Questions Asked on
April 21, 2014

statistics
A simple random sample of 40 items resulted in a sample mean of 25. The population standard deviation is 5. a. What is the standard error of the mean (to 2 decimals)? b. At 95% confidence, what is the margin of error (to 2 decimals)?
asked by Vanessa 
Chemistry
Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as antiknocking agents. A 3.279 g sample of one such additive containing only lead, carbon, and hydrogen was burned in an oxygen rich environment. The products
asked by Annabelle 
Computer Literacy
1. Which vendor did IBM select to create the operating system for the IBM PC? (A) Microsoft Macintosh DEC Dell 2. Which of the following components was a significant development featured in the Macintosh LISA computer? (A) C Prompt Disk Operating System
asked by Mariah 
maths
laura rode her bike for 3/5/8 hours on Saturday and for 4/1/4 hours on sunday which is the best estimate of the time laura spent riding her bike on Saturday and sunday
asked by pinks 
Precalculus
The quarterback of a football team releases a pass at a height of 7 feet above the playing field, and the football is caught at a height of 4 feet, 30 yards directly downfield. The pass is released at an angle of 35 degrees with the horizontal. The
asked by Brittany 
Physics
A playful college student tosses a water balloon out of his dorm window at a speed of 6.2 m/s at an angle of 10° above the horizontal. The dorm window is 11 m above ground level. 1)What is the maximum height above the ground of the balloon? 2) At what
asked by Corey Brown 
math (check answer plz)
Carol has a collection of 100 stamps the graph below shows the percentage of stamps she has from each country how many more of Carols stamps are from france than from england? France: 24%, England:22%, Norway:29%, Italy:25%.
asked by person 
math
Mike and Teresa Garza have a monthly gross income of $5,000, but they pay $1,000 per month in taxes. They also pay $2,000 per month in various loan payments. What is their debt service ratio?
asked by tota 
Math
A basket contains the following pieces of fruit: 3 apples 2 oranges, 2 bannans, 2 pears, and 5 peaches. Jonas picks a fruit at random and does not replace it. Then beth picks a fruit at random. What is the probability that jonas gets a peach and beth gets
asked by Alexander 
Math ~ Check Answers ~
1. There are 35 marbles in a bag: 9 blue marbles, 8 green marbles, 4 red marbles, 8 white marbles, and 6 yellow marbles. Find P (red). Write the probability as a fraction in simplest form, a decimal, and a percent. a.) 4/31, 0.129, 12.9% b.) 4/35, 0.114,
asked by Chloé 
Physics
A pilot is flying from City A to City B which is 300 km [NW]. If the plane will encounter a constant wind of 80 km/h from the north and the schedule insists that he complete his trip in 0.75 h, what air speed and heading should the plane have?
asked by Corey Brown 
geography
what is the value of igneous rocks to humankind?
asked by justin 
Physics waves check answers please
I am not too sure if my answers are correct. Here are the questions: 1. A student standing near a brick wall claps her hands and hears the echo 0.250 s later. If the speed of sound was 340.0 m/s, how far from the wall was she? For this question I got 85 m.
asked by Liz 
Physics waves help please
1. A person is listening to a new instrument capable of sounds ranging from 10 dB to 150 dB and with frequencies from 12 Hz to 30,000 Hz. Comment on the suitability of this instrument for the musician or audience. 2. A guitar emits a 440 Hz tone. How far
asked by Liz 
Chemistry
Hydrogen peroxide(H2O2) slowly decomposes to form water and oxygen gas. Calculate the mass of Hydrogen peroxide needed to obtain 0.460L of oxygen gas at STP
asked by Madison 
physics
What is the change in internal energy of a system that takes in 2.40 ✕ 106 J of heat, and does 4.50 ✕ 105 J of work while dissipating 9.00 ✕ 106 J of heat?
asked by bails 
Inverse Trig
What is the general solution to y = arcsin 1?
asked by Annabelle 
statistics
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler
asked by Vanessa 
math
Theresa invested $5,000 in an account she expects will earn 7% annually. Approximately how many years will it take for the account to double in value?
asked by tota 
Inverse Trig
What is the general solution to y = arcsin 0?
asked by Annabelle 
BIOLOGY
undigested food enters the intestine called the ? chyme is this answers right ? PLEASE HELP ME
asked by EMMA 
English
Indicate where each aspect of an index card should be placed when researching. Match the letter that corresponds to one of the items below to the correct location (1, 2, 3, 4, or 5) on an index card A.) Page number B.) Title of card (aspect of subject) C.)
asked by Cassie 
Inverse Trig
How do I simplify arcsin (sin 6 pi) given the interval 0 ≤ theta < 2pi
asked by Annabelle 
social studies
1. What was the Supreme Court's ruling on the Dred Scott case? (1 point)D red Scott should be considered free since he had lived in many states where slavery was banned. Dred Scott could be free if he paid a fee. Dred Scott was still a slave and not a
asked by TTR+S<3 
finance
On an income statement covering January 1 to June 30, _________ would not be included as income
asked by tota 
statistics
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.) b. To the left of 1.337. (Use 2 decimals.) c. To the left of 1.746. (Use 2 decimals.) d. To the right of 2.583.
asked by Vanessa 
Physics waves check answers please
1. In a standing wave, the medium at the tip of a loop is a) showing destructive interference b) not moving c) at the original amplitude of the wave d) showing constructive interference my answer: b 2. If a motorcycle is travelling toward an observer the
asked by Liz 
math
point p and q are respectively 24m north and 7m east of point r.what is the bearing of q and p to the nearest whole number
asked by smile 
Physics waves check answers please
1. In a standing wave, the medium at the tip of a loop is a) showing destructive interference b) not moving c) at the original amplitude of the wave d) showing constructive interference my answer: b 2. If a motorcycle is travelling toward an observer the
asked by Liz 
Science
How many cell divisions would it take to produce at least 1,000 cells from one cell? (When one cell splits in half during cell division, the result is two new cells. Each of those cells can divide into two more and so on.) Answer (256?)
asked by Anonymous 
Stats
the typical saturday the oil change facility will perform 40 oil changes between 10 am and 12pm. treating this as a random sample, what mean oil change time would there be a 10% chance of being at or below? There is a 10% chance of being at or below a mean
asked by Sandra 
geometry
Given points J (1,4), A (3,5), and R(2,1), graph JAR and its reflection image across each line `1) the xaxis 2) the yaxis 3) y = 2 I need help finding what to graph!
asked by Clea 
Evolution question part 2  help!! THANK YOU!
Narwhals are aquatic mammals known for the giant tusk that protrudes from their upper lip. These mammals live in artic waters and can spend more than three hours at a time underwater at great depths that would crush other animals. The narwhal's ability to
asked by Sdog 
Physics
A small plane can travel at 200 km/h in still air. If a 50.0 km/h wind is coming from the east, determine the ground velocity of the plane if the pilot keeps the plane pointed [N].
asked by Corey Brown 
statistics
If an instrument requires some professional judgments in scoring, then the manual should also include information on a. Interrater RELIABILITY b. Corrections of the reliability coefficients using the SpearmanBrown formula c, Both KR 20s and KR 21s d. Test
asked by Natalie 
Physics
An airplane needs to drop a package at a specified drop site. The airplane cruises 5.00 x 10^3 meters above the ground at 350.0 km/hr. Assuming that there is no wind blowing and that the plane is flying in a direction that will take it exactly over the
asked by TLP 
English Help Please!!! Check!!
Memo Edit Today, Rite Properties needs to send a memo to the residents of The Plaza, an apartment complex they own. Review the memo thoroughly, then edit it for writing style (cohesion, concision, clarity, diction, and variety) AND professional tone and
asked by Anonymous 
physics
Two speakers are both emitting sounds, the first with an intensity level of 1 x 10^{11} \frac{W}{m^2} and the second with an intensity of 1 x 10^{8} \frac{W}{m^2}. What is the db level of the first? \beta = What is the difference in the decibel (db)
asked by Anonymous 
PHYSICS
A point source of a wave emits 195 watts. What is the intensity at a distance of 4.56 meters? I =
asked by joe 
physics
Two speakers emit sounds, the one with an intensity of 3.19 x 10^{7} \frac{W}{m^2} and the other 8.64 x 10^{8} \frac{W}{m^2}. What is the difference in their intensity level? \Delta \beta =
asked by Anonymous 
Probability
The random variables X1,..,Xn are independent Poisson random variables with a common parameter Lambda . Find the maximum likelihood estimate of Lambda based on observed values x1,...,xn.
asked by qwerty 
Pre Chem
A gas occupies a volume of exactly 500 mL at STP. What volume would it occupy at exactly 70°C and 400 mm of pressure?
asked by Anonymous 
Ethics in Criminal Justice
Which of the following might help us develop openmindedness and the virtue of tolerance? A. Recognizing that people have free will. B. Recognizing that moral norms can and often do vary by time and place. C. Developing our own sense of egoism. D. All of
asked by Erica 
Science
Plant Cell Analogy Cell Membrane: Security Nucleus: Boss Mitochondria: Food court Cytoplasm: Chromosomes: Vacuole: Water Ribosomes: Food Cell wall: Endoplasmic Reticulum: Chloroplasts: Golgi Appartuas: Packer What could the others be?
asked by Anonymous 
chemistry
I want to know if someone could let me know if I have written my balanced equations correct for the following questions. Write a balanced equation for the reaction of zinc with sulfuric acid. Zn + H2SO4 >>> Zn(S04) +H2 Write a balanced equation for the
asked by jazz 
parallel structures
how can i correct this sentece to parallel structute? When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects.
asked by liza 
calculus help
Suppose that f'(x)= (2x^25x12)/(3x^27x+2) and that f(x) is continuous for all real numbers x. a) Do a sign diagram to list the values of x where f(x) has local maximums and local minimums. In addition, list the intervals where f(x) is increasing and
asked by Anonymous 
Algebra
Ramona divided his 35,000 inheritance between two investments, one paying 9% and the other 12% simple interest. is total annual income on the interest alone was 3,000. How much did he invest at 9%?
asked by Alicia 
social studies 1 question!??
10. ". . . I need not tell the brave survivors of so many hardfought battles, who have remained steadfast to the last, that I have consented to the result from no distrust of them. But, feeling that valor and devotion could accomplish nothing that could
asked by TTR+S<3 
introduction to programming
Write a program to find the sum of the series: 1/12+1/22+1/32+…..1/n2.
asked by jamshaid 
Calc
A particle is moving along the curve y= 4 sqrt{2 x + 2}. As the particle passes through the point (1, 8), its xcoordinate increases at a rate of 5 units per second. Find the rate of change of the distance from the particle to the origin at this instant.
asked by Lucy 
statistics
The average cost per night of a hotel room in New York City is $273 (SmartMoney, March 2009). Assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is $65. a. With 95% confidence, what is the margin of error (to 2
asked by Vanessa 
statistics
How large a sample should be selected to provide a 95% confidence interval with a margin of error of 10 (to the nearest whole number)? Assume that the population standard deviation is 40.
asked by Vanessa 
Evolution question  HELP!
Niles Eldredge found evidence in trilobite fossils of a pattern of evolution in which short periods of large change are mixed in with longer periods of little or no change. This pattern is called_____??
asked by Sdog 
physics
In the Millikan experiemnt, what error might result if only a few oil drops were used, or if all the oil drops contained an even number of charges.
asked by Tristan 
physics
A spring has a length of 0.248 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 2.42 kg mass hangs from it. (a) What is the force constant of the spring? (b) What is the unloaded length of the spring?
asked by bails 
Math
Which situation could you graph without connecting the points? the height of a hotair balloon as it climbs the amount of electricity used by a refrigerator over time
asked by Anonymous 
math
Mark and Juanita want to tile their kitchen floor. If the kitchen floor is shaped like a rectangle and measures 11 feet × 14 feet, how many square tiles will they need to cover the floor is each square tile measures 4 inches × 4 inches?
asked by anonymus 
algebra
What is 84 feet per hour converted into inches per minute?
asked by kidshelp 
math
the first three terms of a GP are the first, fourth and tenth terms of an AP. given that the first term is 6 and that all the terms of a GP are different, find the common ratio.
asked by Robert 
Computer Literacy
2. Which of the following components was a significant development featured in the Macintosh LISA computer? (C) C Prompt Disk Operating System Graphical User Interface) Memory 4. Which is NOT a function associated with a motherboard? (D) Expansion slot
asked by Mariah 
Math
What is the order of the set a={1,20,3,17,5}
asked by Tony 
Ethics in Criminal Justice
Which of the following might help us develop openmindedness and the virtue of tolerance? A. Recognizing that people have free will. B. Recognizing that moral norms can and often do vary by time and place. C. Developing our own sense of egoism. D. All of
asked by Erica 
Precalculus
Find the exact value of: Cos(inverse tan 4/3 + inverse cos 5/13)
asked by Thomas 
Radioactivity
A bone fragment has lost 75% of its original carbon14. What is the age of the bone fragment? My answer is about 11 000 years but I don't know if its right
asked by Aditya 
physics
A piece of iron block moves across a rough horizontal surface before coming to rest. The mass of the block is 1.8 kg, and its initial speed is 3.8 m/s. How much does the block's temperature increase, if it absorbs 69% of its initial kinetic energy as
asked by logan 
Math
Identify the solution of the system of equations 9x+2y=8 8x2y=8
asked by Felicia Chase 
probability
Find the probability of seeing at most 5 dots, but also an odd number of dots when 2 fair dice are rolled.
asked by heny 
physics
A 0.250kg aluminum bowl holding 0.800 kg of soup at 27.0°C is placed in a freezer. What is the final temperature if 430 kJ of energy is transferred from the bowl and soup? Assume the soup has the same thermal properties as that of water, the specific
asked by logan 
math
Mark and Juanita want to tile their kitchen floor. If the kitchen floor is shaped like a rectangle and measures 11 feet × 14 feet, how many square tiles will they need to cover the floor is each square tile measures 4 inches × 4 inches?
asked by anonymus 
english
EXPLAIN WHAT YOU WANT TO BE WHEN YOU GROW UP ? THEN WRITE A LOVE SONG ABOUT SOMEONE YOU HAVE A CRUSH ON PLEASE HELP ME I DO NOT UNDERSTAND THIS I DO NOT KNOW WHAT DO TO NOW
asked by EMMA 
math
If a person standing 5 feet tall casts a shadow 12 feet long, then how long is a tree's shadow if a tree stands 17.5 feet tall?
asked by anonymus 
physics
A bullet of mass 100g is fired at avelocity 100m/s into a wooden block of mass 900g.If the bullet gets embeded into the block,then what would be the velocity of the system?
asked by meenu 
math
What is the 40th digit in the pattern 0.142857?
asked by anonymus 
English
Why traditional african marriage is an advantage for men only not, women
asked by Samuel 
Math
What does "Larger number exceeds three times the smaller number by four" mean?
asked by Mathew 
Economics
1) Please provide an explanation on the saying, "Households are demanders but they are also suppliers.” 2)What factors affect an individual’s standard of living?
asked by Anson 
Social Studies (History)
Why did Germany, Japan, Italy, and Soviet Union all move to dictatorship?
asked by Natalie 
Calc
When a certain type of ball falls froma height of h onto a hard level surface, it bounce straight back up to a height of kh, where k is constant with 0
asked by Stuck in Math 
Math
The minute hand of a clock is 6 inches long and moves from 3 o clock to 5 o clock. how far does the tip of the minute hand move. Express your answer round to two decimal places. Can you solve this?
asked by Deborah 
physics
A sound wave has a frequency of 1640 Hz. The air temperature is 46 degress F. What is the speed? v = What is the wavelenght of the sound? lambda =
asked by sean 
Inverse Trig
Using pi/2 ≤ y ≤ pi/2, what are the following solutions? y=arcsin root3/2 y=arcsin 1/2
asked by Annabelle 
GEOGRAPHY 9
6) This was issued in 1635, forbidding anyone to leave or enter Japan. a. Tang Shogunate b. Edit of Milan c. Edit of Nantes d. Edit of Japan my answer  d am I correct?
asked by Gen 
Social Studies (History)
What were three effects of World War 2
asked by Natalie 
physics
Use the diagram below. Click to view larger size. Taking right to be positive, the speaker is moving at a velocity of 27 \frac{m}{s} while emitting a sound of frequency 1094 Hz. If the temperature of the air is ^oF, what will be the frequency that you
asked by Anonymous 
physics
A stationary speaker is emitting a sound of frequency 1330 Hz. The air has a temperature of ^oF. Taking right to be positive, a person is moving toward the source (to the left) at 8.2 \frac{m}{s}. The person will hear a frequency of ... f =
asked by pamela 
Math
The quarterback of a football team releases a pass at a heights of 7 feet above the playing field, and the football is caught at a height of 4 feet, 30 yards directly downfield. The pass is released at an angle of 35 degrees with the horizontal. The
asked by Brittany 
physics
A vibrating stretched string has length 139 cm, mass 38 grams and is under a tension of 38 newtons. What is the frequency of its 5th overtone? f_{6} = If the source of the wave is an open organ pipe of the same length as the wire and the temperature of the
asked by pauletta 
Probability
Let Sn be the number of successes in n independent Bernoulli trials, where the probability of success for each trial is 1/2 . Provide a numerical value, to a precision of 3 decimal places, for each of the following limits. 1. lim P (n/2  20 < Sn < n/2 +
asked by qwerty 
Physics
A police car stopped at a set of lights has a speeder pass it at 100 km/h. If the police car can accelerate at 3.6 m/s2, a) how long does it take to catch the speeder? b) how far would the police car have to go before it catches the speeder? c) what would
asked by Alex 
Economics
1) Please provide an explanation on the saying, "Households are demanders but they are also suppliers.” 2)What factors affect an individual’s standard of living?
asked by Anson 
math
the equation is y=2exponent(x)+2 determine the input value if y=34
asked by lola 
Algebra help PLEASE?
14, 8, 16, 32... Arithmatic. 64, 128, 256 geometric, 64, 128, 256 geometric, 48, 64, 80*** the sequence is neither geometric nor arithmatic 81, 27, 9, 3.. aruthmatic , 0,3,6 geometric, 0,3,6 geometric, 1, 1/3, 1/9
asked by Aniston 
Physics waves check answer please
I would like to know if my answer is correct. Thanks in advanced! A person with their head sideways in the water sees a beaver slap its tail on the lake surface 1.2 km away. What is the time difference between the sound heard in the ear listening in the
asked by Liz 
physics
a steel aircraft carrier is 370 meter long when moving through the icy north atlantic at a temperature of 2.0 degrees celsius. by how much the carrier lengthen when it is travelling in the warm mediterranean sea at a temperature of 21 degrees celsius?
asked by sayla 
math
What is the mean of the following set? 134, 298, 328, 95, 119
asked by elizabeth 
maths
displacement (s) of a spring is given as s=ae^(kt)sin2pi*f*t where t is time. determine velocity and acceleration affter 2seconds if: a=3, k=0.75 and f=20. i think im supposed to integrate but cant think how to do this one.
asked by frederiser 
Social Studies (History)
How can Fred Korematsu be compared to Homer Plessy?
asked by Natalie 
math
input:0;1;2;3 outpu2:4;2;0;2 wht is the formula#stressed:
asked by lola 
English
Tom's school will have a parade for its anniversary celebration.  Is this sentence grammatical? Thank you.
asked by rfvv 
Probability
For any given flight, an airline tries to sell as many tickets as possible. Suppose that on average, 10% of ticket holders fail to show up, all independent of one another. Knowing this, an airline will sell more tickets than there are seats available
asked by qwerty 
math
maths (integ) voltage v=25sin50πt is applied on a circuit. using integration, find mean and RMS over range t=0 to 10ms . i got it to 25/2πt^2 cos(2π/9)+c but im not sure that im going the righ way.
asked by not a lemon 
Probability
Let X be a continuous random variable. We know that it takes values between 0 and 3 , but we do not know its distribution or its mean and variance. We are interested in estimating the mean of X, which we denote by h . We will use as a conservative value
asked by qwerty 
trigonometry
3 sin theta = 1.5 when 0 is less than or equal to theta is less than or equal to 4 radians
asked by Anonymous 
Math question
Identify the sequence as arithmetic. geometric, or neither.. explain your answer 1.6, 0.8, 0.4, 0.2
asked by Blake Seaborn 
Math
The population of some countries has a relative growth rate of 2.75% per year. At this rate, how many years (to the nearest tenth of a year) will it take the population to double?
asked by Anonymous 
Math
You want to purchase an automobile for $21,600. The dealer offers you 0% financing for 48 months or a $3,000 rebate. You can obtain 4.8% financing for 48 months at the local bank. Which option should you choose and why? (you would use the banks option to
asked by Anonymous 
alg.
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola with the given equation. y = 8x2 + 48x − 3 vertex (x, y) = _____________ axis of symmetry _____________
asked by KMILLhelp 
GRAPHING HELP
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola given by the equation. x = − 1/3^2+4 vertex (x, y) = axis of symmetry Sketch the graph.
asked by KMILLhelp 
algebra
Find the equation of the circle for which a diameter has endpoints P1(1, 4) and P2(5, 2).
asked by KMILLhelp 
HISTORY
With respect to Australia's aboriginal peoples, animistic religious beliefs are characterized by _______ worship.
asked by Anonymous 
Math
Starting on her 21st birthday and continuing on every birthday up to and including her 65th, Jessie deposits $2,000 a year into an IRA. How much (to the nearest tenth) will be in the account on Jessie's 65th birthday if the account earns: A. 7% compounded
asked by Anonymous 
Calculus
Evaluate limit as x approaches 0 of: csc^2(7x)tan(2x^2)
asked by Tim 
Chemistry
If a balloon filled with carbon dioxide has occupies a volume of 31 L at STP, what is the mass of the gas?
asked by Madison 
Calculus
Determine the behavior of limits A. Limit as x approaches 1 of: (log x)/((x1)^2) B. Limit as x approaches infinity of: ((x1)^2)/(log x))
asked by Tim 
To Drbob222
I don't get how to get N, please show me cause I don't understand
asked by Jannet 
Math
A person wants to establish an annuity for retirement purposes. He wants to make quarterly deposits for 20 years so that he can then make quarterly withdrawals of $5,000 for 10 years. The annuity earns 7.32% interest compounded quarterly. A. How much will
asked by Anonymous 
Math
In a sliding scale of 1 ticket cost $1.00 and 6 tickets cost $5.00 and 20 tickets cost $10.00, how many tickets should you get for $100.00?
asked by Mary 
music
Smooth, stepwise movement within a melodic phrase, subphrase, or statement is known as _______ motion
asked by magenamanda 
physics(please help! please)
*please help ily*. a fishing pole, 2m long, is pivoted at 50cm from one end. the other end has a line with a 4 kg fish on it. what is the effort force required to land the fish?
asked by please help 
Chemistry
using a coffee calorimeter, it is found that when an ice cube weighing 24.6g melts, it absorbs 8.19kJ of heat. calculate delta H for the phase change represented by the thermochemical equation: H2O(s) >H2O(l)
asked by Kera 
College Algebra
Find an exponential growth model n(t) = Cat for the population t years since the bullfrogs were put into the pond with coordinates (0,148) (2,333)
asked by Cameron 
accounting
Cartwright inc has $1,000,000 of 10% bonds outstanding on December 31, 20x8. On January 1, 20x9 adams corp and 80% owned subsidiary of Cartright, inc purchases a $250,000 part of cartwrights inc's outstanding bonds in the market for $245,000. Interest
asked by belinda 
ALG.
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola given by the equation. x = − 13y^2 + 4 vertex (x, y) = axis of symmetry ____ Sketch the graph
asked by KELLYM 
physics
he sun radiates like a perfect blackbody with an emissivity of exactly 1. (a) Calculate the surface temperature of the sun, given it is a sphere with a 7.00 ✕ 108 m radius that radiates 3.80 ✕ 1026 W into 3 K space. K (b) How much power does the sun
asked by epi 
Romeo and JulietPlease, help me!
Shakespeare also deviates from Aristotle's idea about the hero's recognition of the whole tragic situation. In Romeo and Juliet, it is not the hero Romeo who experiences recognition, both other characters in the play. Who are they and when does the
asked by Victoria 
English
What kind of dash/hyphen am I supposed to use in a title like this? Hammurabi  a Person of One of the World's Oldest Civilizations
asked by Anonymous 
math
3/10 of the land is forest and wood what is the percent?
asked by me 
Calculus
Limit as x approaches 0 of x(1cosx)/tsinx. Confused on how to get this answer.
asked by Tim 
Calculus
Limit as x approaches (pi/2)^ of (xpi/2)*secx
asked by T.J 
Calculus
What is limit as x approaches 0 of x*(2^x)/((2^x)1))
asked by T.J 
4th grade math
unleaded regular  $1.89 per gallon unleaded premium  $1.94 pr gallon diesel  $2.10 per gallon Micah nows that their flower shop's delivery van uses 50 gallon of diesel a week. she estimates to the nearest dollor that they spend $600.00 on diesel each
asked by mythreyee 
Criminal Justice  Ethics
When we claim that certain moral values or principles (e.g., do not steal) apply or should apply to all people, everywhere, we are saying that some values or principles are: A. descriptive B. relative C. universal D. pragmatic I think it's C Which of the
asked by Pat 
statistics
The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (The Wall Street Journal, March 5, 2008). The average cost per person for crashes in the Tampa, Florida, area was reported to be $1599. Suppose this
asked by Vanessa 
physics
A body of mass m is suspended by two strings (right strings equals an angle a with horizontal and left an angle B with vertical. Dra the figure.
asked by rupesh 
chemistry
If a patient.is asministered 255ml of iv sokution how many moles of K+ do the receive
asked by josb 
4th grade math
Bart rates to and from San Francisco international Airport from the Embarcadero hotel  $5.15 from Daly city  $4.50 from oakland airport  $5.80 from San leandro  $6.05 from richmond  $6.15 The price of BART tickets is based on the distance traveled.
asked by mythreyee 
statistics
Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. What
asked by Vanessa 
calc
The altitude of a triangle is increasing at a rate of 1.000 centimeters/minute while the area of the triangle is increasing at a rate of 3.000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 11.500
asked by Lauren 
Math
A tree is 18 feet tall and casts a shadow that is 22 feet long. How fat is it from the end of the shadow to the top of the tree
asked by Tristan 
social studies (check answers)
1.B 2.D 3.B 4.C 5.D 11.What contribution did Simón Bolivar and José de San Martín make to the history of the region? A. They served as prominent criollo leaders. B. They led the revolutions for independence. C. They instituted the first republican
asked by matt 
chemistry
How much energy is needed to melt 25.4 grams od I2?
asked by jordan 
Math
Rational Equation, how do you work it out I need to check my work. x 1 x —  — = — 2 3 4 I got 4 — 3
asked by Sadie 
mathematics
find the mean and RMS of v=25sin50πt over the range t=0 to t=20ms using integration. i have integrated to: v=cos(50πt)/2π+c but i don't know how to get the mean and rms.
asked by jerome 
science
If and iron block had a lenght of 2 cm, a width of 3 cm, and a height of 1 cm and a mass of 33 g between what two liquids would it float?
asked by Anonymous 
MATH
ABOUT,THE GHANA NATIONAL WEEKLY LOTTO,THE LAST TWO WEEKS RESULTS ARE
asked by FITINI 
math
The rule of 78s requires the larger amount of the interest be paid with the early payments.
asked by blh 
Math
A student purchased a box of green tea mints. The nutrition label on the box stated that a serving of 3 mints contains a total of 10 calories. A) Graph the function C, where C(x) represents the number of calories in x mints. B)Write an equation that
asked by Gabby 
ALG
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola with the given equation. y = 8x^2 + 48x − 3 vertex (x, y) = axis of symmetry ________
asked by KELLY 
calc
If y^3 = 16x^2 Determine dx/dt When x= 4 and dy/dt= 1
asked by Lucy 
ALG. REPOST TYPO
Find the coordinates of the vertex and the equation of the axis of symmetry of the parabola given by the equation. x = −1/3y^2+4 vertex (x, y) = axis of symmetry Sketch the graph.
asked by KELLY 
Language Arts
Which of the following would most likely connect with the speaker of "Growing Pains"? A) a teen whose parents are going through a difficult divorce B) a teen who has let down one of her best friends C) a teen whose mother is often too busy to spend time
asked by Blaire 
Math
What is S[1] for 6 – 24 + 96 – 384 + ...?
asked by 4 
7 th Math
During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula, M = 176 – 0.8A, where M is the maximum heart rate and A is the person’s age. Solve the formula for A. At what age would you have a recommended maximum
asked by Moby 
physics
why salt mixed in water before keeping egg and boil it?
asked by brb 
math
Jose invests $3, 250 at 6% interest compounded annually. What will be the balance in the account after 3.5 years?
asked by Moby 
Math
Kelly borrows $5,200 on 4% interest rate for 6 months. What will that total principal+interest payment be?
asked by INeedHelp 
Law
1. What legislation provides the legal basis for today’s employment practices? A. Affirmative Action B. The Bill of Rights C. The Civil Rights Act D. The Equal Opportunity Act is it C
asked by Amy 
Math
Rational Equation solve: x/2  1/3 = x/4 I got 4/3
asked by Sadie 
math
The box shown does not have a top. What is the surface area of the box if its length measures 12 cm, its width is 9 cm, and it has a height of 15 cm?
asked by anonymus 
math
What number can be expressed as 2cubed × 3 × 5squared?
asked by anonymus 
social st
The need for budget adjustments is indicated when
asked by tota 
math
Based on estimates, the town of wayne has a population of 54,000 people. Wayne has an area of approximately 25 square miles. What is the population density of wayne?
asked by anonymus 
maths
luke rode his bicycle 2/5 of a mile from his house to the library. He then rode 1/2 of a mile from the library to the mall. Sketch a visual model to find the total distance that luke rode
asked by pinks 
URGENT Physics help
Positively charged Object A is brought close to neutral Object B but does not touch it. The two objects begin to attract each other. What is this process called? (Points : 1) grounding charge polarization conduction repulsion 4. How many coulombs could be
asked by Hannah 
history
if a positive factor for harvesting trees is encouraging local industry, a negative could be A. loss of habitat B. mining accidents C. unemployment D. water pollution I think A
asked by Ms.sue HELP PLEASE!!! 
physics
How fast does water flow from a hole at the bottom of a very wide, 7.9m deep storage tank filled with water? Ignore viscosity
asked by bibi fathima 
Math (Number Theory)
the following two lines indicate another way to derive the formula for the sum of the first n integers by rearranging the terms in the sum. Fill in the details. 1+2+3+...+n=(1+n)+(2+(n1))+(3+(n2))+... =(1+n)+(1+n)+(1+n)+...
asked by Tiff 
math
if hallie ran 1.2 miles on the school track and that is 5/8nof the distance of the track how long is the track?
asked by Hallie 
3 physics question please help quick
Two point charges of opposite sign are brought close together. Which statement best describes the field lines of the combined point charges? (Points : 1) The field lines from the positive charge point toward the negative charge. The field lines from the
asked by Sara 
math
Is it reasonable to state that the ratio of 8 male students to 16 female students is the same as the the ratio of 8 male students to 24 students?explain.
asked by me 
Math
Identify the solution of the system of equations 3x4y=2 8y=6x4
asked by Felicia Chase 
maths
howto write a problem that can be solved with the equation 5 divide 3 = x
asked by pinks 
math
mr.musial traveled by car to a destination that is 1150 miles from hishome. it took him 3 days to drive to this destination. if mr.musial traveled the same distance each day, about how many miles did he travel each day? use estimation
asked by Bella 
math
If your _________, your net worth on the balance sheet would have increased from one period to the next
asked by tota 
Physics
The bulk modulus of water is B = 2.2 x 10^9 N/m2. What change in pressure Delta P (in atmospheres) is required to keep water from expanding when it is heated from 12.4 °C to 31.1 °C? I know that the equation for pressure is Delta P = Force / Area but I
asked by Kace 
To Drbob222
Please check my post again
asked by Jannet 
math
If a person standing 5 feet tall casts a shadow 12 feet long, then how long is a tree's shadow if a tree stands 17.5 feet tall?
asked by anonymus 
English
What would be 3 good guide questions for The Bermuda Triangle? 1. Where do people disappear in the triangle? 2. 3.
asked by Anonymous 
statistics
Using the 95% level of confidence, what is the confidence interval for the proportion of households represented at a town meeting
asked by Jay 
Chemistry
Use intermolecular forces to explain why alkanes with 14 C are gases; 516 C are liquids; and greater than 16 C is solid
asked by Maria 
math
What is the 40th digit in the pattern 0.142857?
asked by anonymus 
math
Point R located at (3,4) and the point is trandlated +4 units horizontally. Where will the translated point be located?
asked by anonymus 
math
use inverse operation to solve b16=4
asked by Mia 
math
use inverse operation to solve h/5 = 500
asked by Mia 
math
If 3x + 7 = 34, what is the value of 5x?
asked by anonymus 
social studies
1. The admission of Missouri as a slave state was controversial in the Senate because the Senate was proslavery. it would create sectionalism. it would upset the balance.*** the Senate was antislavery. 2. The main topic of the LincolnDouglas debates was
asked by TTR+S<3 
Physics
An airplane needs to fly due south. The plane can fly at a speed of 720.0 km/hr in still air. If there is a wind blowing to the northeast at 70.0 km/hr, in what direction should the plane fly to maintain its heading of due south? How long will it take to
asked by Tyler 
math
Identify the solution of the system of equations 3x+2y=4 5x4y=3
asked by Felicia Chase 
Physics
A catapult launches its payload at a 50.0degrees angle and the payload leaves the catapult 3.00 meters off the ground. If the payload travels 300.0 meters in the horizontal direction, what was the launch speed? At what speed does the payload hit the
asked by TP 
math
At a local restaurant, you order a cheesburger that costs $3.75, an order of french fries that cost $2.95, and a small drink that costs $1.30. There is 7% sales tax added to the order. What is the total cost of your meal?
asked by anonymus 
social studies (check answers)Mrs.Sue
1.DB 2.DC Economic globalization has had what negative impact on the Andes and the Pampas? A. increase in food production B. diversification of economies C. overfishing and more land clearing D. more job creation Brazil is best known for the A. Andes
asked by matt 
math
If the kitchen floor is shaped like a rectangle and measures 11 feet × 14 feet, how many square tiles will they need to cover the floor if each square tile measures 4 inches × 4 inches?
asked by anonymus 
chemistry
Find the Qsp when 5 mL of 0.17 M K2 CO3 (aq) and 1 L of 0.013 M AgNO3(aq) are mixed together. The solubility product of Ag2CO3 is 6.2 × 10−12
asked by Chemistry 
Math
How many roots does x to the 3rd power 2x to the 2nd power13x10=0 have
asked by Matthew 
Astronomy
Which of the following statements is correct? (check all that apply) If liquid water is not stable on the surface of Mars, liquid CO2 is definitely not stable. If liquid CO2 is not stable on the surface of Mars, liquid water is definitely not stable. If
asked by qwerty 
maths
Ali went to the store to buy vegetables .He bought 16 ounce of potatoes,1.5 pounds of onions, 4 ounce of celery 1 pound of tomatoes ,and 4 ounce of garlic what is the total weight of the vegetables in pounds help me please
asked by pinks 
social studies (check answers)
1.B 2.D 3.B 4.C 5.D 11.What contribution did Simón Bolivar and José de San Martín make to the history of the region? A. They served as prominent criollo leaders. B. They led the revolutions for independence. C. They instituted the first republican
asked by matt 
math
michael purchased a certain number of one stock for a total of $176. the second stock was selling for $5 less per share. michael could have bough 5 more shares of the second stock for the same amount of money. how many shares of the first stock did michael
asked by mary 
Astronomy
Rank the following hypothetical planets  all of which have the same total mass and same radius  from lowest moment of inertia to highest moment of inertia: 1) A uniform sphere of mixed up rock and iron 2) A hollow sphere 3) A rocky planet with an iron
asked by qwerty 
Language Arts
The measure of how much we understood and learned in a college course is referred to as:
asked by Jackie 
Astronomy
Rain was once common on Mars. Probably true Maybe/unclear Probably false
asked by qwerty 
Astronomy
The northern plains of Mars have many characteristics that you would expect from their being an ancient ocean floor. Probably true Maybe Probably false
asked by qwerty 
Astronomy
Sometimes a crater from the Noachian period can be found inside of a crater from the Amazonian period. Probably true Maybe Probably false.
asked by qwerty 
Astronomy
In the past few million years of Mars the main source of climate variation has been the slow escape of the atmosphere. Probably true Maybe Probably false
asked by qwerty 
math
b  16 > 4 true or false
asked by Mia 
6th grade Lang Arts
Can you explain why the comma used in sentence 1 is not correct as compared to the comma used in sentence 2? (from homework) 1. The stadium, that my favorite team plays in, seats over 81,000 people. 2. My father, who is an excellent reader, finished a 500
asked by Alexis 
"Romeo and Juliet" Summary Evaluation (Writeacher)
You probably haven't watch the 2013 version of Romeo and Juliet, but I would like your opinions about the the writing aspect of my summary. "Directed by Carlo Carlei, the latest movie adaptation of Shakespeare's Romeo & Juliet (2013) begins with a scene of
asked by Victoria 
Social Studies
2. Pretend you're a follower of Gandhi is India under British rule. Express your desire for home rule. (Your writing must be two paragraphs.) What could I include?
asked by Anonymous 
Science
Plant Cell Analogy Cell Membrane: Security Nucleus: Boss Mitochondira: Food court Cytoplasm: Chromosomes: Vacuole: Water Ribosomes: Food Cell wall: Endoplasmic Reticulum: Chloroplasts: Golgi Appartuas: Packer What could the others be?
asked by Anonymous 
english
i have an assignment and i have already finished it. which is on writing a film review and there are 5 paragraphs to it so i already wrote the 4 paras but in the last paragraph it says you have to write two sub points and 2 descriptive evidences on how
asked by lisa 
Grammar
Since I am supposed to write in MLA format, must I underline or italicize a movie title as a title for my essay?
asked by Victoria 
social studies (check answers)Mrs.Sue
Im a little rusty on these but please bare with me and check them thanks so much 1.B 2.B 3.C 4.A 5.D Wealth disparity in Brazil results mostly from A. unequal land distribution. B. insufficient arable land. C. lack of oil and mineral resources. D. emphasis
asked by matt 
Moms day question
Hi so this isn't school, but my mom and dad looks at my history, so i cannot Google this question. I am 14, and I need cheap easy mothers day ideas... Thanks, and if y'all don't wanna answer, ya don't have to.
asked by imissbobby♥ 
writers craft
this question is on writing a film review. i have to write a weakness in cinematography/story element from the movie finding forrester?
asked by nisha 
Precalculus
Sin  cos =  radical 2 I don't understand this. It wants you to make the right side equal to zero and solve
asked by Anonymous 
Precalculus
Show: sin(ab) sin(a+b) = sin^2 a  sin^2 b
asked by Nicole 
Biology
undigested food enters the intestine called the ? chyme is this answers right
asked by EMMA 
Chemistry_DRBob222! Thanks
Thank you very much indeed for your attention and regard to my solution. Bye
asked by Ramtin 
Radioactivity or science
A radioactive isotope source has a mass of 120ug. If the isotope had a half life of 20s, what would be the mass if the isotope after 2 mins?
asked by Jannet 
english
What are the characteristics of an effective television newscaster? Explain.
asked by EMMA 
chemistry  (Dr. Bob222)
A student attempted to synthesize malonic acid which has a molecular weight of 104 g/mol by the same method used to synthesize aspirin. A titration was performed to find the equivalent weight. 0.125 g of malonic acid product was used for a titration that
asked by Ana 
ENGish
1. What are the characteristics of an effective television newscaster? Explain. 2. Why are so many people over the age of twentyone entering college? Discuss. 3. What could be done to make the public less hesitant to report crime? 4. Do Americans seem
asked by DYLAN