Questions Asked on
July 14, 2011

chemistry
what is the percent by mass of NaHCO3, in a solution containing 20 g NaHCO3 dissolved in 600 mL H20
asked by rocky 
Math
Suppose the interest rate is 8% APR with monthly compounding. What is the present value o an annuity that pays $90 every 6 months for 5 years?
asked by Sandra 
physics
Consider a 626N weight held by two cables. The left hand cable had tension T and makes an angle of theta with the wall. The right hand cable had tension 720N and makes an angle of 27 degrees with the ceiling. What is the tesion T in the left hand cable
asked by alexa 
physics
A motorcyclist is trying to leap across a canyon by driving horizontally of the cliff that is 70.0 m high at 38.0 m/s. Ignoring air resistance, use energy conservation to find the speed with which the cycle strikes the ground at a height of 35.0m on the
asked by Angel 
Chemistry 111
calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.80 moles of magnesium perchlorate?
asked by kee 
physical science
If the earth had twice its present radius and twice its present mass, what would happen to your weight? Explain. What is the relationship between the radius (R) of orbit of a satellite and its period (T)?
asked by Edward 
Chemistry 111
How many moles of methane are produced when 8206 moles of carbon dioxide gas react with excess hydrogen gas?
asked by angel 
physics
An ideal gas is confined to a container with adjustable volume. The pressure and mole number are constant. By what factor will volume change if absolute temperature doubles
asked by joyce 
Chemistry 111
How many moles of nitrogen N are there in 71.0g of Nitrous Oxide(N2O)?
asked by angel 
algebra
mike wants to make meatloaf and the recipe calls for six pounds of meat if he uses a 3 to 1 ratio of beef to pork how much pork will he use
asked by LO 
chemistry
At 20°C, a solution contains 120 g of NaNO3 in 100 g of water. Is this solution saturated, unsaturated, or supersaturated?
asked by rocky 
Chemistry
Why is the solubility of KHTar greater in a 0.10M NaNO3 solution than in distilled water?
asked by Becky 
science
What pressure will be exerted by 10 moles of hydrogen gas in a 7.5 L cylinder at 20°C? (Given: R = 8.314 L∙kPa/K∙mol)
asked by jane doe 
chemistry
What is the number of moles of gas contained in a 3 L vessel at 300 K with a pressure of 1.50 atm? (Given: R = 0.08205 L∙atm/mol∙K)
asked by Anonymous 
Chemistry 111
How many moles of hydrogen gas would be needed to react with excess carcon dioxide to produce 88.1 moles of water vaporazation?
asked by kisha 
Chemistry 111
how many grams of water are needed to react with 80.0g CaCn2?
asked by kisha 
MATH
express the repeating decimal as a quotient of two integers 1.63
asked by NICHOLE 
algebra 2
You invest $100,000 in an account with an annual interest rate of 4.5%, compounded semiannually. How much money is in the account after 10 years? Round your answer to the nearest whole number.
asked by Anonymous 
Chemistry 111
As a sample of propane C3H3 contains 14.8 moles of carbon atoms. How many totals moles of atoms does the sample contains?
asked by kee 
geometry
find the area of the equilateral triangle if a side is 8 radical 3m. round to the nearest who number
asked by Hope 
Child Psychology
I need someone to check my answers, to make sure that I have answered them correctly. My answers are marked with xxxx next to my choice out of the four choices. 1. Edwin is doing his doctoral work in the area of gifted education. One of the major
asked by Sharon 
geometry
The diagonals of rhombus FGHJ intersect at point K. If side GH is equal to 3x  10 and side JH is equal to 6x  19, find x.
asked by tom 
Chemistry
I just completed a lab called "AcidCatalyzed Dehydration of an Alcohol: Synthesis of 2Octenes." I started with 2octanol and the lab instructions said the product had the possibility of being 1octene, trans2octene, and/or cis2octene. I did end up
asked by Carole 
chemistry
Assuming all volume measurements are made at the same temperature and pressure, how many liters of oxygen gas would it take to react completely with 7.25 liters of hydrogen gas? Show all of the steps taken to solve this problem. Unbalanced equation: H2 (g)
asked by kendra 
Chemistry 111
Calculate the number of moles of alumunium sulfer, oxygen atoms in 9.00 moles of Alumunium sulfate, Al2(SO4)3?
asked by kee 
Physics
A high fountain of water is located at the center of a circular pool as in Figure P1.41. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 13.0 m. Next, the student stands at the edge of the pool and uses
asked by Mesha 
sciene
which of the following insect behaviors is similar to one of the functions of a worker honeybee? 1. a muddauber wasp laying an egg in a tubular nest of mud 2. a lightning bug flashing its abdomen to attract a mate 3. a forager ant gathering food to store
asked by googii 
Physics
Your whole family has taken showers before you, dropping the temperature in the water heater to 18 degrees Celsius. If the water heater holds 150 kg of water, how much energy will it take to bring it to 50 degrees Celsius? If the energy is supplied by a 5
asked by Jennifer 
Chemistry 111
how many grams of Nh3 are produced from 5028g CaCn2?
asked by kisha 
chemistry
Explain how the addition of a solute affects the vapor pressure of the solvent.
asked by kendra 
science: chemistry
Which equation is set up correctly to determine the volume of a 1.5 mole sample of oxygen gas at 22°C and 100 kPa?
asked by jane doe 
Science
Suppose in a restaurant your coffee is served about 5 or 10 minutes before you are ready for it. If you want the coffee to be as hot as possible when you drink it, should you pour in the room temperature cream right away or when you are ready to drink the
asked by Kandi 
chemistry
The boiling point of a solution will ______ and the vapor pressure will _______ with a(n)_____ in the amount of dissolved solute.
asked by kendra 
Algembra
a train leaves a station and travels north at 85 km/hr. Four hours later, a second train leaves on a parrallel track and travels north at 125km/hr. How far from the station will they meet?
asked by Ann 
MATH
EMILY WANTS A NEW DRESS. SHE ONLY HAS $30 TO SPEND. SHE LIVES IN A STATE WHERE THE SALES TAX IS 5%. ABOUT (ESTIMATE) HOW MUCH CAN THE DRESS COST IF SHE WANTS TO SPEND ALL HER MONEY?
asked by ROSE 
chemistry
if 0.5 moles of H2SO4 combine with 0.2 moles of CaSO4 then how many moles of Ca(OH)2 will be there?
asked by richa 
accounting
Williams Company's direct labor cost is 25% of its conversion cost. If the manufacturing overhead for the last period was $45,000 and the direct materials cost was $25,000, the direct labor cost wa
asked by Anonymous 
calculus
h(x)= integral from (1, 1/x) arctan(2t)dt part 1: let U= 1/x and du= ? > using u=1/x, we can write h(x)= integral from (1, 1/x) arctan (2t)dt as h(u)= integral from (1,u) arctan(2t)dt and h'(u)= arctan (2) Part 2: By the chain Rule, for functions h(u) and
asked by Anonymous 
business communications
A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by? a.)providing relevant evidence from what the applicant has done in the past to support claims that this person can do the job.
asked by lachelle mitchell 
Physics
A 6 µC charge is placed at the origin and a second charge is placed on the xaxis at x = 0.34 m. If the resulting force on the second charge is 4.0 N in the positive xdirection, what is the value of its charge?
asked by Cynthia 
algebra
Solve the equation 3x3=3. Show all the work.
asked by Josey 
chemistry
Doing review for an exam and I can't find how to do this problem in my notes. 2 SO2 + 2 Cl2 > 2 SOCl2 + O2 from a previous problem I solved: rate=k[SO2]^2[Cl2] k = 467.666666... or in sig. figs 467 Energy reaction: T= 25 C The activation energy (Ea)
asked by energy diagram 
physics
What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?
asked by kesha 
american Govt
The governors of most states a serve twoyear terms b may serve more than two consecutive terms c are succeeded by the lieutenant government d may be recalled from office by the voters
asked by Anonymous 
american govt
Preparing a State budget is an example of a governor's is it executive? I'm not sure I thought legislative and executive prepares the budget legislative powers executive powers judicial powers constituent powers
asked by Anonymous 
chemistry
How many kilojoules of heat energy does it take to change the temperature of 50 grams of water from 20 C to 24 C?
asked by g 
Math
describe the pattern you could use to complete the following grid, and then complete it. 0.22 __ __ __ 0.84
asked by Jr 
Government
1. Which of the following exerts the most influence over the policies and actions of Japan's House of Representatives? A. The Japan Socialist Party B. The Liberal Democratic Party C. The Supreme Court D. the bureaucracy I'm stuck between b and d? 2. Japan
asked by Ant 
physics
What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?
asked by kesha 
MATH
DANIEL HAS A MONEY MARKET ACCOUNT WITH %1,200. THE BANK OFFERED HIM A SPECIAL RATE OF 5.25% PER MONTH. HOW MUCH MONEY WILL DANIEL HAVE AFTER THE FIRST MONTH?
asked by ROSE 
physics
What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?
asked by chanelle 
chemistry
if there were no buffers in our blood, what would happen when we drank something acidic?
asked by ana 
math
List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric, or neither: (a) 38, 33, 28, 23, 18, … (b) 640, 320, 160, 80, … (e) 1, ___, ___, ___ 25, 36, 49
asked by judy 
mathalgebra 1
Find the 6th term of the geometric sequence whose common ratio is 1/3 and whose first term is 7.
asked by Emily 
Physics
I have these two equations that I'm supposed to set equal to each other and find the answer for h which is height for this problem. But I don't think I'm solving it correctly. 0  (h/5) = 1.1(v0)  (1/2)(9.8)(1.1)^2 (v0)^2 = 2(9.8)(h/5  h) My final
asked by Kai 
physical science
During a rain storm, rain comes straight down with a velocity 15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is .060 kg every second. Assuming that the rain cones to rest upon stiking the car (Vf
asked by wendell 
statistics
Assume that 90% of the general population is righthanded. Suppose that 100 students are randomly selected. what is the probability that 84% or more is right handed
asked by Amanda 
physics
Advertisements for A toy balk once stated that it would rebound to a height greater than the hethe height from which it was dropped. Is this possible?
asked by edward 
business communications
which of the following communication behaviors of interviewees is Most likely to be successful in an interview? A.)using technical jargon appropriate to the position. B.)making it clear that they are using the interview to learn about the company and what
asked by lachelle mitchell 
Stats
You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard deviation of the sampling distribution of your sample mean.
asked by Ryan 
MATH
THE SMITH FAMILY IS GOING TO BUY A HOME FOR $150,000. THEY WILL NEED A 10% DOWN PAYMENT. HOW MUCH WILL THEY NEED?
asked by ROSE 
Government
__________ services are provided by both state AND local government. A. Education and public safety B. Education and defense C. Public safety and industrial regulation D. Urbanization and education I think it's A?
asked by Ant 
Math
The winner of a popular lottery is offered one of two options: i) a lump sum of $102 500 ii) $1000 every month for 10 years If the money can be invested at 3.0% p/a, compounded monthly, which option should the winner choose? Justify your reasoning. Every
asked by Kate 
math
perform the indicated operation reduce answer to lowest terms 3/17 + 6/170=
asked by NICHOLE 
science: chemistry
Which equation is set up correctly to determine the volume of a 1.5 mole sample of oxygen gas at 22°C and 100 kPa?
asked by jane doe 
chemistry
phenol is insoluble in NNAHCO3 solution while acetic acid is soluble.give reason.
asked by nat 
computer graphics
A pie chart needs to be drawn to show the percentage of total marks obtained by students. suppose 8%of studentss got 90% and above ; 52% got 75%to805 ; and 30% got 60% to 75%and remaing otained below 60%mark. no one failed .write an algorithm to drraw the
asked by uday 
chemistry
How many moles of CO2 would be made if you have 8 moles of C3H8? C3H8 + 5O2 → 3CO2 +4 H2O
asked by g 
physics
A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2. This is my work but i am not sure if it is correct: sum of forces on x axis=
asked by alexa 
Physics
A football player runs the pattern given in the drawing by the three displacement vectors A ,B ,C and . The magnitudes of these vectors are A = 4.00 m, B = 17.0 m, and C = 19.0 m. Using the component method, find the (a) magnitude and (b)direction of the
asked by Kelli 
Science
In the United States, we are fortunate to have an abundant supply of food, and much of this is due to our agricultural technology. However, there are many concerns about our food source, including genetically modified crops, the use of more chemicals, and
asked by Libra 
algebra II
Barry Newman's savings account has a balance of $2707. After 4 years, what will the amount of interest be at 5% compounded annually?
asked by Anonymous 
5/90 lotto winning numbers
how can i work for three winning numbers out of the 90 numbers
asked by fuseini 
Physics
Explain a situation when the normal force is not equal to the force of gravity
asked by Capreeca 
geometry
In a circle with centre P,a chord AB is parallel to a tangent & inersects the radius drawn from a point of contact at the midpoint of the radius .If AB=12,FIND THE RADIUS OF THE CIRCLE.
asked by Mahek 
stats
Use normal approximation(Zscore for phat) to find the probability that student scores 80% or lower on a 100 question quiz. A)If the test contains 250 questions, what is the probability that student will score 80% or lower
asked by Ryan 
stats
Fred rolls a die 200 times and rolls a "5" 28 times. How unusual is freds experiment? Do you believe his die is fair?... extended ... what if fred had rolled the die 200 times and came up with a "5" only 20 times?
asked by GLEN 
science
Two masses traveling in the same direction (m1=10kg u1=9ms^1) (m2=8kg u2=4ms^1). They both collide and move off together. What is their resultant velocity after collision. The loss of kinetic energy.
asked by Sam 
MATH
LINDA INHERITED AN ESTATE WORTH $225,000. THE ATTORNEY TOLD HER THAT THE INHERITANCE TAX WAS 7% AND THAT THEY WOULD DEDUCT IT FROM THE ESTATE BEFORE GIVING HER THE MONEY. HOW MUCH MONEY WILL LINDA RECEIVE?
asked by ROSE 
Statistics  Probability
The probability of receiving a "false positive" from a mammogram is 7%. What is the probability that out of 10 mammograms, a patient receives at least 1 false positive?
asked by Ana 
geometry
ABCD is a parallelogram. If AB is equal to 2x + 1 and CD is equal to x + 13, find x
asked by lana 
statistics
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z
asked by david 
calculus
h(x)= integral from (1, 1/x) arctan(2t)dt part 1: let U= 1/x and du= ? > using u=1/x, we can write h(x)= integral from (1, 1/x) arctan (2t)dt as h(u)= integral from (1,u) arctan(2t)dt and h'(u)= arctan (2) Part 2: By the chain Rule, for functions h(u) and
asked by Anonymous 
English
How does the medium in which you are communicating your message influence your writing and editing styles? I think it means medium of writing is what type of writing the person is doing. But I am not sure help please :) I am a little confused.
asked by Ellie 
literature
during the renaissance, dramatists began writing about? A. science B. religion C. history D. everyday people. i think its c. history
asked by aracely 
Inorganic Chemistry
I messed up on my titration: filled part of the burette with a supersaturated solution of KHTar(2.073g...MM=188.18amu) dissolved in 150mL diH2O, instead of the 0.051M NaOH solution. I know it wasn't more than a few mL, but I noticed a huge difference in
asked by Christina (PLZ HELP!!) 
geometry
an isosceles triangle has a perimeter of in. the congruent sides measure (2x+9)cm. The length of the third side is 3 x cm. what is the value of x?
asked by lisa 
Chemistry
When NaCl dissolves in water it breaks up in sodium ions (Na+)and chloride ions(cl).500 ml of a 1M solution of NaCl contains how many (NA+) ions
asked by Colby 
chemistry
If I have 30 glucose molecules, how many CO2 molecules will that produce?
asked by mike 
Chemistry
You want to determine the molar heat of solution of sodium chloride using a 10.0 g sample of NaCl(aq) and 50.0 mL of water in a coffee cup calorimeter. Which of the following equations would you use? Assume the specific heat of the solution is the same as
asked by Neha 
MathPlease help :(
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not
asked by Jen 
Statistics
In a survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation of 3.03. Given that Normally distributed populations have a first quartile of Z=0.67 and a third quartile of Z=.67, what does this suggest about whether or
asked by david 
physics
On take off, the combined action of the engines and wings of an airplane exerts a(n) 7767 N force on the plane,directed upward at an angle of 59.1 degrees above the horizontal. The plane rises with constant velocity in the vertical direction while
asked by alexa 
Algebra
Translate the following statement into English (~r v q)> ~p The v in the center is for "disjunction" and "or" and that is an arrow meaning "ifthen" after the parentheses. p=Jamie is on the train q=Sylvia is at the park r=Nigel is in the car
asked by Ashley 
math
There are nine cubes how can i arrange the numbers 19 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me
asked by piamonte 
MATH
EVALUATE 5x  2y + 4z WHEN x=3, y=2, AND z=4 ??
asked by ROSE 
science(Chemistry)
Calculate the concentration of the NaOH solution. If 30,0cm3 of a standard oxalic acid[(COOH)2] solution of concentration 0,5 mol.dm3,is used to neutralize 25,0 cm3 of a sodium hydroxide (NaOH) solution. The balanced chemical equation for the reation is
asked by Ntombikayise 
physics
A net force gives a 10th kg object an acceleration of 2.0m/s . If the same force were applied to a 20 kg object what would its acceleration be?
asked by rosie 
chemistry
why does the melted wax turns solid when dropped on water ?
asked by ivy 
geometry
Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG =1/5 AB. FInd the total distance from A to B to C to D to E
asked by lisa 
physics
An elavater m=800kg has a maximum load of 8 people of 600kg. The elevatorgoes up to 10 stories = 30m at a costant speed of 4m/s. what is the average power output of the elevater motor if the elevater is fully loaded with its maximum weight? (neglect
asked by Noemi 
chemistry
How could I determine if one rock is denser than another rock?
asked by tina 
algebra 2
The pH of a solution is given by the formula pH = log H+ , where H+ is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem. Round answer to one decimal place if necessary. Find the pH of a sample of
asked by jay 
Geometry
Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG =1/5 AB. FInd the total distance from A to B to C to D to E
asked by lisa 
chemistry
What are the products ? CH3CH2CH2CH3 + Br2→
asked by g 
statistics
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z
asked by david 
Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not
asked by Jen 
algebra
Solve x: 2 over 5x+2=10
asked by Kelvin 
chemistry
if someone has a blood sugar number of 200 after 12 hours of fasting, what would you tell the patient?
asked by mike 
chemistry
What is the product when ethanol is oxidized?
asked by g 
math
there are six cubes ho can i arrange the numbers 19 in the boxes.their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me
asked by piamonte 
math
There are nine cubes how can i arrange the numbers 19 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me
asked by piamonte 
geometry
JOhn and Jason are standing 12 feet apart. Julie is standing 31 degrees NW of Jason. John is standing 49 degrees SW of Julie. can you uniquely determine how they stand with respect to each other? on what basis?
asked by lisa 
math
x^+8x+20 as a perfect square plus a constant then sketch the graph
asked by Anonymous 
Corporate finance
A 1,000 face value bond has a remaining maturity of 8 years and a required return of 7%. The bond's coupon rate is 8%. What is the fair value of bond?
asked by lynn 
Chemistry
37 grams of Ca(OH)2 in 500 ml of solution is
asked by Colby 
Maths
The length and breadth of a rectangle are in the ration 8:5. The length is 10.5 centimeters more than the breadth. What are the length and breads of the rectangle? Kindly give steps also.
asked by Sunil 
PHYSICAL SCIECE
A seismic wave has a velocity of 5000 m/s and a frequency of 4Hz. wht is the wavelength of this wave? if this was a light wave traveling in a vacuum with the same wavelength, what would be its period?
asked by CARLOS 
stats
Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53  Find the correlation coefficient for the data. 
asked by Celest 
chemistry
What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?
asked by g 
howard community college
Vitamin A, Vitamin B6, Vitamin C and Vitamin E. Which of these are largely water soluble and which are largely fat soluble? Explain your reasoning in each case.
asked by nana a 
statistics
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z
asked by david 
Pre Calculus
use the sum of difference formula what is sin(pi/25pi/3)?
asked by Josh 
chemistry
If I add more and more HCl to a solution, what will happen to the pOH?
asked by g 
Math
If sales volume exceeds the breakeven point, the firm sill experience a)an operating loss,b)an operating profit c)an increase in plant and equipment d)an increase in stock price
asked by Lea 
Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not
asked by Jen 
english
10 examples of back formation
asked by jm 
physics science
The photoelectric effect occurs only when the incident light has more than a entain minimum
asked by Tammie Mitchell 
algebra 2
Find the inverse of the function. f(x) = e^x + 5 f(x) = 10^x + 2
asked by sky 
exp of math
add and simplify 96/125 + 83/125 + 2/15 =
asked by aj 
Algebra
What is the equation for this situation. the cost c, in dollars of a car rentalis equal to 9 dollars plus 1/4 the miles driven, m
asked by Poochie 
geometry
a jeweler creates triangular medallians by bending pieces of silver wire. each medallion is an equilateral triangle. each side of a triangle is 4 cm long. how many medallians can be made from a piece of wire that is cm long?
asked by lisa 
geometry
one of the acute angles in a right riangle has a measure of degrees. what is the other acute angle?
asked by lisa 
computers
Computer business systems have been around for 40 years. Desktop computers have been around for 20 years. Why do business systems, in general, still need more development?
asked by Anonymous 
pronouns
rewrite the first sentence of ch.2, section 5 of the text in your own words. identify commonly used pronouns. explain why using pronouns may help make your writing more effective.
asked by shakeila 
Algebra 2 logarithms
Use the properties of logarithms to evaluate the expression. 1. 5^log(7x) 2. 10^x + 2 log(x)=x+2 or log(x)=x2 ????
asked by jay 
answer
Sharon's share for lunch is $8. If she pays with a $20 bill, how much change should she get?
asked by Anonymous 
Geometry...not getting this
JOhn and Jason are standing 12 feet apart. Julie is standing 31 degrees NW of Jason. John is standing 49 degrees SW of Julie. can you uniquely determine how they stand with respect to each other? on what basis?
asked by lisa 
statistics
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z
asked by david 
govt
Which act is an example of governor's use of legislative powers? a firing a parks commissioner b rejecting part of a recycling bill c pardoning a former senator d assessing floodcontrol efforts
asked by aj 
space
What is the role of chemistry in outer space exploration?
asked by bev 
math
what is a proof of the pythagoarean theorem?
asked by Chris 
Calculus
The owner of a farm wants to form four rectangular corrals. He has 750 meters of iron gate to enclose and to separate the four corrals. To save materials, he he decides to enclose a large area and to divide into four rectangles. Divide them will use part
asked by Mabel 
Math
Construct a truth table for the statement. (p ↔ q) → p
asked by Jen 
Chemistry 111
what is the molar mass of Butane,C7H10?
asked by angel 
Physics
A stone is launched upaward into the air. In addition to the force of gravity, the stone is subject to frictional forces fue to air resistance. Is the time to reach the top of its flight equal to, smaller or larger than the time to come back to its
asked by Capreeca 
Government
According to communist theory, the value of a commodity is determined by the: A. Gosplan B. Five Year Plan C. laws of supply and demand D. amount of labor put into it I think it's D?
asked by Ant 
biology
How is bacterial cell different from an onion peel cell ?
asked by flash 
Algebra
Construct a truth table for ~q v ~p. I am really lost here.
asked by Ashley 
math
multiply in the indicated base the base is 9 503 x 67 ¬¬¬¬¬¬¬¬¬¬¬¬
asked by Anonymous 
MATH
EVALUATE 6a + 4b  3c WHEN a=4, b=7, AND c= 2
asked by ROSE 
Chemistry
1 NHzSO4 is what molarity
asked by Colby 
chemistry
How many TOTAL carbons does 3 ethyl 5, 6 di methyl decane have?
asked by g 
Am. History
the English were responsible for all of the following colonies EXCEPT: Rhode Island Maryland Massachusetts New Netherland i think that it is New Netherland just looking for confirmation
asked by Stacy 
chemistry
Why do you think an input of energy is required into a glucose molecule before we can break it down for energy?
asked by g 
Government
In an earlier part of United States history, Congress...? a. helped further the discrimination of minorities by inaction. b. consistently acted for the benefit of minority groups. c. pursued legislation aiding African Americans, but not women. d. pursued
asked by Anthony 
Chemistry 111
What is the mass of 7080 moles of magnesium chloride (MgCl2)?
asked by angel 
chemistry
If I have 10 grams of NaOH in 4 Liters of water, what is the molarity
asked by ana 
algebra II
What will be the amount in an account with initial principal $6000 if interest is compounded continuously at an annual rate of 3.25% for 9 years?
asked by Anonymous 
phy
silver ball= 50g water= 350 g water= 0 celcius equilibrium temperature= 10 celcius specefic heat capacity of platinum= 230 what is the temperature of furnace?
asked by pop 
trig
How do i solve Cos (4x)(2+tan^2X0 = 8?
asked by Anonymous 
Trig math
How do I solve for x? cos(4x)(2+tan^2x)=8
asked by Shiv 
Algebra
Construct a truth table for (p ^ ~q) q ^ is meant to be a conjunction symbol
asked by Ashley 
college physcial science
a car whose inintal speed is 30m/s undergoes a constant acceleration of 5m/s2. In the first 6s after the accleration starts the car travels
asked by Tammie Mitchell 
MATH
EVALUATE 3x + 2y  2z WHEN x=5, y=2, AND z=1 ???
asked by ROSE 
Math
How much would you have to invest at 6.3% interest for it to have grown to $67.06 in five years
asked by Kate 
math
Can someone PLEASE tell me what "enitmelgens" is unscrambled.
asked by Roxy 
math
A man is 67 7/18 taller than his son his son is 65 ¾ tall how much taller is the man?
asked by aj 
english
examples of folk narratives with sources
asked by ivy 
american govt
Except in Nebraska, each State legislature today is is it bicameral? unicameral bicameral nonpartisan relatively powerless
asked by Anonymous 
chemistry
If I isolated a strand of nucleotides, how could I determine if they were DNA or RNA?
asked by ana 
chemistry
What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?
asked by g 
Confidentiality of Health Information
IN REGARD TO ELECTRONIC MEDICAL RECORDS (EMRS) WHAT IS THE POLICY FOR DISCLOSING AUTHORIZED DATA REQUESTED BY THIRD PARTIES?
asked by Elaine 
Government
a. are always constitutional b. are always unconstitutional c. may be upheld by the supreme court if they meet certain criteria d. may be passed by congress but not by states. I'm stuck between b and c?
asked by Anthony 
govt
In 21 states voters may propose and pass laws without the legislature a.by direct initiative b by indirect initiative c by optional referendum d by mandatory referendum
asked by aj 
find the derivative
3 In (√x + 7)
asked by Steff 
phscial science
the proportion of the world's electricity that comes from nuclear engergy is about
asked by Tammie Mitchell 
MATH
SIMPLIFY 3/25 ÷ 1/5 . 9/5 =
asked by NICHOLE 
English
I'm going to write a list of simple sentences to be used with my sixyearold child in an attempt to make him learn English. Can you help me, please? 1)Go and get your beach towel? 2) How do you call plastic bowls you can use on the beach? Is the white
asked by Henry2