Questions Asked on
March 11, 2015

math
The Blue Ridge Trail starts at Park Headquarters in Big Bear Park and goes up the mountain. The Green Creek Trail starts at Park Headquarters and goes down the mountain. The table gives elevations of various points of interest in relation to Park
asked by Susana 
MATH
What is the slope of a line at a 45* angle? why?
asked by ALI 
Trigonometry
Find (a) tan (x+y), (b) tan (xy), (c) the quadrant containing (x+y), and (d) the quadrant containing (xy). Given: tan x = 2/3, 0 < x < π/2 ; tan y = 5/6, 0 < y < π/2.
asked by Zeke 
Physics
You count 9 cycles across 8.1 time divisions on an oscilloscope screen. The time sweep is set to 60 micro seconds. The voltage peak is measured to be 22 volts. What is the frequency? You plot some data of Real Frequency versus HP Dial Frequency and get a
asked by Isa 
Social studies help please
"We want no manufacturers; we desire no trading, no mechanical or manufacturing classes. As long as we have rice, or sugar, our tobacco and our cotton, we can command wealth to purchase all we want." As stated by a Texas politician in this passage, some
asked by Anonymous 
LA
In which sentence does the prepositional phrase act as an adverb? A. Last evening, Anne suffered from a headache. B. The door to the attic was left open. C. Mr. Frank discussed the problem of noise in the annex. D. He bought a drink for Mr. Dussel. Is the
asked by Anonymous 
Homework
The weels on johns bike have a diameter of 26 inches what is the circumference of the weels
asked by Anonymous 
Art
The United States supreme Courts architectural design symbolizes what values that are also shared with Greek culture? A. resistance and persistence B. creativity and love C. tranquility and peace D. balance and justice I feel like it's D or B 2.Realists
asked by Anonymous 
Chemistry
Find density of C02 at room temperature and normal pressure.
asked by Anonymous 
Language Arts Help!
1. In which sentence does the prepositional phrase act as an adjective? A. In the morning, we rested in bed. B. We bought the cookies in the red package. C. During the day, Peter playes with the cat. D. My sister is good at dancing. 2. Which expression
asked by Anonymous 
Chemistry
Replace names by formulas and indicate oxidation and reduction agents (do not balance reactions). copper(ll) oxide + CH30H (Iq) >CH20 (Iq) + cu (s)
asked by Anonymous 
Art please help me :)
1. Which movie professional creates the storyboard? A. Screenwriter B. Production designer C. Director D. Graphic artist *** 2. How might a cinematographer create a believable scene in natures? A. Through research of plants and animals B. Through
asked by Anonymous 
History
Can anybody help me figure out what is progressive and considered progressivism in this video. American Experience TR, The Story of Theodore Roosevelt Part4 4 PBS Documentary
asked by TayB 
maths
write each addition vertically.Decide which new groups you will make .Then add to see if you were correct .256+273
asked by Ishmeet 
Stats
What is the best measure to describe the total variability in a population or sample?
asked by Dany 
Statistics
Shopping Outlet A shopping outlet estimates the probability distribution of the number of stores shoppers actually enter as shown in the table below. x 0 1 2 3 4 p(x) 0.05 0.35 0.25 0.20 0.15 What is the probability that shoppers are just window shopping
asked by Anon 
HIS202
During the latter part of the 19th century, Republicans were particularly strong in the _____ states?
asked by Crystal 
math
Which of the following is the best linear approximation for f(x)equals sin(x) near x equals =π seconds? y=x+pie1 y=1 y=xpie y=x+pie
asked by Gary 
math
True or false? If f is continuous at x = c, then f is differentiable at x = c.
asked by Gary 
health
In what way does your body's need for nutrients change when you are training for sports or competition?
asked by jasmine 
math
what is the fraction of 1 fourth?
asked by robbin 
Physics
A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and incline is 0.10. Find the force
asked by N 
Chemistry
Based on the average number of moles of IO3 in your samples, and the initial volume of those samples, what is the solubility of Ca(IO3)2 in mol/L of the saturated solution in 0.01 M KIO3? My average molarity was: .000092 My sample volume was: 5ml or .005
asked by Ane 
Trig
How do you derive this identity? Cos(t)=1sin^2(t/2)
asked by Jean 
programming in c++
c++ program that accepts customer data ,calculates discount based on the age and ticket price depending on the schemes offered by transport company.
asked by Anonymous 
c++ programming
c++ program that accepts customer data ,calculates discount based on the age and ticket price depending on the schemes offered by transport company.
asked by Anonymous 
physics
a force of 10N acts on an object and raises its speed from 0 to 5 m/s in 10s.calcuate the average power.
asked by doc 
Math Problems
Hi! Someone was helping me with these yesterday but I really didn't get anywhere because I was still confused. So if someone else could help me, that would be great! Thanks! Directions: Write out the partial fraction decomposition of the following rational
asked by Gigi 
math
a tray with a square base is to be made from a square piece of cardboard by cutting 5 inch squares from each corner and folding up the sides. If the box is to hold a volume 520 cubic inches, find the length of the piece of cardboard that is needed.
asked by Noel 
Religion
Many Christians seem to accept modern cosmology  Galileo's view that the earth is not the center of the Universe  while at the same time disagreeing with the theory of evolution. For this discussion, we will focus on the following questions (in 250 words
asked by Larcey 
s@e
4 dot points to why the biophyical environmemt is important
asked by josh 
SCIENCE
A SCIENTIST NOTED A POSSIBLE RELATIONSHIP BETWEEN A CERTAIN CHEMICAL SUBSTANCE FOUND IN FISH AND THE OCCURRENCE OF THE KIDNEY FAILURE IN HUMANS. WHICH STEPS SHOULD THE SCIENTIST BEFORE CONDUCTING EXPERIMENT.
asked by TEQUILLA 
math
what is the length of rectangle with an area of 48 yd 2 and a width of 3 yd 8 16 18 21 i think its c but any one can answer
asked by animal guy 
language arts
what does a reader look for in the second reading of a drama in the multi draft reading process? A: Realationships about theme B: Key ideas and details about charactors and settings C: stage direction and dialogue that advances action. D: simmeralities
asked by lexi~plz help me 
6th Grade Geometry
Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and
asked by MusicLover14 
Maths
I'm done with this question..Can anyone help me? tan^1(yz/xr) + tan^1(zx/yr) +tan^1(xy/zr) = pi/4 Prove that x^2+ y^2+ z^2=r^2
asked by Suhail 
Biology
Are the p1 and p2 generations pure breeding?
asked by Mel 
Physics
A mover pushes a 60 lb box 30 ft along a level floor at constant speed with a force directed 45 degrees below the horizontal. If the coefficient of kinetic friction is 0.20, how much work does the mover do on the box? ...Is this one of those trick
asked by Emma 
nscc
Suppose you draw one card from a single deck of cards. (a) What is the probability that you draw an king? Round your answer to 3 significant digits*.
asked by Anonymous 
Optics
A converging beam of light passes through a diverging lens of focal length 20cm and comes to focus at a distance 30cm behind the lens.Find the position at which beam would converge in the absence of lens?
asked by Sree 
Chemistry
Highpressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa ) to about 60,000 kPa (60,000,000 Pa ). It is often
asked by dakota 
algebra
Your ribbon is 78 inch wide. Your friend's ribbon is 58 inch wide. How much wider is the ribbon you are using?
asked by math 
Chemistry
Calculate the volume at which pH = pKa if 30.00mL of weak acid with a concentration of 0.0955M is titrated against a strong base with a concentration of 0.1233M.
asked by Caroline 
american history
parliament passed the Coercive Acts,known in America as the Intolerable Acts,in response to
asked by beverly 
L.A.
1. Which of the following sentences uses a predicate noun? A. When you leave, I will feel sad. B. My sister is their most valuable player. C. Their most valuable player is she. D. I will be saddened when you leave. 2. Which of the following sentences use a
asked by hello 
English
2. Which expression best represents the view a fatalist would have? A. "Whatever will be, will be." B. "The best is yet to come." C. "We are still masters of our fate." D. "You don't know what you have until its gone." 3. In which of these lines is the
asked by help?thanks 
algebra1 question
Radio signals travel at a rate of 3 * 10^8 meters per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 9.6 * 10^6 meters? (1 point) 3.2 x 10^2 seconds
asked by SkatingDJ 
maths
Need help on this, Please : there was a total of 1134 durians, papayas and apples in a basket. when 25% of the durians and 96 papayas were taken out and 252 more apples were put in basket, there were an equal number of the three types of fruits, How many
asked by SARAH 
MATHS
Please help  In a stationery shop, there were pens, erasers and rulers. There were thrice as many pens as erasers and thrice as many erasers as rulers at first.After the shop keeper sold 6 rulers and some erasers there were thrice as many pens as erasers
asked by SARAH 
English
Which structure is correct? We won at/in that tournament. Are you participating at/in that tournament?
asked by Anonymous 
maths please help and explain
1.evaluate without using a calculator 2logx+1=log900 2.solve the following equation A. 3log(x2)=4.714 B. 16^x3 = 8^2x+1 C.10^2x=1/100
asked by Maria 
LA
Write a brief essay discussing imagery in both "Grandma Ling" and "Your little voice." I suck at writing essays. :/
asked by Makahla 
LA
I just want some tips on writing ther essay! I don't want to cheat I just want tips
asked by Makahla 
Art
Mass Art: Technology and the Industrial Revolution 1) What is one way that the industrial revolutions impact showed itself in the art of realist like Monet? :Realists documented their inner reactions to the revolution. :Realists documented the lives of
asked by TheLOUDEST_0430 
science
a solid weighs 100g in air 75 g in water and 70 g in oil.find relative density of oil
asked by mk 
important maths ques
AB and CD are two parallel chords of a circle such that length of AB and CD are 10 cm and 24cm respectively.if the chords are opposite sides of the centre and the distance between them is 17 cm ,find the radius of the circle.
asked by Anonymous 
Algebra please explain
A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks
asked by SkatingDJ 
math
How do I find the area of a triangular prism, with a square and a triangle, in the shape.
asked by Gav 
Math
Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. Triangle Base: 7ft Triangle height: 4ft Prism height: 8.5ft 20 ft^3 65 ft^3 119 ft^3 *** 238 ft^3
asked by Anonymous 
Math
Lionel's front yard is in the shape of a square and has an area of 225 square meters. What is the length in meters of one side of Lionel's front yard? 112.5 56.25 25 15 ***
asked by Anonymous 
physics
two blocks of each mass m=3.75kg are fastened to the ceiling of an elevator. If the elevator accelerates upward at 1.6m/s^2. Find the tension in T1 and T2 in each upper and lower rope
asked by Rebecca 
Social studies
Which event contributed most significantly to the settlement of Muslim people in Israel A: exodus B: diaspora C: Holocaust D: world of war I I My answer is C
asked by Anonymous 
MATH miss.sue
okay 4 friends had 19 Pieces of candy and how many pieces of candy will each friend get? HELP PLZ
asked by Jasmine 
Math
Find the are of a parallelogram with base b and height h. b =82 cm h = 16.6 1,361.2 cm^2*** 6,724 cm^2 137.78 cm^2 98.6 cm^2
asked by Anonymous 
Math
1. The radius of a circular disc is 5.8 inches. Find the circumference. Use pi = 3.14 18.212 in 36.424 in *** 42.34 in 54.63 in 2. Name the geometric solid shape suggested by a frozen juice can. Sphere Rectangular prism Pyramid Cylinder ***
asked by Anonymous 
English
Which statement most accurately contrasts the ideas of different literary periods? A. AngloSaxon literature focuses on free will, whereas Renaissance literature suggests that human beings are controlled by fate. B. Literature of the Middle Ages focuses on
asked by Emi 
Algebra please explain!!!
A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Pleas help asap! Thanks
asked by SkatingDJ 
math
a deposit of 4000 at 6.5% for 270 days show amount of interest earned answer 2870
asked by layne brooks 
chemistry
when 5g of impure sample of CH4 is completely combusted, 9g of H2O was produced.what is the percentage purity of the sample of CH4
asked by john 
Modeling with Linear Systems
Pam laid three times as many tiles on Saturday as she laid on Sunday. If Pam laid 80 tiles over the weekend altogether, how many tiles did she lay on Saturday?
asked by josselin 
Stats
The waiting times between a subway to Podger schedule and the arrival of the passenger on uniformly distributed between zero and nine minutes find the probability that a randomly selected passenger has been waiting greater than 3.25 minutes
asked by Ella 
physics
2)Two objects are initially the same height above the ground. Simultaneously, one is released from rest and the other is shot horizontally with an initial speed of 2.5 m/s. The two objects collide after falling 20.0 m. How far apart were the objects
asked by Anonymous 
physics
2) Two objects are initially the same height above the ground. Simultaneously, one is released from rest and the other is shot horizontally with an initial speed of 2.5 m/s. The two objects collide after falling 20.0 m. How far apart were the objects
asked by Anonymous 
Chem
The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. 2HBr(g) H2(g) + Br2(g) Kc=0.322 H2(g) + Br2(g) 2HBr(g) Kc= ?
asked by Jodi 
not school
Needing help setting up equation.if 1/4 of inch is equal to one foot of actual size dimension,determine the length represented by 7/8.is it a division problem.and if so he would I write it out
asked by scott 
physics
The angular position of a flywheel is given by theta=(2+5t+2t^2)rad . find the angular speed and acceleration at 3^rd second after the motion had been started.
asked by help 
English
Macbeth says that even the numerous, or _____ seas, will not wash off his guilt. A. predominant B. multitudinous C. stealthy D. palpable my choice is B
asked by Emi 
Chemistry
3.05 g of hydrated copper sulfate produce 1.94 g of anhydrous salt. Assuming complete removal of water of crystallisation, determine the formula of hydrated copper sulfate.
asked by Melissa 
Social studies
How did Islam mainly spread throughout the region? A. By imperial command B. Through military strength C. Via trade D. Because of religious decree My answer is b.
asked by Anonymous 
Math
DIVISIBILITY Dr davis wants to divide 8487 tongue depressors evenly among some containers. she has 10 containers but does not need to use them all. how many containers could she use so there are no tongue depressors left over?
asked by Bro 
Chemistry
Can someone please help me figure out whether aqueous sodium sulfite is acidic or basic? I know it is a salt produced from sodium hydroxide and sulfur dioxide.
asked by Anonymous 
Math
SAME THING AS FIRST ONE Mr Russo has 2856 raffle tickets that he will distribute evenly to some of his neighbors. he wants to give the tickets to at least 3 neighbors but no more than 10 neighbors. to how many neighbors can he give raffle tickets so there
asked by Bro 
sphy011
a speedster traveling at a constant speed of 120 km/h passes a waiting police car which immediately starts from rest with a constant acceleration of 2.5 m/s^2.how long will it take the police car to catch the speedster?what is the distance that the
asked by tebogo 
english
paraphrase paragraph four
asked by virginia 
chemistry
how many molecules are in 5.5 moles of oxygen gas? How many atoms are in this quantity of gas? I used dimensional analysis and did: 5.5 mol. of oxygen x 6.02x10^23 molecules/1 mol of oxygen I got 3.3x^24 molecules of oxygen How do I find the # of atoms? I
asked by ally 
math
An aeroplane leaves a runway and climbs at an angle of 15 degrees. After flying 800 meters, how high is it above the runway?
asked by Christine 
Chemistry HW!!!
1. If I dilute 75 mL of 0.50 M CaF2 solution to a final volume of 375 mL, what will be the molarity of the resulting solution? 2. What will be the final volume of the solution be if I start with a 250 mL of 1.38 M MgCl2 solution to make a solution with a
asked by Theresa 
Chemistry
What happens when Potassium Oxide is left on a watch glass and exposed to air?
asked by Anonymous 
Physics
A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the
asked by Emily 
Accounting
Waterways is thinking of massproducing one of its specialorder sprinklers. To do so would increase variable costs for all sprinklers by an average of $0.70 per unit. The company also estimates that this change could increase the overall number of
asked by David 
science
what is a vector?their structure?
asked by bridget 
Art
How would you keep a sand sculpture on the beach? If you used ketchup instead of red paint on your canvas, would this change your methods of preservation? I said that you can make the sand sculpture stand my adding a little water to the sand before you
asked by jam 
math
logan isn't 2 years older than Lindsey. Five years ago the sum of their ages was 30. Find Lindsey current age. X5+2x5=30. 1 + 0= 30. I don't think this right I tried I can't get the right answer. According to the common core the answer is supposed to be
asked by Kirsten 
math
The ratio of measures of two complementary angles is 4 to 5. The smallest measure is increased by 10%. By what percent must the larger measure be decreased so that the two angles remain complementary?
asked by G 
Physics
A 75kg firefighter slides down a 2.5m fire pole from rest. It takes the firefighter 1.8s to reach the ground. If the firefighter bends his knees when he reaches the ground such that his centre of mass mives 41cm while coming to a stop, what must the normal
asked by Anonymous 
Algebra
If a=4.9 and b=1 5/9, the determine the value of the reciprocal of b/a. Express your answer as a common fraction.
asked by Jenny 
Finance
Antiques ‘R’ Us is a mature manufacturing firm. The company just paid a dividend of $11.45, but management expects to reduce the payout by 4.5 percent per year, indefinitely. Required: If you require a return of 11 percent return on this stock, what
asked by John 
Spanish 1
I am not really understanding how to do some of these. Need some guidance. Thanks!! Los verbos que terminan en car, gar y zar What is special about the following verbs? Complete each of the sentences with the correct preterit form of the logical verb
asked by Kelly 
Physics
A 75kg firefighter slides down a 2.5m fire pole from rest. It takes the firefighter 1.8s to reach the ground. If the firefighter bends his knees when he reaches the ground such that his centre of mass mives 41cm while coming to a stop, what must the normal
asked by Anonymous 
chem
An experimental chamber has a volume of 60 L. How many moles of oxygen gas will be required to fill the chamber at STP?
asked by iNeedHelp 
Algebra 2
solve square root 2x5 =7 the 2x 5 is under the sqaure
asked by Zach 
Algebra 2
solve square root 52x + 5 =12 52x under the sqaure
asked by Zach 
Algebra 2
solve 3 square root 2x +1 =3 2x +1 under the sqaure
asked by Zach 
math
When the measures of the angles of a triangle are placed in order, the difference between the middle angle and smallest angle is equal to the difference between the middle angle and largest angle. If one of the angles of the triangle has measure 23
asked by G 
math
One interior angle of a triangle has a measure that is equal to the sum of the measures of the other two angles of the triangle. What is the measure of the smallest exterior angle of the triangle in degrees?
asked by G 
Ap calc
A particle moves along the X axis with the acceleration a(t)=12t6. If v(0)=3, find the total distance the particle traveled from t=0 to t=2. Please help
asked by Lynds 
Math
A car travels for 10 minutes. it's velocity is given by v=960t5t, where t is in minutes and v is in ft/min. Find the maximum speed in ft/min during those minutes. Please help I have no idea how to solve this problem.
asked by Anonymous 
Calc
The acceleration of a particle is given by a(t)=cos(t)sin(t). At t=0, the velocity is 1. During the time from pi < t< 2pi, what is the acceleration of the particle when the velocity is 0. The less than signs are supposed to be less than or equal to signs.
asked by Anonymous 
Physics
A pilot wants to fly directly north to an airport 500 km away. His speed relative to the air is 100 km/h. Howevere there is a 40 km/h cross wind blowing from west to east. At what angle relative to the south north direction should he fly to arrive at the
asked by Alex 
SOCIAL STDIES HELP!
1. In which of the following forms of government does the city council hire someone to run the daytoday operations of the city? (1 point) strong mayorcouncil weak mayorcouncil councilmanager*** consolidated 2. Which of the following are true
asked by XenaGonzalez 
Geography
Q. The Great Lakes border 2 regions and 2 countries, name them.  Regions: Pacfic Rocky Mountains Southwest North central South east North east  A. I don't exactly get it,
asked by Destinee 
Biology 12
The question is asking to calculate the overall energy change in the combustion of ethane (C2H6). This is what I have done: The balanced equation: C2H6 + 6 O2 > 2 CO2 + 3 H2O (6) 411 + 346 + (6) 494 > (2) 799 + (3) 459 2466 + 346 + 2964 > 1598 + 1377
asked by Vikki 
social studies
Do you think the themes of Euripedes' plays would be play today?
asked by Angelina 
science
Two stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, and car 2 is moving to the left with speed v0. Car 1 begins to move at t=0, speeding up with a constant acceleration ax. Car 2 continues
asked by sandile 
Ap physics
Rotational Motion/Torque The question says that "A 60.0kg painter is on a uniform 25 kg scaffold supported from above by ropes. There is a 5.0 kg pail of paint to one side, as shown. How far from the left end of the scaffold should the painter stand such
asked by Kayla 
Science
After an avalanche, a huge block of a stone slid down a mountain and landed in the middle of a road. People in the nearby town had a very difficult time moving it out of the road, The block of stone is difficult to move because. it has a high amount of
asked by Kennabug 
science
if you can only see one "north", and the tilt is tilting "south", then its obstructed right?
asked by Stevenrocks7584 
Science
Which of the following statements is true about a collison between two cars? The total momentum after the collision is the same as the total momentum befor the collision *** The total momentum after the collision is greater than the total momentum
asked by Kennabug 
Physics
A 75kg firefighter slides down a 2.5m fire pole from rest. It takes the firefighter 1.8s to reach the ground. If the firefighter bends his knees when he reaches the ground such that his centre of mass mives 41cm while coming to a stop, what must the normal
asked by Anonymous 
Pre Algebra
A pot water at a temperature of 25°C is placed on a hot burner. The temperature increases at a rate of 15° per minute until it boils at 100° C. The water continues boiling at this temperature. What is the slope of the graph after the temperature reaches
asked by kiki 
math,
Exponential distribution was used to model the lengths of CDROM drives in a two drive system. The two CDROM drives operate independently, and at least one drive must be operating for the sytem to eperate successfully. Both drives have a mean length of
asked by ehsan 
science
How long dose it take the moon to rotate once and how many days dose it take to orbit the earth
asked by kevenhotdog74@ 
MATH
15. Write the ratio as a fraction in simplest form. 8 out of 10 (1 point) ANSWER 4/5? 16. In the population of a particular country, the maletofemale ratio is 34 to 48. Write this ratio as a fraction in simplest form. (1 point) ANSWER 17/24? Am i right?
asked by XenaGonzalez 
Math
2/9 + 2/3= Please show the work
asked by LS 
Health
Please check 1. Which is a common viral disease? A. strep throat B. lyme *** C. tuberculosis D. common cold 2. which statement is about the flu? A. there is no cure B. there is usually a fever *** C. It typically lasts 37 days D. it spread by contact with
asked by Anonymous 
chemistry
why gasoline wouldn't dissolve in water ?
asked by Ciaria 
physics
A 2.40 kg mess kit sliding on a frictionless surface explodes into two 1.20 kg parts: 3.78 m/s, due north, and 5.28 m/s, 32.8° north of east. What is the original speed of the mess kit?
asked by Shane 
Science
Sodium peroxide reacts vigorously with water to produce sodium hydroxide and oxygen. The unbalanced equation is Na2O2(s) + H2O(ℓ)→ NaOH(aq) + O2(g). What mass of O2 is produced when 81 g of Na2O2 react? Answer in units of g
asked by Farrell 
Science
What mass of water is needed to react completely with the Na2O2? Answer in units of g.
asked by Farrell 
Chemistry
What is the limiting reactant when 45.9g of CuO are exposed to 2.57 g of H2 according to the equation CuO(s) + H2(g)−→Cu(s) + H2O(g) ? 1.CuO 2.Unable to determine. 3.H2 4.Neither is limiting.
asked by Farrell 
Math
The inflation rate in the united states in 2014 was about 1.3%. If prices go up by 1.3% per year, how long will it take for them to double? assume that prices are increasing continuously.
asked by Dan 
Math
Rob has a combined flower and vegetable garden that is 9 m long and 11 m wide the flower garden is in the center and is a square with sides of 3 m how many square meters of the garden is used for vegetables
asked by Alena 
science
What is the difference between apparent and absolute magnitude
asked by kevenhotdog74@ 
Math
Jeanette is painting a rectangular wall that is 10 feet long and 8 feet tall there is a window that is 5 feet wide and 3 feet tall on the wall what is the area of the wall that Jeanette will paint
asked by Alena 
health!
True or False. Washing your hands can help protect you from dangerous pathogens True True or False. People die from colds each year True True or False. Infectious diseases are caused by organisms or viruses that enter and multiply within the human body.
asked by Ann 
Calculus 1
If f(x)=3 sin x+ln(5x), find f '(x).
asked by TayB 
physics
A light beam in air enters a block of transparent material at an angle of 28.0˚ with respect to the normal. After refraction it makes an angle of 19.0˚ with respect to the normal. a) Find the index of refraction of the material. b) In a second setting,
asked by Amanda 
Chemistry
For the reaction 2CH3OH + 3O2 → 2CO2+ 4H2O, what is the maximum amount of CO2 which could be formed from 13.97 g of CH3OH and 5.45 g of O2? Answer in units of g. Consider the reaction H3PO4 + 3NaOH → Na3PO4 + 3H2O. How much Na3PO4 can be prepared by
asked by Farrell 
chemistry
how perspiration helps keep you cool on a hot day.? Perspiration keep’s you cool on a hot day because your really steamy and sweaty. You have no energy or strength to move. Your sweat drys up from your skin taking a little bit of your body heat with it.
asked by Ciaria 
math
12/35 stamps are from Asia. Of these Asian stamps 5/16 are from Thailand. What fraction of the stamp collection are from Thailand? I want to think I need to divide but I'm not sure it makes sense. 12/35 divided by 5/16= 12/35 times 16/5 = my answer of
asked by Alice 
physical science
most electricity generated in the united states comes from?
asked by linda 
Chemistry
You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how does the vapor pressure of water in the first jar compares with the vapor pressure of
asked by Ciaria 
Health last questions.
Physical lines of defense include A. skin, cielia, and mucous membranes *** B. hair C. nails D. teeth When a doctor feels for lymph nodes, he is checking for A. inflammation *** B. shrinking C. pain D. sensitivity Your body can get antibodies from A.
asked by Ann 
social studies 8th
1. Which is an example of checks and balances? (1 point) The constitution contains a bill of rights that details the basic rights of the state’s citizens. The constitution clearly outlines voting requirements and the qualifications for holding public
asked by XenaGonzalez 
chemistry
why water expands when it freezes? Water expands when it freezes because it starts to bend. when all the water molecules are in this hexagonal structure, the same amount of water takes up more space than when the molecules are randomly arranged. For
asked by Ciaria 
chemistry
explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.
asked by Ciaria 
physics
a train stopping distance, even when full emergency brakes are engaged, is 1.3 km. if the train was travelling at an initial velocity of 90 km/h [forward], determine its acceleration under full emergency brakes.
asked by raman 
Math
Four of the angles of a hexagon measure 53°, 126°, 89°, and 117°. What is the sum of the measures of the other two angles?
asked by Student 
Math  7th grade
Can you check following? 1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student
asked by Alexis 
SOCIAL STDIES HELP! 8th
Which is not necessary in order for a bill to become a law? (1 point) The governor must sign the bill. A majority vote is needed in the House. A majority vote is needed in the Senate. The same version of the bill must be passed.*** In order to be governor
asked by XenaGonzalez 
2 step equations
0.5(x8)=1 0.5x4=1 0.5x=5 x=10 Is this right?
asked by Kyra 
statistics
A casting director wishes to find one male and one female to cast is his play. If he plans to audition 5 males and 7 females, in how many different ways can this be done? DO NOT put a comma in your response.
asked by jesse 
Chemistry ( I NEED HELP, PLEASE!!!!, IM DESPERATE)
Sodium peroxide reacts vigorously with water to produce sodium hydroxide and oxygen. The unbalanced equation is Na2O2(s) + H2O(ℓ)→ NaOH(aq) + O2(g). What mass of O2 is produced when 81 g of Na2O2 react?
asked by Farrell 
Chemistry ( I NEED HELP, PLEASE!!!!, IM DESPERATE)
What mass of water is needed to react com pletely with the Na2O2?
asked by Farrell 
Chemistry( I NEED HELP, PLEASE!!!!, IM DESPERATE)
What is the limiting reactant when 45.9g of CuO are exposed to 2.57 g of H2 according to the equation CuO(s) + H2(g)−→Cu(s) + H2O(g) ? 1.CuO 2.Unable to determine. 3.H2 4.Neither is limiting.
asked by Farrell 
SOCIAL STDIES HELP!!!!!
A case in which a group or individual claims that another group or individual has done them wrong is called a(n) (1 point) trial case. civil case. criminal case. appellate case.*** Which court has jurisdiction over death penalty cases in Georgia? (1 point)
asked by XenaGonzalez 
Chemistry( HELP PLEASE, IM DESPERATE!!!)
For the reaction 2CH3OH + 3O2 → 2CO2+ 4H2O, what is the maximum amount of CO2 which could be formed from 13.97 g of CH3OH and 5.45 g of O2? Consider the reaction H3PO4 + 3NaOH → Na3PO4 + 3H2O. How much Na3PO4 can be prepared by the reaction of 3.43 g
asked by Farrell 
2 s
1.6(5.94x)  3.21=31.85 9.446.4x3.21=31.85 6.4x +6.23=31.85 6.4x=25.62 x= 4 not sure how to do the 6.4x=25.62
asked by Kyra 
Geometry
A 32foot ladder leans against a building on level ground. It just reaches a window 25 feet above the ground. To the nearest degree, what angle does the ladder make with the ground.
asked by Rolun 
Chemistry 2
A United Nations toxicologist studying the properties of mustard gas, S(CH2CH2Cl)2, a blistering agent used in warfare, prepares a mixture of 0.675 M SCl2 and 0.973 M C2H4 and allows it to react at room temperature (20.0°C ). SCl2 (g) + 2 C2H4 (g) >
asked by Anonymous 
Probability
You have a box containing 13 purple balls, 17 orange 15 green and 11 white balls. What is the probability you pull 2 orange balls followed by a white ball?
asked by Dwayne 
statistics
The average age of doctors in certain hospital is 43 years old. Suppose distribution of ages is normal and the standard deviation is 8.0 years. If 25 doctors is chosen at random for a committee, find the probability the average age for those doctors is
asked by stuart joel 
Math 5th grade
John brings fruit punch to a school party. He brings 6 gallons of fruit punch but the students only drink 3/4 of it. How much did they drink?
asked by Maria 
CHEMISTRY HELPPPP!!!!!!!!!
Consider the decomposition of NH3 (g). 2 NH3 (g) → N2 (g) + 3 H2 (g) The reaction is catalyzed on a surface of either tungsten or osmium. The activation energies for the catalyzed and uncatalyzed reactions are given below. W Ea = 163 kJ/mol Os Ea = 197
asked by anon 
Language Arts  Romeo and Juliet  Please Check
I need help with the following: 11. Read these lines from the prologue of Romeo and Juliet. "Two households, both alike in dignity, In fair Verona, where we lay our scene, From ancient grudge break to new mutiny, Where civil blood makes civil hands
asked by Brady 
Global Issues!
How do social policies effect poverty?
asked by Mamii 
science
What advantages of space probes
asked by kevenhotdog74@ 
science
what is a humble telescope
asked by kevenhotdog74@ 
social studies 8th
1. The authorization to create counties for the purpose of carrying out state laws and programs originally came from the (1 point) Supreme Court.*** Georgia General Assembly. Declaration of Independence. Georgia’s Constitution of 1777. 2. The primary
asked by XenaGonzalez 
science
describe 4 different types of satellites
asked by gamer65 
5th grade Math
4 x blank is greater than 12 but less than 16. Answers can be in mixed fractions and/or improper fraction. Can someone please explain how to do this?
asked by Sebastian 
Child Development
Research has shown that most preschool A.don't use the words "think,"remember or pretend c. believe that an event can be known without being directly observes. D. often insist they've always known information they just learned
asked by William 
Science  7th grade
Can you check the following? Experiment A: Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After three weeks on the diet, the rats’ masses are measured
asked by Alexis 
math
Rachel wants to carpet the rectangular floor of his basement . The Basement has an area of 864 square feet . The width of the basement is 2/3 its length. What is the length of Rachel's basement.
asked by sai 
Math
The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?
asked by Abhishek 
help last one asap ss
In 3–5 sentences, describe the apportionment system for state legislative districts.
asked by XenaGonzalez 
algebra
how long does it take for a rock that is falling down from a distance of 200ft high? what is the formula is used for this problem?
asked by ho 
Chemistry ( I NEED HELP, PLEASE!!!, IM DESPERATE!)
Sodium peroxide reacts vigorously with water to produce sodium hydroxide and oxygen. The unbalanced equation is Na2O2(s) + H2O(ℓ)→ NaOH(aq) + O2(g). What mass of O2 is produced when 81 g of Na2O2 react?
asked by Farrell 
CHEM NMR
this one is dealing with H NMR... The compound is N,Ndimethylacetamide. Why would there be 2 distinct peaks from the 2 Methyl groups attached to the Nitrogen atom? This would suggest they are in different environments, why?
asked by jon 
Math
Rachel wants to carpet the rectangular floor of his basement . The Basement has an area of 864 square feet . The width of the basement is 2/3 its length. What is the length of Rachel's basement.
asked by Siddharath 
Chemistry help please
What is the oxidation number of phosphorus in P2O3? O mostly always has a 2 charge, three O's = 6. The two P atoms must balance that charge with +6 since P2O3 overall has no charge. If 2 P = +6, then 1 P = +3. is that right ?
asked by Ciaria 
Math
The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?
asked by Joo 
socialstdies
Which of the following describes the Gilded Age? Choose all that apply. (2 points) a period of great prosperity for all Americans*** a time of great social change and industrialization in America*** a period of great prosperity for some Americans a time of
asked by XenaGonzalez 
Vectors
which is not a possible type of intersection between three planes? a) intersection at a point b) three coincident planes c) intersection along a line d) intersection along a line segment I know that planes can intersect in a line but I don't know which of
asked by Sara 
English
How is a diary, such as Pepys’s, different from a history such as Bede’s? A. A diary is usually more personal. B. A diary is usually more objective. C. A diary is usually more formal. D. A diary usually lacks historical accuracy. My choice is A
asked by Emi 
Managerial Accounting
Waterways is thinking of massproducing one of its specialorder sprinklers. To do so would increase variable costs for all sprinklers by an average of $0.70 per unit. The company also estimates that this change could increase the overall number of
asked by David 
PreCalculus
One walker was sponsored $100 plus $5 for the first kilometre, $10 for the second kilometre, $15 for the third kilometre, and so on. How far would this walker need to walk to earn $150? (I know it is 4 km, but I can't figure out how to write the general
asked by Lucina 
science
What is the difference between apparent and absolute magnitude
asked by gamer65 
chemistry
if 4.75 g of cooper and 3.20 g of sliver are available to react ,what is the limiting reactant
asked by Jonathon 
Physics
A raft measures 1.7m x 0.67m x 0.14m, and it has a mass of 13.5kg. What is the maximum mass that the raft can hold and still stay afloat
asked by Scott 
Physics
A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the
asked by Emily 
Physics
What is the volume of water at 95 degrees Celcius if at 5 degrees Celcius the water is 5.56L?
asked by Scott 
help
Tritium (H3) has a halflife of 12.3 years. How old is a bottle of olive oil if the tritium content is 25% that of a new sample of olive oil? Show all calculations leading to a solution.
asked by Ciaria 
life orientation
Show the link between intrapersonal conflict and initiating relationship
asked by mcedisi 
Physics
The distance between two consecutive nodes of a standing wave is 19.2 cm. The hand generating the pulses moves up and down through a complete cycle 2.59 times every 7.44 s. Find the velocity of the wave. Answer in units of m/s.
asked by Lauren 
Reading
What literary this is in the plane is a sled to ride
asked by Randon 
English
Which sentence is punctuated correctly? A. Milton wrote many prose works, but is more famous for poetry. B. In a sequence of sonnets dedicated to his wife Edmund Spenser traced their courtship. C. Sonnets were new to England, when Sir Philip Sidney wrote
asked by Emi 
Chemistry help please
What type of radiation is emitted when K38 decays into Ca38?
asked by Ciaria 
Chemistry help please
You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how the vapor pressure of water in the first jar compares with the vapor pressure of water in
asked by Ciaria 
chemistry
Why must the number of electrons lost equal the number of electrons gained in every redox reaction?
asked by Ciaria 
Math
Alan scored a total of 14 points for answering all the 15 questions on a math quiz. For every correctly answered question, Alan got 2 points. For every wrong answer, he lost 2 points. How many questions did he answer correctly?
asked by Sophia 
chemistry
explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.
asked by Ciaria 
English
what is a good thesis statement that I can form out of this prompt for A Raisin In The Sun choose one of the following characters. identify and analyze the character's primary internal conflict and external conflict and how each is resolved . I choose
asked by Notafanofschool 
chemistry
Calculate the hydroxide ion concentration of a solution with pH = 8.25.
asked by Ciaria 
montclair state
A stock is paying a dividend of $3.10 annually. You expect the dividend to grow at ate of 2% for the indefinite future. What price should the stock be selling for?
asked by fanny 
ELA
Which of the following events, characters, or objects can be said to swerve? A. a snowstorm and cloudburst B. a roller skater and a seal C. a rainstorm and bicyclist D. a seal and a dill pickle I think is c.
asked by Anonymous 
algebra
if f(x)=6^25x and g(x)=2x+3 solve for f(x)=g(x)
asked by ho 
English
For school I have to read Pride and Prejudice. My teacher gave us an assignment where we have to find a different literary element every couple of chapters. I have been searching for a while now and can't seem to find anything. It has to be between
asked by Radio Active Wear 
Chemistry
The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 1014.
asked by Ciaria 
chemistry
The freezing of water at 0⁰C can be represented as follows: H2O (l) ↔ H2O(s) The density of liquid water is 1.00 g/cm3. The density of ice is 0.92 g/cm3. explain why applying pressure causes ice to melt.
asked by Ciaria 
chemistry
If 5.40 kcal of heat is added to 1.00 kg of ice at 0⁰C, how much liquid water at 0⁰C is produced?
asked by Ciaria 
WHY CANT I POST URL'S?
If we have a source and do not own website then HOW CAN I POST URL'S?
asked by Jishka Bot 
English
Is this a good thesis statement? Walter Lee Younger faces both external and internal conflicts in the play which are ultimately resolved and can be seen through his clashes with his family, his thoughts and feelings and his decisions.
asked by Notafanofschool 
FACTORISE FULLY
(3x + y)^3 + (3x  y)^3
asked by Tokisetso 
Chemistry
a solution of methanol, CH3OH, contains 55.0 grams of methanol for every 100. grams of water. what is the molality of the solution? Which is my solvent? And which is my solution? Im confused
asked by Anonymous