Questions Asked on
October 28, 2013

Physics
On a cloudless day, the sunlight that reaches the surface of the earth has an intensity of about 1.2 103 W/m2. What is the electromagnetic energy contained in 6.4 m3 of space just above the earth's surface?
asked by Sarah 
Edtech/History question~!
Which of the following statements about the women’s suffrage movement is most accurate? (1point) Women received the vote with little effort or opposition. Suffragists’ main strategy was the use of political cartoons. The women’s suffrage movement
asked by Gabby 
Math
the distance between the center of symmetry of a parallelogram and its longer side is equal to 12 cm. The area of the parallelogram is 720 cm^2, and its perimeter is 140 cm. Determine the length of the longer diagonal of the parallelogram
asked by Xavier 
physics
The following table lists data for the speed and radius of three examples of uniform circular motion. Find the magnitude of the centripetal acceleration for each example.
asked by Anonymous 
Math
At Strawberry State College, the ratio of females to males is 2:1. If there are 2400 students, how many are female and how many are male?
asked by Mary 
Physics
A 20kg child sits on a see saw on the playground, 3.0 m from the pivot. A 2nd child is seated on the other side of the pivot and 2.00 m from the pivot. The mass of the second child needed to lift the first child off the ground is
asked by Mikhail 
Calculus
Find all numbers c that satisfy the conclusion of Rolle's Theorem for the following function. If there are multiple values, separate them with commas; enter N if there are no such values. f(x)= x^210x+3, [0,10]
asked by Nathan 
Statistics
A city ballot includes a local initiative that would legalize gambling. The issue is hotly contested, and two groups decide to conduct polls to predict the outcome. The local newspaper finds that 53% of 1200 randomly selected voters plan to vote "yes,"
asked by Jeffrey 
Chemistry #27
Given that: H2 (g) + F2 (g) > 2HF (g) H(rxn)= 546.6 kJ 2H2 (g) + O2 (g) > 2H2O (l) H (rxn)= 571.6 kJ calculate the value for H(run) for... 2F2(g) + 2H2O (l) > 4HF (g) + O2 (g) _____kJ?
asked by Chelsea 
Operation
Parsa Real Estate is a company that buys and rents real estate. The company is looking into buying an office building for $1M.Thebuilding has 10,000 square feet of rentable office space. The company analysts predict that they can rent the office space for
asked by Nilu 
physics
A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from the window does it land?
asked by k 
English
5. Identify the simple subject in the sentence "There are too many people on this elevator." A. many B. people C. There D. elevator I picked B, because people is the subject and the verb is are. This places the verb before the subject, since the subject of
asked by Cassie 
College Algebra
A bank credit card charges interest at the rate of 23% per year, compounded monthly. If a senior in college charges $1,700 to pay for college expenses, and intends to pay it in one year, what will she have to pay?
asked by Dee 
Statistics
the forms used in your coding area cost $100.00 per 1,000 forms for the first 2,000 and $50 for every 1,000 thereafter. If you need to order 5,000 forms, what is the total cost?
asked by Kitty 
Health (10th Grade)
What is one role fats play in keeping your body healthy? A. maintaining healthy skin and nails B. aiding muscle growth C. removing waste D.lubricating joints I believe it's C, but I'm not quite sure. I'm a cyber school student and I can't seem to find the
asked by Lexie 
Physics Classical Mechanics
The mean distance from the center of the earth to the center of the moon is rem = 3.84 × 108 m. The mass of the earth is me = 5.98 × 1024 kg and the mass of the moon is mm = 7.34 × 1022 kg. The mean radius of the earth is re = 6.37 × 106 m. The mean
asked by Anonymous 
Physics
You place a box weighing 208N on an inclined plane that makes a 40.3 degree angle to the horizontal. Compute the component of the gravitational force acting down the inclined plane. Answer in N
asked by Harmonie Sky 
Statistics
The coding department of a large physician clinic is interested in purchasing a software program that will edit claims before they are sent out to billing. The license fee for the software costs $34,000 per year. The software is expected to reduce the
asked by Joe 
science
OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH
asked by somiah 
AP Chemistry
in a coffeecup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M of HCl are mixed to yield the following reaction: Ag+ (aq) + Cl (aq) >> AgCl (s) the two solutions were initially at 22.60 degree celsius, and the final temperature is 23.40
asked by Kailah 
Algebra 1Urgent! Please, help me!
1. A store manager is accepting applications for parttime workers. He can hire no more than 14 people. So far, he has hired 9 people. Write and solve an inequality to determine how many more people the manager can hire. 2. 4/5h => 2 3. A designer is
asked by Anonymous 
Physics 101
What is the angular momentum of a figure skater spinning at 2.9rev/s with arms in close to her body, assuming her to be a uniform cylinder with a height of 1.5m , a radius of 15cm , and a mass of 59kg ?
asked by mary 
accounting
In addition, assume that AnheuserBusch InBev sold 200 million barrels of beer during the year. Assume that variable costs were 75% of the cost of goods sold and 40% of selling, general and administration expenses. Assume that the remaining costs are
asked by Anonymous 
Physics
A sample of an unknown material appears to weigh 275 N in air and 160 N when immersed in alcohol of specific gravity 0.700. What is the volume of the material? What is the density of the material?
asked by Caitlin 
Health
1) Marcia is learning to perform a back handspring for the first time at her gymnastics class. One beginning principle necessary for a safe and successful performance of this skill is to practice the movement: At full speed immediately to feel how your
asked by Anonymous 
Calculus
List the critical numbers of the following function in increasing order. Enter N in any blank that you don't need to use. f(x) = (6x+6)/(5x^2+5x+5)
asked by Nate 
AP Chemistry
in a coffeecup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M of HCl are mixed to yield the following reaction: Ag+ (aq) + Cl (aq) >> AgCl (s) the two solutions were initially at 22.60 degree celsius, and the final temperature is 23.40
asked by Kailah 
Chemistry #25
Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions (1atm and 25 degrees C) a. coal C(s, graphite) = _____moleMJ b. natural gas,
asked by Chelsea 
English (parts of speech)
1)Few comic strip are really comical 2)Few attended the meeting (Few is: adjective, verb ,adverb, preposition) (the first and the second are different 3)Before the telecast, we were all nervous 4)Before you leave, let me have your address Before is in the
asked by Anonymous 
Beginner Spanish
I need help please Complete the sentences with the correct forms of conseguir, ir, pensar, querer, or suponer. Nosotros _______ de excursión a las montañas, Toño. ¡Yo____ que vas a dormir todo el fin de semana! No, Carmen. No voy a dormir. Voy a ver
asked by Kelly 
Combination math
The camera club has 5 members and the mathematics club has 8. There is only one member common to both clubs. In how many ways could a committee be formed with at least one member from each club?
asked by rinchan 
math
ben has 15 puzzles and 27 cds, when he takes a trip he likes to bring one puzzle and one cd as entertainment. how many trips can he take with a different puzzle and cd pair?? and please show how to solve it.....
asked by jj 
Maths
There was a question: A gallon jug of milk is 3/4 full. After breakfast, you drink 1/12 of the milk. What fraction is the gallon is left? And here was my answer: 1/12 drank > 11/12 left 3/4*11/12=11/16 But I got the question wrong. Did I get it wrong? I
asked by Nana 
Earth and Environmental Science
The solar wind can be thought of as evidence for which theory of light?
asked by Emily 
Algebra 1 (Ms. Sue or Steve or Reiny)
I cannot solve these, no matter how much I have desperately tried. I must complete this quickly! Can anyone assist me, please? 1. A store manager is accepting applications for parttime workers. He can hire no more than 14 people. So far, he has hired 9
asked by Anonymous 
Chemistry
Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be necessary to have it present in a precise stoichiometric ratio? Why or why not? 2. What is the correct stoichiometric ratio between
asked by Anonymous 
Algebra 1
4. Two consultants were hired by a company. The total consultant fees were $18,500. If one consultant had earned $500 less, each consultant would have been paid the same. How much was each consultant paid? 6. Five cars in a race all finished within 8
asked by CJ 
Computer Programming using python
Write a program to calculate the credit card balance after one year if a person only pays the minimum monthly payment required by the credit card company each month. The following variables contain values as described below: balance  the outstanding
asked by Anonymous 
calc
I have everything right but the last question asking how many cases per week The consumer demand equation for tissues is given by q = (97 − p)2, where p is the price per case of tissues and q is the demand in weekly sales. (a) Determine the price
asked by Kyle 
math  Combination
A bridge hand consists of 13 cards. How many bridge hands include 5 cards of one suit, 6 cards of a second suit and 2 cards of a third suit?
asked by rinchan 
english
can someone help take out the fragments Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw
asked by abdul 
Physics Classical Mechanics
A railroad gun of mass M = 2.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 40.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle
asked by Anonymous 
electricity magnetism physics
A proton is release from rest at the origin in a uniform electric field in the positive x direction with magnitude 850N/C. What is the change in electric potential energy when the proton travels to x = 2.50m
asked by wi 
alGEBRA 2 help please would appreciate
graph 36x^2900=25y^2 show the step please
asked by lisa 
math
Fay's rubber ball bounces exactly half the height from which it is dropped. she drops the ball from the top of a building that is 64 meters tall. how high will the ball bounce on its eight bounces? please help me
asked by jasmin 
math
which of the following statements shows the halving and doubling strategy to find 28*50 a. 28*50=14*100 b. 28*50= (14*25)*(14*25) c. 28*50= (20*50)+(8*50) d. 28*50= 2*(14*25)
asked by krahman4 
Chemistry #17
When a 5.00g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of 3.982 kJK, the temperature decreases by .210 K. Calculate the molar heat of solution of KBr. =____kJ/mol
asked by Chelsea 
ENGLISH
What did "catch a cold" mean when Shakespeare first used it?
asked by Lily 
calculus
find 3 positive real numbers whose sum is 500 and whose product is as large as possible.
asked by karl 
English
1. After the rioters in "The Pardoner's Tale" abandon their search for Death, they murder one another. This is an example of: A. dramatic irony B. situational irony C. verbal irony D. poetic irony I said B. 2. "Please don't be offended at my views; They're
asked by Eri Uchi 
Health
3) Becky and Tremaine are finishing up their workout on the treadmill at the local gym. Select the best cooldown sequence for them to use. Strength exercises, static stretching, walking in place Static stretching, walking in place, strength exercises
asked by Anonymous 
math
The velocity(in feet per second) of a bouncing ball was recorded every second. The table shows the velocity for each second. Time(sec):12345 Velocity(ft/sec)15621011 What is the average velocity of the bouncing ball over 5 seconds? What is
asked by KaiCin 
chemistry
How many milliliters of a 0.5 molar HCl solution are needed to react completely with 15 grams of zinc according to the following equation? ? HCl+? Zn→? ZnCl2 +? H2 Answer in units of mL
asked by Anonymous 
Cal II
express integrand as sum of partial fractions and evaluate the integral. My answer is 3 ln x + 2ln(x+2). But the choices are nothing like this. What am i doing wrong??
asked by UGH! 
Math
Value RentaCar rents a luxury car at a daily rate of $37.01 plus 10 cents a mile. A business person is allotted $100 for car rental each day. How many miles can the business person travel on the $100? _______miles
asked by Jackie 
chemistry
titration question: How many moles of HCl must have been present in the 25mL of HCl solution in the 2 trials? Given: Trial 1: V of HCl= 25.00mL, V of NaOH used=29.50mL and M of NaOH=0.18M Trial 2: V of HCl=25.00mL, V of NaOH used=28.50mL and M of
asked by robyn 
Statistics
Which is true about a 99% confidence interval for a population proportion based on a given sample? I. We are 99% confident that the population proportion is in our interval. II. There is a 99% chance that our interval contains the sample proportion. III.
asked by Fred 
chemistry
What volume of 0.714 M K3PO4 is required to react with 27 mL of 0.97 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 → Mg3(PO4)2 + 6 KCl Answer in units of mL
asked by Anonymous 
math
Find the next two numbers in the folowing pattern: 12,500,2500,,500,100 PS:12,500 is pernounced Twelve thousand five hundred. Find the mean of the folowing integers: 5,7,12,10,15. Also:16,27,21,19,14,3 Sorry about the extra work.
asked by KaiCin 
Statistics Math
Pye and Associates recently conducted a survey to determine the percent of adult county residents who believe that students in public high schools should wear uniforms to school. The telephone poll of 325 adults found that 35% of the adults believe that
asked by Michael 
physics
HOW DO I DO THIS PLZ HELP I DON'T NEED U TO SOLVE I JUST NEED TO KNOW HOW Salmon often jump waterfalls to reach their breeding grounds. Starting 2.65 m from a waterfall 0.584 m in height, at what minimum speed must a salmon jumping at an angle of 25.2 ◦
asked by jonathan 
english
I need help writing a narrative essay
asked by twanikia 
Statistics
All the patients who present to the emergency services dept with a suspecetd AMI are expected to receive an ECG within 10 mins of their arrival. Of the 56 patients who had a suspected AMI during the last quarter, 32 had an ECG within the specified time
asked by Anonymous 
Science  Newton
How did Isaac Newton affect the Heliocentric Theory?
asked by Chipe Martinez 
Chemistry
Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be necessary to have it present in a precise stoichiometric ratio? Why or why not? 2. What is the correct stoichiometric ratio between
asked by Anonymous 
chemistry
what is the chemical reaction of camphor and coca cola drink
asked by mary 
Computer Programming using python
Now write a program that calculates the minimum fixed monthly payment needed in order pay off a credit card balance within 12 months. By a fixed monthly payment, we mean a single number which does not change each month, but instead is a constant amount
asked by Anonymous 
Physics Classical Mechanics
A superball of mass m, starting at rest, is dropped from a height hi above the ground and bounces back up to a height of hf. The collision with the ground occurs over a total time tc. You may ignore air resistance. (a) What is the magnitude of the momentum
asked by Anonymous 
Algebra
The formula B=30a is used in New England to estimate the minimum furnace output, B, in BTU's for a modern house with the amount of square feet of flooring, a a. determine the minimum furnace output for a 2000 ft2 modern house b. solve the formula for a
asked by Jackie 
Finance
Atlantic Seafood has determined that $17,000 is the breakeven level of earnings before interest and taxes for the two capital structures it is considering. The one structure consists of all equity with 12,000 shares of stock. The second structure consists
asked by Maureen 
AP Chem
2) For a theoretical yield of 19 g and actual yield of 11 g, calculate the percent yield for a chemical reaction. Answer in units of %. 11 g / 19 g times 100 = 57.89% in your 2 sigfig problem, you might be expected to round off to 58%
asked by Anonymous 
Algebra 1 (Reiny)
1). Describe the solutions of 1/3x => 2 in words. A: The solutions of 1/3x => 2 are all real numbers greater than or equal to 2? 2). Citizens less than 18 years old are not allowed to vote. Define a variable and write an inequality for the ages of citizens
asked by Anonymous 
english
correct these paragraphs Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw meat scraps and
asked by abdul 
Math
Given 1 mile= 1,760 yards convert 6,688 yards to miles. Now convert it to feet. 3.8 miles and 20064 feet.
asked by Jerald 
Science
Which of the following statements best summarizes the Seafood Print research discussed in your text?
asked by Meme 
chemistry
How many milliliters of a 0.5 molar HCl solution are needed to react completely with 15 grams of zinc according to the following equation? ? HCl+? Zn→? ZnCl2 +? H2 Answer in units of mL
asked by Anonymous 
physics
A speed skater goes around a turn that has a radius of 33 m. The skater has a speed of 13 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?
asked by Anonymous 
Chem
A 250.0 mL sample of 0.200 M aqueous aluminum chloride is mixed with 100.0 mL of 0.200 M aqueous sodium hydroxide.
asked by Anonymous 
Chem
A 250.0 mL sample of 0.200 M aqueous aluminum chloride is mixed with 100.0 mL of 0.200 M aqueous sodium hydroxide. I need help calculating the concentration of Na... Check these concentrations: OH= 0M since is the LR Al= 0.124M Na=?? Cl= 0.429M
asked by Anonymous 
calculus
A trough is 6 feet long and has ends that are isosceles triangles that are 1 foot high and 3.5 feet wide. If the trough is being filled at a rate of 9 cubic feet per minute, how fast is the height of the water increaseing when the height is 5 inches?
asked by Matt 
PHYSICS
A proton moves with a velocity of vector v = (6i hat bold  3j hat bold + k hat bold) m/s in a region in which the magnetic field is vector B = (i hat bold + 2j hat bold  3k hat bold) T. What is the magnitude of the magnetic force this charge experiences?
asked by ANITA 
Computer Science
Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation of X and Y is 1 if a < 0. cor(X,Y) = cov(X,V)/ sqrt(var(X)*var(Y))
asked by Jerry 
Physics Classical Mechanics
The figure below shows the experimental setup to study the collision between two carts. In the experiment cart A rolls to the right on the level track, away from the motion sensor at the left end of the track. Cart B is initially at rest. The mass of cart
asked by Anonymous 
Statistics
HIM department at Community Hospital will experience a 15 percent increase in the number of discharges coded per day as the result of opening a cardiac clinic in the facility. The 15 percent incrase is projected to be 100 additional records per day. The
asked by Kitty 
PHYSICS (HELP)
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
7th grade math
Your team dives for 28 lobsters over 7 days. What is the average daliy lobster catch?
asked by KaiCin 
chemistry
calculate the lowest values of the energies of an electron, a neutron and a photon which allows diffraction from the (1,0,1) planes of silicon, using Bragg diffraction. lattice parameter 0.542nm
asked by laura 
vocabulary
The american people must take action right now to deal with the problem of pollution that (looms, seethes) so large on our horizon. Answer: looms I saw whitebearded men rising and shaking their fists at the obdurate Professor. The whole great audieance
asked by cici 
Algebra
a car repair shop charge $80 per hour for labor and $210 for the parts of a car . if the total cost of repair for the car was $490 , how many hours did it take ro repair the car ?
asked by John 
math
a new car is old with or without antilock brakes, with or without a CD player, with or without electric seats, and with or without a sunroof. How many different choices are there?
asked by Anonymous 
Statistics
Please Help I'm desperate! Complete the hypothesis test with alternative hypothesis ìd < 0 based on the paired data that follow and d = M  N. Use á = 0.02. Assume normality. M 48 47 67 79 73 66 N 52 55 68 87 78 70 (a) Find t. (Give your answer correct
asked by Casey 
calculus
A plane that is flying horizontally at an altitude of 6 kilometers and a speed of 570 kilometers per hour passes directly over a radar station. How fast is the distance between the plane and the radar station increasing when the distance between the two is
asked by Matr 
Math
Determining relative value with fraction. 1). 7/18 2). 5/12 3). 2/4
asked by Anonymous 
alGEBRA 2 help please would appreciate
find the foci of 9x^225y^2=225 I get this far a^2=5 and B^2=3 AND I KNOW I HAVE TO USE THE formula c^2=a^2b^2 i don't know what to do now if add it i get c^2=34 please help show the step thanks
asked by lisa 
physics
The pressure in each of your car tires is 2.10 105 Pa. The mass of your car is 1660 kg. Assuming that each of your tires bears onequarter of the total load, what is the contact area of each tire with the road?
asked by dillon 
Physics
A nuclear reactor for producing neutron beams is refuelled with about 10 kg of uranium, which contains initially 90% of the fissile isotope 235U. The reactor operates continuously at a constant thermal power of 57 MW until the quantity of 235U is reduced
asked by Ryan 
English (parts of speech)
1) This isnt Leslie's handwriting 2)This airoplane luggage weighs only ten pounds. Identify (This) in each sentences (Nounspronounconjunctionadjectiveadverb)
asked by Anonymous 
math
the length of a rectangular garden plot is twice the width of the plot.if the fence around the garden is 600 ft long,what is the length of the garden plot?
asked by jess 
Hillary
Using the words ardent, arid, assuaged, menagerie, nostalgia, obliterate put them in right places. Correct me if im wrong on any of this! :) A. The ARID climate in phoenix made it a comfortable area for June to live. The move to Phoenix also ASSUAGED some
asked by Kari 
calculus
A street light is at the top of a 15.000 ft. tall pole. A man 6.300 ft tall walks away from the pole with a speed of 6.000 feet/sec along a straight path. How fast is the tip of his shadow moving when he is 45.000 feet from the pole?
asked by Matt 
Algebra 2
If the point P is on the graph of a function f, find the corresponding point on the graph of a given function. P (0,5) y = f ( x + 2 )  1
asked by Serena 
PHYSICS
A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 eV electron moving along the negative x axis is
asked by ANITA 
math
Find the 7th term of arithmetic progression...12,20,28.
asked by sirvic 
English
One of the Ig Nobel Prizes is the Prize for Bird Science. (What is the meaning of the preposition 'for'? Is 'for' 'concerning' or 'about'?)
asked by rfvv 
English
1. Have you received the prizes so far? 2. Have you ever received the prizes. (Are both the same in meaning, showing 'experience'?) 3. Have you ever received the prizes so far? (Can we say like this, Sentence 3? Does Sentence 3 have the same meaning as the
asked by rfvv 
Computer Programming using python
You'll notice that in Problem 2, your monthly payment had to be a multiple of $10. Why did we make it that way? You can try running your code locally so that the payment can be any dollar and cent amount (in other words, the monthly payment is a multiple
asked by Anonymous 
Maths
A flat circular disc, of radius R, can be modelled as a thin disc of negligible thickness. It has a surface mass density function given by f(r,φ) = k(1  r2/R2), where k is the surface density at the centre and r is the distance from the centre of the
asked by Matthew 
biology
Imagine that you collected your data above, threw away the gel, and reran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?
asked by HELP PLEASE 
math
jones attained the following scores in three tests 36,75,60. if his average in four tests is 75, find his mark in the fourth test.
asked by kellyann 
Physics Classical Mechanics
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
Physics Classical Mechanics
A spacecraft of mass m1 = 2161 kg with a speed v1i=7.0 ×103 m/s approaches Saturn which is moving in the opposite direction with a speed vs=9.6×103 m/s. After interacting gravitationally with Saturn, the spacecraft swings around Saturn and heads off in
asked by Anonymous 
Math
Convert 500feet/minute to miles/hour. I don't know how to do this
asked by Jerald 
Culture question
whats difference between insider and outsider what makes one insider and outsider?
asked by Mohammad 
Coordinate Geometry: Ms.Sue or someone please help
Hi! Can you please help me with this problem/proof? I'm not sure how to approach it. Thanks! Prove that a line perpendicular to a radius at the point where the radius meets the circle is tangent to the circle. Use coordinate geometry.Hi! Can you please
asked by Anonymous 
descrete and combinational math
How do i write (x+ y /(z^2 + 3) )xy as a polish notation ?
asked by larry 
Psychology
For each of the following research questions, indicate the following: (1) the type of research that would best answer the question, 2) an appropriate sampling method, and 30 the best method of collecting the data. a) How do the minority groups at a certain
asked by Rachelle 
physics(elena)
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
history
Does Cortes' letter point out any possible problems with the use of primary source documents? Based upon the text, what are some examples of possible problems? Which is more reliable, a primary source or a secondary text?
asked by jay 
Math
(1/2)+3/5/[9/10(3/5)] I got 1/15 is this correct? I don't think so please help and explain how you did this :)
asked by Cherie 
Math
Convert 500feet/minute to miles/hour. So I'd divide 500/5280 to get 0.0946
asked by Jerald 
Math
Following the guidelines of the Food and Drug Administration, Davita tries to eat at least 5 servings of fruit each day. For the first six days of one week , she had 5,5,4,4,4, and 5 servings. How many servings of fruit should Davita eat on Saturday to
asked by JayDee 
Statistics Math
The sample proportion is never equal to the population proportion We expect 95% confidence intervals to contain the sample proportion 95% of the time Are the above statements true? I would say yes because the sample proportion is not the same as the
asked by Michael 
english
Find the simple subject and simple predicate in the sentence below: Juan wrote the report, but Jason gave the presentation.
asked by Anonymous 
math
Mary hits 60% of her free throw shots in yesterdays game. If Mary takes 7 free throw shots in yesterdays game, what is: A. The probability she scores 5 of those shots? B. The probability she scores none of the shots? C. Her average number of hits, or shots
asked by Tiff 
Science
a scientist crosses a plant with red flowers and a plant with white flowers. The off spring will most likely have a) red flowers b) white flowers c) pink flowers d) red flowers with white patches
asked by Steve 
English
Which sentence is correct: They are planning a persons' party. or They are planning a people's party. I don't think either sounds correct, but these are the only choices!
asked by Amanda 
Algebra 1 (Ms. Sue or Steve or Reiny)
Solve each inequality. 1). z 6 + 8 > 5 A: No solution? 2). 2x 3
asked by Anonymous 
biology
The primary structure of proteins is often described as "amino acids connected like beads on a string". In this same vein, which of the following images best describes a protein's quaternary structure?
asked by Anonymous 
physics need urgent helpp
i have tried everything, please helpp A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. What force is responsible for the snowmobile’s resulting forward motion? (Hint: Think action–reaction force pairs.) If the force
asked by iyzi 
Algebra 2
These 3 equations all describe the same quadratic function. What are the coordinates of the following points on the graph of the function? From which equation is each point most easily determined? y = (x  5) (x + 1) y = x^2  4x  5 y = (x  2) ^2  9
asked by Joy 
Algebra 2
Make up an equation that satisfies the given conditions: must have xintercepts at (1,0) and (2,0). It must also have a yintercept at (0,4). How do you factor the yintercept?
asked by Joy 
Chemistry  is this correct?
Write the electronic configuration for nickel(#28). I know it is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8 (b) How many electrons are there of highest energy in nickel? Is it 8? (c) how many electrons are there in the outermost energy level(orbit) of nickel? Is
asked by Anonymous 
physics
A satellite has a mass of 6173 kg and is in a circular orbit 4.71 × 105 m above the surface of a planet. The period of the orbit is 1.6 hours. The radius of the planet is 4.31 × 106 m. What would be the true weight of the satellite if it were at rest on
asked by Anonymous 
pol201
The Annapolis Convention was called to address smaller states would get more representation than larger states. the people would select the House of Representatives as a practical expression of democracy. the House would select the Senate and the
asked by layla 
Coordinate Geometry
Hi! Can you please help me with this problem/proof? I'm not sure how to approach it. Thanks! Prove that a line perpendicular to a radius at the point where the radius meets the circle is tangent to the circle. Use coordinate geometry.Hi! Can you please
asked by Anonymous 
statistics
Find the uniform continuous probability for P(X < 27) for U(0, 50). I need the formula to figure out with 4 place decimal place as an answer
asked by angel 
school Physics
A large charge distribution Q exists at the center of a cube. It is surrounded by six smaller charges, q , each facing a direction perpendicular to a face of the cube.What is the electric flux through one of the sides of the cube?
asked by Nisha 
English
Shakespeare invented many familiar words and phrases. Find five examples that Shakespeare invented and that we still use today. Define what they meant in Shakespeare's time and what they mean now. (I tried to look some up but they did not give the
asked by Lily 
Bio/Science PLEASE HELP
If the axomembrane becomes more permeable to potassium ions.. Which onewould be true? A. the inside of the membrane will become more positively charged. B. the membrane will depolarize rapidly. C. it will take a stimulus of larger magnitude to initiate an
asked by Talan 
Biology
Imagine that you collected your data above, threw away the gel, and reran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?
asked by Anonymous 
Chemistry
Having some difficulty with this question. Can anyone help me please? Thank you in advance for your time. 85 microliters of acetophenone (120.15 g/mol, 1.03 g/ml) was reacted with 3.0mL of aq NaOCl (5% available chlorine) to give 72mg of benzoic acid
asked by Michelle 
Math
Given 1 gallon= 3.8 liters and 1 gallon = 4 quarts Convert 2 liters to quarts Do I multiply 3.8 and 4?
asked by Jerald 
Coordinate Geometry: Ms.Sue or someone please help
Hi! Can you please help me with this problem/proof? I'm not sure how to approach it. Thanks! Prove that a line perpendicular to a radius at the point where the radius meets the circle is tangent to the circle. Use coordinate geometry.Hi! Can you please
asked by Anonymous 
brief calculus
I found that c=1 but i can't get the other two questions The velocity of a particle moving in a straight line is given by v(t) = t2 + 7. (a) Find an expression for the position s after a time t . s(t) = _____ + C (b) Given that s = 1 at time t = 0, find
asked by Kyle 
English
We have to write a myth for class. Any good myths to help me come up with one?
asked by Anonymous 
Earth Space
Why is oxygen an imporant variable gas?
asked by Bryce 
English
1. Research projects that have won Ig Nobel Prizes are real, serious scientific work. 2. Research projects that have ever won Ig Nobel Prizes are real, serious scientific work. (Does #1 mean #2? What is the meaning of 'have won'? Does 'have won' mean
asked by rfvv 
Maths
Determine which one of the following vector fields is conservative. Answer 1. U = (y2 + 2z)i + (5xy + 6z)j + (2xz + y + z2)k 2. G = 2xi  (2  xz)j + xyk 3. F = w(yi  xj) where w is a positive constant. 4. H = k(2xi + yj) where k is a constant.
asked by Kirch 
math
10 numbers have an average of 12 whereas 5 other numbers have an average of 36. find the average of the 15 numbers
asked by kellyann 
College writing supplement edit
can someone edit this Connecticut College is easily my prime choice, as I believe that its exemplary academic and career opportunities will not only help me advance as a student, but also as a future professional English teacher. The college one chooses
asked by chhristine 
SCIENCE
The intensity level of sound A is 5.0dB greater than that of sound B and 3.0dB less than that of C. Determine the ratio(Ic/Ib) of the intensity of sound C to that of B.
asked by KING 
Culture Festival
i went to interior health festival, doing participant observation, its asking were there patterns of behaviour that are repeated? just people socializing, I not notice anyting else, some healing sessions taking place. how do i write about 5 senses? i not
asked by Mohammad 
Algebra 1 Equation
a + 8 < 2 OR 3a >9
asked by Anonymous 
math
Which of the following houses would you have the greatest probability of getting a crunch bar while trick or treating if the owner is randomly handing out one item to each child? 1) house 1 has 30 crunch bars,20 sour patch kids, 30 Swedish fish 2) house 2
asked by B8 
Math
Determine if fraction is more, less or equal to half. 1). 6/8 2). 7/8 3). 7/16 4). 5/12 5). 2/4 6). 2/12 7). 7/12 8). 14/16 9). 5/14 10). 6/8
asked by Anonymous 
Math
Randy has one box of 12 cookies and another box of 34 cookies. Jamal has one box of 48 cookies . Use ,or = to comber of cookies Jamal and Randy have. The answer: Randy: 12+34=46 Jamal: 48 Compare: 46
asked by Nawaf 
math
15 INCREASED BY T IN ALGEBRAIC EXPRESSION my answer is t + 15 9 dollars less than b in algebraic expression. My answer is b  9 am i right or wrong?
asked by Miki 
math
A skateborder descends on a ramp from 172 feet to 67 feet in 15 seconds. What is the average change in height per sceond?
asked by KaiCin 
algebra
find the quotient (9x^2 + 3x^2 15x)  (3x)
asked by Tracy 
math
round to the nearest tens. 646
asked by Raquel 
Bio/science
what are some Echinodermata examples of a representative species for a taxon
asked by Vithu 
Polynomials
P dollars is invested at annual interest rate r for 1year If the interest is compounded semiannually then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. rewrite the expressions without parentheses evaluate the polynomial if
asked by Tracy 
math
I need a prime and composite factor chart. Can you help me?
asked by michele 
calculus
find Arc Length of (9x^(2/3))^(3/2) I square the second derivative and have it under the square root but then get stuck at (9x^1)+x^(1/3)+1 Help?
asked by ConfusedEngineer 
math
how do you rename 2/5 so you can add it to 11/25? what is the sum?
asked by mikel 
math
2/3x>8
asked by Kyle 
Math
103(4a  3) < 2(3a  4) 9
asked by Beau 
Math
A growing number of colleges are teaming up with banks to issue student ID cards that double as debit cards. There were 51 such partnerships in 2003. This number grew to 127 in 2006. What is the percent of increase?
asked by Jackie 
Algebra
(9x^3 + 3x^2 15x)divided by (3x) Find the quotient
asked by Tracy 
Chemistry
What is the electronegativity of NO ? (Nitric oxide)
asked by Lala 
Georgia Studies
Apart from being a dispute over land between the French and British, what are some key elements to the French and Indian War?
asked by Clare 
Math
Which is a better buy : $0.89 for 1 liter or $0.89 for 1 quart 0.89 for 1 liter
asked by Jerald 
science need help Ms. sue
What are the materials I need for my science project. my science project is "How does stress affect your body"
asked by ingrid 
Math
Given 1 mile=1760 yards convert 6,688 yards to miles. Now convert it to feet I know I've asked this already but I couldn't find the post to check. 3.7 miles and 20064 feet
asked by Jerald 
Maths
In polar coordinates, the parametric equations x=6+cos(f) and y=sin(f) represent a circle C1. In Cartesian coordinates, there is a circle C2 that is externally tangent to C1, tangent to the yaxis, and centered at (10,sqrt2). What is the value of a?
asked by CHRIS 
Maths
If x(x+i)+y(y+i)14(8+i)=0, find x and y.
asked by CHRIS 
Algebra
P dollars is invested at annual interest rate r for 1year If the interest is compounded semiannually then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. rewrite the expressions without parentheses evaluate the polynomial if
asked by Tracy 
Algebra 2
Can you please explain how to set up the equation? A city council is proposing a new skyline ordinance. It would require the setback S for any building from the residence to be a minimum of 100 feet, plus an additional 6 feet for each foot of height above
asked by Serena 
Physis
Difference between position and distance
asked by Emma 
Chemistry
How do I determine which atom in a molecule would be the strongest base? Thanks
asked by Anon 
Maths
Suppose x,y,p and q are real numbers and the inverse element for multiplication of the complex number x+yi is 511i. If (511i)^2 * (x+yi)^3 = p+qi, the value of p+q can be expressed as a/b. What is the value of a and b?
asked by CHRIS 
Materials Science
A long 0.6 m OD ANSI 347 stainless steel (use k=15.8 W/mK) cylindrical billet at 290 degrees C is placed into cooling chamber where the temperature is 30 degrees C. If the average heat transfer coefficient is 170 W/m^2K, estimate the time in minutes
asked by KK 
BIO/SCIENCE
If the axomembrane becomes more permeable to potassium ions.. Which onewould be true? A. the inside of the membrane will become more positively charged. B. the membrane will depolarize rapidly. C. it will take a stimulus of larger magnitude to initiate an
asked by Talan HELP PLEASE 
Physics
After a day of testing race cars, you decide to take your own 1532.6 kg car onto the test track. While moving down the track at 13.5 m/s, you suddenly accelerate to 32.8 m/s in 11 s. What average net force have you applied to the car during that time?
asked by Harmonie Sky 
physics
A computer is reading data from a rotating CDROM. At a point that is 0.0316 m from the center of the disk, the centripetal acceleration is 282 m/s2. What is the centripetal acceleration at a point that is 0.0636 m from the center of the disc?
asked by Anonymous 
Statistics
Find the 99% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct to two decimal places.)
asked by Casey 
MATHEMATICS
3 CUPS OF CHOCOLATE MIX MAKE 18 CAKES OF THE SAME SIZE HOW MANY CUPS OF CHOCOLATE MIX WOULD YOU NEED TO MAKE 72 SIMILAR CAKES
asked by KARISSA 
English
Would this analogy A? I: me:: A. you: your B. him: them C. blue: purple D. she her
asked by Kari 
Chemistry,Math
Thank you tutors!!
asked by Anonymous 
English
Would this analogy be C? correct me if im wrong rail: tie:: A. sonnet: poem B. house: foundation C. coat: cap D. locomotive: train
asked by Kari 
math
I am trying to help my grandson with a fraction problem, Mary has 12 marbles 3/12 are yellow,2/12 are blue and the rest are green, I need to explain how many of them are green where he will understand
asked by Gloria 
English
Would this analogy be A? correct me if im wrong pen: writer:: A. paint: artist B. bricks: mason C. warm: how D. chisel: sculptor
asked by Kari 
scial studies
In countries that are predominantly Muslim, the
asked by Lisa 
critical thinking
how do you write in journal format?
asked by Pearl 
science
urgent A 2200kg truck accelerates at 15m/s2(squared). What is the net force on the truck? What is the acceleration of the truck?
asked by E 
English
Would this analogy D? I: me:: A. you: your B. him: them C. blue: purple D. she her
asked by Kari 
AP Chemistry
write an oxidation reduction reaction for the reactants OCl and S2O32
asked by Anonymous 
English
Would this analogy be D? correct me if im wrong pen: writer:: A. paint: artist B. bricks: mason C. warm: how D. chisel: sculptor
asked by Kari 
math
How is testing a conjecture like finding a statement true or false? How is it different?
asked by hi 
algebra 1
write the equation in standard form. Y + 1 = X + 2
asked by A 
math
taxi charges 3.00 plus 75 cents per mile . hOW FAR CAN YOU TRAVEL FOR 12.00
asked by syd 
Algebra
I have two questions dealing with financial polynomials. $6780 compounding 2.5%interest once a year yields? in interest 5760 compounding 3.5 interest once a year yields? in interest
asked by Tracy 
English
Would this analogy be B? correct me if im wrong rail: tie:: A. sonnet: poem B. house: foundation C. coat: cap D. locomotive: train
asked by Kari 
Biology
What would happen if you ran the same sample of DNA as your first experiment but used different primers?
asked by Help please! 
Maths
z=x(1i)+24(2+i) , x is a real number. if z^2 is a negative real number what is x?
asked by CHRIS 
English
Using the words engendered, embellished, enigmas, antagonism, obliterate, ardent put them in the correct order in these sentences. Correct me if im wrong!! :)) A. When Veronica talked with Max, she knew that Betty had EMBELLISHED the story of their first
asked by Kari 
English
1. The teacher's ____ made her an ideal judge at the tryouts. disinterest,dissent,disavowal,disagreement 2. My ___ with the class was due to the poor grade I received. disrespect, disavowal, discontent, disbelief 3. I sense your ___ with the project, but
asked by Hayley 
English
We heard tommy's loud drumming clearly despite the _______ of the elementary school band practice. A. Esprit B. Concordance C. Animadversion
asked by Charles 
English
Which word should be used? The most dissatisfied citizens were we/us residents of the Tremont neighborhood.
asked by Kelley 
Earth Science (Geography)
In what way can the soils, geology and slopes affect river flow?
asked by Faith