Questions Asked on
February 18, 2016

Calculus
find the radius and center of curvature of the parabola y=x^2 4x + 4 at any point (x,y) on the curve.draw the circle of curature.
asked by Anonymous 
English
I need help with writing an essay. Please!
asked by Alie 
MATH HELP
A LightsALot quality inspector examines a sample of 25 strings of lights and finds that 6 are defective. a. What is the experimental probability that a string of lights is defective? b. What is the best prediction of the number of defective strings of
asked by Hanna 
ashworth
In an interrogation setting, the strategy of fabricated evidence involves all of the following EXCEPT: A. falsely informing a suspect that an accomplice has ident6ified her or him. B. falsely stating that physical evidence exists that confirms his or her
asked by Anonymous 
Math
There was an equation I was stuck on; 5x3(x+2)=12 solve for x. I tried working on it and got left with 5x squared is = to 6 but didn't know what to do after that? Please help
asked by Sonja 
ashworth
Which of the following concepts best captures the utilitarian notion that each person’s welfare is equally important and, thus, that no one person’s happiness should be regarded as more important than any other person’s? A. Fecundity B. Psychological
asked by Anonymous 
Biology
which nucleic acid statement is true? A. mRNA codes for DNA B. mRNA codes for protein C. tRNA makes amino acids D. tRNA makes lipids I think B
asked by sharon 
Biology
bond that holds atoms together in a molecule are... A.radiation energy B. kinetic energy C. thermal energy D. potential energy
asked by sharon 
math
which is the least? 3/7, 2/5, 1/2, 1/3 I have no idea!
asked by sharon 
criminal justice
Which of the following statements is most likely to be used to advocate ethical egoism? A. In making decisions that affect ourselves, we should seek to be as impartial as a disinterested spectator. B. If no harm is being caused by a situation that brings
asked by Anonymous 
ethics, crime and criminal justice
__________ regards pleasure as the ultimate good, but demands that we consider the pleasures and pains of others in our moral contemplations. A. Use corruption B. The felicity dilemma C. Consequentialism D. Social hedonism
asked by Anonymous 
Math
If the length of the of a circle is 15 inches, what is the length of the radius of the circle? A. 7.5 inches** B. 15 inches C. 30 inches D. any length between 0 and 15 inches I think the answer is A. Check?
asked by Hope 
ethics, crime and criminal justice
The rational, overriding principle promoted by utilitarianism is the: A. greatest number principle. B. greatest happiness principle. C. greatest utility principle. D. None of the above
asked by Anonymous 
ethics, crime and criminal justice
Law enforcement officers keeping money confiscated from a drug bust for personal monetary gain could be regarded as a form of: A. economic corruption. B. noblecause corruption. C. use corruption. D. police violence.
asked by Anonymous 
math
An ice cream truck began its daily route with 92 gallons of ice cream. The truck sold 61% of the ice cream. How many gallons of ice cream were sold?
asked by bri 
Math
Create a piecewise function of the following scenario where D(t) is the total distance walked in miles as a function of time T (in minutes) You begin a walk from your home at a fast pace of 6 miles per hour for 30 minutes. You rest for 15 minutes, and then
asked by Kay 
chemistry
based on your calculated rf values which cations formed weakly charged complexes
asked by jawaher 
chemistry
a student was investigating the properties of a liquid L. He found that it turned phenolphthalein indicator red but when a piece of litmus paper was dipped into liquid L it turned blue. Which of these liquids could it be? a Aqueous ammonia b Lemon juice c
asked by vidya 
science
Hcl is titrated against 5ml of sodium carbonate of strength 0.0133 then what should be the mean value of HCl added ?
asked by Anonymous 
chemistry
Hcl is titrated against 5ml of sodium carbonate of strength 0.0133 then what should be the mean value of HCl added ?
asked by Shareen 
Math
If the length of the of a circle is 15 inches, what is the length of the radius of the circle? A. 7.5 inches** B. 15 inches C. 30 inches D. any length between 0 and 15 inches I think the answer is A. Check?
asked by Hope 
math
Develop a unit of learning at the end of which learners should be able to: reduce any angle in the first quadrant of a Cartesian plane to a difference of 90 and an acute angle. I have tried it as follows: 1. write down any three acute angles. 2. draw the
asked by william 
science
47.25 L sample of nitrogen is determinedto contain 0.75 mole of nitrogen moles of provided presure remain the same?
asked by Anonymous 
science
47.25 L sample of nitrogen is determinedto contain 0.75 mole of nitrogen moles of provided presure remain the same?
asked by nympha 
programming logic and design
Using a flowchart write a program that does the following: •Create the logic for a program that accepts input values for the projected cost of a vacation and the number of months until vacation. Use both values to totals that displays the amount you must
asked by mello 
Statistics
The following is a histogram (right skewed) of the first ten terms of a geometric distribution with p = .4. The mean of this distribution is 2.5 and the standard deviation is approximately 1.93. What's the shape of the distribution of sample means for
asked by Jim 
science
A feather is dropped on the moon from a height of 1.40meters.The acceleration of gravity on the moon is 1.67m/s^2.Determine the time for the feather to fall to the surface of the moon.
asked by chris 
Calculus
a funnel of specific volume V, is to be in the shape of a rightcircular cone. find the ratio of the height to the base radius if the least amount of material is to be used in its manufacture.
asked by Patrick 
Physics
A car starts from a certain point at a velocity of 100 kph. After 20 seconds, another car staring from rest, starts at the same point following car A at a uniform acceleration of 3 m/s². Assuming that the road is boundless will car B overtake car A? If
asked by jerd 
chemistry
why does phosphorous and some other elements have two or more oxidation states
asked by vidya 
MATHS LIT,GEO.HISTRY, LIFE SCIENCE
I DO NOT KNOW WHAT TO CHOOSE IN MY CAREER ?AS I DO THESE SUBJECTS CAN SOMEONE HELP ME WITH MY CAREER!
asked by ZINTLE MBALISWANA 
Calculus
Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the
asked by Ella 
Calculus
Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the xaxis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x
asked by Ella 
social studies
Who were the Mayans?
asked by Diana 
MATH
1 3/4 cups for 8 serving if the recipe increase to 24 serving how many cups of milk are needed
asked by DJ 
college loan
if i take out a loan for $10,000.00 and pay $300.00 a month at 5.00 % interest how long until paid off ?
asked by Anonymous 
English
Which of the following represents faulty logic A. Poor people get sick. B. Children are expensive to raise. C. The profit from selling children will improve the economy. D. Eating children will decrease the population. I chose A, am I correct?
asked by Justine 
MATH
1 3/4 cups of milk for 8 serving if the recipe increase to 24 serving how many cups of milk are needed. I
asked by DJ 
Art Help plz!
Movie proffesionals such as prop designers and graphic designers wor together to create a believable film. Which method of creating a believable screenplay is unique to the job of screenwriter. A:Research of time period architecture and design B:research
asked by Anonymous 
Maths
Find a number between 20 and 30 that is half the sum of its factors
asked by Jessica 
us history
Which factor contributed to growing conflict over slavery from the 1820s through the 1850s
asked by Angie 
Mathsss
Mean of 6,8,10,3,7and m is 7 find value of "m"
asked by Gurman jagal 
Economics
How does the expenditure approach calculate GDP? ____________________________________ A. It adds up all the incomes in the economy. B. It adds up the value of four groups of final goods and services. C. It adds up the value of business goods and services.
asked by ♥Nirvana♥ 
Social Issues
Which statement best describes the militia theory?
asked by Dakota 
Math
Given: Triangle SVX is congruent to triangle UTX and Line SV is parallel to line TU. Prove: VUTS is a parallelogram. Statement : Reason. 1. Tri SVX is congruent to Tri UTX. Reason: Given. 2. Line SV is parallel to line TU. Reason: Given 3. Line SV is
asked by Tim 
precalc
f(x)= x + 3. Find and simplify : f(a+h)−f(a) h the x +3 is under a radical sign as well! so its the square root of x +3
asked by Jillian 
Geometry
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. 4. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. 5. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3.
asked by Sue 
Math
Your baseball team has won 6 games and lost 4 games.if the team doesn't lose any more games,how many games must the team win to have a win:lose ratio of 2:1
asked by Rachel 
Physics
a helium balloon has a volume of 300 ft^3 and is floating at an altitude where the temperature is 265 K. How high does its temperature have to go for the ballon to expand to 450 ft^3?
asked by Oscar 
Math
find the height of a triangle with the area=110ft2 and base 10 ft? 5.5ft 22ft 550ft 11ft•• Correct me plz
asked by Laila 
Geometry
A trapezoid may have three congruent sides. True or False I think true
asked by Sue 
mathsprobability
What is the probability of rolling 4 on two number cubes? I got 1/36 as the answer. Is this correct? Please help.
asked by Munna 
math
The company used the average cost formula to determine that the cost of merchandise inventory at december 31 was $65,000. on December 31, it would have cost $80,000 to replace the merchandise inventory, so the following entry was made Dr. Merchandise
asked by alap 
social studies
Why is the inside lag for monetary policy shorter than for fiscal policy? A) Congress and the President can act quickly to change monetary policy. B) The Federal Open Market Committee must get Congressional approval. C) It can take a long time for new
asked by cookie☺ 
math
the length of a rectangle is 7cm more than its breadth.If the perimeter is 62cm, find the length and breadth.
asked by Neelesh 
Chemistry 101
what is CAH2 + H20
asked by Linda 
PreCalc
= x + 3. Find and simplify : f(a+h)−f(a) /h the x +3 is under a radical sign as well!
asked by Jillian 
math
If third term of an A.P. is four times of first term and sixth term is 17. find the series.
asked by shakib malik 
northdale middle school
a ski rental charges $27.00 for 3 hours and $45.00 for 5 hours. What is the equation?
asked by Dylan 
Driver Education
How would you evaluate the possibility of your being involved in a collision? Explain.
asked by Victoria 
science
What volume of H2 gas, in mL, would be occupied by 0.00465 moles of H2 gas at a temperature of 0 °C and a pressure of 760 mmHg?
asked by honest 
Physices
A body of mass 25km moving a 3.0ms on a rough horizotal floor is brought to rest after slinding through a distance of 2.5m on the floor. Calculate the coefficient of static friction (g=10m/s)
asked by Perpetua 
Help!!
During which time period is the Boston Triumvirate associated?
asked by Amber 
Geometry
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes,
asked by Sue 
physical science
a head ball of mass 600g is thrown vertically upwards from ground level and reaches the maximum height of 20metres.calculate the initial velocity of the ball
asked by vinny 
Math
A car traveling at 46 mi/h slows to a speed of 23 mi/h in 5 seconds. It maintains that speed for 5 seconds and then slows to stop after 5 more seconds. Which graph shows the car's speed overtime
asked by Amber 
economics
Which goods would be included in the calculation of GDP? A. toys made in China at a factory owned by a U.S. company B. cars made in Tennessee at a factory owned by a Japanese car company C. plastic made in Kentucky and sold to a toy maker in Ohio D. cotton
asked by Becca 
math
If P (x, y) is a point on da line segment joining da points A(6,8) & B(8, 6) prove that x+y=2
asked by rahul 
Check my answers
Which function is a quadratic function? A. y=2/x B. y=2/x/*** C. y=2x3 D. y=2x^2x
asked by Amber 
History
Is there any credible sites that tells how electricity impacted america?
asked by candice 
maths and science
A farmer sells eggs in trays.Each tray contains 30 eggs.a shopkeeper sells these eggs in dozens.If a shopkeeper needs 8 dozens a week,how many trays of eggs should he buy from the farmer?
asked by mosese 
Driver Education (Check)
How does this sound? How would you evaluate the possibility of your being involved in a collision? Explain. A: In any given year, the likelihood of your being involved in a collision is about 1 in 9. No matter how confident you may feel or how well you've
asked by Victoria 
Global Studies  Help
Does anyone know any links? In which way are the legal differences among men and woman in Saudi Arabia most apparent> A) West of India B) South of the Arctic Circle C) North of the Equator D) East of the Mediterranean Sea
asked by CyberDarkness 
Math! Pls Help!
Describe how you would estimate the square root of a number that is not a perfect square without using a calculator.
asked by Talia 
Math
If a person is charged 1.5 cents per mile,how much will he have to pay after he drives one thousand miles?
asked by Bruce 
science
If a ball that is freely falling has attained a velocity of 19.6 m/s after two seconds, what is its velocity five seconds later?
asked by Anonymous 
algebra
a student works no more than 25 hours each week at a parttime job. what would be the inequality that represents how many hours the student can work each day?
asked by Ashlynn 
Math
Jackie makes patterns. She makes each pattern with 5 counters. she makes 13 patterns. How many counters does she need? Show your working.
asked by Kevin 
Math
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: Yes,
asked by Sue 
Physics
A third baseman makes a throw to first base 39.7 m away. The ball leaves his hand with a speed of 37.0 m/s at a height of 1.5 m from the ground and making an angle of 19.5 o with the horizontal. How high will the ball be when it gets to first base?
asked by Edwin 
Chemistry
1) If I add 10 grams of salt into 0.1 L of water, what is the molarity of the solution? 2) Serial dilution is a common technique to make low concentration solutions. Each Serial Dilution involves taking half the solution and mixing it with a solvent, to
asked by Caitlyn 
algebra 1
does 4x+5y=0 represent a direct variation? if so, find the constant of variation. complete the steps to solve 4x+5y=0 for y.
asked by natalie 
Math/Finance
Randy had $2000 he wants to double in 2 years. What is the approximate rate he will need??
asked by Mandy 
Math
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus
asked by Mike 
Chemistry
the atomic spectrum of lithium has a strong red line at 670.8 nm. what is the energy of each photon of this wave length? What is the energy of 1 mole of these photons??
asked by Maxx 
World cultures
Describe two ways that Europe could divide into smaller regions
asked by Anonymous 
History
Can someone please check these? I would greatly appreciate it. Thanks! 1. What was the purpose of the Freedmen's Bureau? a. to free the slaves b. to feed, clothe, and educate former slaves*** c. to move former slaves to the Northern states d. to ensure
asked by Blair 
Computer Science
Create a Raptor Flowchart that calculates the amount a person would earn over a period of time if his or her salary were five cents the first day, ten cents the second day, and so on doubling each day. Your program should: 1. Request the number of days. 2.
asked by Allison 
algebra
For the polynomial function, find f (1) and f (2) f (x) = x2 + 5 x3  6 f (1) = ? f (2) = ?
asked by key 
Math
A house worth $350,000 when purchased was worth $335.000 after the first year and $320,000 after the second year. If the economy does not pick up and this trend continues, what will be the value of the house after 6 years. A) determine if is arithmetic or
asked by Andres 
Science
Can someone please check my answers? I would greatly appreciate it. Thanks! 1. Which of the following inner planets has virtually no atmosphere? a. Mercury*** b. Venus c. Mars d. Earth 2. Which of the following statements about the inner planets is true?
asked by Blair 
Chemistry
Five grams of sodium are combined with unlimited bromine. How many moles of bromine are used up? How many liters of bromine would be used if the reaction took place at STP? My answer: .1088 mole Br2 and 2.44 L Br2
asked by Anonymous 
Math
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus
asked by Mike 
Algebra
Use a calculator to find the mean and standard deviation of the data. Round to the nearest tenth. 6,7,19,7,18,7 A. mean = 9; standard deviation = 26.4 B. mean = 11.9; standard deviation = 26.4 C. mean = 10.6; standard deviation = 6.1 D. mean = 9; standard
asked by Veronika 
Economics
Why does unemployment rise when the economy slows? A. Decreased demand for goods causes demand for labor to go down.**** B. Decreased demand for goods causes the cost of labor to go up. C. Increased demand for goods causes demand for labor to go down. D.
asked by ♥Nirvana♥ 
Math (check answers)
Hi there, I need help solving a proof. I put all my answers in for the blank spaces, but number 4 I can't get. If someone could help that would be great. Thank you! Given: Triangle SVX is congruent to triangle UTX and Line SV is parallel to line TU. Prove:
asked by Jenny 
Social studies
Who held the most power under the system of feudalism? Peasants. Vassals. Lords. (MY ANSWER) Knights.
asked by LOVE 
physics
A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the freefall acceleration is onesixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at
asked by lisa 
Art PLZ Correct ME!!
Which statement is the best comparison of the symbolism behind Chinese in the Egyptians and lions? A) both Egyptian and Chinese lines represent royalty B) Chinese lines represent fear while Egyptian lions are symbolic of prosperity C) Chinese and Egyptian
asked by Kaila 
physics
A 61kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward
asked by lisa 
physics
A 5.4kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket.
asked by lisa 
mathematics
between which two integers does the cube root of 9 lie
asked by Bongiwe Gamede 
Social studies
How did monks preserve ancient culture? By hiding statues in their monasteries. By teaching classical law in universities. By copying Greek and Roman works. (MY ANSWER) By building churches modeled after temples.
asked by LOVE 
Physics
A golf ball hit at a speed of 77 m/s will carry (achieve its maximum flight distance of) 256 m when driven at a launch angle of 16 deg. What would be its horizontal range in a vacuum if launched at the same speed and at the same angle ?
asked by Edwin 
English I
What are a couple REALLY good thesaurus sites that you would recommend?
asked by ( ͡° ͜ʖ ͡°) 
Social studies
What legacy did Emperor Justinian leave for modern Europe? A legal code that organized Roman laws. (MY ANSWER) A treaty with the Roman Catholic Church. A method of absolute rule. An ancient sports stadium.
asked by LOVE 
Social studies
Do both chinese and egyptian latinas represent loyalty? I think it's a yes I'm I wrong or right
asked by Kaila 
social studies
What is the policy used most by the Fed to change the money supply? A. changes in the money creation policy B. changes in the discount rate C. changes in the reserve requirements D. open market operations Is it D?
asked by puppymonkeybaby 
Health
Overly active oil glans ma cause which condition. Acne.(MY ANSWER) dermis. Diabetes. Fatigue.
asked by LOVE 
business
what ethical social political issue might arise from using wiki
asked by teresa 
Math please help urgent!!
2. If m
asked by Anna 
Maths
X varies directly as the product of u and v and inversely as their sum. If x=3 when u=3 and v =1, what is the value of x if u=3 and v=3
asked by Ifeoluwa 
maths
given the quadratic sequence 2;0;3;7;... 2.1 write down the value of the next term of the sequence
asked by HerMajesty 
Health
The best thing to put on severe sunburn to help relive the pain is? Cocoa butter. Cold water. (MY ANSWER) because it said to not apply any lotions. Ointment. Vaseline.
asked by LOVE 
physics
a copper wire with a diameter of 1.5mm is joined to an aluminium wire which has a diameter of 2.3mm.the wire carries a current of 12A.what is the current density in each wire
asked by mat 
Chemistry
I NEED HELP ASAP Here's the problem I'm struggling with: When 1.00 mole of ethlyene (C2H4) is burned at constant pressure, 1410 kJ of energy is released as heat. Calculate delta H for a process in which 10.0 g of ethlyene is burned at constant pressure.
asked by Ian 
physics
find the drift velocity of the electrons in the copper wire (there are 8.5*10^28 free electrons per m^3 in copper)
asked by ruth 
HELP ME ON MATH
1. The letters for the word MATH are placed in a bag. Two letters are selected with replacement. Which statements are true about the tree diagram that could represent the possible outcomes? Select TWO that apply. a. There would be 4 tree bases. b. Each
asked by Sissy 
Health
What reason do studies show why more people with high blood pressure and diabetes live In the suburbs than in the city? There are much better doctors in the city who treat those diseases more effectively. (Maybe) People re not as physically active and rely
asked by LOVE 
Math
A flying disc has a radius of 7 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi.
asked by Claire 
Language
The reporter is heading to the marketplace to cry the news about the selection result Use a dictionary definition to determine the best meaning of cry as it is use in this sentence? A. To call out for help B. To announce in public •• C. To shout D. A
asked by Kaila 
maths
consider the arithmetic sequence which has the second term equal to 8 and the fifth term equal to 10 2.1.1 determine the common difference of this sequence
asked by ntarbie 
Math
A food service worker earns $12 per hour. How much money ,m, does the worker earn on a shift of h hours? What are the answer to these to problems. Dependent variable ——————— Independent variable ————————
asked by Kenneth hoon 
Physics
Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of
asked by Emily 
Physics
Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of
asked by Rachel 
Physics
A sign is hanging from three ropes. The tension in the lefthand rope, T1, is 460.80 N. Angle θ1=68.9°, and angle θ2=33.8°.What is the tension, T2, in the righthand rope? What is the mass of the sign?
asked by Rachel 
science
write aprogram and flowchart to read anumber from 112 and print the name of the month
asked by write aprogram and flowchart to read anumber from 112 and print the name of the month 
science
a 54gram sample of an unknown material has a volume equal to 20cm3 what is the identity of the substance
asked by kyle 
Health
4.) Most unintentional poisonings occur in children under... (1 point) A. 10 B. 2 C. 5 *** D. 6 months 9.) As a universal precaution, use ___ whenever possible if you are going to be in contact with bodily fluids. (1 point) A. latex gloves *** B. bandaids
asked by tessa 
science
an ice cube a glass of cold water in a
asked by kyle 
Calculus
A differential equation that is a function of x only a.will produce a slope field with parallel tangents along the diagonal b.will produce a slope field that does not have rows or columns of parallel tangents c.will produce a slope field with rows of
asked by John 
science
a bananan turning brown when exposed to the air is an example of
asked by kyle 
physics
find the approximate current density when an electric field of 5v/m is applied to a copper conductor.the conductivity of copper is 59.6*10^6
asked by mat 
English
Nine Haikus During a Drought In the dusty lane A frog waits for a puddle To fall from the sky Which form best describes this poem? A. limerick B. Haiku C. Concrete D. Narrative My choice is B. Haiku What about the poem best supports the answer to the
asked by Brian 
Math PLEASE!
Hi there, I need help solving a proof. I put all my answers in for the blank spaces, but number 4 I can't get. If someone could help that would be great. Thank you! I've been trying to figure this out for the past two days and I'm honestly freaking out. My
asked by Jenny 
Calculus
dy/dx=x/(x4) I.will have a slope field with negative slopes in quadrant I II.will have a slope field with positive slopes in all quadrants III.will produce a slope field with columns of parallel tangents
asked by John 
science
a blank property of matter describes an ability to change into different substances
asked by kyle 
Language Arts
1. When the speaker in “Winter” says, “I collect books / For the coming winter”, what is her attitude toward the coming cold weather? A. positive B. uninterested** C. fearful D. angry 2. A concerete poem, such as “Seal,” A. Has few or no
asked by Hope 
science
an ice cube, a glass of cold water, and a swimming pool are each exposed to the same amount of sunlight on a hot day. after five minutes, the ice cube is melted and the cold drink is two degrees warmer, but the temperature of the swimming pool remains
asked by kyle 
Math
Find the area of a rectangle whose length is more than its width and the width is equal to the side of a square whose area is 144.
asked by Anonymous 
science
a banana turning brown when exposed to the air is an example of what
asked by kyle 
Algebra
Last year a large trucking company delivered 6×10^5 times of goods with an average value of $27,000 per ton. What was the total value of the goods delivered? Write the answer in scientific notation A. 1.62 x 10^11 B. 1.62 x 10^9 C. 1.62 x 10^10 D. 1.62 x
asked by Cami 
Language Arts
Check please 1. Like the pink petals of the azalea blossoms in “The Rider”, something that is LUMINOUS A. can be only seen at night B. cannot be seen at night C. gives off light** D. is beautiful 2. In which sentence is the word MINNOWS used correctly?
asked by Khylanni 
Chemistry
16. Aluminum chloride, AlCl 3, is made by treating scrap aluminum with chlorine. 2 Al(s) + 3 Cl2(g) → 2 AlCl 3(s) If you begin with 2.70 g of Al and 4.05 g of Cl2, (a) Which reactant is limiting?
asked by Marine.t 
PHYSICSHELP
For the Atwood's Machine so the mass on the right side is 5 kg box which is 3m from the *table (represents the straight line)* The left side of the pulley is 2kg box which is at the table. 1.) How do you know or what do you know about the force of tension
asked by Dina 
Math
Bobby is hiking along the Appalachian trail. On Thursday he hiked 15 1/3 mile. On Friday he hiked 2 3/4 mile less. How much has he hiked so far?
asked by Cyndi 
Help on math!
A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a red marble, then a white marble if the marbles are replaced. A. 1/12 B. 5/36 *** C. 5/6 D. 5/12 2. Find the probability of choosing 3 blue marbles in a row if the
asked by Alistair 
science
why did a portion of the table top get cold when Natasha placed her cold drink on the table
asked by kyle 
Math
Cougar Pizza Parlor has just opened up across the street. You are thinking of inviting some friends over for pizza and ordering from Cougar's. You want to get the most pizza for the money. The menu shows the following prices. 6 inch round pizza....$7.50
asked by Ariel 
Math
Veronica is 2 years old than her brother Peter. The sum of their ages is 24. How old is Veronica, and how old is Peter?
asked by John 
Math
There are 24 players, on a softball team. 10 of the players can pitch, 6 can play first base, and 4 of the players can do both. How many players can neither pitch nor play first base?
asked by Liahh 
Math
5 2/11 + 4/7 + 3 + 3 3/7 + 9/11 + 7 + 1/3 = ?
asked by Alfredo 
Math
The floor of a round hut is 10m in diameter. A weaver charges $15.50 to make a mat to fit the floor . Find the cost of the mat per square meter . Work area of a circle = 3.1 * 5*5=77.5 Cost per square meter =77.5\15.5= 5 cents per square meter
asked by Amina 
Math
In the equation, find the value of x 2/x  x/5 = 1/5
asked by Alfredo 
Math
If you were 35 years old in the year 1225. It would be a very special time mathematically because 35^2 = 1225. That is the square of your age at the moment is equal to the year. Augustus de Morgan, a famous mathematician was one of those lucky people and
asked by Ares 
calc 1
If h(x) = the square root of 4 + 3f(x) where f(2) = 4 and f '(2) = 2, find h'(2). i got the derivative as 1/2(4+3f(x))^1/2 then i solved for the inside which is (0+3(8)) then multiplied the the two eating and i got 3.... but answer is wrong =(
asked by feather 
Math
Randy had $2000 he wants to double in 2 years. What is the approximate rate he will need??
asked by Cali 
Chemistry
the atomic spectrum of lithium has a strong red line at 670.8 nm. what is the energy of each photon of this wave length? What is the energy of 1 mole of these photons?? do you use the e=h x v ??
asked by Cali 
CHEMISTRY
Calculate the amount (in mL) of 1.520M NaOH that is required to add the following acetic acid solution to prepare a buffer with the corresponding pH: 30.00mL of a 5.00% (w/v%) acetic acid; the resulting acetate buffer has a pH of 5.75. pKa of acetic acid =
asked by Jeff 
civics
What was the purpose of the Little rock nine going to the high school?
asked by andrea 
chem
Carbon dioxide gas has a Henry's law constant of 4.48×105 M/mmHg at 25.0 °C when dissolving in water. If the total pressure of gas (CO2 gas plus water vapor) over water is 1.00 atm, what is the concentration of CO2 in the water in grams per milliliter?
asked by james 
Math
Adriana opens her own book store. She sells a hard cover book for $18 and a paperback for $8. Comic books cost $6.50. Adriana's goal is to earn no less than $50. How many comic books must she sell?
asked by Sidney 
Chemistry
how do i figure out "What is the energy of 1 mole of these photons" energy= 2.93x10^19 wave length = 670.8 nm
asked by Manny 
Math
The laurelwood pta is presenting it's 5th annual talent show and Kate is collected tickets at the door the gym is filled with 215 students and adults. Students tickets are .50 and adults tickets are 2.00. If Kate collected 250.00. How many adults and how
asked by Erin 
Personal Finance
Jody Asbell and three of her friends purchased a small shopping center in their town. They paid $985,090 and made a down payment of $125,000. They rented five of the stores for $3,400 each per month. Their annual expenses were mortgage interest of $65,000,
asked by Rudy 
Math Help Personal Finance
Kendrick Campbell purchased a $25,000 municipal bond at a quoted price of 93.456. The bond pays annual interest at a rate of 3.7%. What is the annual interest?
asked by Rodney 
Personal Finance
Jarell Tarver invested $20,000 in the Boyd Kern Mutual Fund (Type A). The net asset value is $21.34 per share. The fund is frontloaded with a loading rate of 5.25%. What is the loading charge?
asked by Rudy 
Economics
What is an example of a positive external shock to aggregate supply? ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: A. Good weather leads to an unusually productive harvest for corn farmers. **** B. A popular new diet
asked by Nirvana 
math
What is the slope of the line that passes through (2,3) and (1,1)? A.2 B.1 C.1 D.2
asked by bruh 
math
An English teacher needs to pick 10 books to put on his reading list for the next school year, and he needs to plan the order in which they should be read. He has narrowed down his choices to 5 novels, 6 plays, 5 poetry books, and 6 nonfiction books. Step
asked by Comet 
algebra
2. W/4  4 = 3 a)4 b)28****** c)3 d)11 3.X/5 + 6 = 10 a)44 b)30******* c)20 d)20 4.2(m30)=6m a)15 b)13************ c)8 d)8 5.3.75x+3.7=1.7+1.75x a)10 b)1 c)1***** d).1 Please check my answers :)
asked by Amber 
Science
Does anyone know the answer to this? 2.50mL Fe =? atoms Fe, Dfe =7.87 g/mL
asked by Popla 
programming
Create the logic for a program that calls a method that computes the final price for a sales transaction. The program contains variables that hold the price of an item, the salesperson's commission expressed as a percentage, and the customer discount
asked by Elaine 
Math
If a certain square measures 2.5 feet on one side what is the area of the square and square inches
asked by John 
Algebra
your are building a soccer field. the length has to be 30 m longer than the width, and the total perimeter must be between 320i m and 360 m.
asked by Miguel math 
math
kelly has a collection of red and blue marbles. The ratio o red to blue marbles is 3 : 7. She has 80 marbles
asked by lei 
PreCalculus
2. Write an equation in slopeintercept form of a line with the given parametric equations. x = 9t + 2 y = 2t – 2 answer choices: a)y=(2/9)x  (22/9) b)y=(22/9)x + (2/9) c) y=(9/2)x  (9/22) d) y=(2/5)x + (2/3) If you could show some work, because I'm
asked by jewellry 
Math
Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: ERERE If the Exponents are playing at home, there is a
asked by chels 
math
if 11 is 4 less than 3 times a number, what is the number?
asked by keegan 
math
The atmospheric pressure P(h) (in pounds per square inch) at a height h (in miles) above sea level on Earth satisfies a differential equation P' = kP for some positive constant k. (a) Measurements with a barometer show that P(0) = 1.2 and P(9) = 0.7. What
asked by MAin 
Math
Aaron has 120 sports cards. 3/8 of them are football cards and the rest are baseball cards. how many baseball cards does he have?
asked by Selina 
I'm really stuck on math!
Onehalf of the students at Greendale Middle School take art. Twothirds of the students take Spanish. Deshawn uses a coin and a standard number cube as a simulation of the students at Greendale Middle School. Deshawn lets “T” represent a student
asked by Ember 
Math
Mrs. Collin has 140 apples. She uses 2/5 of them to bake a pie and 1/4 of them to make jam. How many apples does she have left?
asked by Selina 
Math
Bailey has $105. She spends 3/7 on a new jacket and 1/5 on a new sweater. How much money does she have left?
asked by Selina 
Math
Mr. Cole has $200. He keeps 3/4 of the money for himself and divides the rest equally between his two children. How much money does each child receive?
asked by Selina 
math
the sum of the length and width of a rectangle is more than 20 units. the length is 5 units more than twice the width,x.
asked by amos 
Driver Education (Check)
How would you recognize the signs of a problem drinker, and what you do to help that person? A: You would recognize the signs of a problem drinker by looking for chances in a person’s behavior or life situation such as loss of initiative, frequent
asked by Victoria 
algebra
Three subtracted from 4 times a number is 17. Find the number.
asked by eudora 
Math
Onehalf of the students at Greendale Middle School take art. Twothirds of the students take Spanish. Deshawn uses a coin and a standard number cube as a simulation of the students at Greendale Middle School. Deshawn lets “T” represent a student
asked by Ember 
Chemistry
How many mL of 1.2 M HCl is needed to react with 5.8 g of Al(OH)3
asked by Chris 
chemistry
If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?
asked by jules 
statistics
Two cards selected from standard deck of 52 cards. The first is replaced before second card selected. Find the probability of selecting a diamond and then a king
asked by tim 
One Math Problem
At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;
asked by Ember 
Social Studies
1. Which most precisely describes the location of Southwest Asia? a) west of India b) south of the Arctic Cirlce c) north of the equator d) east of the Mediterranean Sea**
asked by Annabelle 
Art
An Asian sculptor creates an image of the Buddha for the local temple. The artist’s primary responsibility is to A. self: as long as he does his best, that’s all that matters. B. Buddha: he must work hard to please this revered leader. C. future
asked by Queckscope n3rd 
Social Studies
Which of the following most contributed to the rise of Sumer? A. Farming** B. Military Power C. Isolated location D. Trade You are a young woman in Saudi Arabia. Which of these should you not plan to do? A. Apply for a job outside the home** B. Take a test
asked by Mariah 
Chemistry
Calculate solubility of AgCl (in g/L) in a 6.5*10^3 M silver Nitrate solution ksp= 1.8 * 10^10 (AgCl molecular mass is 143.3g) any idea on how to do this this is what i tried> AgCl> Ag + Cl I 6.5*10^3 0 C same x E same x ksp = [Ag][Cl] (1.8 * 10^10)
asked by Steve 
Chemistry
Five grams of sodium are combined with unlimited bromine. How many moles of bromine are used up? How many liters of bromine would be used if the reaction took place at STP? My answer: .1088 mole Br2 and 2.44 L Br2
asked by Anonymous 
Physics
The near and the far points of a shortsighted are 8 cm and 20 cm from the eyeball. a) What power of corrective lens is needed for this eye to see distant objects clearly? b)What will the resulting near point then be?(Assume that the lens is placed very
asked by Sophie 
Math
A clock starts at 12:59. What time is it after the minute hand rotates 24 degrees?
asked by Peter 
Algebra
Tom and Jerry are working together to weed the garden. Working together it takes them 2 hours and 24 minutes. If it takes Tom two hours longer to finish the job alone than it takes Jerry to finish the job alone, how long would it take each of them to weed
asked by Megan 
Math Help
At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;
asked by Ember 
Math
Charlotte divided a whole pizza into 4 pieces . One piece formed a straight angle. One piece formed a right angle . Two pieces formed acute angles with the same degree measure
asked by Ahmed 
Math
You live 2 3/4 miles from school. In the morning, you walk 1/3 mile directly toward school to the bus stop. Later, when you get off the bus, you walk home the same distance. How many miles do you ride to and from school each day?
asked by Nick 
Finance
Joseph is 28 and would like to retire at 55. He has $25,000 to invest today and would like to have $1,000,000 in his retirement account when he retires. Joseph has found an investment that will pay him a return of 6% until retirement. How much will Joseph
asked by Elcia 
Chemistry
Calculate solubility of AgCl (in g/L) in a 6.5*10^3 M silver Nitrate solution ksp= 1.8 * 10^10 (AgCl molecular mass is 143.3g) any idea on how to do this this is what i tried> AgCl> Ag + Cl I 6.5*10^3 0 C same x E same x ksp = [Ag][Cl] (1.8 * 10^10)
asked by Steve 
Chemistry
what volume of 0.120 M NaOH must be added to 100 ml of 0.100 M NaHC2O4 to reach ph of 4.70? The answer is 60 ml but I don't know how to find it. Can you please show me the steps and how to do it please
asked by Steve 
Physics
Please help me!! I need this as soon as possible. 2.A billiard ball at rest is struck by the cue ball of the same mass whose speed is 5 m/s .After an elastic collision the cue ball goes off at 50 degree with respect to its original direction of motion and
asked by Anonymous 
Physics
A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through an 80.0 Ω resistor. (a) How long after discharge begins does it take for the capacitor to lose 90.0% of the following? (i) its initial charge in seconds (ii) its initial
asked by Alyssa 
chemistry
calculate the valume of 200g og h2
asked by monayem 
Physics
There is current of 115 pA when a certain potential is applied across a certain resistor. When that same potential is applied across a resistor made of the identical material but 30 times longer, the current is 0.044 pA. Compare the effective diameters of
asked by Alyssa 
Chemistry
An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 101 M, [O2]0 = 4.1 × 104 M t(s)
asked by Jesse 
Physics
A synchrotron radiation facility consists of a circular ring that has a 48.0 m radius and creates an electron beam with a current of 497 mA when the electrons have a speed approximately equal to the speed of light. How many electrons pass a given point in
asked by Alyssa 
Math
the sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers. i understand the first equation but i don't know the other one.
asked by Kevin 
chemistry
A gas sample contained in a cylinder equipped with a moveable piston occupied 300.0 mL at a pressure of 2.00 atm. What would be the final pressure if the volume were increased to 500.0 mL at constant temperature? Answer should include units.
asked by Kyra 
physics
A cat dozes on a stationary merrygoround, at a radius of 4.5 m from the center of the ride. The operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 7.2 s. What is the least coefficient of static friction
asked by Anonymous 
Algebra
Greg invested his savings in two investment funds. The amount he invested in Fund A was 3 times as much as the amount he invested in Fund B. Fund A returned a 6% profit and Fund B returned a 7% profit. How much did he invest in Fund B, if the total profit
asked by Juan 
chem
If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?
asked by Anon 
math
Enrique’s parents want to save for his education. On his 12th birthday, they deposit $6,000 in a savings account that pays 5% simple annual interest. What will the balance be when he turns 18?
asked by Julian 
Math
What might the lengths of a horse enclosure border be if the area of the enclosure is 52 square yards?Be sure to give evidence to support your thinking. Draw a picture to support your answer?
asked by Ashleigh 
CHEMISTRY PLEASE HELP APPRECIATE IT LOTS!
7.) How many moles of fluroine are required to react with 12 g of sodium iodide? I already balanced it but am confused to go from here F2 + 2 NAi  2 NaF + I2 12 g NaI + 2 mol NAI/149.89 gNAi * 1 mol NAF/1 mol NAi * 1 mol F2 / 2 mol NaF 1.) how many
asked by Anon 
Ms. Sue, please help me on math!
At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;
asked by Ember 
Math
Three years ago, Ava lent her sister $400 to buy some clothes. Today Ava’s sister paid her loan in full with $454. What simple annual interest rate did she pay?
asked by Julian 
Math
There are 28 7th graders in Ms. Thomas's homeroom. Seven of the students are absent today. What percent of the class was absent?
asked by Sidney 
math
a chef is only making half of the frosting recipe 3 cups granulated sugar 1/4 teaspoon cream of tartar 1 1/2 cups of water 1 cup powdered sugar 1/2 teaspoon vanilla 1/2 teaspoon almond
asked by larry 
Chemistry
Calculate the molal concentration. A 1% (w/w) solution of cocaine hydrochloride ( molar mass 339.81 g/mol) in water.
asked by Student 
Social Studies
Where do most people in Arabia and Iraq live? a. in the Fertile Crescent b. in the Rub' alKhali c. in cities d. in and around Mecca I think either A or C??
asked by Annabelle 
Social Studies
1. From where did Islam spread? A. from India to Arabia B. from the Persian Empire to the Arab Empire** C. from Macedonia with Alexander the Great D. from Macca and Medina through Arabia 2. Which of the following circumstances poses the greatest benefit
asked by Sofie 
Chemistry
Using the equation: 2C2H6 + 7O2> 4CO2 + 6H20 How may moles of 02 are needed to react with 4.0 mol of C2H6? I think the answer is 14, because if you double the C2H6 to make 4.0 mol, then in the equation you will need to double the O2 to 14. Is this
asked by Eric