Questions Asked on
May 8, 2013

Data Gathering and Inference
When the production manager finds the average life of her bulblifetime data, it is an example of what phase of inferential statistics? A. Data organization. B. Data gathering. C. Data analysis. D. Probabilitybased inference.
asked by Tifini 
Chemistry
Consider a generic redox reaction then suppose that the coefficients in the redox reaction are doubled. How will the following quantities be affected for a voltaic cell under nonstandard conditions, will they be Doubled, Halved, Squared, or No Change. Note
asked by Christopher 
MATH HELP?!?!?!
1. Maria has the following scores in her mathematics class: 86 75 97 58 94 and 58 a: Find the mean median and mode b: Should Maria's Mathematics class teacher use mean median or mode of the exam to convince Maria that she needs to study more regularly? 2.
asked by Rebekah 
ENGLISH LITERATURE
ANSWER ONE ESSAY 'TAKE A NOBLE MAN. PUT HIM IN A SITUATION WHERE DESPITE HIS NOBILITY HE FAILS TO MAKE THE RIGHT DECISION OR CHOICE . SEE HIS GRADUAL DECLINE AND DOWNFALL . FEEL HORROR AT THE SIGHT OF HIS COLLAPSE . THIS S THE TRAGEDY OF OTHELLO . TAKING
asked by MADHURIKA 
statistics
According to the Census Bureau's 2002 American Community Survey, the average travel time to work of workers 16 years and over living in Boston, MA, who did not work at home, was 28.2 minutes with a standard deviation of 0.79 minutes. A sample of 35 commute
asked by ali awan 
HELP HARD CHEM. QUESTION!
Using the following spontaneous reactions, classify the 3 metals involved (Cr, Sn, Al) according to increasing reductant properties. a)2Cr + 3Sn2+ >2Cr3+ + 3Sn b)Al + Cr3+ > Al3+ + Cr
asked by scilover 
statistics
The distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inches and standard deviation 2.5 inches. What is the probability that a randomly selected woman is between 60 and 64 inches tall?
asked by ali awan 
english
Fable for tomorrow This town does not actually exist, but it might easily have a thousand counterparts in America or elsewhere in the world. I know of no community that has experienced all the misfortunes I describe. Yet every one of these disasters has
asked by mandy 
statistics
According to a Gallup Poll conducted in March of 2009, 38% of American adults polled believe that global warming will pose a serious threat to them or their way of life in their lifetime. Assuming a sample size of 1000, calculate a 95% confidence interval
asked by ali awan 
geometry
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole? step by step on
asked by maria 
math
find the accumulated value of an investment of $10000 for 5 years at an interest rate of 5.5% if the money is a. compounded semiannually; b. compounded monthly; c. compounded continuously.
asked by newlemon 
Trig
Use sum and difference identitites to find the exact value of co 15 degrees
asked by Christy 
HELP! CHEMISTRY
Which one of the following species will react with Sn at standard state conditions? a) S b) Ag+ c) Cu d) Zn2+ What does it mean by standard state conditions? And what do I have to look at to determine it? Would it be Zn2+?
asked by scilover 
Physics
What is the electric force between a glass ball that has +4.5 × 10−6 C of charge and a rubber ball that has −7 × 10−6 C of charge when they are separated by a distance of 4.9 cm? The value of the Coulomb constant is 8.98755 × 109 N · m2/C2.
asked by Michael 
algebra 2
A dog kennel is to be constructed alongside a house using 60 m of fencing. Find the dimensions that will yield the maximum area. How do you solve this problem?
asked by Rachel 
trig identities
Find the exact value of cos (2theta) given csc theta = 8/3 and 0 < theta < pi/2
asked by Sean 
math 12
the productivity of a person at work (on a scale of 010) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in hours. If the person starts work at t=0, being 8:00 am, at what times is the worker the least productive? a) 12pm B) 10 am and 2pm C)
asked by i hate math 
statistics
5. What happens to the width of our confidence interval for m if we increase the sample size but keep the confidence level the same? A) It increases. B) It decreases. C) It stays the same. D) It depends on the sample mean and standard deviation.
asked by ali awan 
statistics
11. Suppose we are estimating m. What happens to the required sample size as the population standard deviation increases while the confidence level and desired margin of error remain constant? A) It increases. B) It decreases. C) It does not change.
asked by ali awan 
statistics
Assume that body temperatures of healthy adults are normally distributed with a mean of 98.2°F and a standard deviation of 0.62°F. Suppose we take a sample of eight healthy adults. What is the probability that their mean body temperature will be greater
asked by ali awan 
Psychology
Sound which impinges on the inner ear and the auditory nerve arrives as a fairly meaningless stimulus. At this point, it should be viewed as: (Points: 5) perception. sensation. an auditory stimulus item. free of environmental noise. I believe it is
asked by angela 
Psychology
When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event.
asked by angela 
Psychology
In a classroom experiment, students were asked to place one paper clip in each hand. They were then instructed to add paper clips to the left hand until they were certain that the clips in the left hand weighed more than the paper clips in the right hand.
asked by angela 
Psychology
A physiological support of hypnosis as a different state of consciousness is: (Points: 5) rapid eye movement initiated when a person is hypnotized. a change in the electrical activity of the brain in hypnosis. the sense of time removed. reaction time slows
asked by angela 
Psychology
Although someone who is hypnotized may be compliant and susceptible to suggestion, it is clear that: (Points: 5) they are pretending and know exactly what they are doing. they will be able to recall the directions and events which took place after they
asked by angela 
Psychology
Barry knew Alice was tired, but he was surprised that the argument between their threeyearold twin boys did not awaken her. She had not been asleep very long and occasionally changed her position, but did not wake. Alice is probably in: (Points: 5) stage
asked by angela 
statistics
do students who learned English as well as another language simultaneously score worse on the SAT critical reading exam than the general population of test takers? the mean score di 501. A random sample of 100 test takers who learned English as another
asked by shannon 
statistics
students who learned English as well as another language simultaneously score worse on the SAT critical Reading exam than the general population of test takers? The mean score among all test takers on SAT Critical Reading exam is 501 A random sample of 100
asked by shannon 
Physics I need help someone plz help out
An example of the neutron absorption reaction is . 1 0 n+10 5 B>7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^27 kg. calculate Q Q= in MeV I have the same
asked by Amy 
CONFUSING QUESTION PLEASE HELP
Which one of the following species will react with Sn at standard state conditions? a) S b) Ag+ c) Cu d) Zn2+
asked by scilover 
Maths
Suppose a and b are positive integers satisfying 1≤a≤31, 1≤b≤31 such that the polynomial P(x)=x3−ax2+a2b3x+9a2b2 has roots r, s, and t. Given that there exists a positive integer k such that (r+s)(s+t)(r+t)=k2, compute the maximum possible value
asked by HELP!! 
physics
Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its
asked by mattheaus 
Probability
You have a 4card deck containing a queen, a jack, a 10, and a 9. You draw a random card, put it back, and draw a second random card. Use a tree diagram to calculate the probability that you draw exactly 1 face card (a queen or a jack). A. 1/2. B. 7/16. C.
asked by so confused! 
statistics
A study involving the economic burden of congestive heart failure found that the lengths of hospital stays for patients had a mean of 7.8 days with a standard deviation of 9.1 days. For random samples of size 40, find the sample mean length of stay that is
asked by ali awan 
math
rewrite the expression by factoring out (v+5) 5v^2(v+5)+3(v+5)
asked by Josh 
Physics
At the upper surface of the earth's atmosphere, the timeaveraged magnitude of the Poynting vector is referred to as the solar constant and is given by =1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal
asked by amit sharma 
chem
The solubility of nitrogen in water is 8.21 E4 mol/L at 0°C when the nitrogen pressure above water is 0.790 atm. Calculate the solubility of nitrogen in water when the partial pressure of nitrogen above water is 9.55 atm at 0°C?
asked by madd 
Physics
Consider the stability of a ladder of mass m and length L leaning against a wall. A painter wants to be sure the ladder will not slip across the floor. He knows that the frictional force exerted by the floor on the bottom end of the ladder is needed to
asked by R 
Psychology
As a scientist, Carl is concerned with the intensity of lights in the modern human environment. In his research project, Group A consists of volunteers who have agreed to sleep each night for a week with a 150 watt light bulb hanging over their bed. Group
asked by angela 
math
A cylindrical carton of oatmeal with radius of 3.5 in. is 9 in tall. If all surfaces except the top are made of cardboard , how much cardboard is used to make the oatmael carton. Round your answer to the nearest square inch
asked by Hannah 
math
a cylinder can of coca has the dimensions of base 7in and height 5 inches. what is the approximate surface area available for the label?
asked by Hannah 
L.o
Identify and describe 3 enviromental health hazards that cause ill health .crises,and or disasters within your community within south africa and globally.
asked by Matseleng moyana 
physics
An adult and a child are on a seesaw 14.5 ft long. The adult weighs 152 lb and the child weighs 80 lb. How many feet from the child must the fulcrum be placed so that the seesaw balances?
asked by Anonymous 
Chemistry
How many moles of potassium hydroxide are required to neutralize 1.25 mol of phosphoric acid? H3PO4 + 3KOH > K3PO4 +3H2O I got 0.42 mol KOH , is this correct? thanks!
asked by Anonymous 
Math
Divide. Write in simplest form. 5. 1/3 divided by 2/5=5/6 6. 1/9 divided by 1/2=2/9 7.2/3 divided by 1/4=8/3=2 2/3 8. 1/2 divided by 3/4=4/6=2/3 9. 4/5 divided by 2=1 3/5 10. 4/5 divided by 1/10=40/5=8 11. 5/12 divided by 5/6=30/60=1/2 12. 9/10 divided by
asked by Jerald 
Math
A lighthouse is east of a Coast Guard patrol boat. The Coast Guard station is 20 km north of the lighthouse. The radar officer aboard the boat measures the angle between the lighthouse and the station to be 23°. How far is the boat from the station?
asked by Grace 
Physics please help me out! thank you
If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it? t= light years I got 2.4x10^8 light years but its wrong please help me out...thank you
asked by Leila 
Math
10. 9/10 divided by 1/2= 1 4/5 12. 8 divided by 4/5=1/4 14.9/10 divided by 1/4= 3 3/5 16. 9/10 divided by 3/4= 1 6/30 18. 15 divided by 5/9= 1/27
asked by Jerald 
physics
a car is moving with a uniform speed of 72km/h .The driver sees a child at a distance of 50m. he applies brakes to stop the car just before the child. Calculate the acceleration.
asked by Anonymous 
ENGLISH
12. Which of the following lists demonstrates various tenses of an irregular verb? A. I call, I called, I will call B. I walk, I walked, I will walk C. I try, I tried, I will try D. I go, I went, I will go
asked by NANA 
geometry!!! please help me!!!!
Determine the least positive integer n for which the following condition holds: No matter how the elements of the set of the first n positive integers, i.e. {1,2,…n}, are colored in red or blue, there are (not necessarily distinct) integers x,y,z, and w
asked by sanji 
maths
The squares of a 3×3 board are randomly coloured black or white. Let W be the number of white squares and B the number of black squares. The expected value of B−W can be expressed as ab where a and b are coprime positive integers. What is the value of
asked by hemant 
Chemistry
A saturated solution of potassium nitrate in water is prepared at 70.0*C then cooled to 55.0*C how many grams of potassium nitrate crystallized how do I determine this using my graph with everyone's numbers
asked by Melissa 
geometry
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?
asked by raul 
Service management
An outpatient clinic has kept a record of walkin patients during the past year. The table below shows the expected number of walkins by day of the week: The clinic has a staff of five physicians, and each can examine 15 patients a day on average. a. What
asked by Kevin 
Math
A pen costs twice as much as a pencil. If Susan spends $ 1.50 for a pen and a pencil, how much does a pencil cost ?
asked by Sadia 
math 12
the height of a ball is modelled by the equation h(t)= 4sin (8 pie t)+ 6.5 where h(t) is in metres and t is in seconds. what are the highest and lowest points the ball reaches? a) 10.5 m and 6.5m b) 10.5m and 2.5m c) 6.5m and 2.5m d) 14.5m and 6.5 m
asked by i hate math part 2 
math
suppose you roll 2 number cubes. what is the probability that the product of the numbers is a multiple of 7
asked by p 
Math
A pen costs twice as much as a pencil. If Susan spends $ 1.50 for a pen and a pencil, how much does a pencil cost ?
asked by Sadia 
calculus
hi im back.. solve cosx= (squareroot3)/ 2 where 0
asked by Maria 
Probability
You roll two dice. What is the probability that the sum of the dice is even and one die shows a 4? A 6x6 table of dice outcomes will help you to answer this question. A. 1/6. B. 5/18. C. 2/3. D. 5/36.
asked by so confused! 
statistics
6. Which distribution has the larger mean? i) t distribution, (df = 30) ii) standard normal distribution A) i) B) ii) C) They are the same.
asked by ali awan 
statistics
7. Determine whether it is appropriate to apply the Central Limit Theorem for Proportions: sample size 35, sample proportion 0.95. A) Yes B) No
asked by ali awan 
math
if you have two thirds of lace and another pattern calls for five ninths of lace,how much more did the first pattern call for?
asked by rose 
chemistry
a sample of oxygen gas has a volume of 7.64 L at a temperature of 19C and a pressure of 1.38 atm. Calculate the moles of O2 present in this gas sample
asked by barbra 
Chemistry
A beaker is filled with Ammonia (NH3) and Hexane. A surfactant with a polar head group and nonpolar tail is added to the mixture, and the beaker is agitated and then allowed to equilibrate. The values of density are 0.65 g/cm3 for hexane and 0.60 g/cm3
asked by XACTO 
statistics
Using the results of a Newsweek poll conducted in March of 2009, a 90% confidence interval on the proportion of adult Americans who have a favorable opinion of Barack Obama is given by (0.699, 0.741). What is the margin of error?
asked by ali awan 
chemistry
a gas occupies 37.6 L at 2.00 atm pressure and 27C degrees. how many moles of gas are present in this sample
asked by barbra 
math
5 is half of my factor. the sum of my digits is four. i'm between 30 and 100. what number am i?
asked by lia 
statistics
10. Using the results of a Newsweek poll conducted in March of 2009, a 90% confidence interval on the proportion of adult Americans who have a favorable opinion of Barack Obama is given by (0.699, 0.741). If everything else is the same, but the confidence
asked by ali awan 
chemistry
Sodium dodecyl sulfate (SDS) has the structure below. The surface tension of water changes as SDS is added, as shown in the graph below. (a) Why does the surface tension of water change as SDS is added? The number of micelles increases, which allows the
asked by Anonymous 
statistics
12. Suppose we are estimating p and we have no prior estimate of p. Find the required sample size for a confidence level of 90% and a margin of error of 0.02.
asked by ali awan 
4th grade english
i need help diagramming subjects,predicates,adjectives and adverbs
asked by jordyn 
PreCalculus
How does even multiplicity impact a graph?
asked by Deontre 
Discrete Math
Let f : R R→Z be the closed binary operation defined by f (a, b) _ _a + b_. (a) Is f commutative? (b) Is f associative? (c) Does f have an identity element?
asked by Mike 
life oriantation
in 1015 lines critically discuss 5 ways in which health problem impacts on the community
asked by hazel 
History
What caused the SNCC to have negative feelings toward Martin Luther King, Jr.? Give two reasons.
asked by Patricia 
PHYSICS
A SPRING WITH A CONSTANT K = 8N/m IS STRETCHED 5CM AND RELEASED. IT BOBS UP AND DOWN EVERY 2.5 SECONDS. WHAT IS ITS FREQUENCY, PERIOD, ABD AMPLITUDE
asked by SAN 
History
Explain a few of the National Urban League’s social services and what they entailed.
asked by Patricia 
physical science
if the maximum amount of water vapor in the air at 15 degrees c is 12.5 g/m^3, what is the actual amount of water vapor in the air if the relative humidity is 85.0%
asked by leeah 
statistics
According to a USA Today poll conducted in February 2009, 83% of adults nationwide are in favor of funding new government programs to help create jobs. Calculate the mean number of adults in favor of funding new government programs to help create jobs in a
asked by ali awan 
math
15. 3/8 divided by 9=1/24 17. 2/5 divided by 4/7= 7/10 19. 6/7 divided by 3/11= 3 3/21 21. 5/6 divided by 5/12= 2 23. 7/9 divided by 1/7= 5 4/9 35. 3/5 divided by 9/11=33/45
asked by Jerald 
science
a car of mass 100 kg traveling at 72 km/hr is brought to rest by applying the brakes.assuming that the kinetic energy of the car becomes transferred to internal energy in four steel brakes drum of equal mass, fine the rise in temperature of the drums if
asked by ingmarie 
chemistry
A. Find and list all of the different half cell combinations. Hint 15 combinations! 1. Copper/ Cu2+ 2. Lead/ Pb2+ 3. Magnesium/ Mg2+ 4. Zinc/ Zn2+ 5. Iron/Fe2+ 6. Aluminum/ Al3+ B. write the half reactions of each combination and the overall redox
asked by Chloe 
HISTORY
If you were going to compare & contrast FDR and LBJ what aspects of their lives would you compare what aspects would you contrast. I am writing a paper on them and what to get some ideas and see what other people think is important, in the end I will
asked by renee 
Math
So the questions was>Factor the following algebraic equation and describe the process by which it is done: x²+ 3x – 10 = ? I solved the questions correctly but my teacher said I need to show it algebraically not arithmetically. & she said that I need
asked by Jenny 
programming
draw a flowchart and write a program and pseudocode that prompts the user for a starting balance and then prints the number of years it takes to reach 100000 and also number of years it takes to reach 1000000
asked by maria 
statistics
A study performed by Bridge Ratings found that in 2006, 58% of respondents said they use a cell phone while traveling in a vehicle (the survey participants were restricted to individuals who spent at least one hour per day commuting in their vehicle). For
asked by ali awan 
Ap chemistry
What is the approximate molar fraction of ethanol c2h5oh in an aqueous solution in which the ethanol concentration is 11.0 molal? A. 0.0011 B. 0.011 C. 0.170 D. 0.200 E. 0.600
asked by Lacey 
grade 12
describe the life style disease/ behaviour and explain 5 factors that contribute to cancer of the gullet.
asked by maponya tshegofatso 
life orientation
provide recommendations on how to address the topic that you identified in the previous question
asked by lindelwa 
Math
We first note how the polynomial in the previous exercise can be written in the nested multiplication method: 8 + x(−10 + x(7 + x(−2 + x(3 + 12x)))). Using this representation, the following pseudocode procedure (implementing Horner’s method) can be
asked by Darah 
Math
d/dx 1/cos[3cosx2sinx)/sqrt3]
asked by Arvind 
Physics Someone help please!
An example of the neutron absorption reaction is . 1 0 n+10 5 B>7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^27 kg. calculate Q Q= in MeV I have the same
asked by Amy 
statistics
Merchandise inventory purchases for a firm for a threemonth period are: January: 2,000 units @ $12 per unit; February: 1,800 @ $14 per unit; March 2,600 units @ 15 per unit. What is the mean unit cost of merchandise inventory?
asked by Anonymous 
Physics
A wave solution to Maxwell's Equations is given by E⃗ =E0xˆcos(5.0 z)cos( 1.03e11 t) where z is measured in centimeters and t in seconds. (a) What is the wavelength (in rad/meter) of the wave? (b) What is the index of refraction, n, of the medium? (c)
asked by amit sharma 
Geometry
A=5 and c=√10, then b=?
asked by lu 
math
what is the new volume of a rectangular prism that is originally 12 cubic meters and is them resized using scale factor of 4 on each side length?
asked by Anonymous 
Physics
Write down the electric field and associated magnetic field in vacuum for a traveling plane wave with the following properties. The amplitude of the electric vector is E0 and the frequency is ω. The radiation is linearly polarized in the yz plane at an
asked by amit sharma 
Geometry
A=5 and c=√10, then b=?
asked by lu 
Physics
The sled is stuck in the snow. A child pulls on the rope and finds that the sled just barely begins to move when he pulls with a force of 24 N, with the rope at an angle of θ = 33° with respect to the horizontal. The mass of the sled is 14 kg. If the
asked by R 
agricultural sciences grade12
Otline and explain the objective of fencing fsrm land
asked by Dinanah 
re: geometry
A=5 and c=2√10, then b=?
asked by lu 
Life orientation
In 1015 lines critically discuss 5 ways in which human or enviromental problem of nutrition on the community
asked by Kgothatso 
Physics
Ey=E0sin(kx−ωt), Ez=4E0sin(kx−ωt), the magnetic field can be written in the following way B =[ sin(ωt+(−1)bBkx)(cBxˆ+dByˆ+eBzˆ)] In other words: Bx=cBsin(ωt+(−1)bBkx), By=dBsin(ωt+(−1)bBkx), Bz=eBsin(ωt+(−1)bBkx) Find : dB . Express it
asked by amit sharma 
socology
10. What type of sociologist stresses a commitment to positively impacting society through sociology? Academic Applied Public Scientific 9. What are the five key social institutions that impact society? Economy, government, religion, education, and public
asked by mace 
Physics
An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of
asked by amit sharma 
Pre Calculus
How are the factors of a polynomial related to the xintercepts of a polynomial? How do you find the xintercepts given the factors?
asked by Shonda 
math
can someone help me in finding the process in finding the area for a triangle, trapezoid, circle and rectangle
asked by Jenny 
MATH
WHAT IS PLACE VALUE AND VALUE REPRESENT
asked by Anonymous 
statistics
plain type fonts such as times new roman are easier to rean than fancy fonts such as gigi. a group of 25 voulunteer subjects read the same text in both fonts. (this is a matched pairs design. Onesample procedures for proportions, like those for means, are
asked by Savanah 
maths
When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.
asked by anoynomous 
physics
Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its
asked by mattheaus 
english
The tried and true methods quite often can't be beat.
asked by vic 
MATH Calculus Homework
Find the area of the region between the curve y^2=4x and the line x=3.
asked by Prue 
calculus
what is volume of each drop (US unit)?
asked by vahid 
Pre Calculus
How does even multiplicity impact a graph?
asked by Deontre 
Math
How much farther did chris run on thursday than on wednesday? If he run 3 5/8 on thursday an 1 1/4 on wednesday
asked by Luis 
english
Complete each sentence so that the meaning of the italicized abstract word is made more concrete. (Each question is worth two points) 7. The party was a lot of fun. We 8. Tony is a kind boy who is apt to 9. That day I was so worried that I
asked by vic 
Calculus
Using the equation x(t)= t^3  12t + 1, find the displacement during the first 3 seconds. And then find the velocity during the first 3 seconds. See, I know how to find velocity, but there's a question after that that says to find velocity when t=3...so
asked by Millie 
Pre Calculus
Solve 2cos^2(2x)=1 I divided both sides by 2 and got this cos^2(2x)=1/2 But then I didn't know what to do after that... The part that has me stumped is that it's a cos^2(2x) not just a cos^2x. Any advice on what I should try next?
asked by Chris 
CALCULUS
lim x>2 f(x) where f(x) = { x^2x2/ 3x6 , x2} is f(x) continuous at x = 2 ? explain..
asked by RAY 
CALCULUS
Lim x>4 (x^2+3x+4)/5x12
asked by RAY 
physics
How does the radiant energy from an incandescent solid differ from the radiant energy emitted by an excited gas?
asked by Emilie 
Life orientation
How do poor sanitary affecf the community?
asked by Tiny 
social studies
the federal system info on national government (enumerated powers). info on state government (reserved powers) info on both (concurrent powers)
asked by anonymous 
chemistry
how to determine the oxalate and copper in K[Cu(C2O4)2].2H2O
asked by rayan 
math
You cut square corners from a piece of cardboard that has dimensions 32 cm by 40 cm. You then fold the cardboard to create a box with no lid. To the nearest centimeter, what are the dimensions of the box that will have the greatest volume?
asked by taylor 
math
A sample of size 100 is taken resulting in a standard deviation of 3. Construct a 95% confidence interval for the population variance.
asked by Jewelz 
calculus
a spring exerts a force of 150 N when it is stretched 0.4 m beyond its natural length. How much work is required to stretch the spring 0.9 m beyond its natural length?
asked by Anonymous 
Science
A constrained string with a length of 8.5 meters is vibrating at its fundamental frequency of 113.1 Hz. What is the frequency of the 7th harmonic on this string?
asked by Anjali 
English(MAcbeth)
why is fair is foul and foul is fair a paradox and is it a motif. I believe its a motif because it keeps repeating in the story. WHy is it a paradox.
asked by Maya 
Life science
How does the sun allow you to Run the mile
asked by Bob 
CALCULUS
Lim x>4 (x^2+3x+4)/5x12
asked by RAY 
calc
x^2 + √(x+y) + y^2 = 0; y is a differentiable function of x
asked by Sunny 
REFLECTION AND OBSERVATION
Which one of the following statements uses language best to present a clear picture of a child's behavior?
asked by Anonymous 
Statistics
In roulette, the bet on a “split” pays 17 to 1 and there are 2 chances in 38 to win. The bet on “red” pays 1 to 1 and there are 18 chances in 38 to win. Compare the following two strategies: A: bet $1 200 times (independently) on a split B: bet $1
asked by Din123 
Physics Need quick help please
Estimate the total binding energy for copper. 550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons. E= in Joules Please help me out I got 1st part I need the Energy in joules am confused please help me
asked by Leila 
Science
Please explain the terms associated with the study of levers.
asked by Divine 
Math
Find the reciprocal of each number. 1. 2 1/2 2. 1/6 6/1 3. 4/11 11/4 4. 3/5 5/3
asked by Jerald 
English
At first, only adults played with the yoyo. What effect did this have on the adults?
asked by Anonymous 
math
If you put me into 7 equal groups with 3 in each group and 5 left over,, what number am I?
asked by shawn 
Phase Changes
The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, the specifc heat of ice is 2.05 J/deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be
asked by Jenny 
life orientation
describe the lack of physical fitness and 5 factors that contribute to the disease?
asked by cwengile 
none
If a car with two passengers go off a cliff that is 100 feet over a river of water, what is the best way to land?
asked by fadell 
gov
what was the lower courts decision of the terry v.s ohio case?
asked by hannah 
Physics!
The activity of a sample of 35(upper#) 16(lower#)Sulfer (T 1/2= 7.55x10^6 s) is 2.51x10^5 decays per second. WHat is the mass of the sample? m= in grams PLease help me out...Thank you! :)
asked by Leila 
L.o
5 ways in which the human or environmental problem impacts on the community
asked by Nonyamezelo 
Physics to Elena
Estimate the total binding energy for copper. 550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons. E= in Joules Please help me out I got 1st part I need the Energy in joules am confused please help me
asked by Leila 
Math
Divide write in simplest form 13. 3/4 divided by 7/12=1 3/28 14. 9/10 divided by 9= 8 1/0 15. 2/3 divided by 5/8=1 1/5 16. 4 divided by 7/9=9/28
asked by Jerald 
mathspolynomials
When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.
asked by anoynomous 
Math
Do you need to regroup to find product of 34 and 3? Explain
asked by Lee 
english
Make up an alliterative headline for each of these newspaper reports.a)A man is attacked by a shark..b)The local library burns down..c)A cat is rescued from a tree by the fire brigade.
asked by kina 
writing
im writing a research report on Marilyn Monroe, not sure how I should write it out cause of all the info. about her.i cant write it all! should I?
asked by jada 
fanince
) A thirtyyear U.S Treasury bond has a 4.0 percent interest rate. In Contrast, a tenyear Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be 0.2 percentage points for the Longer maturity bond. Investors expect
asked by jasom 
life orientation
please i need an answer for , In 1015 lines critically discuss 5 ways in which the human or environmental problem impacts on community. provide relevent sources to support your claims.
asked by Lehlogonolo M.R 
Honors Trig
a plane is flying in the direction of 190 degrees with an air speed of 400 mph. Its course and ground speed are 200 degrees and 350 mph respectively. What is the speed and direction of the wind?
asked by Sheryl 
stats
It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher
asked by Anonymous 
Science
Please for diagrams to show the terms associated in the study of levers.
asked by Divine 
English
While I like bacon, it is not good for me. Sentence fragment Comma splice Run on sentence Complete sentence
asked by Harold 
Math
Find the value of each expression if x= 1/4 y= 3/5 and z= 2/3 28.z divided by 2 1/3
asked by Jerald 
calculus
16. Given the following information, determine the constant speed, travel time, and cost that represent the minimum oneway trip delivery cost. Fuel costs per hour are equal to V^2/600 V is the speed in miles per hour Driver (labor) costs are $10 per hour
asked by James 
physics
A20 kg box is suspended from the ceiling by robe that weight of the rope is 1kg find the tension
asked by natnael 
Life Orientation
1.a. Fisrt identify one environmental or human factor that causes ill health. In 1015 lines discuss 5 ways in which the human or environmental problem impacts on the community. Provide relevant sources to support your claims.(10) marks. 2.b. Provide
asked by Rirhandzu Molea 
life orientation
critically discuss 5 ways in which the human or environmental problem impacts on the community.provide relevent sources to support your claims
asked by yoliswa mhlanga 
English
When one buys insurance, you need to be clear about your needs Pronoun shift in number Pronoun shift in person Ambiguous reference No error
asked by Harold 
calculus
Given ensuing information, determine the least cost and the least cost mix of on and offshore pipe. The intake facility is in the water 2 miles vertically north of the shoreline The water filtration plant is on land 1 mile vertically south of the
asked by James 
Physics
The roller coaster starts with a velocity of 16 m/s. One of the riders is a small girl of mass 26 kg. Find her apparent weight when the roller coaster is at locations B and C. At these two locations, the track is circular, with the radii of curvature
asked by R 
Math
I have a question that i've worked through but can't seem to figure out how to converge it to kg. A trail mix contains a 4: 7 ratio of raisins to peanuts. How many kilograms of raisins are there if there are four kilograms of peanuts in the mix? 4/7 X x/4
asked by Jenny 
math
integrate (x^2 + 2x + 5) / (x  2)
asked by sunny 
Spanish
The 1st Sentence is me trying to do the work and the second is the actual paragraph. I am trying to put the verb form into preterite or imperfect can you see if i am right? Thanks erase una vez una nina hermosa que se llamaia Capercuita roja todos los
asked by Kevin 
math
It has been found that the average IQ score of students is 115 with a stanard deviation of 6. Find the probability that a random selected student will have an IQ score above 119. Assum the IQ scores are normally distributed.
asked by D. Hearn 
social studies
why might the usa see strategy in the pacific islands?
asked by Anonymous 
life orientation
5 ways in which the human or environmental problem impact on the community on Hiv&aids
asked by Emily 
PreCalc
If tan theta = 9/5 and cot omega = 9/5 Find the exact value of sin (omegatheta)
asked by Joel 
How do you submit your URL?
I'm trying to post a question. But they have graphs on them. But I can't submit the graph on the question because it doesn't allow it? Why is that.
asked by Rebekah 
Math
12. 8 divided by 4/5=10 16. 9/10 divided by 3/4=36/30 18. 15 divided by 5/9=27
asked by Jerald 
math
Given that a sports arena will have a 1400 meter perimeter and will have semi circles at the ends with a possible rectangular area between the semicircles, determine the dimensions of the rectangle and semicircles that will maximize the total area.
asked by sunny 
Business Finance
A bond has a $1,000 par value (face value) and a contract or coupon interest rate of 10.1%. The bonds have a current market value of $1,126and will mature in 10 years. The firms marginal tax rate is 34%. The cost of capital from this bond debt is ____%
asked by Jay 
Math
Cantaloupe is priced at $0.69 per pound. If a cantaloupe weighs 3.241 pounds, how much will it cost? Round to the nearest cent.
asked by Colleen 
calculus
16. Given the following information, determine the constant speed, travel time, and cost that represent the minimum oneway trip delivery cost. Fuel costs per hour are equal to V^2/600 V is the speed in miles per hour Driver (labor) costs are $10 per hour
asked by James 
WorldHistory
This isn't the paper. But, it's 3main topics I think are the significate conquences. significant consequences of the Agricultural Revolution Technology Population Weather
asked by (; 
Math
Picture is 12 inches high, frame is 3/4 of an inch wide at all points, how many inches high are the picture and the frame together?
asked by Pinky 
english
In the text box provided below, type the research report according to the guidelines below. You must submit both your first draft and final versions. Remember that an adult must review your first draft and provide constructive criticism. Assignment: A
asked by lewis 
calc
15. Given ensuing information, determine the least cost and the least cost mix of on and offshore pipe. • • • • The intake facility is in the water 2 miles vertically north of the shoreline The water filtration plant is on land 1 mile vertically
asked by Ryan 
Physics help
A motorbike starts from rest at time t=0 and begins to accelerate around a circular track as shown in the figure below. Eventually, at time t=t1 the motorbike reaches the maximum velocity possible without slipping off the track. What's the minimum length
asked by Mathslover Please help 
Physics help
You are watching a marching band practice outdoors. Near you are two trumpet players, one marching directly towards you and one away from you at the same speed. Each trumpet player is playing an A (440 Hz) and you hear a beat between the two sounds at a
asked by Mathslover Please help 
Finance
Calculate the future value of $5000 given that it will be held in the bank for 6 years and arn an annual interest rate of 7%.
asked by Jeff 
Physics Help
Consider a glass with full of water of mass density ρ=1,000 kg/m3 and height h=20 cm. There's a circular hole in the bottom of the glass of radius r. The maximum pressure that pushes the water back into the hole is roughly (on the order of) p=σ/r, where
asked by Mathslover Please help 
MATH
Solve the differential equations? (calculus) a) square root cotany/ (1+x^2)sin^5y dy/dx = e^x^3 +3x/ square root cotany b) y^2/cosx dy = e^sinx/ e^y^31 dx
asked by RAY 
physics
An example of the neutron absorption reaction is . 1 0 n+10 5 B>7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^27 kg. calculate Q Q= in MeV I have the same
asked by Amy 
Maths Help
A,B,C,D,E,F are 6 consecutive points on the circumference of a circle such that AB=BC=CD=10,DE=EF=FA=22. If the radius of the circle is √n, what is the value of n?
asked by Mathslover Please help 
english
A lorry has shed its load of fruit on the motorway.The traffic is a standstill.No one has been hurt. How to write a headline for this report?
asked by kina 
Algebra
Square root 18 + (3/square root 2)
asked by Brittany 
Math Help
Two points are chosen uniformly at random on the unit circle and joined to make a chord C1. This process is repeated 17 more times to get chords C2,C3,…,C18. What is the expected number of pairs of chords that intersect?
asked by Mathslover Please help 
Probability
The spinner has 6 sections 2 of which are 2. The spinner is now spun until it stops on a section numbered 2. The probability that this happens on the nth spin is 16/243. Find the value of n.
asked by Hajar 
maths
find the place value and value of the 5 in the number 643.758
asked by Anonymous 
Math Help
Four players are playing a game involving choosing positions on a grid of size 3×8. Each player chooses a random position on the grid, then all players reveal their choices and a token is placed on each of the positions. The probability that the tokens
asked by Mathslover Please help 
ENGLISH
15. Which of the following sentences contains a verb in the simple past tense? A. Jenna has driven this route multiple times. B. I was working overtime for about six months. C. We helped Joan to pack her things. D. She would like to join us. I THINK ITS C
asked by NANA 
Math
Adam can run a lap on a certain circular track in 50 seconds. Grampy Sampy can run a lap on this track in 90 seconds. They start at the same location at the same time and move in the same direction. If they each run at a constant speed, how many seconds
asked by Nate Williams 
Math
Ruthie has 10 coins, all either nickels, dimes, or quarters. She has N nickels, D dimes, and Q quarters, where N, D, and Q are all different, and are each at least 1. Amazingly, she would have the same amount of money if she had Q nickels, N dimes, and D
asked by Nate Williams 
agriculture
what are the objectives of fencing a farmland?
asked by neo 
math
game show 6 blocks 3blue worth $5,2red blocks worth $10, and 1yellow block worth $50. Suppose 24 contestants choose and replace a block. How much money can the game show expect to pay out?
asked by Anonymous 
Math
Having a problem writing an expanded number in notation in descending order. Ex. 92,563,174. I know the placements and the number but have a problem when it comes to write it. Can you please help. I would appreciate an example so much.
asked by Help Please 
math
A cubiod has a lenght 13cm wit 9cm and height 8cm calculate surrface area
asked by Chisom 
statistics
12 squirrels were found to have an average weight of 10.5 ounces with a sample standard deviation is 0.25. Find the 95% confidence interval of the true mean weight
asked by Anonymous 
Ms.Sue
Ms.Sue, do you know how to do calc?
asked by James 
math
A cubiod has a lenght 13cm wit 9cm and height 8cm calculate surrface area
asked by Chisom 
math
the probability that a radomly chosen potential customer will make a purchse is 0.20if a sales man calls on 6 customers .what is the probabilty they will make exactly 4 sales
asked by collins 
pre calc
how do u solve for x and y of x+2y=7 2x+y=8 using matrix without using a calculator
asked by pink 
trig
The angle of depression as measured from the top of a 41 foot tower to a reference point on the ground is 65 degrees. How far away, to the nearest foot, is the reference point from the base of the tower?
asked by Anonymous 
Math
Spent 6 hrs at school, spent 2/3 of an hour at lunch, 2/3 of an hour at an assembly, rest of the time in class, how much time was spent in class
asked by Anonymous 
Math
The admission ticket of an amusement park is $50 per head, and there is a 30% discount for a group of equal or over 30 people. What is the minimum size of a group that would rather buy the 30 people group tickets, as that is the cheaper option?
asked by Mathslover Please help 
science
there is technology day celebration in our school. I have to give a speech on a new technology that has developed recently and very rarely known. Please give me some ideas.
asked by edward 
Math
If (8+√19)/(8−√19)=(a/c)+[(b/c)*√19], where a and c are coprime positive integers, and b and c are coprime positive integers, what is a+b+c?
asked by Mathslover Please help 
English
Dave hoped that Steve and ____ would win the tennis tournament Him Himself He His
asked by Harold 
chemistry
Consider the polymer polybutadiene. (a) Will linear polybutadiene or branched polybutadiene have a higher molar volume? (b) Will linear polybutadiene or branched polybutadiene have a higher glass transition temperature? (c) Will linear polybutadiene or
asked by Anonymus 
Math
1/3 of plants on sale, of the plants on sale, 1/4 are rose bushes, 1/6 are spider plants and 1/6 are lilies, what fraction of the plants are discounted rose bushes, spider plants, or lilies
asked by Pinky 
US History
What were the effects of Reagans increased spending on US defense to counter Soviet threats?
asked by Heaven 
Math
The surface area of a bucket is 6,176cm^2. What is the surface area of a similar bucket that is smaller by a scale of 1/4?
asked by Hunter 
Us history
What does this mean, "Franklin was to the United States as bacon was to England" please help thanks.
asked by Eleanor 
chemistry
please i need example of hno3 cuo
asked by lucky 
calculus
A kite with a string 80 feet long makes an angle of elevation of 40 degrees with the ground, assuming the string is straight how high is the kite? round your answer to the nearest foot
asked by Lizzi 
Math
The volume of a cone is 316in^3. What is the volume of a similar cone that is larger by a scale of 3?
asked by Hunter 
chemistry
if the endpoint in the tritration of the KHC8H4O4 solution with the NaOH solution is mistakenly surpressed(too pink),will the molar concentration of the NaOH solution be reported too high or too low?explain
asked by jiska 
US History
What theory was President Reagan's economic program based on?
asked by Heaven 
Maths
The number 1000 can be written in several ways as a sum of one or more consecutive positive integers, for instance, 1000=1000 (one summand) or 1000=198+199+200+201+202 (five summands). Find the largest possible number of summands in a representation of
asked by HELP!! 
Algebra
A test consist of 15 multiple choice questions, 12 truefalse questions and 10 fill in the bland questions. you got 8 questions wrong. what percent of the answers were correct?
asked by Kevin 
Maths
How many 3 digit numbers can be formed from the integers1,2,3,4,5 if digits can be repeated?
asked by Tangcy 
life orientation
identify one enviromental or human factor that causes ill health, accident crises, and disaster within your community
asked by gift 
Grammar
For each of the following sentences, choose the correct pronoun from the pair given in parentheses. 1. We are going to play stickball in the street. (Who, Whom) would you like to play first base? 2. The best pitcher would be (who, whom)? 3. (Who, Whom)
asked by Anonymous 
Math
DVD player 17 inches wide, protected by 3/4 inch of foam, placed in a carton that is 1/8 of an inch, how wide is the carton?
asked by Pinky 
US History
Why did President Reagan aim to reduce government regulations?
asked by Heaven 
calculus
Given ensuing information, determine the least cost and the least cost mix of on and offshore pipe. The intake facility is in the water 2 miles vertically north of the shoreline The water filtration plant is on land 1 mile vertically south of the
asked by James 
maths
The magnitude of an earthquake with intensity I is measured using a seismograph. The intensity I is converted into the Richter scale number using the following formula R=log10I. An earthquake in Town A was measured 3 on the Richter scale, while the
asked by hemant 
math
Let AB be the diameter of circle Γ1. In the interior of Γ1, there are circles Γ2 and Γ3 that are tangent to Γ1 at A and B, respectively. Γ2 and Γ3 are also externally tangent at the point C. This tangent line (at C) cuts Γ1 at P and Q, with PQ=20.
asked by hemant 
Physics sorry for reposting but I really need help
An example of the neutron absorption reaction is . 1 0 n+10 5 B>7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^27 kg. calculate Q Q= in MeV I have the same
asked by Amy 
maths
Proof this identities. (a) sin x cot x = cos x
asked by Shane 
maths
The squares of a 3×3 board are randomly coloured black or white. Let W be the number of white squares and B the number of black squares. The expected value of B−W can be expressed as ab where a and b are coprime positive integers. What is the value of
asked by su 
Soc Stu 9
A union is a group of worker who band together to have a better chance to obtain higher pay and better working conditions. Using this definition of a union, what are some examples of the first Unions formed? I search all over the internet, and it's not in
asked by Bridgett 
calc
Integrate 1/(ln(x)); f(e^e)=1 please provide step! confused because of f(e^e)!
asked by Sunny 
maths
ABCD is a rectangle with AB=26, BC=11. X, Y and Z are points on AB, BC and CD, respectively, such that AX=BY=CZ=6. What is the area of triangle XYZ?
asked by hemant 
mathsurgently needed
When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.
asked by anoynomous 
trigonometry!!! please help me guys!!!
For a parameter a, suppose u is the smallest positive real number such that 100cos^2u−100sin^2u=a+25 and v is the largest negative real number such that 25√3sinv−75cosv=a. For how many integer values of a is u+v nonnegative?
asked by roronoa zoro 
maths
Solve this equation. 3^2x  3^x+2 = 3^x  9
asked by Shane 
maths
Solve this logarithmic equation. 3 log 2 base x + log 18 base x = 2
asked by Shane 
maths
Solve this logarithmic equation. 3 log 2 base x + log 18 base x = 2
asked by Shane 
maths
solve this equation. log (2x + 1) base 2 = 3
asked by Shane 
probability
According to genetic theory, plants of a particular species have a 25% chance of being redflowering, independently of other plants. Find the normal approximation to the chance that among 10,000 plants of this species, more than 2400 are redflowering.
asked by Anonymous 
calculus
Hi i have two questions: what is the exact value of cos 5(pie)/12? what is the exact value of cos2(pie)/9 cos(pie)/18 + sin2(pie)/9 sin(pie)/18? thank you
asked by Maria 
chemistry
11.During an acidbase titration, 25 mL of NaOH 0.2 M were required to neutralize 20 mL of HCl. Calculate the pH of the solution for each of the following: 12.Before the titration. 13.After adding 24.9 mL of NaOH. 14.At the equivalence point. 15.After
asked by Tina 
Math
This is gr 12 calculus btw I need helping in filling in the blanks/ the angle formed at the centre of the circle by two radii is the _______ angle. cos delta, sin delta, tan delta are known as the ___________trigonometric ration cos (pie/2  x)=sinx is
asked by Thomas 
statistics
According to CreditReport, the mean credit score in Georgia for 2007 was 668. Suppose that a hypothesis test is conducted to determine whether the mean credit score in Georgia has decreased since that time. Describe what a Type I error would mean in the
asked by ali awan 
Math
9. 5/6 divided by 1/3 11. 1/2 divided by 3/5= 5/6 13. 7/12 divided by 5/6=42/60=11/15
asked by Jerald 
statistics
2. We would like to test whether the population mean is less than 40. Suppose that a hypothesis test is conducted to determine if the mean of the population has decreased or not. Describe what a Type II error would mean for this example. A) Reject H0 when
asked by ali awan 
life orientation
3 environmental health hazards that cause ill health , crises and or disasters within your community or elsewhere in south Africa and globally
asked by Anonymous 
WorldHistory
Human Origins Essay Significant consequences of the Agricultural Revolution; There are multiple consequences from the Neolithic Agricultural Revolution. It created a drastic increase in population, it was the beginning of domesticating animals, and new
asked by (; 
math
A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leaves the same port at 1:00 PM and sails North at a speed of 20 miles/hour. At what time are the two ships going to be 50 miles apart from each other? (Hint:
asked by Anonymous 
statistics
The National Coalition on Healthcare suggests that the mean annual premium that a health insurer charges an employer for a health plan covering a family of four averaged $12700 in 2008. A sample of 30 families of four yield a mean annual premium paid by
asked by ali awan 
C/J
The role of the defense attorney is to: A. decide the innocence of the accused. B. get his or her client off by whatever means. C. give the client every resource available to defend himself or herself within the limits of ethics and law. D. act as a legal
asked by Emily 
math
A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leaves the same port at 1:00 PM and sails North at a speed of 20 miles/hour. At what time are the two ships going to be 50 miles apart from each other? (Hint:
asked by Anonymous 
statistics
4. The Pew Research Center reported that 57% of Americans favored the Wall Street bailout of 2008. A random sample of 300 people showed that 155 people favored the bailout. If appropriate, test whether the population proportion of Americans is different
asked by ali awan 
math
A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leaves the same port at 1:00 PM and sails North at a speed of 20 miles/hour. At what time are the two ships going to be 50 miles apart from each other? (Hint:
asked by Anonymous