Questions Asked on
March 28, 2016

Calculus
Determine whether the hypotheses of the IntermediateValue Theorem are satisfied. f(x)=x^1/3 , [a,b]=[1,1] Please, explain. Thank you.
asked by Alice 
Calculus
find the area between x=tan^2y and x=tan^2y in pi/4
asked by Bethany 
Chemistry
In a 1.0× 10–2 M solution of CH3NH3Br(aq), identify the relative molar amounts of these species. H2O, OH, CH3NH3+, CH3NH2, H3O+, Br, HBr
asked by Joe 
Equilibrium Consentration
At a certain temperature, the reaction H2(g)+ Cl(g)=2HCl(g)has Kc = 5 x 10^8. If a reaction mixture at equilibrium contains 0.48 M of H2 and 0.23 M of Cl2, what is the concentration of HCl? I was wondering if I had to rearrange the equilibrium constant
asked by Alice 
physics
Moving with uniform acceleration a body covers 80 m in first 5s and 180m in next 5s.find initial velocity and acceleration
asked by rushil 
English grammar
Honour and reputation (is/are) dearer than life. Suitable form of verb is:
asked by Shreya 
English grammar
Which of the following is a simple sentence? a) He ran fast but he failed to win the prize. b) Although he ran fast he failed to win the prize. c) In spite of running past, he failed to win the prize. d) He failed to win the prize because he did not run
asked by Shreya 
physics
solid sphere,thin walled hollow sphere,solid cylinder from above the ground in the same mass and radius which object reach first the ground?
asked by Yonas 
English grammar
"Fame shall sound thy praise from sea to sea". Can this be considered an example of personification?
asked by Shreya 
Math
Josie wants to tile one square section of her countertop. She bought 850 tiles with side lengths of 1 inch. A. What is the largest side length of that countertop she can tile? Round to the nearest whole inch. B. How many tiles will she have left over?
asked by Brandon 
english
1 state ten ways on how to study to understand and remember more of what you study 2. State two causes why you find it difficult to remember when you read/study 3. Briefly say two ways you can do to correct the courses
asked by samson peter 
English grammar
Punctuate the following sentence: How is the weather today Sam said John. I think the punctuated sentence would be: "How is the weather today Sam?" said John. I am not sure if there is a comma before Sam and said. Am I correct? Please help!
asked by Shreya 
English
1. We will go to school by bicycle along the coast road. 2. We will go to school by bicycle along the coastal road. (Do we have to use 'coast' or 'costal"?) 3. He took the bus. 4. He get on the bus. 5. He used the bus. 6. He rode the bus. (Can we use all
asked by rfvv 
English grammar
1) If it rained heavily, the reservoirs______ full. Use the right form of verb to fill in the blanks. a) will be b)would be c)would have been d) will have been (I think the answer is option b). Am I correct?)
asked by Shreya 
English grammar
1) Observe the relation and fill in the blanks. food:crude:: should: ____ (I think the answer could be prude but it could also be would, could etc. I considered these answers because all of them rhyme with should just like crude rhymes with food. But there
asked by Shreya 
Maths
If logx^3=0.5,find the value of x.
asked by Bright ulubi 
Maths
If 52n24n=25n. Calculate the value of n.
asked by Bright ulubi 
physics
two charged particles of masses 4m & m and having charges +q & +3q are placed in uniform electric field they are allowed to move for 2 sec find the ratio of their kinetic energy solution
asked by Arshita 
math
A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. 2. 2 or more will be
asked by Bravo 
math
A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold. (base on probability and combinatorial analysis)
asked by Bravo 
math
Suppose 3 balls are drawn at random from a box containing 8red,3white and 9blue balls,combinatorial analysis can be employed to determine the probability that,for instance,all balls drawn are red.determine that: I. At least one is white. II.one of each
asked by Ibrahim 
Chemistry
Given the reaction 2HI (aq) + CaCO3(s) = CaI2(aq)+CO2(g)+H2O(l) What volume of of CO2 can be produced from 255mL of 3.0M HI and 75.2g of CaCO3 at STP? 75.2g CaCO3/100.09g/mol CaCO3 =.751mol CaCO3 (3M)(.255L)=.765 mol HI
asked by Kevin 
English Grammar
Please explain adverb phrases, prepositional phrases, verb phrases, noun phrases and adjective phrases along with examples. 2) "How is the weather today, Sam?" said Jonh. Why isn't a comma required before "said John?"
asked by Shreya 
English grammar
Punctuate: My orchard was often robbed by schoolboys and my wife's custards plundered by cats. I think the answer would be: My orchard was often robbed by schoolboys; and my wife's custards, plundered by cats. Am I correct? Why/ Why not?
asked by Shreya 
linguistics
Morphemes in algebra
asked by jemima 
English
I need an example of a simile for 'relieved'.
asked by Dan 
Math
8 Elizabeth recorded the length in centimeters of the pinky fingers of 10 students in her math class. The results are shown below. What is the mean absolute deviation for length of a pinky finger? 6.1, 5.4, 5.8, 6.3, 6.2, 5.9, 6.5, 5.2, 4.9, 5.5
asked by Anonymous 
Algebra
what is the equation in standard form of a parabola that models the value in the table? x 2,0,4 fx 1,5,59
asked by Link 
Math
A man uses 60m of fencing to make 3sides of a rectangular fence,the fourth being the wall,if the area enclosed is 448m^2 .Find the possible length of the sides of the fence.
asked by Kuteesa 
Science
Which type of energy in the bungee chord prevents the bungee jumper from hitting the ground after a jump? A. kinetic energy B. elastic potential energy *** C. magnetic potential energy D. thermal energy  Side note: Please help. I am not asking for the
asked by Drew 
Physic
ON is the vertical plumb line.A horizontal force F applies at M to push the piston at O and N,with the help of rods MO,MN.The rods MO,MN have the same length,when the distance of ON is 200cm,the distance of M to the plumb line ON is 10cm.Assuming the
asked by Joey 
math
Find the orthogonal canonical reduction of the quadratic from x^2+y^2+z^26xy+2yz. Also, find its principal axes,rank and signature of the quadratic form.
asked by gourav bhardwaj 
math
Which of the following are binary operation.justify your answer. (i) the operation . defined on Q by a.b =a(ba) (ii) the operation . defined on [0, pi] by x.y = cosxy also,for those operation which are binary operations,check whether they are associated
asked by gourav bhardwaj 
English
1. Because it was a rainy day, he took an umbrella with him. 2.Because it was a rainy day, he took an umbrella. ================= Do we have to use 'with him' as in the first sentence? How about #2? What is the difference between Sentence 1 and Sentence 2?
asked by rfvv 
English
You can't fly to Canada in an hour. It's impossible. ==================== What is the meaning of 'in' in the first sentence? Does 'in' mean 'within' or 'after'?
asked by rfvv 
Maths
In a test for every 6 answers carlene got correct, she got 2 wrong. She got 54 correct answers. 1 how many questions did the test have? 2 express the number of questions she answered correct as a percentage.
asked by Ren 
GA State History
1. How did mechanization change the agricultural industry? (Choose all that apply. (2 points) I think the answers are It increased production of crops, and It caused the cotton industry to decline. Can you check the answer for me? Thank you.
asked by Anonymous 
Social Studies
1. What did the Mayan calendars track? a: religious celebrations and battles b: religious celebrations and the seasons c: games poktatok and the seasons d: games of poktatok and battle i think it is A
asked by rhydian morris 
math
A wire of lenght 90 cm is bent to form a square.Find the length of the side of the square
asked by amanul rahman 
Math
If 1L cost $1.25 then how much would 1cup cost? How would i do this?
asked by Tiara 
English
Thank you for your help. There are some more sentences concerning the preposition 'in.' 1. He will be back in a few days. 2. The show starts in an hour. 3. Do you wnat to meet here in an hour? (Does 'in ' mean 'after a particular length of time'?)
asked by rfvv 
science
a body with a mass of 40kg is at the point of sliding down an incline plane of 20degrees.calculate the external force required to pull the body up the incline plane
asked by Anonymous 
p.e/ drugs
1. The first step in getting help for drug abuse is (1 point) A: detoxification. B: withdrawal. C: joining a therapeutic community. D: recognizing the problem 2. A place where former drug abusers live together and learn to be drugfree is called (1 point)
asked by rhydian morris 
Maths
A boat sails 4km on a bearing of 038 degree and then 5km on a bearing of 067 degree.(a)how far is the boat from its starting point.(b) calculate the bearing of the boat from its starting point
asked by Bright ulubi 
English
Thank you for your help. 1. He will be back after a few days. 2. He was back after a few days.  In the past tense, do we have to use 'after' as in Sentence 2? What about Sentence 1? I used 'after' instead of 'in.' Is this sentence grammatical?
asked by rfvv 
English
1. No one wants to work with dirty,smelly people. 2. No one wants to work with dirty smelly people. 3. No one wants to work with dirty and smelly people. =============== Which ones are grammatical? In #1, a comma was used before 'people.' In Sentence 2, no
asked by rfvv 
LA
what's the main theme in Freak the Mighty? I need to do an essay on this but cant even figure out what the theme is
asked by AlmostStolen 
statistics
Data has been collected from a representative of a welldefined population to answer the question: "How much money does the average senior male at Normal Community High School have in his pockets at the end of the school day on Friday?" The next step in
asked by michelle 
HÓA
O2+CL2
asked by Anonymous 
maths
students are made to stand in equal rows with equal number of students.if 4 students are added to each row ,the number of rows will be reduce by 2 otherwise if 4 students are deducted from each row, the numer of rows will be increased by 3. then find the
asked by rohan 
Chemistry
Given that you are starting with 20.816 grams of Fe and 7.079 grams of O2, what is the THEORETICAL YIELD of Fe2O3 in moles?
asked by Ben 
Chemistry
I BADLY NEEDED HELP ON THIS :( A volume of 1.1 liters of 02 was collected inside a balloon at 295 K and 13.6 psi. The next day, the surrounding conditions were observed to be 32 C and 0.98 atm. What is the volume of the gas inside the balloon? (1 atm =
asked by woody 
Chemistry
Which of the following solutions has a molarity different from the rest? a. 6 N H3PO4 b. 4 N Ca(OH)2 c. 8 N HC2H3O2 d. 2 N NH40H
asked by Peabody 
Civics
A citizen who registers with the Republican party a) must vote for Republican candidates b) identifies with Republican ideas * c) can vote in any party’s primary d) can never change his or her affiliation
asked by Anonymous JAK 
math
If you randomly select a card from a wellshuffled standard deck of 52 cards, what is the probability that the card you select is a Jack or 2? (Your answer must be in the form of a reduced fraction.)
asked by Anonymous 
math
If you randomly select a card from a wellshuffled standard deck of 52 cards, what is the probability that the card you select is a diamond or 6?
asked by Anonymous 
English (No links please)
Who is Dolphus Raymond in Harper Lee's Nobel Prize winning book "To Kill A Mockingbird"?
asked by Aaden Caldwell 
math
A couple plans to have three children. What is the probability that a) they have all boys? b) they have at least one girl?
asked by Anonymous 
Geometry
Is it true for a reflection on a plane... To reflect across the: xyplane (x,y,z)→(x,y,−z) xzplane (x,y,z)→(x,−y,z) yzplane (x,y,z)→(−x,y,z)? Is that true for all planes or just a few particular ones?
asked by Aaden Caldwell 
Life Orientation
Critically discuss ways in which human rights violations influences individuals, groups and the broader S.A I thought of many individuals will no longer be free and won't feel safe in their own country which increases emigration and reduction in S.A's
asked by Annah 
math
If you randomly select a card from a wellshuffled standard deck of 52 cards, what is the probability that the card you select is a Queen or Jack?
asked by Anonymous 
math
If you randomly select a card from a wellshuffled standard deck of 52 cards, what is the probability that the card you select is a spade or 6?
asked by Anonymous 
math
If Mr Nawa earns N$ x in a week and spend N$ y, what part of his weekly salary did he save?
asked by Anonymous 
Science
A rectangular piece of wood measuring 20cm by 5cm by 3cm weighs 900kg.Find the greatest pressure the piece of wood can exert if placed on a table.
asked by Mike 
practical english
Answer questions 1–4 in one or two sentences. Question 1a–1b is based on the following paragraph. A trip to the ocean can be a relaxing escape from the everyday pressures of life. A sailboat glistening on the horizon provides a mental escape to faraway
asked by Anonymous 
physics
A wave of frequency M sec1 has a velocity of 4M m/sec. (a) How far apart are two points whose displacements are (𝑴𝟐)𝑜. apart in phase? (b) At a given point, what is the phase difference between two displacements occurring at times separated by
asked by Anonymous 
Math
Suppose that a company guarantees refrigerators and will replace with a new one that breaks while it is under the guarantee. However, the company does not want to replace more than 5% of the refrigerators under the guarantee. For how long should the
asked by Morgan 
math
In the 6/55 lottery game, a player picks six numbers from 1 to 55. How many different choices does the player have?
asked by Anonymous 
History
The economy's total output divided by its total population is called A. gross national product B. circular flow C. GDP per capital D. net export
asked by Evan 
Math
In the US, there is a .9 probability that a dollar bill is tainted with traces with drugs. If we randomly select 6 bills, what is the probability that 0 will be tainted? I got .0657 using my calculator
asked by Meaghan 
mathmatics
The last time you ordered paper you paid $5.00 per ream. The current price is $4.70 per ream. What is the percent of decrease in "+{price?
asked by shawna 
Civics  check my answers
1. Sixth Amendment "In all criminal prosecutions, the accused shall enjoy the right to a speedy and public trial, by an impartial jury of the State and district wherein the crime shall have been committed, . . ." What were the Founding Fathers most likely
asked by Anonymous JAK 
Social studies
1.greece's economy prospered thanks to? A. the arts B. philosophy C. trade (MY ANSWER) D. Architecture 2.Nationbuilding began in europe as a result of war and the? A.end of muslim rule. B.growth of cities. (MY ANSWER) C.black death D.magna carta
asked by LOVE 
Social Studies
What was important about boycotts, sitins, and freedom rides? link please to help?
asked by ? 
Statistics
How do I find a p value given the Z statistic using the empirical rule?
asked by Sarah 
Social studies
3.The magna carta was the first step toward England's? A. large cities B. war with france C. merchant guilds D. more democratic government (MY ANSWER) 4.athens permitted citizens to take part directly in the daytoday affairs of goverment and became the
asked by LOVE 
finance
EUR/USD=1.1210/1.125 USD/JPY = 112.15/114.25 EUR/JPY =???
asked by Anonymous 
Physics 110
How much energy is needed to raise 500 grams of water from 10 degrees Celsius to 40 degrees Celsius?
asked by Jennifer 
Geometry
The ratio of the width to the length of a rectangle is 4:5, If the area of the rectangle is 500 square centimeters, what is the length of the rectangle?
asked by JCAINE 
Math
You borrow 1,200 at a rate of 4.5% for a period of 2 years. How much will you repay at the end of 2 years? a. $108 b. $1,080 c. $1,308 •• d. $2,280 Correct me
asked by Pablo 
Math
Suppose that a company guarantees refrigerators and will replace with a new one that breaks while it is under the guarantee. However, the company does not want to replace more than 5% of the refrigerators under the guarantee. For how long should the
asked by Morgan 
Finance
Pasqually Mineral Water, Inc., will pay a quarterly dividend per share of $1.40 at the end of each of the next 12 quarters. Thereafter, the dividend will grow at a quarterly rate of 1.2 percent, forever. The appropriate rate of return on the stock is 10
asked by Garfunkel 
Finance
Fifth National Bank just issued some new preferred stock. The issue will pay an annual dividend of $15 in perpetuity, beginning 20 years from now. If the market requires a return of 4.5 percent on this investment, how much does a share of preferred stock
asked by Jomac 
Finance
Universal Laser, Inc., just paid a dividend of $3.30 on its stock. The growth rate in dividends is expected to be a constant 6 percent per year, indefinitely. Investors require a return of 15 percent on the stock for the first three years, a rate of return
asked by Jason 
Math
You borrow 1,200 at a rate of 4.5% for a period of 6 months How much will you repay at the end of 6 months? A. 27 B. 54 C. 1,173 D. 1,227•• Correct me
asked by Pablo 
Math
So Prize money of $500 is divided between Alan & Jim so that Alan receives $170 more than Jim How much does each receive  Using one variable:: Let Jim have "x" Then Alan has "x+170"  Equation: x + x+170 = 500 2x = 330 x = $165 (Jim's share) x+170
asked by Jeremy 
Social studies
5.which of the following was a factor in the fall of the roman empire? A. one emperor united the empire B. the roman army weakend (MY ANSWER) C. taxes fell D. price decreased 6.Which of the following contributed to the rise of cities in the High middle
asked by LOVE 
Science
WHAT ARE ALL THE ELEMENTS TO THE PERIODIC TABLE!!! Thanks for the help!
asked by Salo 
Statistics
How do I find a P VALUE given the Z statistic using the empirical rule? Doing this by hand
asked by Sarah 
chemistry
acetic acid and oxalic acid exist in different states at room temperature. one is a liquid the other is a solid which is the solid? Explain.
asked by Mia 
chem
Arrange the following compounds in order of increasing boiling point. butanal 1butanol diethylamine tartaric acid butane butanoic acid and can you please explain why?
asked by Emily 
algebra
I have a rectangular prism with a volume of 48 cubic feet and a height of 3/4 foot. The base of the rectangular prism is not a square and the width is greater than 2 feet. What is the length and width of the rectangular prism?
asked by John 
math
grant needs 2/3 cup of raisins and 3/4 cups of almonds to make trail mix. which statement can be used to find out if there are more raisins or almonds in the mix?
asked by michele 
Trigonemtry
The sun is 25° above the horizon. Find the length of a shadow cast by a building that is 100 feet tall (see figure). (Round your answer to two decimal places.)
asked by Lou 
Math please help
The measure of the supplement of an angle is 30 more than twice the measure of the angle. Find the measure of the angles.
asked by Dylan 
EASY Math
The equation V = 2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $14,000, find the age of the car.
asked by Sarah 
History
1.)How did New England's textile industry affect women? A.)New technologies required men to work far from their wives & families. B.)The jobs in the this field were considered "men's work
asked by #FreeGucci 
wireless
suppose that a temparture is rising from o to 30'c than what will be note power density
asked by ali shah 
Chemistry
1)Naturally occuring boron is made up of 20% by mass of 10B isotope and 80% by mass of 11B isotope.Calculate the relative atomic mass of boron. (2)Natural Silicon containing ores contains 92% of 28Si, 5% of 29Si and 3% of 30Si.Calculate the relative atomic
asked by PEACE 
algebra 2
A new development has 105 houses, all same size. if Evan can paint a house in 4 days and Joel can paint a house in 3 days, how many weeks will it take them working together to paint all 105? A normal work week is 5 days.
asked by Sydney 
History
2.)Which factor contributed most to Florida's admission to the Union as a slave state? A.)The importance of Florida's ports to the transatlantic slave trade B.)The central role of slavery in maintaining Florida's railroad C.)The difficulties of preventing
asked by #FreeGucci 
math
Kevin will rent a car for the weekend. He can choose one of two plans. The first plan has no initial fee but costs $0.90 per mile driven. The second plan has an initial fee of $50 and costs an additional $0.70 per mile driven. How many miles would Kevin
asked by marisol 
physics
A car drives straight down toward the bottom of a valley and up the other side on a road whose bottom has a radius of curvature of 115 m. At the very bottom, the normal force on the driver is twice his weight. At what speed was the car traveling? I have
asked by Rain 
math
At a certain time of the day the elevation of the sun is 40 degrees. To the nearest foot, find the height of a tree whose shadow is 35 feet long.
asked by Chris 
math
The Washington monument is 555 feet high. If you are standing one quarter of a mile, or 1320 feet, from the base of the monument and looking at the top, find the angle of elevation to the nearest degree.
asked by Chris 
math
find the values of cosine 21 degrees, and sine 3 pi divided by 10
asked by Chris 
Algebra
A grocery store chain needs to transport of 3000m^3 of refrigerated goods and 4000m^3 of nonrefrigerated goods. They plan to hire truck from a company that has two types of trucks for rent. A truck of type A has a refrigerated goods section of 20m^3 and a
asked by Anish Panda 
math
For holloween,David packed 6 lb of candy into bags of 1/3 lb each. How many bags of candy did David pack?
asked by jasmin daniels 
math
use the unit circle to determine the exact value of each angle: sine 30 degrees, cosine pi, sine 11 pi divided by 6, and cosine 135 degrees.
asked by Chris 
Chemistry
We're doing a spontentaity lab in chemistry and I wanted to make sure I was using the right equation to do the questions! Could someone make sure this is right?? q system =  (q water  q calorimeter)
asked by Alice 
Language Arts
What Is the Secret to Reaching Someone With Words? In this discussion, you will post issues related to connecting generations. To support your ideas, refer to the texts in this section, other texts you have read, and your personal experience and knowledge.
asked by HELP ASAP PLZZ 
Spanish
Which is farther away from the speaker? a. aquella chaqueta*** b. esta chaqueta c. una chaqueta d. esa chaqueta
asked by Kaai97 
Spanish
Where is ese abrigo located with respect to the speaker? a. on the speaker b. a long distance from the speaker c. no distance from the speaker d. a short distance from the speaker***
asked by Kaai97 
Spanish
Why has traditional Lenca pottery changed? a. The original materials are no longer available. b. The artist are no longer available. c. To suit modern tastes.*** d. To make it more beautiful
asked by Kaai97 
Spanish
Once piracy declined, what was the fort at Omoa used for? a. as a private palace b. as a school c. as a prison*** d. as a civic center
asked by Kaai97 
Spanish
What hangs over the front door of the Fortaleza de San Fernando? a. a Spanish helmet b. a pirate emblem c. a cannon d. a coat of arms***
asked by Kaai97 
math
You are dealt one card from a standard 52card deck. Find the probability of being dealt a card greater than 2 and less than 7. I got 5x4=20/52=5/13
asked by jessica 
sociel studies
how did most people in the middle colonies make a living
asked by melanie 
physics steve or damon help!!!!
A stone is thrown horizontally from the top of a vertical wall with a velocity of 15m/!@#$%^& the horizontal ground at a point 45m from the base of the wall.calculate the height of the wall g=10
asked by david 
Pre calc aesthetic quadratic stuff
two numbbers have sum of 9 and product of 20. What singlevariable quadratic equation in form of ax^2+bx+c=0 can be used to represent the product of the two numbers
asked by Sikkunt zyzz 
Geography
Could devolution happen between the USA and TexAs? explain?
asked by Anonymous 
CarpeDiem
When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from this resource. A. Television B. Callin radio C. Librarian**** D. Personal interview
asked by Public Speaking 
Chemistry
what mass of NaCl do you need to make a 500mL of a 0.10M solution?
asked by LUIS 
Public Speaking(check)
When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from this resource. A. Television B. Callin radio C. Librarian***** D. Personal interview
asked by CarpeDiem 
Language Arts
How can words or stories connect generations? How can interactions between generations create conflict? Can words resolve these conflicts? What can each generation teach the other? Why might is sometimes be difficult for two generations to communicate? Why
asked by HELP ASAP PLZZZ 
Chemistry
If 12.01 g of Mg metal and 6.56 g of O2 gas are reacted, 1) How many moles of MgO can be produced from the given mass of Mg? 2) How many moles of MgO can be produced from the given mass of O2? 3) From the above calculations, determine which of the
asked by Ben 
5th grade math
A seed needs to grow 3 in. in one week. the seed grows 1 7/8 in. one day and 1/2 in. another day. how many more inches does the seed new to grow. Do I add or subtract. help
asked by Jeffery 
Math
Triangle RST has angles measuring 38° and 75°. Triangle R′S′T′ has angles measuring 67° and 38°. The sides are proportional.. Is it dilation? If not what is it??
asked by Bubble 
Public Speaking(check)
1) An advantage of using narratives in your speech is that they: A. explain abstract concepts. B. calm emotions. C. create excitement.**** D. clarify technical ideas. 2) In planning to conduct research, it is very important to have and start with a (an):
asked by CarpeDiem 
History
3.)why would a seminole not like the united states honoring the memory of andrew jackson? A.)He fought wars against them and eventually forced them to move to Oklahoma.*** B.)He fought wars against them and prospected for natural gas in seminole lands.
asked by #FreeGucci 
Physics
Object A experiences a gravitational force due to object B. How would that force change if the separation distance is halved, mA triples, and mB is reduced to one quarter of its original value?
asked by lost in life 
Chemistry
To prepare one liter of 2.5 M solution of HCl, what is the volume of concentrated HCl (37% p/p, d = 1.19 g/mL) to be used?
asked by Nadia 
Physics
Jay (65 kg) is standing on a scale in an elevator holding an apple. The elevator begins to accelerate downwards at 2.4 m/s2. What does the scale read during this acceleration? would it be 793 N or 481N? N=m(ga) OR N=m(g+a)? and why plz!
asked by Bubble 
Math
Can you help with a math word problem on rates and ratios
asked by Susan 
English
Hello. I'll be grateful for some help. 1) Is the preposition "for" OK in the phrase "our hopes for a better future" or is it "of"? 2) Is the sentence OK "April 5th is my sister's birthday"? 3) Please check the sentence "I often recollect our boat trip on
asked by Ilma 
Geography
What are they physical features of Burma
asked by Anonymous 
Physics
Tom (65 kg) is standing on a scale in an elevator holding an apple. The elevator begins to accelerate downwards at 2.4 m/s2. (c) What is the acceleration of the apple with respect to Tom, after he drops the apple while accelerating? (d) What is the
asked by Bubble 
Geography
Physical features of Bhutan
asked by Anonymous 
maths
point A(4,6) and point B(7,9) are connected by straight line .what is the length of the line?(Pythagoras)
asked by maryam 
maths
how many 2/3L bottles can i completely fill from a 40L tank of water?
asked by maryam 
Physics
A 5.0 kg block is placed on top of a 10. kg block (ux1.eiu.edu/~cfadd/1350/Hmwk/Ch05/Images/P5.74.gif) . A horizontal force of 45 N is applied to the 10. kg block and the 5.0 kg block is tied to the wall. The coefficient of friction between the moving
asked by physics kid 
SS
Which statement best evaluates the results of Greeces membership in the European Union A. Greeces overall economy has improved because of increased trade. B. Greeces overall economy has improved because the euro is a strong Currency. C. Greeces overall
asked by HELP QUICK 
Grammar
What is the verb in this sentence? the peacock seemed more bea utiful than before.
asked by Deb 
Geography
What are all the boundaries of India that share with another? Is it Burma, Bhutan, Sind, and Khanpur? Or are there more
asked by Anonymous 
Math
What is the least common denominator of the four fractions listed below 20 7/10 20 3/4 18 9/10 20 18/25
asked by Candace 
Math
what is 4 5/8 and 3 3/4 added then subtracted by 11 1/8
asked by Candace 
math\
Michael invested a certain amount of money at 3% interest and $750 more than that amount at 5%. His total yearly interest was $157.50. How much did he invest at each rate?
asked by winsome 
History
5.)what was the main benefit of the factory system? A.)it cut cost's and made workers more efficient *** B.)it gave people their first chance too support themselves C.)it reduced pollution caused by familybased power sources D.)it increased the value of
asked by #FreeGucci 
Chmistry
Write a balanced chemical equation for the combustion of acetylene if the products are: a) Carbon and water vapour b) Carbon monoxide and water vapour c) Carbon, carbon dioxide. Carbon monoxide and water vapour d) The complete combustion of acetylene
asked by Sophia 
College Algebra
Suppose k(w)=2^w. (a) Find a formula for y=k(w)+7
asked by Samantha E 
Chemistry
The network parameter of molybdenum 0.314 Valley nm and its density to 20° C 10.22 Valley g/cm3. Determine the crystalline structure of the molybdenum
asked by Elizabeth 
1st math
How far does the minute hand move in an hour?
asked by Sara 
Algebra
Multiply and simplify the following radical expressions. (5√2 − √5)(5√2 − 5√5)
asked by diane 
Chemistry
How does the solubility of Mg(OH)2 in a buffered solution compare to the solubility of Mg(OH)2 in pure water?
asked by Salma 
Chemistry
Calculate the solubility (in grams per 1.00×10^2 mL of solution) of magnesium hydroxide in pure water.
asked by Salma 
Math
Mr. Santiago bought 10 crates of oranges. There were 50 oranges in each crate. He sold 65% of them. 8% of the remainder went bad, and he threw them away. a) How many money did Mr. Santiago earn if he sold the oranges 5 for $1.20? b) If he made $24.15 by
asked by Cailey 
C++
Homework is over pointers 1. (3 points) True or false? If (x == y) then (&x == &y). T F Explain your choice: I think its true but I don't really understand why If (x == y) then (*x == *y). T F Explain your choice: False but not sure why
asked by Digtzy 
Chemistry
A gas is bubbled through water at a temperature of 30°C and at an atmospheric pressure of 100.2 kPa. What is the pressure of the dry gas?
asked by jinal 
C++
(4 points) Identify the errors in the following statements. int* p = &44;  i think the star is the error because pointers are supposed to be like *p?? char c = 'w'; char p = &c;  if its char wouldnt that also be in apostrophe? So char c= 'w' and char p =
asked by Digtzy 
English
1. He will be back in a few days. 2. He will be back after a few days. 3. He will be back within a few days.  Are they all grammatical? What is the difference between #1 and #2?
asked by rfvv 
world civilization I
How did the foundation of Persian civilization differ from the foundations of other ancient societies
asked by Anonymous 
science
Which of the following is not an example of potential energy? Chemical energy gravitational energy mechanical energy*** nuclear energy
asked by Sid.V 
Gps
Arrange in order of increasing atomic size use appropriate < > = symbol to separate substances in the list 1. The period 2 elements Be,B and N The group 4A elements Sn,Si, and Pb
asked by Sherri 
Chemistry
What is the complete ionic equation for the following reaction? Aqueous iron(III) sulfate is added to aqueous sodium sulfide to produce solid iron(III) sulfide and aqueous sodium sulfate.
asked by Sarah 
Math
Without looking, George pulls socks from a drawer containing 2 white socks, 3 black socks, and 5 yellow socks. With each pull, a sock is removed from the drawer and is not replaced. Find the probability of drawing a yellow, black, and white sock in that
asked by Zion 
Nsu
Referring only to periodic table give the ionic charge expected for each of these elements (type your answers using the format 1+ and 2 
asked by Sherri 
Chemistry
If 12.01 g of Mg metal and 6.56 g of O2 gas are reacted, 1) How many moles of MgO can be produced from the given mass of Mg? 2) How many moles of MgO can be produced from the given mass of O2? 3) From the above calculations, determine which of the
asked by Ben 
Social studies
7.which of the following best decribes the overall affect of the renaissence on european attitudes toward art and learning? A. catholic leaders embraced humanism B.artists began to paint in a more stylized manner. C.classical humanism and realistic
asked by LOVE 
Science
Referring only to the periodic table give the ionic charge expected of these representatives elements type your answers format 1+ 2  Te Be Ba P Li Ga C At
asked by Sherri 
Physics
A 0.11kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 5.4 m, what is the maximum weight it can lift?
asked by Scott 
Math
A circle has a radius of 10 cm. A chord is 6 cm from the center. What is the length, in centimeters, of the chord?
asked by Nandhika Sivakumar 
Physics
A local ice hockey team has asked you to design an apparatus for measuring the speed of the hockey puck after a slap shot. Your design is a 2.00mlong, uniform rod pivoted about one end so that it is free to rotate horizontally on the ice without
asked by Frankie 
Chemistry
C + HNO3 = CO2 + NO2 + H2O oxidation, reduction and balancing
asked by KORINA 
specialized patient record
You are the director of health information services in a major medical center that maintains both a psychiatric unit and a substance abuse unit in addition to general medical and surgical units. Your facility plans to join a computer network with fifteen
asked by Anonymous 
physics
A 3.25kg object is attached to a vertical rod by two strings as shown in the figure below. The object rotates in a horizontal circle at constant speed 6.60 m/s. (a) Find the tension in the upper string. N (b) Find the tension in the lower string. N
asked by jojo 
Chemistry
Calculate how many grams of MgO that can be produced from 4.58 of Mg metal and 0.99 of O2 gas. Recall the balanced reaction is: 2 Mg (s) + O2 (g) 2 MgO (s) And the answers to part one were: Moles of MgO from 4.58 g Mg = 0.1884 Moles of MgO from 0.99 g O2 =
asked by Ben 
chemistry
Make the conversion 8.5 x10^2 cal to Calorie 4.5x10^1kj to calories
asked by lulu 
statistics
in 2012 it accepted that 41% or less preferred diesel engine needs a high school statistics student studying a randomly selected group of 51 male found that 23 of them prefer dieselpowered vehicle is that student correct and claiming them that males more
asked by kait 
Chemistry
Calculate the theoretical amount of .5M NaOH that it would take to neutralize approx. 2.0 g KHP. KHP is a monoprotic acid, the molar mass of KHP is 204.22 g/mol and the molar mass of NaOH is 40.00 g/mol. Answer in terms of mL. I converted g KHP to mols,
asked by Brad 
Calc 2
The figure shows a semicircle with radius 1, horizontal diameter PQ, and tangent lines at P and Q. At what height above the diameter should the horizontal line be placed so as to minimize the shaded area? I would post the figure but the website is not
asked by gabby 
Social studies
9.advances in science from the scientific revolution were applied to human affairs during the A.industrial revolution B.french revolution C.enlightment (MY ANSWER) D.age of exploration 10.which event led most directly to a decline in the political power of
asked by LOVE 
Chemistry PLS HELP!!!
A student collects oxygen gas by water displacement at a temperature of 17 Celsius. A barometer reads 92.3 kPa. What is the pressure of the water vapor? Look it up on a water vapor pressure chart. What is the pressure of the oxygen gas? (Answer: ~14.0 mmHg
asked by Ana 
Chemistry
A sample of calcario and other components of the soil was intensely warm. Under these conditions, the calcario undergoes decomposition in calcium oxide and carbon dioxide. CaCO3 (s)> CaO (s) + CO2 (g) The analysis of 71, 42 g of a sample of limestone
asked by William 
4th grade math
long jump measurements. Allison jumped 3/8 foot shorter than the farthest jump. How far, in feet, did Allison jump? how to calculate long jump measurements
asked by Anthony 
math
the slop of the line that goes through (3, 6) and (3,6)is._____ you may find it it helpful to graph the points first
asked by awesome 
Math
Jose got 80 percent of his questions correctly in his test which is 32 answers correct. how many questions were they in total? PLEASE HELP!!! THIS IS FOR A TEST
asked by Jenniferlove 
Collage Physic
A uniform rod hangs vertically on a frictionless horizontal axle passing through its center. The rod is 35cm long and 85g. A 15g ball of clay travelling horizontally at 2.5cm/!@#$%^&s and sticks to the bottom of the rod. What is the maximum angle the rod
asked by Andy 
question about uploading pictures
How can i post pictures to here? i need help with an extra credit logic puzzle
asked by TayB 
Nsu
Referring only to periodic table give the ionic charge expected for each of these elements (type your answers using the format 1+ and 2 
asked by Sherri 
Chemistry
I've run into some difficulty with my chemistry homework. We went over this practise question in class today as an example. However, I wasn't able to fully grasp how to work it out. "How many grams of nitrogen form when 34.6 grams of nitrogen dioxide
asked by Kara 
English grammar
Fill in the blanks with appropriate form of verb (past tense) The jewellery _____(be give)to her by her husband, who _____ died some years before. Since his death, she did not have the heart to wear it, yet she did not want to sell it. Now it seemed that
asked by Shreya 
Science
What is the main function of the lymphatic circulation is to A. transport hormones around the body B. provide immune function for protection C. provide a backup for systematic circulation D. transport nutrients and oxygen to cells I think B
asked by AMGCSTRNBSN 
Math please explain!!
A student got 80 percent problems correctly which is 32 problems correct. how many problems are they in total? I got 40 in a page but it did not explain can you PLEASE EXPLAIN!!!!
asked by Jenniferlove 
Alam
a car accelerates from rest at a constant rate x for some time after which it decelaretes at a constant rate y to come to rest .if the total time elapsed is t the total distance travlled by the car is given by what ?
asked by Aminur 
English (not homework)
I've been wondering, why is "how are you?" correct and commonly used instead of "how is you?" Since "is" is singular and "are" is plural and "you" is referring to an individual. An explanation will be appreciated. Thank you, tutors, for sparing your time
asked by anoon 
Math
find the equation of a parabola that has a vertex of (2,3) and contains the point (4,1).
asked by Isaiah 
Astronomy
You see a galaxy which lies at distance D from the earth. You measure a flux from this galaxy of f. If you assume a masstolight ratio of r (i.e. r is the number of kilograms needed to generate one watt of radiation), derive an equation for the stellar
asked by Anonymous 
Science
15. Which of the following factors is the most likely explanation for an energy deficit that results in exerciseinduced exhaustion. A.Insufficient protein production B.Insufficient mitochondrial function. C.Impair urea elimination. D.Absence of oxygen
asked by AMGCSTRNBSN 
math
If I had a rectangular prism with a volume of 64 cubic cm, what might the L, W and H be?
asked by victoria 
Chemistry
We have an aqueous solution that contains 22% (by mass) of a hypothetical solute Z. The formula weight of the solute Z is 215 g/mol. The density of the solution is observed to be 1.1 g/mL. What is the molarity of Z in this solution?
asked by El 
mothergooze
Fourteen subtracted from the product of 3 and a number equals 28
asked by Anonymous 
Chemistry Dr.Bob222
Which if the folowin species is not amphoteric? a) H2SO4 b) H2PO4 c) HPO4 2 d) HSO4 e) H2O
asked by Nevaeh 
maths
Please answer fully I am beginner for this if a , b ,c are in AP x , y , z are in GP . Prove that (x^b/x^c)× (y^c/y^a)× (z^a/z^b)=1
asked by Venk 
math
In a lottery game, a player picks 7 numbers from 1 to 45. How many different choices does the player have if order doesn't matter?
asked by Anonymous 
Math7th grade
A scale drawing is a parallelogram with a base of 8 inches, a height of 3 inches, and a side length of 4 inches. What is the perimeter and area? Perimeter 3x4x8 = 96 inches Area 8x3 = 24 inches Can this be correct? Sounds too easy. If it is correct, what
asked by Mimi 
math
Multiply fractions and whole numbers 3. Math class starts at 9:50 A.M. and ends at 10:45 A.M. How long is the class??? Please help me on this question I'm stuck on homework!
asked by maraya 
Math
If a square is 8.4 feet on each side. How many square feet is it
asked by Joe