2.82 (times) 10 (to the ninth power) y, how much of the radioactive isotope was in the original sample?
asked by David 
English
(1)Brenda would have liked to have taken her vacation at the beach. (2) However, the weather forecast on the television called for rain. (3) Also, her fiancé, Max, wanted to vacation in the mountains. (4) After a heated discussion, Brenda and Max decided
asked by Sandia 
History
Which group felt that Peter's reforms to the Russian Orthodox Church were too much change for the Church. Holy Synod Old Believers foreigners Streltsy Serfs Cossacks Not sure maybe Holy Synod but help would be greatly appreciated
asked by John 
Chemistry
The ΔHof of gaseous dimethyl ether (CH3OCH3) is –185.4 kJ/mol; the vapour pressure is 1.00 atm at –23.7oC and 0.526 atm at –37.8oC. a) Calculate ΔHovap of dimethyl ether. b) Calculate ΔHof of liquid dimethyl ether Any idead how to calculate for
asked by xavier 
chemistry
In the "Methode Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is given below. C6H12O6(aq)> 2 C2H5OH(aq) + 2 CO2(g) Fermentation of 746 mL grape juice (density = 1.0 g/cm3) is allowed to take place in a
asked by Alex 
Math
Alyssa, Bert, and Cara are running for school president. Alyssa receives twosevenths of the votes. Bert receives sixtyfive percent of the remaining votes, and the rest of the votes go to Cara. If Cara receives 315 votes, how many votes were there in all?
asked by Chris 
physics
A simple pendulum consists of a ball connected to one end of a thin brass wire. The period of the pendulum is 2.0000 s. The temperature rises by 149° C, and the length of the wire increases. Determine the period of the heated pendulum
asked by Anonymous 
english 2
Correctly punctuate and capitalize the following: to whom it may concern in regards to the memorial day fiasco aboard your cruise ship star princess we would first like to offer our sincere apology for our part in the mishap while we do not plan on taking
asked by scotty 
Physic
A lamp filament is made of tungsten. Why do we get a continuous spectrum rather than a tungsten line spectrum when light from an incandescent lamp is viewed with a spectroscope?
asked by shelly 
Physics
Determine the minimum gauge pressure needed in the water pipe leading into a building if water is to come out of a faucet on the twelfth floor, 40m above that pipe. Pa?
asked by Melissa 
My Math
ecide whether each equation has one solution, no solutions, or infinitely many solutions. 1. 2(x – 3) = 2x (1 point) one solution no solutions infinitely many solutions 2. 3(y – 3) = 2y – 9 + y (1 point) one solution no solutions infinitely many
asked by Jenny 
english
In the third century, bands of savage barbarians repeatedly broke through the frontier defenses of the Roman province of Gaul,_________the countryside with fire and sword, and either slew or carried off the____ a. scanned..partisans b. pacified..vagabonds
asked by Doug 
Chemistry
Hi, i'm really desperate! could anyone please help me with this question, I'm stumped. 'A buffer is prepared by mixing a 100.omL of a 0.100 M NH3 solution with a 0.200M solution of NH4CL solution and making the total volume up to 1.000L of water. What is
asked by emily 
Chemistry
Question One: Comment on the solubility of hydrogen ( H2 ) in liquid ammonia ( NH3 ). State whether you expect hydrogen to be highly soluble or almost insoluble, and explain why. i)Highly soluble due to hydrogen bonding. ii)Highly soluble due to compatible
asked by Odesa 
Chemistry
If 100.0 g of carbon14 decays until only 25.0 g of carbon is left after 11,460 y, what is the halflife of carbon14?
asked by Jacob 
EnglishGrammar
Although he was born in Scotland, he became a hero of the American Revolution. simple sentence compound sentence complex sentence (my answer) compound complex sentence His ship was badly managed, but Jones refused to give up. simple sentence (my answer)
asked by Anon 
Chemistry
How many atoms of O are in 4 moles of (NH4)3PO4  6H2O? The answer is 2.41x10^25 I have no clue how to arrive at this answer.
asked by Michelle 
Physics
You are in a boat that is traveling across a river from east to west at 4.0 m/s. the river runs north at 3.0 m/s. what is the resultant velocity of the boat?
asked by Savannah 
chemistry
At a certain temperature, the Equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.500 mol of H2 and 0.500 mol of I2 were placed in a 1.00L container to react. What concentration of HI is present at Equilibrium? equation: H2 + I2 =
asked by cody 
Chemistry
In the "Methode Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is given below. C6H12O6(aq)> 2 C2H5OH(aq) + 2 CO2(g) Fermentation of 746 mL grape juice (density = 1.0 g/cm3) is allowed to take place in a
asked by Alex 
chemistry lab
When determining the molar mass of a volatile liquid by heating the liquid and then using the condensed, volatile vapor's mass, why do volatile liquids with lower boiling points give better results? Also, what effect would the formation of dimers have on
asked by anonymous 
Chemistry
Question One The fictitious compound, pandemonium fluoride ( PnF2 ) has a Ksp value in water of 3.091x10^9 M^3 at room temperature. Calculate the solubility of PnF2 in water. Express your answer in units of molarity. Question Two How would you expect the
asked by Odesa 
Writing
Need some suggestions on how to create a argumentive rough draft apa style. Just need some examples. Here is what my assignemtn reads: Post the rough draft of your Research Topic and Source Evaluation Essay. In this essay you will present the topic you
asked by Donna 
Chemistry
Potassium42 has a half life of 12.4 hours. How much of an 848 g sample of potassium42 will be left after 62.0 hours? Please help me!!
asked by Cindy 
college algebra
Question 638522: Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. For example, if you were asked to graph y= x^2+ 1 using transformations, you would show the graph of y = x^2
asked by beatrize 
Chemistry
Consider the goldplatinum system which has a value of delta w of 4250 J/mole; (a) Calculate the enthalpy of mixing for a solution of 10% platinum and 90% gold. Express your answer in units of kJ/mole. (b) Is the dissolution of 10% platinum into gold an
asked by Odesa 
maths
Find parametric equations of the line that is tangent to the parabola y = x^2 at the point (−2, 4).
asked by ramesh 
Statistics
Suppose that the population of weights of airline passengers has mean 150 lbs. and standard deviation 25 lbs. A certain plane has a capacity of 7,800 lbs. (a) What is the probability that a flight of 50 passengers will exceed capacity it? (b) If we wish to
asked by Doe 
physics
A student librarian picks up a 2.2 kg book from the floor to a height of 1.05 m. He carries the book 8.3 m to the stacks and places the book on a shelf that is 0.35 m above the floor. How much work does he do on the book?
asked by Noah 
stat
the process that produces sonora bars a type of candy is intended to pduce bars with a mean weight of 56 gm. The process standard deviation is known to be 0.77gm. A random sample of 49 candy bars yields a mean weight of 55.82 gm. Test to see wheather the
asked by christopher 
civil engineering
the propane gas tank has an inner diameter of 1500mm and wall thickness of 15mm. If the wall is pressurized to 2MPa, determine the absolute maximum shear stress in the wall of tank.
asked by andyy 
Physics
A 7.9cm diameter horizontal pipe gradually narrows to 5.9cm . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 31.0kPa and 21.0kPa , respectively. What is the volume rate of flow? in m3/s please help!
asked by Melissa 
physics
A hockey puck has a mass of 0.118 kg and is at rest. A hockey player makes a shot, exerting a constant force of 28.0 N on the puck for 0.16 s. With what speed does it head toward the goal?
asked by Noah 
biostatatistic
is it more difficult to reject a null hyputhesis if we use a 10% level of significance compared to 5% level of significance.?
asked by nono 
geometry
an Aframe house is 45 feet high and 32 feet wide. find the measure of the angle that the roof makes with the floor. Round to the nearest degree.
asked by Shelby 
Physics
A server at a diner slides a 0.521 kg root beer from the end of the counter to a thirsty customer. A force of friction of 1.32 N brings the drink to a stop right in front of the customer. What is the coefficient of kinetic friction between the glass and
asked by Asia 
Chemistry
Answer the following questions by referring to the CuAl phase diagram shown below. (a) What is the lowest temperature at which a liquid can be found in a system of any composition of CuAl ? (b) A common alloy composition used in airplanes is 4 at. % Cu 
asked by Odesa 
Accounting
which of the following is true: cash flow data is superior to earnings under the accrual basis in predicting longterm performance of an entity, earnings under the accrual basis is superior to cash flow data in predicting shortterm performace of an
asked by Judy 
special scene analysisand reconstruction
12.there are three types of pretending in children's dramatic play: pretending with regard to a role, pretending with regard to an object, and pretending with regard to an action. these three types of pretending were described by researcher? a.lev vygotsky
asked by dayna 
Physics
Rather than taking the stairs, Javier gets from the second floor of his house to the first floor by sliding down the banister that is inclined at an angle of 30.0 degrees to the horizontal. If Javier has a mass of 49.1 kg and the coefficient of kinetic
asked by Asia 
maths plse help me..
In a purse there are 20rupee notes 10rupee notes and 5rupee notes. the number of 5rupee notes exceeds two times the 10rupee notes by one. the 20rupee notes are 5 less than the 10rupee notes. if the total value of the money in the purse is Rs185 find
asked by sunil 
Chemistry HELP
A 0.75–L bottle is cleaned, dried, and closed in a room where the air is 22oC and 44% relative humidity (that is, the water vapour in the air is 0.44 of the equilibrium vapour pressure at 22oC). The bottle is brought outside and stored at 0.0oC. just
asked by xavier 
Physical Science
an object with a mass of 50kg is hurled at an acceleration rate of 30 m/s2. How much force was applied to the object?
asked by Casey 
criminal justice
Write a 1,400 to 1,750word paper in which you identify, compare, and contrast the policing function at the local, state, and federal organizational levels. Analyze how the organizational, management, administration, and operational functions at these
asked by Anonymous 
Chemistry
What is the halflife of a 100.0 g sample of nitrogen16 that decays to 12.5 g of nitrogen16 in 21.6 s? Please help me!!
asked by Matthew 
college algebra
Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. For example, if you were asked to graph y= x^2+11 using transformations, you would show the graph of y = x^2 and
asked by beatrize 
Leadership & Ethics in Healthcare
You will demonstrate your ability to apply ethics to your future career in a healthcare setting by creating a onepage statement of your professional code of ethics. This statement should clearly identify your “ethical bottom line.” Be sure that your
asked by Anonymous 
physics
Can you find the pressure exerted on the floor by the heel if it has an are of 1.50 cm^2 and the woman's mass is 55kg?
asked by cody 
Mechanics of Materials
the propane gas tank has an inner diameter of 1500mm and wall thickness of 15mm. If the wall is pressurized to 2MPa, determine the absolute maximum shear stress in the wall of tank.
asked by andy 
statistics
A tobacco company claims that the nicotine content of its "light" cigarettes has a mean of milligrams and a standard deviation of milligrams. What is the probability that randomly selected light cigarettes from this company will have a total combined
asked by Jack 
Chemistry
Carbon14 has a halflife of 5730 y. How much of a 144 g sample of a carbon14 will remain after 1.719 (times) 10 4y?
asked by David 
Boston College
Suppose that the population of weights of airline passengers has mean 150 lbs. and standard deviation 25 lbs. A certain plane has a capacity of 7,800 lbs. (a) What is the probability that a flight of 50 passengers will exceed capacity it? (b) If we wish to
asked by Doe 
physics
water is moving at a velocity of 2m/s through a hose with an internal diameter:1.60cm. What is the flow rate in liters per second?
asked by anon 
Math
A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground, to the nearest degree.
asked by Junior 
EnglishGrammar
John Paul Jones moved to America to avoid a trial that involved his handling of a mutiny. simple sentence compound sentence complex sentence (my answer) compound complex sentence
asked by Anon 
Math
Predict the number of digits in the quotient for 9,010 divided by 8
asked by Gio 
Chemistry
Carbon14 has a halflife of 5730 y. How much of a 144 g sample of a carbon14 will remain after 1.719 (times) 10 4y?
asked by David 
Chemistry
a 0.451 L solution of 1.71 ascorbic acid (ka1=7.9E5, ka2=1.6E12) is titrated with 1.35 M NaOH. What is pH when 0.9540 L of NaOH is added?
asked by Chris 
Chemistry
A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 22°C and 47% relative humidity (that is, the water vapor in the air is 0.47 of the equilibrium vapor pressure at 22°C). The bottle is brought outside and stored at 0.0°C. My
asked by xavier 
math
how can i find four equivalent expressions example: 50+225
asked by veronica 
math
Translate the following argument into symbolic form and determine wheter it's logically correct by constructing a truth table. If the team wins, then the team remains in the playoffs. If the team stays in the playoffs, then the championship is within
asked by kai 
English
I have to change the following sentence from passive voice to active voice and I'm having a hard time. Academic performance is influenced by peer pressure due to socializing negatively, lowering grades, and not staying on task.
asked by Please help me 
Chemistry
The halflife of hafnium156 is 0.025 s. how long will it take a 560 g sample to decay to onefourth it's original mass?
asked by Jacob 
Chemistry
Health regulations stipulate that the amount of arsenate in drinking water be no grater than 10 parts per billion (ppb) arsenic. If the arsenic present is arsenate, AsO4^3, what mass of sodium arsenate would be present in a 1.00 L sample of drinking water
asked by Sandy 
Algebra
During a hurricane evacuation from the east coast of Georgia, a family traveled west. For part of the trip, they averaged but as the congestion got bad, they had to slow to If the total time of travel was 7 hours, how many miles did they drive at the
asked by Leslie 
Math
The measurements of a meadow were taken at 30 ft intervals. Use Simpson's Rule to estimate the area of the meadow with the following measurements: 76 ft, 118 ft, 130 ft, 143 ft, 139 ft, 136 ft, 137 ft, 139 ft, 130 ft, 122 ft, 60 ft
asked by Savanah 
the wreck of the hesperus
what is an example in the poem for an assonance
asked by brianna 
Chemistry
Here is the phase diagram of water with attention given to phases at high pressure. Name all phases present at the markers 1, 2 and 3. Phases present at 1: Liquid I II III IV V VI VII VIII IX Phases present at 2: Liquid I II III IV V VI VII VIII IX Phases
asked by Odesa 
Chemistry
The solubility of the fictitious compound, administratium fluoride ( AdF3 ) in water is 3.091x10^4M . Calculate the value of the solubility product Ksp .
asked by Odesa 
Math
State the range of the function: f(x) = 5ex + 1 A) (0, ∞) B) (1, ∞) C) (1, ∞) D) (∞, ∞)
asked by Junior 
biostatistic
is it true that it is more difficult to reject a null hyputhesis if we use a 10 %level of significance compared with a 5% level of significance?
asked by nono 
physics torque i think please help
Three joggers are running along straight lines as follows: Jogger A, with a mass of 55.2kg, is traveling along the line y=6.00m at 3.45 m/s in the positive xdirection. Jogger B, with a mass of 62.4kg, is traveling at 4.23 m/s along the line x=3.00m in the
asked by naf 
Math
What is the simple interest on a loan with a principal of $6,000, an interest rate of 7.39%, and a term of four years?
asked by Sarah 
Physics
Suppose you put a 100 W light bulb in a container of water and use it to heat the water. How long would it take to raise the temperature of a gallon of water at 25 C to 90C? Please explain!
asked by Kpang 
math
What is the value of x if the perimeter of a rectangle is 38cm.?
asked by Monica 
Geometry B
A solid has 10 faces: 4 triangles;1 Square; 4 hexagons; and 1 octagon, how many vertices does the solid have?
asked by Makayla 
CAP hemistry
When determining the molar mass of a volatile liquid by heating the liquid and then using the condensed, volatile vapor's mass, why do volatile liquids with lower boiling points give better results? Also, what effect would the formation of dimers have on
asked by Nari 
Physics
MultipleConcept Example 11 deals with a situation that is similar, but not identical, to that here. When 4620 J of heat are added to a 0.194mlong silver bar, its length increases by 6.14 x 103 m. What is the mass of the bar?
asked by Anonymous 
Chemistry
If the halflife of uranium235 is 7.04 (times) 10 (to the eight power) 8 y and 12.5 g of uranium235 remain after 2.82 (times) 10 (to the ninth power) y, how much of the radioactive isotope was in the original sample?
asked by David 
calculus
The region A is bounded by the curve y=x^25x+6 and the line y = x + 3. (a) Sketch the line and the curve on the same set of axes. (b) Find the area of A. (c) The part of A above the xaxis is rotated through 360degree about the xaxis. Find the volume of
asked by kchik 
physics
A plank with m=0.12 kg and 50cm long has one mass of m1=0.11kg sitting on one end and a m2=0.055kg at the other end. Where should the pivot point be to balance the plank?
asked by Betsalel 
Geometry
A 38 foot tree casts a 16 foot shadow what is the angle of elavation of the sun to the nearest degree?
asked by Shelby 
stat
A sample consists of the following data 7,11,12,18,20,22,25. What is the sample variance?
asked by christopher 
EnglishGrammar
After the war, American shipping became vulnerable to attacks by pirates. simple sentence (my answer) compound sentence complex sentence compound complex sentence
asked by Anon 
physics
An object is placed 3cm in front of a diverging lens of focal length of 6cm. the heihgt of the object is 1.5 cm. calculate the image distance and height of the image
asked by hunaa physics 
Precalculus
This is for solving exponential/logarithmic functions: (This is a base e Logarithmic function I would assume): e^(4x)/10 =4^x2 ? I understand the properties of logs for the most part, but I have a hard time figuring out the stepbystep process on how to
asked by Sarah 
sociology
which sociological approach focuses on the macrolevel and would tend to view inequality in gender as central to behavior and organization?
asked by joe 
Chemistry
Chromium48 has a short halflife of 21.6 h. How long will it take 360.00 g of chromium48 to decay to 11.25g. Please help me
asked by Cindy 
Biology
I need to answer the question Describe a series of small habitats that exist within 10 to 20 kilometers of your house and which might be subject to MacArthur and Wilson's theory of island biogeography. How do I know what small habitats exist around my
asked by Kayla 
chemistry
a gas occupies a volume of 5.00L at 27 degreesC and 742 mmHg. if the volume is held constant and the temperature is increased by 2 degreesC, what is the final pressure of the gas?
asked by Nessa Marie Mejares 
physics
An object is placed 3cm in front of a diverging lens of focal length of 6cm. the heihgt of the object is 1.5 cm. calculate the image distance and height of the image.
asked by hunaa 
physics
A rule of thumb for automobile collisions against a rigid barrier is that the collision lasts about .11 seconds, for any initial speed and for any model of automobile. accordingly, the deceleration experienced by an automobile during a collision is
asked by kate 
ENGLISH II HEEELPPPP
Is this sentence a parallel, if so how can you write it mor simpler? Fire can be friendly or a foe, depending on the situation.
asked by nicole 
chemistry
If the 12.5ml of NaOH solution is required to react completely with 0.300g of KHP (Potassium Hydrogen Phthalate, 204.2g/mol). What is the molarity of NaOH?
asked by paul 
Statistics
Fire department response time is the length of time it takes a fire truck to arrive at the scene of a fire starting from the time the call was given to the truck. Response time for Gabble Fire Department follows a mound shaped and symmetric distribution.
asked by Ivana 
ASD
the reaction a + b gives c+d is studied in a one litre vessel at 250 celsius. the initial concentration ?
asked by ASD 
geometry
an Aframe house is 45 feet high and 32 feet wide. find the measure of the angle that the roof makes with the floor. Round to the nearest degree.
asked by mariah 
chemistry
The theoretical yield of a reaction is 78.5 grams of product and the actual yield is 66.3 grams. What is the percent yield?
asked by Anonymous 
statistics
Variable N Mean StDev SE Mean 95% CI Sleep 20 6.950 1.572 0.352 (6.214, 7.686) Give me the interpre the 95% confidence interval fir the hours of sleep a student gets.
asked by Anonymous 
math
Two lookout stations, which are 25 miles apart along the coast on a northsouth line, spot an approaching yacht. One lookout station measures the direction to the yacht at N 33degrees E, and the other station measures the direction of the yacht at S
asked by kai 
Physics
At the bottom of an old mercuryinglass thermometer is a 43mm3 reservoir filled with mercury. When the thermometer was placed under your tongue, the warmed mercury would expand into a very narrow cylindrical channel, called a capillary, whose radius was
asked by Anonymous 
Chemistry
All isotopes of technetium are radioactive, but they have widely varying halflives. If an 800.0 g sample of technetium99 decays to 100.0 g of technetium99 in 639,000 y, what is its half life
asked by Matthew 
Chemistry
If the half life of Iodine131 is 8.10 days, how long will it take for 120.0 g to decay to 7.50g?
asked by Jacob 
maths plse help me..
A man drives fom the origin to his destination in his car at the speed of 24km/hr and reaches 5 minutes late.Next day he drives from the same origin to the same destination with a speed of 30km/hr and reaches 4 minutes early.Find at what distance is the
asked by angad 
Calculus
lim x>2 (((1/(sqrt(2+s))1)/(s+1))
asked by John 
Biostatistic
A study is conducted in a patient with HIV.Lower CD4 count is associated with advance disease. A researcher is interested in the association between vitamin supplement and CD4 count.A MULTIPLE REGRESSION ANALYSIS is performed relating CD4count to the use
asked by nono 
biostatistic
is it true that sample size required to detect an effect size of 0.25 is larger than the sample size required to detect an effect size of 0.05 with 80% power ansd a 5% level of signisicance?
asked by nono 
7th grade language arts last Ms. Sue please
19. Which of the following shows the correct punctuation? (1 point) Wow that was close! Oops! I think I left your book at home. Well! Of course she didn't mean it. Ouch, this really hurts. 20. Identify the demonstrative adjective in the following sentence:
asked by Delilah 
physics
suppose that a seatbelted mother riding in an automobile holds a 10 kg baby in her arms. the automobile crashes and decelerates from 50km/h to 0 in .1 s. what average force would the mother have to exert on the baby to hold it?? do you think she can do
asked by kate 
Geometry PLEASE HELP ME
What is the range of possible values for x? The diagram is not to scale. Quadrilateral ABCD with diagonal from vertex B to vertex D. Sides AB and BC are congruent. Side AD is 22 units. Side DC is 30 units. The measure of angle ABD is given by 2x. The
asked by Steven 
8TH GRADE ENGLISH
we are working on using verbs correctly, so is this sentence correct? (u either use:sit,sat, or set): The newspaper SAT on the table all afternoon last Sunday. is this correct?
asked by giavana 
Physics
At the bottom of an old mercuryinglass thermometer is a 43mm3 reservoir filled with mercury. When the thermometer was placed under your tongue, the warmed mercury would expand into a very narrow cylindrical channel, called a capillary, whose radius was
asked by Anonymous 
Physics
A solid block of water (m = 10 grams, Ti = 4 degrees Celsius) is shrink wrapped in an ultra thin super plastic (that has absolutely no effect on the interaction between its contents and the surrounding environment) and is placed as ammo inside a spring
asked by Darlynn 
Chemistry
The equation for photon energy, , is where = 6.626×10−34 (Planck's constant) and = 3.00×108 (the speed of light). What is the wavelength, , of a photon that has an energy of = 3.99×10−19 ? How do go about solving this? I multipled the constant w/
asked by Trina 
biostatistic
Is this statement true or false: when calculating correlation coefficient between two continous variables, the scale on which the variables are measured affect the value of the correlation coefficient.
asked by nono 
maths plse help me..
if 16 men can build a road of 9 km in 3 days then how many men can build 21 km road in 5 days.
asked by angad 
Physics
Assuming the fluid has a density of 1.00 (g/cm^) at what height h should the bottle be placed so the liquid pressure is 38mmHg ? B.At what height h should the bottle be placed so the liquid pressure is 460mmH_2O ? C.If the blood pressure is 18 {mmHg}
asked by Melissa 
math
To use card A, the cost is $1.00 to connect and then $0.04 per minute. To use card B, it costs $0.65 to connect and then $0.06 per minute. For what number of minutes does it cost the same amount to use each card for a single call?
asked by Anonymous 
English
What are the dependent and independent clauses in the following sentences? When the campfire was burning steadily, all the campers sat on the ground around it, and someone began to tell a scary story. After he had been in the house for an hour or so, he
asked by John 
Language
Hi! So I am having a hard time in Chinese class. Paying Attention that is. My teacher lets all the students goof off, and it's hard to pay attention. She doesn't care if we are on our phones, so it's a BIG temptation. I know that if I payed attention in
asked by Emma 
Physics
On the moon the surface temperature ranges from 395 K during the day to 1.02 x 102 K at night. Convert these temperatures to the Celsius and Fahrenheit scales. (a) 395 K in degrees Celsius; (b) 395 K in degrees Fahrenheit; (c) 1.02 x 102 K in degrees
asked by Anonymous 
algebra
i have 8 yards of fabric. how many yards of fabric will i have left over if i made 3 small costumes with 2 5/8 yards
asked by charlie 
calculus
find all discontinuities (16x/2x38x3=0)
asked by brianna 
Urgent Please helpSustainable Urban Infrastructure
What would be the range of impact of an individualized travel marketing program that covers 200,000 workers in Denver by 2022? The program would inform workers about mass transit options. Assume each worker drives 17.5 miles one way, 5 days a week with an
asked by Mekki 
Finance
Michigan Corporation purchased a new truck on January 1, 2013 for $55,000 cash. Michigan estimated salvage value of $10,000 at the end of the useful life of 5 years. On January 1, 2015 Michigan had to replace the engine of the truck paying $4,500 cash. Due
asked by Renee 
calculus
The line y+x=9 intersects the curve y=x^22x+3 at the points P and Q . (a) Find the coordinates of P and Q . (b) Sketch the line and the curve on the same set of axes. (c) Calculate the area enclosed by the line and the curve.
asked by kchik 
math
a 27 inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 5 times as long as the first piece. If x represents the length of the first piece, find the length of all three pieces.
asked by mandy 
College Statistics
What would be the range of impact of an individualized travel marketing program that covers 200,000 workers in Denver by 2022? The program would inform workers about mass transit options. Assume each worker drives 17.5 miles one way, 5 days a week with an
asked by Mekki 
college physics
a large cuckoo clock has a pendulum with a period of 1.0 sec. The clock loses 10 min a day. how would you fix it? (Hint: change l) a. Find the length l of the pendulum. b. How much adjustment in l, up or down, is needed?
asked by Kpang 
7th grade language arts Ms. Sue please
14. Identify a prepositional phrase in the following sentence from the story: "If we don't play today, and we lose in the playoffs next week, we'll have played exactly half of a ten game schedule." (1 point) in the playoffs if we don't we'll have played
asked by Delilah 
maths plse help me..
In a purse there are 20rupee notes 10rupee notes and 5rupee notes. the number of 5rupee notes exceeds two times the 10rupee notes by one. the 20rupee notes are 5 less than the 10rupee notes. if the total value of the money in the purse is Rs185 find
asked by snigda 
Buisness Law
In Reno v. Condon, Attorney General of South Carolina, the case in the book addressing whether Congress could prohibit states from selling personal information of citizens without consent, the U.S. Supreme Court ruled that: a. The Driver’s Privacy
asked by KATHY 
math
if i roll adie 30 times which no will come up the most
asked by jabarie 
AP us history
I have the answers will you just tell me if I'm right? This is for my final study guide. The Compromise of 1850 affected which states an/or Territiries? A. Texas, New Mexico, California B. Utah, Texas, California C. CALIFORNIA, OREGON, AND MISSIOUR D.
asked by Andrea 
Chemistry
The fictitious compound, pandemonium carbonate Pn(CO3)2 hase a Ksp=3.091x10^9M3 in water at room temperature. Calculate the solubility of Pn(CO3)2 in an aqueous solution of 1.11 M pandemonium sulfate Pn(SO4)2 (aq) . Express your answer in units of
asked by Odesa 
math please help imedietely
What is the answer to 9:3::49:?
asked by Anonymous 
physics
In another solar system, a 100,000 kg spaceship and a 200,000 kg spaceship are connected by a motionless 90 m long tunnel. The rockets start their engines at the same time, and each produces 50,000 N of thrust in opposing directions. What is the system's
asked by Anonymous 
chemistry
2NaClO2> 2NaCl + 3O2 if 3.85 grams of NaClO3 react, how many moles of O2 are created?
asked by Kai 
Spanish..
You did not answer the question completely though. So for the phrase "estoy bebiendolos" where is the accent placed? Don't you have to add an accent when the direct object is attached at the end of a progressive tense?
asked by Anonymous 
biostatistic
I am sorry, I do not know how one question is printed so many times. There was some problem in submission of question and when it is submitted, it is printed so many times.
asked by nono 
Reading/language arts
Can someone help me with this. Create 1 sentence with these words KEEN, FURIOUS, AGONY, CRUELTY, MOLES, DWELL. It must make sense.
asked by Gigi 
psychology
what does it mean mind over matter?
asked by sherry 
Physical Science
How much force is required to give a 500kg crate an acceleration of 2 m/s2 on an icy surface without friction?
asked by Casey 
John
Is the following simple, compound, comples, or compound complex sentences? The shopping mall has a store that sells nothing but clocks. The governor chose the best people whom we could find for the committee; Mr. Dobbs was appointed committee chairman.
asked by Jason 
Algebra
I solved the inequality and now I have to graph and shade it in. Y
asked by Emma 
Chemistry
What is the density of 3.40 liters of hci
asked by Alice 
Physical Science
Greyhounds can accelerate at 7/m/s2 at a start of the race . How much force does it take a 35 kg dog to produce this acceleration?
asked by Casey 
physics
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. The girl, boy and the sled have a mass of 160 kg. The coefficient of static friction is 0.28 and the coefficient of kinetic friction
asked by Anonymous 
american history
During the Great War, the Food Administration was headed by
asked by carlos 
GRAMMAR
WRITE AN ARTICAL ABOUT CALIFORNIA GOLD RUSH
asked by MARCUS 
problem solving
You purchased 18 karat gold chain that weights 15 grams. How much gold did you purchase in grams? In carats? (1 carat=0/2 grams)
asked by ben 
PHYSICS
If it take a force of 10,000N to accelerate a car with a mass of 1250KG at a rate of 6m/s^2, what is the force of friction acting against the car?
asked by Jared 
Physical Science
Bill hit a ball with an acceleration of 40 ms2.The mass of the ball is 0.5kg. What is the force?
asked by Casey 
Science/Biology
True or False. The volume of the lungs is the most important factor in determining their efficiency.
asked by Arielle 
3rd grade math
Enzo and Eric are sharing a pie. If Enzo eats 1/3 of the pie and Eric eats 1/5 of the pie, is there more than 1/2 of the pie remaining?
asked by Shal 
math
Give the numbers of elements in the regions marked I, II, III, IV, V, VI, VII, VIII in the figure. U = 300, A = 30, B = 18, C = 16 A¿B = 4, A¿C = 3, B¿C = 6, A¿B¿C = 2 Give the numbers of elements in the regions marked I, II,
asked by Reggie 
Health
What are the six types of nutrients?
asked by Maryam :) 
PreCalc
Two lookout towers on Mount Abraham and Snow Mountain are 29 miles apart. A fire warden in each tower sees a forest fire. From Mount Abraham the angle formed with the line of sight to the fire and the line of sight to the other tower is 44 degrees. From
asked by Allan 
PHYSICS ~so confused~
so i'm going to try my hardest to type this out. which of the following system of forces provides the block the highest net force? a.) 11N>[box][box][box][box]
asked by Gavin 
physics
a ball is thrown vertically upward at a speed of 45 m/s. how long does it take to return to the ground?
asked by josh 
english
I had an assignment to read a story and the assignment is to write the thesis of the story. where would I find it?
asked by Taylor 
Chemistry
Consider a 0.71 M solution of each of the following salt dissolved in distilled water. Will the solution by basic, neutral, or acidic? KI= NH4NO2= (CH3CH2)3NHNO2= (CH3CH2)2NH2ClO4=
asked by Chris 
math
dicks had a 1 day sale. the original bike price was $325. on sale the same bike was $276.25. what is the percent reduction for this sale?? thxx
asked by Raj 
ENGLISH
Do you know any websites that might help with the 6 troublesome verbs: sitsat,lielay, riseraise,...
asked by giavana 
chemistry
write the reaction of propanal reacting with: CH3CH2NH2 and CH3MgClthen H2O/H+
asked by Anonymous 
trigonometric problem
Point A and B are on the same horizontal line with the foot of a hill and the angles of depression of these points from the top of hill are 32° and 22° respectively. If the distance between A and B is 80 meters, what is the height of the hill?
asked by Anonymous 
5th grade math (word problems)
sorry,but I don't understand word problems  like what formula/expression to use. Here's the 1st problem: Rob practiced 3/5 of his music in 25minutes. About how long does it take to practice all of his music? I know that Rob has 2/5 left of music to
asked by Alex 
Math
Need an expression for width of a rectangle is 3 less than triple the length
asked by Bren 
Concrete on different temperature?
if a section of concrete is poured for a road and the engineer leaves no gap between sections poured before and after the section in question , what will happen to concrete if the temperature varies from 0 C to 40 C ? Assume that the initial temperature of
asked by andy 
SAT Prep (Algebra)
If f(x) = 8x, neg 2 squared + 4x, 0 squared + 2x squared, what is the value of F(1/2)
asked by Coral 
statistics
A tobacco company claims that the nicotine content of its "light" cigarettes has a mean of milligrams and a standard deviation of milligrams. What is the probability that randomly selected light cigarettes from this company will have a total combined
asked by Jack 
chemistry
hey guys need some help here!!! if 0.250mol of CO and 0.250mol of H2O were combined in a 125mL flask and the reaction allowed to reach equilibrium . Kc= 1.56. write the equ expression and calculate each substance Co(g) +H2O(g) .... Co2(g) +H2(g)
asked by Anonymous 
comparing fractions
15/16 greater,less than or equal to 3/8
asked by jr 
statistics
6. Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were to take a sample of 25 students, what is the probability that the mean number Facebook friends in the sample will be 190
asked by pat 
math
how to you find the perimeter of a octagon with side length 7.2cm
asked by taliah 
Physics
A 3 m long lever is used to lift a mass of 500 kg. If a force of 200 N is to be used to life the mass, then how far from the mass should the fulcrum be placed? Assume the mass and the force act at the ends of the lever.
asked by Colby 
English
My dad and i talked to my aunt last night. underline the compound word and circle any subject pronouns.
asked by Bhagos 
English
Which sentence used an adverb to answer the question “where”? A. When in a hurry, Maggie walks rapidly B. Mary left Davenport yesterday. C. Dwayne searches the want ads daily. D. John said, “I’ve decide that I’m going away.” I think the aswer
asked by Sandia 
High School English
How did The Masque of the red death show evil? Ive read it over and over and cant seem to find evil no where in this story.
asked by Ana. 
law
Agile Corporation borrows $1 million from Hi Finance Company (HFC). Agile signs a financing statement that describes the collateral, its inventory and proceeds, and HFC files the statement in the appropriate state office. Using the same collateral, Agile
asked by Anonymous 
math
A blue light every 30seconds. A red light blinks every 40seconds. If both lights blink at exactly 1:00pm, at what time will they blink at the same time again?
asked by Aisha 
math
Determine whether the following argument is correct. If it's not correct, explain what is wrong with ther argument and change the minor premise to make a correct argument. If a triangle is equilateral, then it has three equal sides. Triangle ABC doesn't
asked by kai 
chemistry
A 1.252g sample containing iron dissolved and converted to Fe followed by ADDITION OF 25ML OF 0..01m K2CR2 07. THE EXCESS K2CR207 REQUIRED 6.85ML OF 0.015m SN2+. Find the percentage fe3 04 fw 213g/mol in the sample. Who helps me
asked by Fai 
Biostatistic
A study is conducted in patient with HIV. Lower CD4 count is associated with advance disease. The researcher is interested in finding out the relation between supplement vitamins and CD4 count. A multiple regression analysis is performed relating CD4 count
asked by nono 
maths plse help me..
find 6 no.s between 2/3 and 6/7.
asked by Anamika 
Adv. Geometry
5. Find the area of the regular hexagon.
asked by Taylor 
Math
A highway construction warning sign blinks on and off. In all, the sign is on for 0.88 of each minuite. For how many seconds is the sign on in 5 minutes?
asked by Lance 
Spanish
Where is the accent? And what is the rule for placing the accent? Estoy bebiendolos.
asked by Anonymous 
physics
A person exerts a force of 6.0 N at a point which is 90 cm from the hinged side of a door. If the torque is 5.2 N m then determine the angle between the force vector and the line that runs directly from the point to the hinged side.
asked by john 
Physics
You have a circular table. You measured its radius to be 10 cm with an uncertainty dr =+/ 3mm. The area would be A +/ a cm^2. a. What is A? b. What is a?
asked by Kpang 
Physics
You have a circular table. You measured its radius to be 10 cm with an uncertainty dr =+/ 3mm. The area would be A +/ a cm^2. a. What is A? b. What is a?
asked by Kpang 
Chemistry  solubility, not "Methode Champenoise"
Is CO2 soluble in ethanol? I know that CO2 is nonpolar, so that means it's soluble in nonpolar solvents, but CO2 is soluble in H2O. H2O is polar. Also, if CO2 were obeying Henry's Law, would it be soluble in ethanol at a high pressure?
asked by Alex 
Math
13 25 19 32 66 22 19
asked by Pelon 
PHYSICS
how far will a 1000kg car travel in 10 sec if it is accelerated from rest by a force of 5000N
asked by Dave 
math
12/25 x 5/21 in simplest form
asked by Anonymous 
Chemistry
Compute the volume of helium at 1.0 atm and 298 K that will be collected if 2.5 g of 222Rn is stored in a container able to expand to maintain a constant pressure for 15 days. Assume that 222Rn decays to 218Po with a halflife of 3.824 days.
asked by Sandy 
maths plse help me..
two adjacent sides of a parelellogram are 24 cm and 18cm .if the distance between the longer side is 12 cm then the distance between the shortest side is
asked by angel 
math
what percebt of total population is found betweenthe mean and the zscore, assume z=2.57
asked by jacque 
7th Grade Literature
Could someone please give me some examples of the following peices of grammar? modifiers articles prepositions interjections Thank you very much!
asked by Jessie 
English
Check? These right? 1. In the bitter cold, (he, him) and Dad struggled to save the orange crop. In the bitter cold, he and dad struggled to save the orange crop. 2. (Her and me, She and I) have joined the Shutter and Lens. She and I have joined the Shutter
asked by Victoria 
math ALG 2!
5 examples of what you find slope to be
asked by tyneisha 
Physics
I'm also stumped by this one: 3. A bimetallic strip (117 cm by 1 cm by 0.01cm) has aluminum (a = 23x10^6 1/Celsius) on one side and has steel (a= 12x10^6 1/Celsius) on the other. It is perfectly straight at room temperature (20 celsius). What change in
asked by Darlynn 
calculus
I need help solving the following problem. Could someone please help me and explain how to work the equation. Thanks in advance. [intergral x sqrt3x dx I hope this makes sense
asked by Jedidiah 
math
Given that h(x) =x+1/x2 and g(x)=4x. Find hg(x) and find gh(x)
asked by lindsay 
Introduction to High School
All of the following are characteristics of an effective study environment EXCEPT: A. a relaxing area such as your bedroom B. comfortable and balanced temperature C. ample amounts of natural light D. a deck stocked with supplies
asked by Lisa 
physics
A lawn roller is pushed across a lawn by a force of 103 N along the direction of the handle, which is 22.5° above the horizontal. If 63.0 W of power is developed for 90.0 s, what distance is the roller pushed?
asked by Noah 
math
What is the answer to 9:3::49:?
asked by Anonymous 
math
what does the algebraic expression 6/[9+r] mean
asked by james 
ENGLISH HELP!
we are working on using verbs correctly: (we have to use either rise or raise): Esther BLANK a good point yesterday's meeting. please help me fill in the BLANK
asked by giavana 
Math
Mr. Winter bought four packages of ground beef. The second package weighed three times as much as the first, and the third package weighed half as much as the second. The fourth package weighed fifteen ounces, which was three ounces more than the third
asked by Cookiemonsterxx 
math
mr lee's garden is square shaped. he planted 100% of it. 1/3 of it was carrots. 1/3 of it was tomatoes. The remained 48 square feet was filled with melons. What is the length of mr lee's garden?
asked by reece 
Math
Need some help with this problem. If you have a cube that is made up of 27 individual cubes. The entire cube has 3 length, 3 width, and 3 height if you take one cube away from each of the 8 vertices, what is the surface area of the cube? thanks
asked by Brandi 
math
find the range of the following sets of numbers: 247, 562, 498, 149, 568, 327, and 470.
asked by tim 
math
When y = 3, which of the following is FALSE? A. y is prime and y is odd B. y is odd or y is even C. y is not prime and y is odd D. y is odd and 2y is even
asked by Buster 
English
Can some one check these? Sentence structures ; 1. In the bitter cold, (he, him) and Dad struggled to save the orange crop. My answer: Him 2. (Her and me, She and I) have joined the Shutter and Lens. My answer: she and I 3. Phil showed Danny and (I, me)
asked by Victoria 
3rd grade language
Circle the verb in each sentence. then think of an exact verb to make the sentence more interesting. rewrite the sentence using your exact verb. 1. One night, Zia concetta goes to the statue. 2. The giant statue moves off the pedestal. 3. the statue's
asked by mythreyee 
physical Science
How much force is required to give an object with mass of 20kg an acceleration of 12m/s2 ?
asked by Casey 
Chemistry
The pressure of a 27o mL sample of gas is 102 kPa. What would be the pressure if the volume were increased to 378 mL?
asked by Annaisabel 
English 8R  Project Help!
Slow Pace I can't put it into a definition, please help. This is for my rural area project (I already explain it to you before).
asked by Laruen 
math
Stephanie has $67 to spend at a store. The store currently has a sale where the sale price is 23% off the marked price. What is the highest marked price that Stephanie can afford? (Round to the nearest cent, or hundredth of a dollar.) can you please show
asked by anne 
7th grade language arts Ms. Sue please
21. 14. Identify a prepositional phrase in the following sentence from the story: "If we don't play today, and we lose in the playoffs next week, we'll have played exactly half of a ten game schedule." (1 point) in the playoffs if we don't we'll have
asked by Delilah 
Precalculus
More log/exponential equations log2 x + log2(x+2) =3
asked by Sarah 
Precalculus
log3 (x+1)  log3 (x3) = 2
asked by Sarah 
math
eva wanted to find the quotient of 32 divided by 4. she started at 32 on the number line and counted backwards by 4. how does this give her the correct answer of 8
asked by mythreyee 
chemistry
SOCl2 + C4H6CaO4 ¨
asked by Cameron 
Math
A souvenir mug sells for 8 dollars. Kendra gives the clerk 9 dollars and receives 56 cents. what is the sales tax rate? Thx!
asked by Raj 
math
how do you find the perimeter of an rectangle with sides 24 ft and 17 ft?
asked by taliah 
Physics
A 3 m long lever is used to lift a mass of 500 kg. If a force of 200 N is to be used to life the mass, then how far from the mass should the fulcrum be placed? Assume the mass and the force act at the ends of the lever.
asked by Colby 
math
one tenth of my money is 2.45.how much money have i ?
asked by math 
Math
observe the first 3 sets of numbers to determine the missing value in the fourth set: (5,23,12,16) (1, 39,14,52) (17,47,42,12) (25,?,11,31)
asked by Sherpa 
8th Grade Science
Label these reactants and products: 3Fe + 2 O2> Fe3O4
asked by William 
Human Services
Mandie a new social worker in a residential treatment facility for adolescent teens, notices a disparity between the privileges given to the white residents as opposed to the American African residents. Since she is new, she begins to ask subtle questions
asked by Theresa 
physics
A small girl and boy take a sled up to the top of a snow covered slope which is inclined 30 degrees above the horizontal. The girl, boy and the sled have a mass of 160 kg. The coefficient of static friction is 0.28 and the coefficient of kinetic friction
asked by Anonymous 
Science
What is the most common state of matter?
asked by JACKSON 
ece
1.wich of the following dramatic play behaviors are most typical for a 2year old child? a.uses realistic props,and repeats routines over and over. b.prefers exciting and dangerpacked themesfor play. c.plays in groups of one gender, with lots of dialogue.
asked by samantha 
science
where does bonding occur in an atom?
asked by JACKSON 
science
how are the elements on the periodic table organized?
asked by JACKSON 
math
write the fraction that names the number of days in the week that have a total of 6 letters
asked by cas 
science
what is an isotope?
asked by JACKSON 
science
what is an ion?
asked by JACKSON 
Science
what is the most common mineral?
asked by JACKSON 
math
If f(x)=2x+1/x3 and g(x)=1x/2 Show that f(g)(x)=g(f)(x)
asked by lindsay 
math ALG 2! EASY QUESTION
5 examples of what you find slope to be
asked by tyneisha 
Science
why have the jet streams moved north because of global warming?
asked by Anonymous 
Math
For f(x) = 1/2sin2(x90°) What are the transformations? The 1/2 means a vertical compression by a factor of 1/2 And (x90°) means there's a phase shift right 90° But what does the 2 mean? The one immediately left to the (x90°). Does it mean a
asked by Crystal 
Math
13 25 19 32 66 22 19
asked by Pelon 
physics
suppose that a seatbelted mother riding in an automobile holds a 10 kg baby in her arms. the automobile crashes and decelerates from 50km/h to 0 in .1 s. what average force would the mother have to exert on the baby to hold it?? do you think she can do
asked by kate 
Chemistry..
How many O atoms are there in a mole O2? My answer: 6.02*10^23
asked by Anonymous 
Math
Write five 7digit numbers that are even. The sum of the digits in each number is 29.
asked by Eric 
statistic
a restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account. A random sample of twelve account is selected, resulting in a sample mean of $220 and a standard deviation of $12. Use a= 0.05. what is
asked by HN 
math
Given that h(x)=x+1/x2 and g(x) =4x. Find h(g)(x) and find g(h)(x). P.S. Thanks for the correction Steve.
asked by lindsay 
philosophy
explain necessary and sufficient conditions and how providing these is one approach to defining a term
asked by anna 
Math
(3+4)^0 + 35^3 (4)^3 * (2)^3 (23^3)^15
asked by Kate 
differentiation
find dy/dx if xy log(x+y)=1
asked by Anamika 
8th Grade English
My teacher for my english class at school marked off for these questions and said I could redo it and turn it in tomorrow. I am for sure I did these right. Here are the questions. Underline the verb in the parentheses that agrees with the subject. 1. In
asked by Katie 
pre algebra
1/2 (6x4)= 4x9
asked by jill 
Social Studies
who controls the economy in a free enterprise system
asked by Jerald 
English
I need to correct the verb in this sentence. If we would have had the engine tuned, I'm sure we would not be stranded on the highway now. Is this correct? If we had had the engine tuned, I'm sure we would not be stranded on the highway now.
asked by Mark 
Math
x^2 + 9y^2 = 37 x  2y = 3 simultaneous equation by elimination
asked by Princess 
math
How to convert yd to in
asked by Savion Stewart 
math
what is 1 3/4 as decimal
asked by emily 
Precalculus
ln x 4 In 3 =ln (1/5 x)
asked by Sarah 
math
use a multiplication table to solve a division problem. in what order doo you find the quotient, the divisor, and the dividened.
asked by mythreyee 
Literacy
Which of the following types of documents are considered primary sources?
asked by Anonymous 
calculas
let p=(1,1,1), Q=(2,3 5), and R=(1,3,1). find the area A of thr triangle with vertices P,Q, and R
asked by Anonymous 
Writing Class
Differences between My Brother and I
asked by Chih Ming 
English
In which one of the following sentences does an adverb modify an adjective? A. Mark was dressed properly. B. Lucy danced tirelessly. C. His appearance gr3atly affected Candace. D. His shirt was extremely tight I think the answer is "D"
asked by Sandia 
Math
x^2 + 9y^2 = 37 x  2y = 3
asked by Princess 
Science
where are electrons located on an atom?
asked by JACKSON 
physical science
on hole 9,Bill hit a golf ball. The golf ball weights 0.45 kg.The acceleration on the ball was 4/m/s2. What was the force of Bill swing?
asked by Casey 
Finance Accounting
Blankenship Company estimated that its warranty expense would be $4,250 for the current year. During the year Blankenship paid $920 to repair merchandise that was returned by customers. a) What is the amount of warranty expense for the current year? b) If
asked by Renee 
research paper
Documentation errors have always been part of the health care profession. Some people in the medical field believe that many of these errors are the resultof using abbreviations in handwritten documentation related to patients. Therefore, accreditation
asked by Goddy 
Math
Charlie paid for his purchases with a $50.00 bill. He paid $2.34 sales tax on his purchases and received $8.70 in change. If Charlie bought 8 items what is the average cost of one item without tax?
asked by Billy 
math
r a particular value, this table gives the percent of scores between the mean and the zvalue of a normally distributed random variable. What percent of the total population is found between the mean and the zscore, assume z = 2.57.
asked by jacque 
Math
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 38 said they drove alone. 34 rode in a carpool. 33 rode public transportation. 9 used both carpools
asked by Reggie 
math
How do you express 400 yards in 53 seconds as a unit rate?
asked by Devon Kennedy 
Science
How does technology help people with diseases of the digestive system?
asked by Alinna 
Math
I have a garden that is 50 ft x 18 ft and my friend has a garden that is 30 ft X 15 ft. Why is the area of my garden twice the size of my friend's garden?
asked by Madison 
math
susie went to the store. she spent half her money on groceries. she spent $13 on paper supplies. she still had 1/4 of the amount she started with. how much did she start with?
asked by april 
math
fred has 4 shirts. three are blue and one is red. he has tan pants and blue pants. the probability that fred will have on a red shirt and blue pants is  out of 
asked by mythreyee 
Math
x^2 + 9y^2 = 37 x  2y = 3
asked by Princess