Questions Asked on
March 18, 2016

Word Equations
Yochanan walked from home to the bus stop at an average speed of 5km/h. He immediately got on his school bus and traveled at an average speed of 60km/h until he got to school. The distance from his home to school is 35 kilometers, and the entire trip took
asked by Ta'Shanna 
MATH
1. Which number is a irrational number? A. 0.12 B. 0.1257486... C. 0.12121212... D. 0.111111... 2. Which number is an irrational number? A. 121/ B. 150/ C. 400/ D. 1,000,000/ 3. Which number is a perfect square? A. 32 B. 144 C. 1,000 D. 36,000 4. Sam
asked by HELP! 
Chemistry
How do i figure out if 2NO2 > N2O4 is a redox reaction
asked by Cabby 
maths
To fill a swimming pool two pipes are to be used.If the pipe of larger diameter I'd used for 4 hours and the pipe of smaller diameter for 9 hours only half the pool can be filled .Find ,how long it would take for each pipe to fill the tank separately, if
asked by Harshita 
chemistry
calculate the molarity of solution cacl2 . if on the chemical analysis . it is found that 200 ml of solution contains 3 into 10 raise the power 22 cl ions
asked by muskan 
math
If Building A had 8 more storeys than Building B, it would have 2 more than half a building with 46 storeys. How many storeys are there in Building B
asked by anna 
Math
In three more years, Miguel's grandfather will be six times as old as Miguel was. Last year, when Miguel's present age is added to his grandfather's present age the total is 68. How old is Miguel and his grandfather now? Miguel = 11 and his grandfather =
asked by Anonymous 
Geometry 5 questions
What is the image of point P (2, 3, 5) after a reflection about the xyplane? a. P' (2, 3, 5) b. P' (2, 3, 5) c. P' (2, 3, 5) d. P' (2, 3, 5) #2: What is the image point R (4, 1, 3) under the translation T (x, y, z) → T' (x  2, y + 1, z  4)?
asked by Geometry Help! 
math help pls pls
Analyze the following statement. Brandon puts his water in the refrigerator so it will stay cold. Is the statement an example of correlation or causation? A. Correlation because there aren't enough observable trials B. Causation because a refrigerator
asked by Oscar 
ELA
Which one of the following words has a negative connotation? (A)Middle? (B)Billows (C)Spoil (D)Done...........
asked by Satoko 
Math
What is the probability of selecting a red card from a standard deck of 52 playing cardships that does not contain a joker?
asked by Anonymous 
Math/precal
Determine the exact value of tan(38pi/12) or tan(19pi/6)
asked by Cabby 
chemistry
A chemist mixes 96.8 g of ammonia, NH3, with 188 L of O2 at STP. How many grams of NO will be produced? The balanced equation for this reaction is: 4NH3 +5O2 = 4NO + 6H2O
asked by Faith 
Physics
A 25 g bullet with a muzzle velocity of 300 m/s is fired into a board 4.0 cm thick. For a soft board, the bullet goes through the board and emerges with a speed of 50 m/s. What was the average force exerted on the bullet by the board? Answer= 27344 N Show
asked by Andy 
geography
A rectangular box with dimensions 2cm x 3cm x 5cm
asked by Jamara Williams 
Geometry
If a/4 = b/7, what is the value of a/b? Can somebody guide me through a step by step please? I know it's cross multiplication, I just want to make sure I know what I'm doing since I'm a little confused with this one.
asked by SkatingDJ 
Data management check
A fabric store has 44 bolts of fabric on its clearance table. Of these bolts 28 are broadcloth, 17 floral prints, 22 have a blue background, 12 floral prints on broadcloth, 10 arare broadcloth with a blue background, and 5 are floral prints with blue
asked by Rose 
Science
Two teams are pulling on a rope. Team 1 pulls with a force of 124 newtons, while team 2 pulls with a force of 110 Newton in the opposite direction which of the following correctly describes the motion that will result A. Team 1 will move, team 2 will not
asked by Tonya 
English
In the following lines, Juliet is speaking of her tears, as if they have feelings: "The tears have got small victory by that:/For it was bad enough before their spite." Identify the type of figurative language that is being used. A: Simile B: Metaphor C:
asked by Marylyn 
Math
A new theme park will have five roller coasters, six water rides and eight suspension rides. How many different combinations of rides could you try at this park.
asked by Rose 
Chemistry
The specific heat of aluminum is 0.900*j/g*C How much heat is required to raise the temperature of a 30.0 g block of aluminum from to 25.0 oC to 75 oC?
asked by Ashley 
Quick Geo Question! :)
Using Cavalieri's Principle, determine which of these prisms does not have the same volume as the others? a. dimensions 10 cm, 6 cm, 4 cm, 8 cm b. dimensions 6 cm, 8 cm, 8 cm c. dimensions 4 cm, 8 cm, 12 cm d. dimensions 8 cm, 3 cm 9 cm I got for a. 1,920,
asked by Aaden Caldwell 
Math
one less than a positive number times three more than that number is 32. Find the number
asked by Jony 
Geo
What is the altitude of this cylinder: B ==> C? A. line BC B. segment BC C. ray BC D. Point BC MY ANSWER: A. Line BC What is the total surface area of this cylinder? Radius = 8 cm Height = 16 cm A. 128 pi cm^2 B. 256 pi cm^2 C. 384 pi cm^2 D. 1024 pi cm^2
asked by Aaden Caldwell 
math help pls pls pls
The local ice cream shop is deciding whether or not to hire a new worker. The shop must pay the worker hourly and cover a daily cost for insurance. The cost to pay an hourly worker for one day is represented by the function y = 10x + 30, where x is hours.
asked by Oscar 
Math/Precal
How do i find the exact value for (Cos 5pi/16)(Cos pi/16) + (sin 5pi/16)(sin pi/16)
asked by Cherry 
Social Studies
discuss four significant events that occurred during Georgia following words to presentday how did these events shape the state positively or negatively? Can you give me a outline to start off with because I don't really understand what they really are
asked by Anastasia 
Math
(4,57)(3,20)(2,1)(5,?) What is the missing number?
asked by Nan 
ELA
This presentation should consist of 5 Gerund sentences (subject, subject complement, direct object, indirect object, and object of the preposition) 2 participles  (1 with an auxiliary verb and 1 as an adjective) 4 infinitives (subject, direct object,
asked by Fred 
Social Studies
Discuss the significance that segregation, voting rights, and education had on African American life in the South during the late 19th and 20th centuries. Is there any way I can get information for this or help Thank you
asked by Anastasia 
MATHS
While selling 15 copies, a man gains the cost price of 5 copies. Find his profit percent.?
asked by Clive 
Pre algebra
The perimeter of a rectangle is 10 m. Twice the width is equal to one half the length. Find the length and the width.
asked by Anonymous 
Algebra 2
Simplify the sum. (w2 + 2w – 24 + ) / (w2 + w – 30) (All the other help I can find they add +8w and 5w) please help.
asked by Sandra 
statistics
Suppose that you are in a class of 28 students and it is assumed that approximately 8% of the population is lefthanded. (Give your answers correct to three decimal place. Compute the probability that exactly five students are lefthanded
asked by Kyra 
Chemistry
K2co3.xh2o weighted in 10,5 gramms reacted with chloride acid till there are no more k2co3.xh20 . Co2 was volumed 1.12 litres (0 celsius, 1 atmosphere). Determine how the number of x is!
asked by Axl 
chemistry
Consider an isomeric mixture of alkenes of molar mass M=70g/mol. Determine the molecular formula of the alkenes.
asked by vicky 
History
The mountain ranges on Southeast Asia’s mainland shaped the history of the region because the mountains. A. separated the mainland from the rest of Asia and isolated early societies. B. created a climate that was favorable for growing spices. C. blocked
asked by jjiiddss 
physics
if the distance between two bodies is increased by 25% then % change in the gravitational force is
asked by sana 
Science
is there a chart available that show the vapor pressure of Isopropyl alcohol and water solutions at 68 degrees F ?
asked by Daniel 
Math
at the end of 1999 you bought shares in a company for 100 euro. During 2000 the shares increase in value by 10%. During the 2001 the shares decreased in value by 10%. how much were the shares at the end of 2001?
asked by Jacob 
Health
Women are at risk of developing alcohol dependence if they consume more than _______ drinks per week and ________ drinks on any single day. A. 7; 3 B. 5; 2 C. 10; 3 D. 4; 2 A?
asked by Martin1162 
math
Draw a line with 3 distinct pints on it. Label each with a different letter. How many different rays can you name using only the three given points? a)8 b)6 c)4* d)2 I'm guessing 4 but idk if it's two... can someone please explain?
asked by SWIRLY 
Math
I need help with this burrowing money questions. # 1: Zara received a credit card statement that has a new balance of $987.65 & a minimum payment of $43.21. The annual percent rate is 15% compounded daily and charged on the unpaid balance. Zara makes only
asked by Derek 
Math
Four people want to cross a bridge. They all begin on the same side. It’s night time and they only have one flash light with them. At most two people can cross the bridge at the same time, and any party who crosses, either one or two people must have a
asked by Tiffany 
7th Grade Science
Hi, I really need help with this. I'm supposed to find information about biodiversity and fishing or housing and answer these two questions: "What challenges does [your topic] pose to biodiversity? What do you think should be done and why?" The websites my
asked by Music Lover 14 
Math (Grade 12)
Question 1: Robby wants a secured loan to start his own business. Robby will use his house as collateral. The bank will loan Robby 56.4% of his house's equity. Robby's house is worth $367 685. He owes $108 653 on it. What is the equity in Robby's house?
asked by Miranda 
Math
A hospital was out of juice at the end of September. They bought 200 cases on October 1 at $10/each and 200 more cases on November 1 at $12. There were 100 cases left at the end of October. What is the total of the first case expensed on November 2nd?
asked by Alex 
History
Describe the effect of Westerners on the Chinese economy and society.
asked by Breanna L. 
Math
In the expansion of (ax +by)^8, the first three terms are 256x^8, 6144x^7y and 64512x^6y^2. Find the values of a and b
asked by Rose 
Nuclear
Per GWeyear, a 3700 MWt Sodium Fast Reactor produces 558 kg and consumes 789 kg of fissile plutonium in the core while producing 455 kg and consumes 34 kg of fissile plutonium in the reflector (breeding blanket). Assume 200 MeV per fission and a
asked by Adam 
Geometry
#1: A ball has a radius of 1 foot. What is the surface area of the ball? A. 2 pi ft^2 B. 4 pi ft^2 C. 6 pi ft^2 D. 8 pi ft^2 #2: What is the approximate surface area of the sphere if the sphere has a measurement of 27 cm? A. 247,000 cm^2 B. 9,160 cm^2 C.
asked by William M 
History help
Describe the effect of the Westerners on the Chinese economy and society.
asked by Breanna L. 
Health
Mutualhelp groups are popular such as, Alcoholics Anonymous because people can attend MHGs as frequently and for as long as they want ________. A. Without insurance B. Without divulging personal information C. Without being locked into a specific day and
asked by Martin1162 
Phys 2425
Two parallel wires, separated by the distance of 2 cm, carry the currents I1 = 1 A and I2 = 2 A in the same direction. How far from the wire carrying the current I1 is the magnetic field zero? I am wondering if the answer might be that it can never equal
asked by A 
math help
Question 1: Robby wants a secured loan to start his own business. Robby will use his house as collateral. The bank will loan Robby 56.4% of his house's equity. Robby's house is worth $367 685. He owes $108 653 on it. What is the equity in Robby's house?
asked by Miranda 
english
Most people find stereotypes to be unpleasant including, myself, especially when they have to do with sensitive subjects like gender or race. Personally I consider Stereotyping is a generalization about a group or category of people that can have a
asked by help 
Social Studies
How did the three phases of industrialization affect the growth of cities? Please help ASAP! I am a traveling athlete and I am going out of town in about an hour. If I don't answer this question I wont pass my test.
asked by Rayven M. 
math help pls pls pls
A company is deciding whether or not to hire a new worker. The company must pay the worker hourly and cover a daily cost for insurance. The cost to pay an hourly worker for one day is represented by the function y = 8x + 25, where x is hours. What is the
asked by Oscar 
Help ASAP
I'm having trouble with the surface area of the sphere. Like, here's a question I'm having trouble solving: What is the approximate surface area of the sphere if it is 7 centimeters? a. 615 cm^2 b. 539 cm^2 c. 154 cm^2 d. 84 cm^2 Please show all work and
asked by W. Miller 
Physics
Given m=2.0kg h=2cm
asked by AME 
Health
How is family therapy a treatment option? A. Analyzes risk behaviors and aims to improve relationship factors, and learning to solve problems that might lead to drinking. B. Offers strategies to help patients better understand the factors and situations
asked by Martin1162 
Surface Area and Volume
Hi I am confused on how to get the correct answer. The question states: What is the surface area of the sphere if the radius is 16 cm? Please show your work. Thank you!
asked by Tyler P. 
Science Please Check
Please Check 1. How does nanotechnology help engineers make products for the future? a. By changing a materials atomic structure, it can be made from elements that are easier to obtain.*** b. By changing a material's atomic structure, its physical
asked by Blair 
math
find the area of the trapezoid A.95 units2 B.190 units2 C.150 units2 D.300 units2
asked by Xxcody~kunxX 
Health
What is cognitivebehavioral therapy? A. Uses family therapy principles to improve a person’s healthrisk behaviors B. Offers strategies to help patients better understand the factors and situations that precede alcohol and other drug use as well as the
asked by Martin1162 
Maths
Alhaji Amed is to invest 100,000 naira in a bank in a period of four years at a simple interest rate of 10%. What is the interest element at the end of the period.
asked by Onwunali 
Geo
Hi I need some major help on surface area and volume. Do you think you can provide some examples for me to solve out? I don't get any of the formulas or how to get the correct answers. I'm struggling in Geometry this year I'm in K12 (homeschooled) and I
asked by Aaden Caldwell 
Chemistry
Is it possible to make a buffer with a strong acid and a strong base? So I know a buffer consists of a weak acid and its conjugate base or a weak base and its conjugate acid. And I believe it is possible to make a buffer with a strong acid and weak base or
asked by Anonymous 
Chemistry
Is it possible to make a buffer with a strong acid and a strong base? So I know a buffer consists of a weak acid and its conjugate base or a weak base and its conjugate acid. And I believe it is possible to make a buffer with a strong acid and weak base or
asked by Anonymous 
chemestry
if we did this experiment in a refrigerator (4 C) would you expect that the volume of collected gas be greater than or less than the volume of gas you collected today at room temperature?
asked by Anonymous 
English
Laughing and giggling throughout most of the story, the students weren’t just engaged—they were also amused. How can I fix that sentence? Or is it ok?
asked by Larry 
chemistry
if we did this experiment in a refrigerator (4 C) would you expect that the volume of collected gas be greater than or less than the volume of gas you collected today at room temperature?
asked by Anonymous 
physics
In preparing to shoot an arrow, an archer pulls a bowstring back 0.49 m by exerting a force that increases uniformly from 0 to 277 N. What is the equivalent spring constant of the bow?
asked by Lindsey 
Writing
What does it mean "writing as activism"? Thanks,
asked by Suhna 
MAth
A fence measures 15 yards in length. Each bundle of flowers measures 6 inches in length. How many flowers can you fit along your fence?
asked by Anonymous 
Math/Precal
Given sinA=3/5 and cosA=5/13, find sin2x
asked by Angel 
Math
A hospital was out of juice at the end of September. They bought 200 cases on October 1 at $10/each and 200 more cases on November 1 at $12. There were 100 cases left at the end of October. What is the total of the first scare expensed on November 2nd?
asked by Alex 
english help please!!
What do you provide in the body of your essay? supporting evidence concluding thoughts central ideas thesis details is it a
asked by Oscar 
math
How can you draw to show 42
asked by shenique 
Language arts
In which sentence does the prepositional phrase act as an adjective? A. In the morning, we rested in bed. B. We bought cookies in the red package? C. During the day, Peter played with the cat D. My sister is good at dancing? Is it C? Thank you
asked by Barny 
Physics HW Plz help
Why can't most objects like an apple travel at speeds above the speed of light?
asked by Student Lexi 
Language Arts
1. Why does Scrooge object people enjoying Christmas? A. he is sad at Christmas because Marley died on Christmas Eve B. He actually likes Christmas and only pretends to dislike it. C. He believes poor people should be unhappy, even at Christmas. D. He
asked by Carrie 
Chemestry
What is the volume of 454 grams of Ferrous sulphate heptahydrate?
asked by Will 
Chemistry
Given the balanced equation: H2 + Cl2 2 HCl , how many moles of HCl will be produced if 18.4 g H2 reacts with 127 g Cl2?
asked by Faith 
Mrs. Sue
What is the altitude of this cylinder: B ==> C? A. line BC B. segment BC C. ray BC D. Point BC MY ANSWER: A. Line BC What is the total surface area of this cylinder? Radius = 8 cm Height = 16 cm A. 128 pi cm^2 B. 256 pi cm^2 C. 384 pi cm^2 D. 1024 pi cm^2
asked by Aaden Caldwell 
Geometry
a flag pole is 25 ft high. your line of sight is 5 ft from the ground. the angle of elevation is 23 degrees, how far away from the base of the flag pole are you?
asked by Chloe 
Math
What is the surface area of a rectangular prism with l = 14 in., w = 12 in., and h = 4 in.? * Show your work and solution below. I don't know how to solve this please help ASAP!
asked by Aaliyah M 
integration i need
integration i need help integrate:(1e^x)^5/e^4x..plz show full working
asked by collins 
Math
a parallelogram has a height of 5 cm and a base of 10cm. what happens to the area if the parallelograms measurements double to a height of 10cm and a base of 20cm? A. the area doubles.
asked by keykat 
another integral...help
integrate:xtan^1/(1+x^2)^2....working plz
asked by collins 
Social Studies help
1. In 1999, Canada's Inuits became •us citizens •industrialized •self governing •extinct
asked by MADZ 
English
1.I'm worried about my looks. I want to become more handsome. What should I do?  Why don't you have cosmetic surgery? 2. I'm worried about my height. I am short. I want to become taller. What should I do?  Why don't you jump rope every day? 3. I'm
asked by rfvv 
Writing
In English class, we had a guest speaker who did a presentation. I have to do a response assignment based on that event. But, in this case, what kind of writing am I supposed to do? that's often my an obstacle to me. Any help, I'll really appreciate it.
asked by Suhna 
Precal/Math
How do i get the left side to equal the right hand side? (Cosx)/(1+sinx) + (cosx)/1sinx = 2secx
asked by Mandy 
Calculus (Line Integral)
Let c be a curve w/parameterization r(t). show that the line integral of T dr equals the length of the curve where T is the unit tangent.
asked by Marie 
integral calculus
find the volume of the solid generated by revolving the area by the given curves about the indicated axis of revolution y^2=4ax,x=a;about the yaxis
asked by Anonymous 
integral calculus
find the volume of the solid generated by revolving the area by the given curves about the indicated axis of revolution y^2=4ax,x=a;about the yaxis.
asked by Anonymous 
English
Why can learning be bad?
asked by Boberto 
Physics
A rocket which is 700000kg(given that the rocket never loses mass) working with 10.000.000 Newton, how much is the acceleration? basic question, but i was wondering about the gravitation how would you calculate this.
asked by Steinar 
physics
a person, with his ears to the ground, seconds a huge stone strike the concrete pavement. a moment later two sounds are heard from the impact, one travels in the air and other in the concrete, and they are 0.80 seconds apart. How far away the impact occur?
asked by Anonymous 
Maths
Solve the following equations for 0《X《360 A) tan^2x + 3 tax 4 = 0 B) 2sin^2x  sinx1 = 0 Please help Thankyou
asked by Anonymous 
surface area and volume
how many soils needs to be dug out in order to dig a well of depth 7 m and radius 2m?
asked by sirisha 
Maths
Solve the following equations for 180《 x《 180 A) 4+4cosx=sin^2x B) 2sin=5cosx Thankyou
asked by Anonymous 
1st grade math
Hi, my son Jackson needs a lot of help on addition facts. Is there some kind of way we can get my son to work on his addition facts? He's 6 years old. Any worksheets or practice problems you can loan me? Thanks! Quianna B.
asked by Quianna B 
English
1. Listen again and check on T if the sentences match with the dialogue. Check on F if they don't match. 2. Listen again and check T if the sentences match the dialogue. Check F if they don't match.  Which one is correct? Do we have to use
asked by rfvv 
Physics
How much work is required to bring a 1000 kg racing car traveling at a speed of 60 km/hr to rest?
asked by Reed 
Physics
A 3200 lb car traveling at 30 mi/hr speeds up to 60 mi/hr. How much useful work was supplied by the engine?
asked by Reed 
English
1. Check V on the item which Tom is happy with. 2. Check a V on the item which Tom is happy with. 3. Check on the item which Tom is satisfied with. 4. Check the box of the item which Tom is dissatisfied with.  Are they grammatical? Correct
asked by rfvv 
Physics
Suppose the 480 lb pile driver that drops 20 ft drives the pile 2 in. every time it strikes the pile. What is the average resisting force of the ground where the pile is driven?
asked by Reed 
English
1. You should pay attention to me. 2. You should draw attention from the audience. 3. You should get attention from the classmates.  Are they all grammatical? Do we have to use only 'to' in Sentence 1? Do we have to use 'from' in
asked by rfvv 
mathematicsevaluation
evaluate e^3 to the fifth series
asked by p1 
mathematicsstate of rules
. Given cos^2x+sin^2x=1 state it Osborne rule
asked by p1 
Chemistry
How do you write out and finish the equation when:1: iron(lll) reacts with calcium metal: 2: Magnesium sulfide reacts with calcium phosphate
asked by Unknown 
Math HELP
4. what are the value of the function y=3x 4 for x=0,1,2, and 3? A. 4,1,2,5•• B. 0,3,6,9 C. 4,2,5,8 D. 0,1,5,9 Correct my answer
asked by Tanner fox 
Math ASAP
1. What is the length of the diagonal for the rectangular prism with L=8cm W=3cm H=7cm to the nearest whole unit? 10 cm 11 cm
asked by Anonymous 
Physics
A 25 g bullet with a muzzle velocity of 300 m/s is fired into a board 4.0 cm thick. A). In a hard board, the bullet penetrates 3.0 cm and comes to a stop. What is the average force exerted on the bullet by the board? B). For a soft board, the bullet goes
asked by Reed 
chemistry
A radioactive isotope of radium (Ra226) has a halflive of 1620 years. How much of this isotope remains after three (3) halflives? A. 1/2 B. 1/4 C. 1/8 D. None would this be C? please explain, thank you!
asked by louren 
Science
Please Check! 1. How does nanotechnology help engineers make products for the future? a. By changing a materials atomic structure, it can be made from elements that are easier to obtain.*** b. By changing a material's atomic structure, its physical
asked by SpitFireRedHead 
Physics
A 25 g bullet with a muzzle velocity of 300 m/s is fired into a board 4.0 cm thick. For a soft board, the bullet goes through the board and emerges with a speed of 50 m/s. What was the average force exerted on the bullet by the board? Answer= 27344 N Show
asked by Bob 
Physics
Suppose the 480 lbs pile driver that drops 20 ft drives the pile 2.0 in. every time it strikes the pile. What is the average resisting force of the ground where the pile is driven? Answer: 57,600 lbs Show Work
asked by Bob 
sgfrsargehw
. A car traveling at 25 mi/h accelerates to 48 mi/h over the first 5 seconds. It maintains that speed for the next 5 seconds, and then slows to a stop during the next 5 seconds
asked by BLOBBY 
chemistry
What number is missing from this nuclear equation? ? 13Al + 1 0n > 28 13Al A. 28 B. 41 C. 29 D. 27 would this be D? please explain, thank you!
asked by louren 
Math
How many times should you expect to roll a 5 on a number cube if you roll the cube 4,000 times?
asked by Anonymous 
Public Speaking
Transmission of messages in a communication is: A. a oneway street. B. a twoway street. C. only through a medium.**** D. any which way.
asked by Carpe_Diem 
chemistry
Which of the following is NOT true about a nuclear power plant? A. They can explode like a nuclear bomb. B. They produce radioactive waste that must be safely stored for many years. C. They produce fewer carbon emissions than a coalfired power plant. D.
asked by louren 
Math
Find two numbers whose sum is 64, if twice the first is 1 more than the second
asked by Anonymous 
Math
A spinner is divided into 12 equal sections where 5 of the sections are red, 3 are blue, 2 are orange, and 2 are green. What are the frequencies of each color if you spend the spinner 60 times? I know I asked this question before but I wanted to check if
asked by Anonymous 
English (HELP)
Is this grammatically correct? I mean, it is alright for me to write who "one of them" is in an entirely new sentence? Is it considered a sentence fragment and therefore grammatically incorrect? "By one look of his now unnaturally light pupils, she could
asked by Victoria 
Chemistry
how much solid KNO3 will crystallize and a saturated solution of KNO3;if the solution is cooled from 65 degrees Celsius to 45 degrees Celsius.
asked by Rachel 
Math
Find the perimeter of the rectangle with length 9 inches and width 7 inches? 32 in. 16 in. 63 in. (MY ANSWER) 64 in.
asked by LOVE 
chem 3
80 ml of 1.0M ch3 cooh(aq), are titrated with 2.0M KOH(aq) in the rreaction Ch3cooh(s)+ KOH(aq)reacts with kch3coo(aq)+ H2O what is the volume of potassium hydroxide was used to reach the end point of titration
asked by youssouf 
Math
Shaahikala needs Rs.7000 after 15 weeks to send her daughter to school. She saved Rs.150 in the 1st week and raises by Rs.50 every succeeding week. Find whether she will be able to send her to school after 15 weeks? What value is created by the above
asked by Megha 
Physics
A 40.0 ohm resistor, 20.0 ohm resistor, and a 10.0 ohm resistor are connected in series across a 220V supply. Which resistor is the warmest? a. 40.0 ohm b. 20.0 ohm c. 10.0 ohm d. they are all the same
asked by Joe 
physics
what is the heat capacity of a gold ring that has a mass of 7.00g
asked by bob 
Health
Stress is a normal part of life. A. The above statement is false B. The above statement is never true C. The above statement is true D. None of the above I think its C.
asked by Anonymous 
Physics
A device that can alter the resistance in a circuit is known as a: a. switch b. potentiometer c. circuit breaker d. ammeter
asked by John 
trig
a building 60 feet high. from a distance at point A on the ground, the angle of elevation to the top of the building is 40 degree. from a little nearer at point B, the angle of elevation to the top of the building is 70 degree. What's the distance between
asked by Anonymous 
math
A trapezoid has an area of 96 square inches. It has a night of 12 inches and one of its bases is 6 inches. Determine the length of its other base
asked by monique 
Physics
Suppose the 480 lbs pile driver that drops 20 ft drives the pile 2.0 in. every time it strikes the pile. What is the average resisting force of the ground where the pile is driven? Answer: 57,600 lbs Show Work
asked by PAT 
Math
A glass box shaped like a rectangular prism has width of 7 in., length 9 in., and height 12 in. . It is being shipped in a bigger box with width 10 inches, length 10 inches, and height 15 inches. The space between the box and the shipping box will be
asked by A girl with problems. 
math
a rectangular swimming pool measures 16 meters by 8 and 1/4 meters.what is the area of the swimming pool
asked by Nunny 
math
23 + 5 × 10 ÷ 2 – 33 + (11 – 8)
asked by Anonymous 
Geometry (check)
A model is made of a car. The car is 3 meters long and the model is 3 centimeters long. What is the ratio of the length of the car to the length of the model? A. 3 : 3 B. 1 : 100 C. 1 : 3 D. 100 : 1*** Deal or No Deal?
asked by Carpe_Diem 
english
“That person must belong to a gang; just look how he dresses”. How often have we heard somebody mention these things, yet, how often have we said something similar? how shall i start my opening i don't think this is good
asked by helppppp 
AP Calculus AB
2. For an object whose velocity in ft/sec is given by v(t) = t^2 + 6, what is its displacement, in feet, on the interval t = 0 to t = 3 secs? 3. Find the velocity, v(t), for an object moving along the xaxis if the acceleration, a(t), is a(t) = cos(t) 
asked by Vikram 
Research and Design
What changes did the Census Bureau make to the conceptualization and operationalization of race in the 2000 census?
asked by Pamela 
english
name three t.v heroes and why the are on your list
asked by Anonymous 
Phys 2425
Each of two long straight parallel wires separated by a distance of 24.0 cm carries a current of 5.00 A in the same direction. What is the magnitude of the resulting magnetic field at a point that is 14.0 cm from each wire? I have tried (U0I/2pir)2 as well
asked by A 
Language Arts
A "likely place" (p. 130) is a place that is promising** inhabited wonderful easy I'm not sure!!! please help me!!
asked by meee 
Math/Precal
How do i get left side to equal right side? (1tanx)/(1cotx) = tanx
asked by Manuel 
science
Briefly describe how you would prepare 500cm of 1mole of NaCl solution in the laboratory.(Na23,Cl35.5)
asked by Precious Appiah 
math
what is greatest common factor for 3 and 4?
asked by Drew 
chemistry
Rationalize how the addition of the silver nitrate to the Fe/SCN equilibrium system had an effect even though neither Ag nor NO3 appears in the equation shown in the text. Equation in text is FE3+ + SCN [FeSCN]2+. I know that AgSCN is formed and
asked by matt