Questions Asked on
March 3, 2020

Chemistry
10g of ice at 273K is added to 20 g of water at 900 C in an insulated flask. The heat of fusion of ice is 6 Kj/mol and the specific heat capacity of water is 4.2 J/K/g. ignoring the heat capacity of the flask; Determine ∆S of the system.
asked by FRANK 
History
How did the Protestant Reformation contribute to migration to the New World? Leaders of the Reformation believed that there was no hope for Europe because it was blinded and polluted by Catholicism. Protestant persecution of Catholics led to a mass
asked by Kyla 
math
suzy likes to mix and match her 3 necklaces, 2 bracelets, and 6 hats. the colors are listed in the table. on monday, she randomly picks a bracelet, a necklace, and a hat. what is the probability of suzy choosing a red bracelet and silver hat? 1/2 1/4 1/6
asked by baby 
science
1) What would happen to Earth's temperature if the energy absorbed from the sun (solar radiation) was less than the emitted (thermal) energy leaving the Earth? (2) 2) Why is the tropical climate warmer than the climate at the north and south poles? (2) 3)
asked by bsfbc 
English
3. choose the word or phrase that best matches the word in italics. the teenager broached the sensitive subject with his parents
asked by Anonymous 
math
What is the simplified form of the following expression? negative 9 x Superscript 4 Baseline times 8 x Superscript 7 −9x4•8x7
asked by lilly 
Math
logx(9x^2)[log3(x)]^2=4 i got the x=1/9 and x=3 is that correct?
asked by LOGS 
Math
find the third term of exponential sequence (G.p) (√(2)1),(32√(2),...
asked by Fiifi 
math
a towns population went from 25800 to 42600 in 15 years. what was percent of change.
asked by jimmy 
Science
1.Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? A.One species preys on the other***. B.The relationship is mutually beneficial. C.They share the same niche. D.One species benefits,
asked by A student 
Algebra
Fill in the missing parts: (5x + ___)^2 = ___ · x^2+70xy + ___
asked by Helen 
Language Arts
In the third stanza of the poem, which lines rhyme?
asked by Shadow 
math
A sample of 4 balls is to be selected at random from an urn containing 20 balls numbered 1 to 20. Six balls are green, 6 balls are white, and 8 balls are black. (a) How many different samples can be selected? (b) How many samples can be selected that
asked by Lizzie 
math
Rachel works at a bookstore. On Tuesday, she sold twice as many books as she did on Monday. On Wednesday, she sold 6 fewer books than she did on Tuesday. During the three days Rachel sold 19 books. Create an equation that can be used to find m, the number
asked by Kyle 
math
Write each quadratic function in the form f(x)=a(x−h)2+k, find the vertex 1. y=x^23x 2. y=x^2+x 3. y=2x^2−12x+22 4. y=−2x^2−4x−5
asked by hi 
English
Hi I need help ASAP Is this a full sentence? "The little boy didn't do his homework nor his chores." Please helpp
asked by Jamhier 
Science
Which provides evidence that humans are causing an increase in the carbon dioxide concentration in the atmosphere? The net flux of carbon into the atmosphere without including the contribution from burning fossil fuels is negative. The net flux of carbon
asked by Chappal 
SCIENCE HELP
A plant with darkpurple flowers and a plant with white flowers are crossed. All of the offspring have lavender flowers. The alleles for flower color in this plant are A. Both dominant B. Both recessive C. Codominant D. Incompletely dominant
asked by Student 
Math
Compute E(X) for the following random variable X : X=Number of tosses until getting 4 (including the last toss) by tossing a fair 10sided die.
asked by Nate 
Math
Compare use pl need help 11 7
asked by Julio 
Algebra
Write the trinomial as a square of a binomial or as an expression opposite to a square of a binomial: −25a^2−1+10a
asked by Helen 
Physics
The 200kg hammer of a pile driver is lifted 10 m. Find the potential energy of the system when the hammer is at this height
asked by James 
Science
How many moles of oxygen reacts with 2.4 moleof iron in the rusting reaction?
asked by Miguel 
English
On the bus, at home, or in class, sit quietly and watch another person for about five minutes. 1. Jot down any nonverbal communication that a person uses. (For example, he drowns, he chews his pencil, he rests his chin in his hand, etc.) 2. What do these
asked by Kyle 
math
an icecream shop offers 5 different flavors of ice cream and 12 different toppings how many choices are possible for a single serving of icecream with one topping 18 22 46 60
asked by Nora 
math
Item 9 On a 15question online quiz, you correctly answer five 1point questions and nine 2point questions. You earn 92% of the possible points on the quiz. a. How many possible points is the quiz worth? b. How many questions did you miss? How many points
asked by Hector v 
Social Studies
can someone tell me the answer to Southwest Asia Through Time Unit Test for connexus 7 b
asked by yeet 
english
“There is a game of puzzles,” he resumed, “which is played upon a map. One party playing requires another to find a given word—the name of town, river, state or empire—any word, in short, upon the motley and perplexed surface of the chart. A
asked by non 
Geometry
The shorter leg of a 306090 triangle is 6. What is the length of the hypotenuse?
asked by Kiersten 
Pre calculaus
find sin theta and cos theta if cot theta = 3/7 and sec theta is < 0
asked by Shi 
Chemistry
The fizz produced when an AlkaSeltzer® tablet is dissolved in water is due to the reaction between sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O7): 3NaHCO3(aq)+H3C6H5O7(aq)→3CO2(g)+3H2O(l)+Na3C6H5O7(aq) In a certain experiment 1.20 g of sodium
asked by Missy 
social studies
how does rationalism differ from myths a. rationalism explains the natural world in terms of gods; myths explain the world by saying it’s all certain rules that can be discovered through reason b myth explains the natural world in terms of gods;
asked by help please:) 
algebra
Find the simplified form of each expression (3/5y^4)^2 (all of this is in parenthese except the exponent at the very end) please help.
asked by doge master 
Math
how do I put (csc) (sec) (cot) in my calculator?
asked by anonymous 
math
a passenger in an airplane at an altitude of a = 20 kilometers sees two towns directly to the east of the plane. The angle of depression to the towns are 55˚ and 28˚. How far apart are the towns?
asked by anonymous 
math
Which fraction is equivalent to 0.75? (there is a line over 75) a. 75/100 b. 20/33 c. 25/33 d. 3/4 i thought it was d but that is when the decimal doesn't repeat so im confused :(
asked by cheeseplatterplagg 
health
The functional unit of the nervous system is
asked by yeeee 
Science
What process occurs after a forest fire wipes out an entire ecosystem? What is this process called?
asked by A student 
English
“Rose Pogonias” by Robert Frost 1 A saturated meadow, 2 Sunshaped and jewel small, 3 A circle scarcely wider 4 Than the trees around were tall: 5 Where the winds were quite excluded, 6 And the air was stifling sweet 7 With the breath of many
asked by person 
Math
Two ships A and B leaves the some harbour at the same time in directions 152° and 142° respectively calculate the distance between the two ships when A has travelled 10km and B has travelled 12km. What is the bearing of A from B at this time
asked by Idris 
math
The volume of a rectangular prism is 1,000^3 mm. Use the formula V = lwh to determine which of the statements are true. Choose all that apply The prism could be a cube with a side length of 10 mm.*** It is possible for the length to be 1,000 mm.*** The
asked by molly 
History
Which best describes a similarity between how the Chinese Ming and Japanese Tokugawa governments viewed Jesuit missionaries? They both felt that Jesuit missionaries were undermining the native religion. They both saw Europeans as backwards and primitive,
asked by Nathan 
algebra
Determine if each root is a rational or irrational number. Explain your reasoning. √36 3√78
asked by Please Help 
Criminal Justice
I have a hard time trying to start a paper and just need a little help. I need to write about "What is meant by the concept the racialization of crime. Explain how African Americans and Latinos have been radicalized as criminal and how this racialization
asked by Heather 
Chemistry
An ideal solution made up of benzene (C6H6) and Toluene (C6H5CH3) has mole fraction of benzene as 0,0.25,0.5,0.75 and 1.0 at various concentrations
asked by Praise 
History
Why is the Korean War significant in world history?
asked by Flare 
algebra
So im struggling in math right now and i need help to do this can anyone please explain step by step on how to do this its solving systems of equations by substitution 5x4y=23 y=1/3x5
asked by Anthony 
algebra
Are these correct now Mr reiny? What is the solution of x² + 64 = 0? A. –5 B. 8*** C. ±8 D. no solution What is the value of b in the triangle shown below? A right triangle is shown. The height equals 3 b. The base equal b. The area of the triangle
asked by firstname 
Math
Let A , B , and C be events associated with the same probabilistic model (i.e., subsets of a common sample space), and assume that P(C)>0 . For each one of the following statements, decide whether the statement is True (always true), or False (not always
asked by Nate 
maths
A man travels 7 km due north and then 9 km due east. At end of his journey find his bearing from starting point.
asked by shivika 
social studies
what geographic fetures of of arkansas made it difficult for settlers to travel? select all that apply. amountains bthe mississippi river cforests drivers in the southeast
asked by olivia 
Math
How do you find the derivative of this function: G(x) = (x^4  x +1)^2 * (x^2  2)^3
asked by Anonymous 
Math
What is 1/8 as a percent?
asked by Teiona 
Still algebra
This time i has multiple questions. (5)^1 (the test reset and i forgot the answer) Suppose a spherical asteroid has a radius of approximately 3.2 x 10^3 m. use the formula 4/3 pi r^3 to find the approximate volume of the asteroid. This one is straight up
asked by doge master 
Math
How many hundreds are in 581
asked by Anonymous 
Algebra
Prove that for any natural value of n the value of the expression: (5n+1)2–(2n–1)2 is divisible by 7
asked by Helen 
math
In a survey conducted by Helena, a financial consultant, it was revealed of her 426 clients 287 own stocks. 188 own bonds. 184 own mutual funds. 118 own both stocks and bonds. 99 own both stocks and mutual funds. 94 own both bonds and mutual funds. How
asked by DonnaJ 
Math
How do I find the hypotenuse of a right triangle knowing only one value and no angles?
asked by Caleb 
math
The Department of Foreign Languages of a liberal arts college conducted a survey of its recent graduates to determine the foreign language courses they had taken while undergraduates at the college. Of the 550 graduates 210 had at least one year of
asked by Brodie 
physics
air parcel A has an air temperature of 5℃ and an absolute humidity of 5g/m^3. What is its relative humidity and dew point temperature? Assume the air temperature is 1000hPa.
asked by physics 
math
Let A and B be subsets of a universal set U and suppose n(U) = 350, n(A) = 130, n(B) = 90, and n(A B) = 50. Find the number of elements in the set. n(Ac n B)
asked by Blake 
Chemistry
Epsom salts, a strong laxative used in veterinary medicine, is a hydrate, which means that a certain number of water molecules are included in the solid structure. The formula for Epsom salts can be written as MgSO4⋅xH2O, where x indicates the number of
asked by Carthage 
math
Five 14 oz. bottles for $13.50 and Seven 10 oz. bottles for $3.85. Which one has the lower unit price?
asked by jul 
Calculus
can sombody explain how (0to q)∫[(qCE)/rc]dt become (0to q)∫[1/(qCE)]dt= (0to t)∫[1/rc]dt and not (0to q)∫(qCE)dt= (0to t)∫[1/rc]dt. I don't understand where the1 for the first ∫ come from and the equal sign=
asked by Anonymous 
Math
Bob had 20 apples, which was 70% of Tommy's apples. How many apples does Tommy have? (Can someone explain to me? Lol, this was my homework.)
asked by Some Kiddo 
math
From a shipment of 75 transistors, 4 of which are defective, a sample of 6 transistors is selected at random. (b) How many samples contain exactly 3 defective transistors? (c) How many samples do not contain any defective transistors?
asked by Nikkie 
Chemistry
Paclitaxel, C47H51NO14, is an anticancer compound that is difficult to make in the lab. One reported synthesis requires 11 steps, and the final yield of paclitaxel is only 6 %. Assuming all steps have equivalent yields, what is the average percent yield
asked by ChemHelp 
Geometry
If the nanagon ( 9 sides ) has a length of m inches, then determine the length of the apothem, a
asked by Non 
physics
A man yell's in a long canyon and waits for the echo to come back to him. It takes 3.0 seconds for him to hear the echo of his yell. The sound has to travel down the canyon and back to reach his ears, and sound travels at 343 m/s. How long is the canyon?
asked by sammy 
Science
In _____ water trapped in rocks fire.exes and expands
asked by Anonymous 
Pharmacology
patient is receiving an antibiotic IVPB in 50ml every 8 hours to run over 1 hour plus a maintenance IV of 100ml/hr. what is the 24h intake parenterally?
asked by Alicia 
Chemistry
Re: Paclitaxel, C47H51NO14, is an anticancer compound that is difficult to make in the lab. One reported synthesis requires 11 steps, and the final yield of paclitaxel is only 6 %. Assuming all steps have equivalent yields, what is the average percent
asked by ChemHelp 
English
The sun was shining on the sea, Shining with all his might: He did his very best to make The billows smooth and bright – And this was odd, because it was The middle of the night. The moon was shining sulkily, Because she thought the sun Had got no
asked by Gamerwolfgurl 
Math
Josie and her brother, Sean both have a job after school. For every $5.50 that Josie earns, her brother earns $6.50. On Tuesday, they earned a totoal of $30.00. How much money did Josie earn? How much did her brother earn?
asked by Nancy 
math
− 10 x + y = 4
asked by jjbkuy 
Physics
A body weigh of 0.26N in air. When total emmers in water weight 0.16h and 0.18n in another liquid. Calculate the relative density of of liquid
asked by Ahmad 
biology
Do you think evolution is still taking place in the Galapagos finches? Why or why not
asked by tg 
chem
If 240 mL of 0.583 M aqueous H2SO4 and 89.1 g of solid CaCO3 are reacted stoichiometrically according to the balanced equation, how many grams of solid CaCO3 remain? Round your answer to 3 significant figures. H2SO4(aq) + CaCO3(s) → CO2(g) + CaSO4(s) +
asked by bruh 
Physics
In a sound wave in air, the adjacent rear faction and cooperation are separated by a distance of 17m. If the velocity of the sound is 340ms, determine the frequency
asked by Tasha 
Physics
Cooling of an electronic power transistor is assisted by attaching it to an aluminium heat sink. The electrical power to be dissipated is 0.3 watts, the exposed surface area of the heat sink is 0.001m2, the convection heat transfer coefficient is 6.0
asked by Vix 
Chemistry
LA Mixture Of 0.2 Mole OF alcohol A Bond aSHMole Of Alcohol Has a total Vapour Pressure Of 40 morty at 298K.1tne Mixture Raoult's law, Find the Pure Vapour Pressure F Bat 298k given that the Vapour Pressure OF A ls 20 month at 298 k.
asked by Bajo 
chemistry
why must not the condensed water drip into the flask?
asked by seamus nikavaka 
Chemistry
A gas has a volume of 4.25m³at a temperature of95.0 ° Cand a pressure of 1.05 atm. What temperature will the gas have at a pressure of 1.58 atm and a volume of 2.46m³?
asked by Sheperd 
Physics
State two difference between the density and relative density of an object
asked by Ummukhulsum 
Careers
What career paths can i take with these subject Maths Pure,Hist;Bio,Consumer,Eng home
asked by Blessing 
Science
In an island ecosystem, Fox and Skunks both hunt mice and toads. Which of the following correctly describes some of these relationships? A:Skunks and mice have a competitive relationship. B:Skunks and toads have a predatorprey relationship. C:Fox and
asked by A student 
Economics
Part III: Calculate the Following Questions by Using the Necessary Steps (4 pts each) 1) A monopolist is deciding how to allocate output between two markets that are separated geographically. Demands for the two markets are P1 = 15 –Q1 and P2 = 25 –
asked by Anonymous 
Auto
What tool should be used to grip and remove a clipon wheel from the wheel rim
asked by Anonymous 
Arte
Elija la declaración que mejor represente el uso de este recipiente de síntoma del séptimo centro en el contexto apropiado. A. Esta copa de vino se usó durante fiestas elaboradas. B. Los residentes de Syrain pulieron tales objetos para usarlos como
asked by Yo hablar Española 
Social Studies
Drag the country to the correct box VietnamSingaporeMalaysia 1) the world's leading producers of semiconductors 2) has become a leading financial center 3) consists of primarily lowwage and lowskilled jobs (please help someone I'm so confused)
asked by ok boomer 
Science
Increased oxygen levels allow more fish to survive in this wetland ecosystem. If more fish survive and their numbers increase, what will happen to the wading bird population?
asked by Help! 
English
Text: 1 The memory of cannon fire fades like evening mist. 2 Footsteps echo softly above me 3 My bride kneels at a stone. What conclusions can you draw from about the reader? A, The speaker is a soldier in his first battle, fearful of what is to come. B,
asked by John Doe 
Science
To describe motion you need to use units of measurement. _____________ is the length of the path between ______ points. The SI unit for length and distance is _________.
asked by Goldfish 
Science
Gradual slope means ______
asked by Goldfish 
math
A DVD has a diameter of 24 centimeters. What is the area of the DVD? Round your answer to the nearest hundredth. Use 3.14 for π.
asked by Alyssa 
Maths
two apples and a mango cost £4 two apples and 3 mangoes cost £9 find the cost of a mango
asked by Liam 
math
Find │7│.
asked by souls 
Biology
What are the function of mammalian skeleton
asked by Anonymous 
History
Who were the three people that were promised the throne by King Edward?
asked by SFS 
English
In Act 2, scene 3 of A Christmas Carol: Scrooge and Marley, what is Scrooge's first reaction on seeing cratchit's family?
asked by Elijah 
math
The sum of angles of an octagon is 750.Three angles are equal.Calculate the sides of the equal angles
asked by Bolu 
music
unit 2 lesson 6 answers 1.b 2.b 3.b 100%
asked by koolaid man 
Civic
How does “the work of art” relate to the movements it supports?
asked by Andy 
math
a shopper paid $51.93 including tax for an item marked $48.99. what should she pay for another item marked at $75.00
asked by jimmy 
maths
How many reader read the newspaper us
asked by Esther 
Algebra
The diameters of four different atoms are shown below. Atom A: 6.35 x 10^7 Atom B: 1.80 x 10^6 Atom C: 2.00 x 10^7 Atom D: 2.50 x 10^8 IT says to list them from LARGEST to SMALLEST. I know what i have to do, but not sure where to start, like what i
asked by doge master 
Statistics
Suppose there are two full bowls of cookies. Bowl #1 has 10 chocolate chip and 40 oatmeal, while bowl #2 has 30 chocolate chip cookies and 20 oatmeal cookies. Our friend Bob picks a bowl at random, and then picks a cookie at random. We may assume there is
asked by James King 
science
the water in beaker a boiled at 100 C. at what temperature will the water in beaker b began to boil? a.50 C b.100 C c.125 C d.150 C ( i pick this)
asked by hello 
math
find the height of a parallelogram with base 9.44 meters and area 70.8 square meters.
asked by CaptainEgg93 
Maths
X+y=25
asked by Anonymous 
Still algebra
Simplify the expression (3)^10 (3)^9 A; 3 B; 1/3 C;9^90 (my answer) D 9 Am i correct?
asked by doge master 
Algebra A1
The cable company increase the cost of the basic cable package by 15%. Write the function of g(x),which gives the new cost per month, as a transformation
asked by Melissa 
chemistry
how to calculate work in a bomb calorimeter
asked by martha 
Physics
A relative density bottle weight 20g when empty, 80g when field with water and 100g when with a liquid. Fine the relative density of liquid.
asked by Ahmad 
History
Which one of these women were not part of the women's suffrage movement? A.)Rosa Parks B.)Elizabeth Cady Stanton C.)Lacretia Mott D.)Susan B. Anthony
asked by Marie 
Math
Can someone simplify this? Please show your work! (2/3h^3)
asked by I Love Taylor Swift 
algebra
Solve each equation by graphing the related function. If the equation has no realnumber solution, write no solution. x^2+7=0 Can someone explain why the answer is no solution?
asked by Anime_is_cool 
english
PROCTOR: Herrick! Herrick, don’t chain her! (He rushes out the door. From outside.) Damn you, man, you will not chain her! Off with them! I’ll not have it! I will not have her chained! (There are other men’s voices against his. Hale, in a fever of
asked by non 
english
CHEEVER: You see it, sir, it is a needle! HALE: Why? What meanin’ has it? CHEEVER (wideeyed, trembling): The girl, the Williams girl, Abigail Williams, sir. She sat to dinner in Reverend Parris’s house tonight, and without word nor warnin’ she falls
asked by non 
reading
how are limericks and haikus alike
asked by delani 
algebra
A dinosaur fossil is 95,550,000 years old. How can you express this age in scientific notation with the highest level of precision/ A: 9.355 x 10^7 ********* B: 9 x 10^7 C: 9.36 x 10^7 D: 9.3 x 10^7 Is my answer (A) Correct? I found this question a bit
asked by doge master 
Algebra
Solve each equation by finding square roots. If the equation has no realnumber solution, write no solution. 4g^2=25 In the equation when i divide 25 by 4 why do i keep it as 25/4 threw out solving the rest of the problem? why not change it to 4??? I'm
asked by Anime_is_cool 
Math
How do I simplify this? I am struggling in math.😥 (2mx^3)^4/8m^5x^0 Please help me!
asked by I Love Taylor Swift 
algebra
What is the solution of n² – 49 = 0? A. –7 B. 7 C. ±7*** D. no solution What is the solution of x² + 64 = 0? A. –5 B. 8 C. ±8*** D. no solution What is the side length of a square with an area of 144x²? A. 12 B. 12x C. ±12x*** D. no solution
asked by firstname