Questions Asked on
March 30, 2011

business
Rocky Mountain Tire Center sells 20,000 go cart tires per year. The ordering cost for each tire is $40, and the holding cost is 20% of the purchase price of the tires per year. The purchase price is $20 per tire if fewer than 500 tires are ordered, $18 per
asked by Gin 
5 of 90 lotto equation formula
Example: on 5 Feb. 2011, draws were::: 44 – 68 – 90 – 64 – 66 and 12 Feb. 2011, draws were::: 89 – 27 – 12 – 49 – 40 Each draw has a corresponding machine number. For instance, the machine numbers for the 5 Feb. 2011 were::: 87 – 50 –
asked by ay 
Chemistry
you add 0.05ml of 0.10M agno3 to 4ml of 2.0 nacl it forms saturated solution of agcl ag+ + cl using a saturated solution you set up ag  ag+( test solution after reaction)  ag+(1.0ml)  ag how do we calc the equilibrium of ag+ of the test solution after
asked by Jeanine 
math
Sophina bought 3 yards of trim to put around a rectangular scarf. She does not want the scarf to be wider than 12 inches or narrower than 6 inches. Using whole numbers, if she uses all the trim, what are the possible dimensions of her scarf in inches?
asked by Blake 
Physics
A stuntman drives a car over the top of a hill, the cross section of which can be approximated by a circular arc of radius 250 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?
asked by Petros 
Chemistry
At 35 degrees Celcius, K = 1.6x10^5 for the reaction: 2NOCl 2NO + Cl2 If 2.0mol NOCl and 1.0mol Cl2 are placed into a 1.0L flask, calculate the equilibrium concentrations of all species. Answer: [NOCl] = 2.0M [NO] = 8.0x10^3 [Cl2] = 1.0M  What
asked by Jenny 
chemistry
A studen is asket to calculate the amount of heat involved in changing 10.0 g of liquid bomine at room temperature (22.5 C) to vapor at 59.0 C. To do this, one must know specific heat (0.474 J/g*C), boiling point (59 C), and heat of vaporization (29.6
asked by Lena 
statistics
A university dean wishes to estimate the average number of hours his parttime instructors teach per week. The standard deviation is 2.6 hours. How large a sample must be selected if he wants to be 95% confident of finding whether the true mean differs
asked by bob 
math
Jeff put a small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that is 20 inches long, 15 inches wide, and 9 inches high. How much space is left in the larger box?
asked by Blake 
Precal
Use a calculator to evaluate the expression. arcsin 0.45 arctan 15 arcsin(0.125) arccos(1/3)
asked by Jackie 
statistics
a simple random sample of size n=5 is obtained from the population of drivers living in New York City, and the breaking reaction time of each driver is measured. The results are to be used for constructing a 95% confidence interval. What is the number of
asked by Nick 
Spanish
Sandra: Hola, Eduardo. ¿1. (descansar) en la tarde? Eduardo: Nunca. Mis amigos y yo siempre 2. (tocar) la guitarra. Sandra: Yo 3. (practicar) deportes casi todas las tardes. ¿Tú 4. (estudiar) en la mañana o en la tarde? Eduardo: En la tarde 5. (montar)
asked by Cierrah 
geometry
an equilateral triangle of side 20cm is inscribed in a circle.calculate the distance of a side of the triangle from th centre of the circle.
asked by victor 
algebra
Shelly has $175 to shop for jeans and sweaters, Each pair of jeans costs $25, each sweater costs $20, and she buys 8 items. Determine the number of pairs of jeans and sweaters Shelly bought.
asked by mimi 
geometry
The ratio of the areas of two similar trapezoids is 1:9. What is the ratio of the lengths of their altitudes?
asked by becky 
math
what is the formula used to find the area of a composite figure
asked by paskelly 
Chemistry
bond angles and polarity for transPF3Cl2
asked by cassandra 
chemistry
the following reaction is endothermic; 3O2(g) = 2O3(g) If this reation is at equilibrium will it shift to the right or left if we: 1) add some oxygen
asked by Chris 
physics
A 63kg iceskater glides with a speed of 10 m/s toward a 14kg sled at rest on the ice. The iceskater reaches the sled and holds on to it. The iceskater and the sled then continue sliding in the same direction in which the iceskater was originally
asked by kevin 
chemistry
Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to prepare 5L of 0.1M nitric acid?
asked by n/a 
CALCULUS
Postal regulations specify that a package sent by priority mail may have a combined length and girth of no more than 129 in. Find the dimensions of a cylindrical package with the greatest volume that may be sent by priority mail. Hint: The length plus the
asked by Anonymous 
physics
Four identical metallic objects carry the following charges: +7.8 µC, +4.2 µC, 2.2 µC, and 4.4 µC. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated.
asked by Anonymous 
physics
A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water true or false
asked by bode 
chemistry
A 1.00g sample of piperazine hexahydrate is dissolved in enough water to produce 100.0 mL of solution and is titrated with 0.500 M HCl. What is the initial of the solution, before any titrant is added? Piperazine,HN(C4H8)NH, is a diprotic weak base used
asked by shae 
Math
Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 144 in. Find the dimensions of a rectangular package that has a square cross section and largest volume that may be sent by priority mail.
asked by Anonymous 
Physics
A mass m at the end of a spring vibrates with a frequency of 0.92 Hz. When an additional 600 g mass is added to m, the frequency is 0.64 Hz. What is the value of m?
asked by Cindy 
Physics
15 beats are heard in 5 seconds when a piano key and a tuning fork of slightly higher frequency (440 Hz) are struck at the same time. What is the frequency of the sound emitted by the piano key?
asked by Brent 
Math
The owner of the Rancho Grande has 3028 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area he can
asked by Raymone 
chemistry
The OH concentration of 0.050 M ammonia, NH3, is 9.5x10^4. Write the equilibrium equation for its ionization and the equilibrium constant expression; solve for the value of K.
asked by Eghonghon 
math
round to the nearest tenth 17.32
asked by jamea 
chem
which is the correct balanced equation for a given titration process, (a) or (b)? a) 6H+ + 2MnO4 + 3H2O2 > 4O2 + 2Mn2+ + 6H2O b) 6H+ + 2MnO4 + 5H2O2 > 5O2 + 2Mn2+ + 8H2O Process: Make a solution in a 100mL volumetric flask using 1g of NaBO3*4H2O, 20mL
asked by sarah 
algebra
The circle below is centered at the point (3, 2) and has a radius of length 7. What is its equation?
asked by nell 
Math
Your body consists of 7/10 water. Is more than 1/2 your body water? Explain
asked by Tarra 
Math
The owner of the Rancho Grande has 3028 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area he can
asked by Anonymous 
math
What is the volume of a cylinder with radius 8km and height 7km?
asked by Kevin 
physics
an insulated circular ring of diameter 6.50cm carries a 12.0 A current and is tangent to a very long, straight insulated wire carrying 10.0 A of current. find the magnitude and direction of the magnetic field at the center of the ring due to this
asked by jennifer 
geometry
chords RS and QT are parallel. If arc QR is equal to 45 degrees, what is the measure of arc ST?
asked by Victoria 
algebra
Can someone please help write a proof for the following. given: JKLM is a square prove: MK is perpendicular to LJ the figure in front of me is a square labeled JKLM and there are diagonals JL and KM
asked by Jim 
trig
I have to retype this. For which angles theta, with 0 degrees less than/equal to theta less than/equal to 180 degrees, is sin 3theta = (equal) 1 (negative 1)? a) 30 and 150 degrees b) 60 and 120 degrees c) 90 degrees d) 0 and 120 degrees How do I set this
asked by sejul 
Algebra
How do I go about Converting 8/9 to a decimal fraction. Round to the nearest thousandth.
asked by Jeannie 
English
Homework Help Forum: English Posted by rfvv on Tuesday, March 29, 2011 at 11:13pm. e.g. Can you repeat what he said? 1. Can you repeat the thing which he said? (what =relative pronoun) 2. Can you repeat___? + What did he say? (what=interrogative pronoun)
asked by rfvv 
math
girls are 1 half of the 5 grade class two tenths of these girls have red hair.red haired girls are what fraction of the 5 rade
asked by FRANCES 
bio chemistry
1.)prepare 500mM 100 ML HCL (37% purity, density 1.8) 2.) prepare 0.5N 100 mL HCL(37% purity, density 1.8)
asked by hadja 
chemistry
More dilute sodium hydroxide solutions are often prepared from a sastuated sodium hydroxide soltuion that's is 52.0% by mass and has a density of 1.48 g/mL. Calculate the volume, in liters, of this solution needed to prepare 35.0 L if 0.125 M sodium
asked by conlan 
Chemistry
Using a table how would you know what elements were oxidized, reduced, or neither? 2Al + Fe2O3 = 2Fe + Al2O3
asked by Sethh 
precalc
Assume that this year, n = 1, the average annual salary for women in the United States is $25,000 and that it is increasing by 5% per year, meaning that each year the salary is 1.05 times what it was the previous year. Assume that the average annual salary
asked by anna 
Chemistry
How much heat energy is needed to transform 125g of ice at zero degrees celsius to warm water at 80 degrees celsius?
asked by John Goodroe 
Whitney
Stacy rolled a cube numbered 1 through 6 two times. what is the probability that the sum of the rolls was 7?
asked by Linda 
chemistry
prepare 500mM 100 ML HCL (37% purity, density 1.8)
asked by Anonymous 
Chemistry
How much heat energy is needed to transform 125g of ice at zero degrees celsius to warm water at 80 degrees celsius?
asked by John Goodroe 
Few Facts about Vancouver/Paris
These are facts I have collected about them. They both have a unique atmosphere, lovely streets, and great monuments. They are both livable, and are known to be Metropolitan areas. They are popular tourist destinations. Paris is ranked among the three most
asked by Alice 
chemistry
a) The OH concentration of 0.050 M ammonia, NH3, is 9.5x10^4. Write the equilibrium equation for its ionization and the equilibrium constant expression; solve for the value of K.
asked by E.G. 
pharmacology 1
identify the vitamin converted by sunlight on the skin and found in fortified food products
asked by tiffany 
Precal
Find the exact value of the expression. sin(arccos sqrt(5)/5)
asked by Jackie 
chemistry
what is activation energy for combustion of sawdust
asked by christabel 
Geology science
Describe any difference between the amounts of water that would percolate downward to the saturated zone beneath a flat meadow in northern New York and a rocky hillside in southern Nevada. Discuss the factors that control the amount of percolation in each
asked by Roger 
math
John will toss a coin three times. What is the probability that the coin will land heads up all three times? express the probability ratio as a fraction and as a decimal
asked by jill 
Chemistry
Imagine a titration starting with 25 mL of 0.1 M phosphoric acid, and titrating it with 100 mL of 0.1 M KOH. Please go look up the Ka constants for phosphoric acid, and then,explain why I asked for so much more KOH than would be needed for CH3CO2H.
asked by Laura 
epidemiology
For this Discussion, read the following scenario, and then address the following question in 1–2 paragraphs: For the month of August, 12 new cases of tuberculosis and 12 new cases of West Nile virus infection were reported to a county health department.
asked by pamela 
Fher
a laundry room is shaped like a rectangle. the area of the room is 6 square yards. the perimeter is 10 yards. The room is longer than it is wide. How wide is the room? How long it the room?
asked by Anonymous 
chemistry
A 79.9L sample of a gaseous hydrocarbon, measured at 1.00 atm pressure and 25.0°C, is burned in excess oxygen, liberating 4.24 × 10^3 kJ of heat at constant pressure. What is the identity of the hydrocarbon? (R = 0.0821 L · atm/(K · mol)) Substance
asked by chemistry 
chemistry
How many grams of copper will be required to replace silver from 200 mL of 3.00M solution of silver nitrate AgNO3?
asked by randy ramos 
maths
Hi Please can you help Find the particular solution of the differential equation from f(x)=(x^26x+23)^(3/2)for which y=2 when x = 1, and then give this particular solution in explicit form? Am I correct that the following is the explicit form (not
asked by Claire 
Science
Find Molecular and net ionic equation for Al(NO3)3 + Na2CO3
asked by unkown 
MAT116
3. In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. a. Write an expression that illustrates the total cost of all baked goods in the scenario
asked by Phoenyx 
chemistry
Hi, The problem is: "Calculate the concentration of OH and the pH value of an aqueous solution in which [H30+] is 0.014M at 25C. Is this solution acidic, basic, or neutral?" I have calculated the OH concentration to be: 7.1 X 10^14 When I calculate the
asked by LaurenM 
math
By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 16 in. long and 6 in. wide, find the dimensions of the box that will yield the maximum
asked by Anonymous 
English
1. Dancing is fun. (Is 'fun' and adverb or a noun?
asked by rfvv 
Math
What is the probability of rolling a number cube and getting an even number or a multiple of 3? I got 4/6 as the probability, but that isn't a choice. 6 is a multiple of 3 and an even number, so if I count 6 once, then I get 4/6 as the probability. But if
asked by Sammy 
physics
A 5.8 g bullet leaves the muzzle of a rifle with a speed of 306 m/s. What total constant force is exerted on the bullet while it is traveling down the 0.75 m long barrel of the rifle?
asked by jenn 
chemistry
A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of \rm Na_3PO_4 will be needed to produce 250 mL of a solution that has a concentration of \rm Na^+ ions of 0.600 \it M?
asked by Katie 
World History
In what regions did Latin Christendom expand during the period of the early Mongol expansion?
asked by Elizabeth 
Math 7th
A bus travels 480 miles on 8 hrs. At the same rate, how long would it take the bus to travel 735 miles?
asked by 7th grader 
ETH
Should applications from certain countries be given priority?
asked by =) 
Math
Which of the following formulas could be used to calculate the combined area,x of threw identical circles? A. X= 3pie r squared B. X= 6 pie r C. X= pie r squared/ 3 D. X= 6 r/ pie
asked by Mary 
Math
John has scores of 88,73,90,85,93 on five math quizzes. What scores must john earn on the next math quiz to have a mean quiz score of exactly 88?
asked by Math(: 
4th grade math
pilar has 4 marbles in a bag .they are green,red,blue,and yellow.she chooses a marble without looking,replaces it,and then chooses another marble.if she wants to get a green marble exactly 1 time out out of the 2 draws,how many favorable outcomes are
asked by megajolt 
Calculus
An epidemiologist determines that a particular epidemic spreads in such a way that t weeks after the outbreak, N hundred new cases will be reported where N(t)= 5t/(12+t*2). At what time is the epidemic at its worst? What is the maximum number of reported
asked by Jasmin 
Genral chemistry
if you dissolve 1.60g of Cu(No3)2 in 100mL of water, calculate the molarity of the resulting solution ?
asked by Abdul 
Chemistry
A sample of a gas weighs 4.526g and has a volume of 890.9 mL at 645.0 torr and 29(degrees C). What is its molar mass? I just need help setting this up!
asked by Toni Jones 
Trig
A Person is riding a bike with wheels that have a 14 inch radius at 15 mph. The bicyclist rides over some gum which sticks in the tire, assume this is t=0. 1. Find a function that gives the height in inches above the ground of the gum, with input is second
asked by Nate 
trig
use an inverse trig function to write è as a function of x (There is a right triangle. The hypotenuse is 2. è is the angle between the base and the hypotenuse. The base/adjacent side of è is (x + 1) The side opposite è does not have a value.) a) è =
asked by Sushmitha 
physics
A block of mass m = 2.67 kg is attached to a spring (k = 32.3 N/m) by a rope that hangs over a pulley of mass M = 5.34 kg and radius R = 6.41 cm, as shown in the figure. a) Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of
asked by toot 
world war 1
Which was a major contributing factor in Woodrow Wilson’s winning the presidency in 1912?
asked by jaslyne 
FAMU
Tamara company purchased a machine on january 1, 2002. Annual depreciation is $800. At december 31 2004, the balance in the accumulated depreciation account, after adjsutment, should be
asked by Salee 
math
what percent of students have a major other than math, history, english or science. math=200 history=300 english = 400 science=150 other= 200
asked by missy 
Trig
What is the exact value of sin^1(sin(8pi/15)?
asked by Kelly 
business Communication
Which of the following is NOT an example of parallel structure? a. Yoga can help you develop flexibility, reduce stress, and increase relaxation. b. Learn how to analyze business audience, improve your style, and edit thoroughly. c. You are all encouraged
asked by Sparkle 
math
Raymond has exactly 360 square inches of cardboard to make a box. He wants two of the dimensions to be 6 inches and the other one to be a whole number of inches. How many different size boxes can he make?
asked by Blake 
algebra
Can someone please help wright a proof for the following. given: JKLM is a square prove: MK is perpendicular to LJ the figure in front of me is a square labeled JKLM and there are diagonals JL and KM
asked by Bridge 
English
1.) Should there be a comma before "is" in the following sentence below? She gave birth to her first child by her uncle at age 14 in 1990 is showing a sign of being raped. 2.) The psychologist help Alesha to break through her issues by using
asked by Jackie 
Math
melissa invested a some of money at 3% annual simple inter she invested 3 times that some at 5 % annual simple interest if her total yearly interest from both investments was 7200 how much was invested at 3% ?
asked by Joel 
math 4th grade
round each number to the underlined digit the number is 3,922,703 the underlined digit is in the millions place
asked by jailynn 
Frankenstein
How does shelly keep mystery and terror along with supernatural elements in chapters 810
asked by Cynthia 
COLLEGE
wRITE A FORMULA FOR THE FUNCTION m THAT COMPUTES THE NUMBER OF YARDS IN x FEET
asked by Rebecca 
english
which latin word means to join? JUNCT? CRE? LEG? OR MON?
asked by krystle 
Anatomical Terminology
I often here my prof use the word proper as in "mucous glands proper". What does the word proper mean?
asked by Lena 
math
How do I convert 19.9% into a fraction?
asked by Gale 
evaluate expression
ricky wrote the following to show that his sisters age is 6years less than 3times his age. Explain what he did wrong . Give the correct expression. Let (a)stand for my age ,my sisters age: a/36
asked by Sededra 
Math I'm so confused
Find the absolute maximum and absolute minimum values, if any, of the function. (If an answer does not exist, enter DNE.) f(x) = x2 − x − 5 on [0, 5] Come someone please show me how to do these problems? I'm lost
asked by Josh 
Math Absolutely no idea
Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x)=(1/16)x^216sqrtx on [0,36]
asked by Amy 
Chemestry
How many moles of sodium chloride are produced when 25 grams of sodium reacts with chlorine gas?
asked by Me. 
College Algebra
Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?
asked by Devin 
math please help
use an inverse trig function to write theta as a function of x (There is a right triangle drawn. The hypotenuse is 2. Theta is the angle between the base and the hypotenuse. The base/adjacent side of theta is labeled(x + 1) The side opposite theta does not
asked by Sushmitha 
Calculus
"The production amount, Q, of an item manufactured by a company is modeled by the CobbDouglas function Q = 200(K^0.6)(L^0.4)(T^0.3) where K is the quantity of capital investment, L is the quantity of labor used, and T is the investment in training. Capital
asked by Brittany 
geometry
elbert wants to plant grass seed in his backyard. His yard is shaped like a rectangle that is 6 meers by 7 meters. He plans to use a cup of seed for every square in his yard. How many cups of grass seed will he need?
asked by Summer 
Statistics
Given that the mean is 40 and the standard deviation is 1.5: A) what is the probability of selecting a value between 39 and 46 B)what value will allow only 15% of the data to be greater than it
asked by Glenn 
Chemistry
On the basis of the solubility curve for KNO3 what type of substance would you expect KNO3 to be?
asked by Anonymous 
geometry
Serena has a squareshaped garden. She wants to put a fence around the outside of the garden. One side of the garden is 8 feet long. How many feet of fence will she need?
asked by Terry 
math
A quaterlateral with only one pare of parallel sides would be Trapezoid am I correct. Thanks for all your help
asked by Americal 
algebra
how do i factor 4xx36?
asked by sin 
math
help please!!!!!! explain how you would find the length of one side of a square if the area is 36 square units.
asked by santos 
math
(3xsquared7x6)+(2xsquared4x+1) simplify
asked by Peezy 
Pos/110 american government
Can someone help please??? 1. Assignment: American Government Concepts • Resources: Chapter 1 of the text lists several key concepts in American government. Among these are government, politics, policymaking system, public policy, democracy, majority
asked by Ruth 
GEOMETRY
Show how to construct a triangle given the length of one side, the size of an adjacent angle and the length of the median from that angle
asked by Zahra 
math
Sean's truck has a 12gallon gas tank. He just put 3 gallons of gas into the tank. Is this equivalent to a third of a tank? if not, what amount of gas is equivalent to a third of a tank?
asked by Amy 
English
Can you please check these sentences for me? It's really urgent. 1) At eighteen you can get married without your parents' permission. At eighten years of age/When you are eighteen ... (are they both correct?) 2) You can't get married without your parents'
asked by Mike 
Organic Chemistry
What are the names of the aldol condensation products of acetone + 4methylbenzaldehyde and acetone + 4methoxybenzaldehyde?
asked by Camer 
science
what will happen to a can of coke if it was left in a car on a hot summer day?
asked by vanessa 
Communications
Explain the impact and use of jealousy in interpersonal relationships.
asked by Megan 
stc
interpret the poem the lady in the pink mustang
asked by partner hernandez 
world history
Explain why/how the United States became the world's superpower after WW2. Explain why the United States was better suited for being a global leader.
asked by Janay 
Psychology
Which item below is most strongly related to cognition and thinking? a) classical conditioning b)behavior modification c) operant conditioning d)obeservational learning
asked by Paulo 
Chemistry
how to prepare 100 mL of exactly 5.00% (w/w) aqueous hydrogen solution? If given that initial it is 50.0% (w/w) and has density of 1.18 g mL^1
asked by Balnur 
Physics
Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.
asked by Nikki 
math
if you the cosine of a angle can you determine the measure of the angle
asked by ashley  HELP PLEASEE!!! 
english
what is the meaning of the quote"Lord protect me from my friends i can take care of my enemies"
asked by Anonymous 
math
Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x) = x(^2) + 2 x + 9
asked by Anonymous 
Acid/Base Chem
Determine the volume (in mL) of 1.18 M perchloric acid (HClO4) that must be added to 747 mL of 0.976 M sodium hydrogen citrate (Na2C6H6O7) to yield a pH of 4.77.
asked by Sam 
Human Resources Management
Sekect two aspects of a performance appraisal from the list below. Explain what each aspect is. State the effects on employees and employers if the aspects were not addressed. Strategic Relevance Criterion deficiency Criterion contamination Reliability
asked by Sabrina 
8th grade math
If two numbers are relatively prime, what is their LCM? Explain your reasoning and give 2 examples supporting your answer.
asked by HELP 
Equivalent art
What is the the 3 equivalent fractions of 10/24
asked by Juan 
Math
When you join Sally's Video Club, there is no rental charge for the first 2 tapes. Each tape then costs $2 to rent, but you can borrow one tape free as a bonus after renting 10 tapes. How many tapes would you be able to rent for $50?
asked by Paige 
Math
What does vertices mean?
asked by Kristiana 
acc
2,000,000 shares of capital stocks at $3 par value were issued the company issued half of the stock for cash at $8 per share, and earnded $90,000 during the first three months of operation , and declared a cash dividend of $15,000 what would be the total
asked by vee 
macroeconomics
a description of a specific macroeconomic phenomenon or event and how it has impacted you
asked by Erica 
Statistics
The scores on the Webster test are approximately normal with u=100 and o=15. The proportion of adults with scores between 90 and 110 is closest to??
asked by Anonymous 
Chemistry
A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point. A. What is the concentration of the HCl? B. What is the initial pH of the acid solution? C. What is the pH of the reaction
asked by Joseph 
math
12x^4 _______ 42x
asked by julie 
English
Unscramble these letters bikfatcrgos to make three words
asked by Bev 
Maths
What is 5y=9+2y
asked by Dan 
math
Mrs Nelson has a rectangular flower box that is 5 feet long and 2 feet tall. She wants the width of the box to be no more than 5 feet. If the width is a whole number, what are the possible volumes for the flower box?
asked by Blake 
chemistry
How many grams of copper will be required to replace silver from 200 mL of 3.00M solution of silver nitrate AgNO3?
asked by randy ramos 
math algebra
wanted to know if I got the correct answer? question (2a10b2)(3a2b2) answer 6a^12+5a^12b^4+b^4
asked by SO LOST 
science
which is the correct balanced equation for a given titration process, (a) or (b)? a) 6H+ + 2MnO4 + 3H2O2 > 4O2 + 2Mn2+ + 6H2O b) 6H+ + 2MnO4 + 5H2O2 > 5O2 + 2Mn2+ + 8H2O Process: Make a solution in a 100mL volumetric flask using 1g of NaBO3*4H2O, 20mL
asked by sarah 
Discrete Mathematics
How many elementary operations are used in the following algorithm? Step 1 Set S = a, k = 0 , and t = a Step 2 while k < n (a) Replace t with t+d (b) Replace S with S+t (c) Replace k with k+1 endwhile Step 2 Print S  My answer was:
asked by Compstudent 
Math
how do you solve: m=a+b/2
asked by Jacob 
4th grade math
ted is an airline attendant and must wear a uniform to work.he has 3 shirts,4 slacks,and 2 ties from which to choose.how many outfits are possible with these choices?
asked by megajolt 
english
the verb in this sentence is:After a pronlonged delay due to technical difficulties,the program resumed
asked by s 
English
I forgot to include the following list of words. Can you just tell me if they are used and if I should include other (more fashionable) clothes? 1) FOOTWEAR: Walking boots, boots, sandals, shoes, slippers, court shoes (AmE pumps), flip flops, slippers,
asked by Mike 
Algebra Please Help
Can you please give a example so that I can understand it better. 1)How can you tell whether a polynomial is written in factor form. 2)Construct a trinomial whose greatest common factor is 2x^2. 3)Describe the different methods that can be used to find the
asked by WendyQ 
SS
KOHLER, TOLMAN, AND BANDURA ARE IMPORTANT FIGURES ASSOCIATED WITH?
asked by JAMIE 
physics please!
hi im trying to do a problem that involves multiple battereis, one capacitor,and multiple resistors, and im told that the circuit has been connected for a very long time... i found the current passing through each battery using kirchoffs rules, but now i
asked by kiksy 
geometry
If a quadrilateral has 4 congruent sides and congruent diagonals. Could it immediately be concluded to be a square?justify the answer. If not was is a counterexample
asked by BB 
Math
Hi! I'm working on a math assignment and I was wondering if someone could check my math on this. PLZ! Create a model of Tank B. Find the approximate capacity Assuming that the overflow pipe is 100cm below the top of the tank, therefore the revised overflow
asked by JJ 
chemistry
How would you make 250 ml of a .51M calcium hydroxide solution?
asked by Anonymous 
algebra
when will train b catch up with train b if train a is traveling 60 mph and passes station at 1:25pm While train b is traveling 80 mph and passes staion at 1:40pm?
asked by kia 
english
Whats the subject of the following sentence: The sergeant and captain agrees on the strategy to catch the criminal.
asked by steph 
poetry
What is the author, Andrei Codrescu, trying to saying in "A Leafy Angel?"
asked by redgy 
trig
secx=5 use a graph to solve the following equation in the interval x is greater than pie but less than pie
asked by Courtney 
physics
How much voltage is there in a circuit with a resistance of 12 ohms and a current of 3 amps
asked by Neice 
math 4th grade
is 80 sq feet the size of a kitchen or is it 8 sq ft
asked by spencer 
8th grade math
The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals ½. What is the original fraction?
asked by HELP 
Math
we are working on a puzzle similar to a magic square. 9 boxes are arranged in an X with the center box being shared by both diagonals. the goal is to use each integer 19 one time so that each diagonal sums to 26 and the 4 corners sum to 26. HELP
asked by Chuck 
science
we have a project. there are different kind of topics. mine is protecting our water. i had to find 10 questions answer. i couldn't find 2. they are: 1. why is water important to protect? 2. what are some negative and positive affect of protecting our
asked by Shweta 
chemistry
whatmass of (NH4)3SO4 is required to prepare 500cm3 of m/4 solution
asked by kim 
maths
Hi Please can you help? Find the particular solution of the differential equation from dy/dx=2/27(x3)ã(x^26x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this particular solution in explicit form? thank you in advance for any help regards
asked by Claire 
MATH
A JUMPROPE IS MEASURED BY GRAMS OR KILOGRAMS
asked by CHRIS 
chemistry
How much 5 M NaOH can be made with 50 gram of NaOH? please show me your steps
asked by smith Descomb 
MATH
A DICTIONARY,CUBE AND A GEOBOARD IS MEASURED BY GRAMS OR KILOGRAMS
asked by CHRIS 
Introductory Physics
I am really nervous about mathematics, so I just want to make sure I am doing these problems correctly. I figure if I am getting the incorrect answer, I must be doing them incorrectly and need to work on them some more. I THINK I have them correct, but I
asked by Cecelia 
Earth Science
Compare the general temperature and direction of flow of the current that flows off the east coast of the United States with the temperature and direction of flow of the current that flows off the west coast of the United States.
asked by Danielle 
PLEASE HELP! Google?
Sorry I'm posting again. I need to find the obesity rates of the countries Romania, Russia, and Rwanda by gender. (for example ___ percent of Russian women are overweight; _____ percent of Russian men are overweight). I can't find any websites! D: Anny
asked by Nicki 
strayer
For this Discussion, read the following scenario, and then address the following question in 1–2 paragraphs: For the month of August, 12 new cases of tuberculosis and 12 new cases of West Nile virus infection were reported to a county health department.
asked by pamela 
Math
Evaluate the identity (cos^2xsin^2x)/(1tan^2x)=cosx^2X
asked by Katelyn 
math
set out in tens and ones 32 + 10 = 43 + 54 = 28 + 61 = 15 + 73 =
asked by caleb 
calculus 2
integrate x^5/(x^2 + sqrt(2)) using a table of integrals
asked by Dana 
math test prep
Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3 4 of the original price, p . She has a $40 discount coupon she will use during the sale. Which equation should Ms. Snyder use to find the final price, f , of a
asked by destiny 
Music
What does the G/B chord mean, on guitar? Why is it called G/B?
asked by Aestas 
math
draw three differentiy shaped cross sections of an ellipsoid
asked by om 
accounting.plz urgent
If an item is purchased with terms of 2/EOM, n/60, there is a discount for paying within 60 days
asked by ashh 
algebra 2
(9+4i)+(13+7i)
asked by briana 
Algebra
This problem has been very hard for me. I would appreciate it if someone could maybe help.. Solve: 2a  b = ac + 3b for a I came up with a = c + 4b but I really don't know..
asked by Lace 
Math
What is the probability of drawing a heart or a diamond from a standard deck of 52 playing cards? I got 1/2, is this correct?
asked by Sammy 
math
sketch the region by the given curves y=1+sqrt(x),y=(3+x)/3
asked by nungpuy 
Teaching Special Education
(1) Create a PowerPoint presentation (PPT) that defines and describes selfdetermination. (a) Include the process of teaching selfdetermination and the outcomes (15 slides required). (b) Cite references intext (three references required). (c) If
asked by anissa 
Spanish
can you check the accent marks. First poem No sé qué te diera, por una mirada… un mundo, por una sonrisa… el cielo, por un beso… ay no sé que te diera por un beso second poem Veo la luna y la luna ve a mí Que Dios bendiga la luna, y bendiga
asked by anon 
Math
Heres a challenge: six students(4 boys and girls) were divided into three pairs. given this information. What is the probability of 2 girls making 1 pair? Express as a common fraction. Oh and please explain!!
asked by Samantha 
math
ydy+xe^xcos^2ydx=0
asked by jesmin 
computer
In 256PSK, how many bits will each symbol be able to represent?
asked by Durgish 
math
Find a ratio that would form a proportion with these ratios: 1) 7/9 2) 4/7 3) 30/36
asked by Amy 
Math
solve::: A=1/2(a+b)h
asked by Sara 
Geometry
Find the area of this quadrilateral with the given vertices: A(8,6) B(5,8) C(2,6) D(5,0)
asked by shannon 
5th grade input/output
How do I write the equation for this input 0 2 4 6 8 output 21 19 17 15 13?
asked by Eric 
writing
Can you check to see if this looks and sounds better please? Dear Jordyn, I am thrilled you’re moving back to town and looking for a job. My boss, Mrs. Cartucci, is seeking a personal assistant to help manage the sales department at JR’s Fashions. The
asked by jacqui 
Math
do I multiply or divide (in this case by 4 or 2) to find a ratio that would form a proportion with 16/84?
asked by Amy 
science
what is the difference between kinetic and potential energy in a five sentence summary
asked by julien 
Math
solve for the conic in the equation y^26y+12x+33=0
asked by Dolly 
physics
(5m/s)t+ (0.75m/s3)t3 what shape is the graph?
asked by g 
English  Native speakers
Do you write North South East West with a capital letter? Why do you write then: He lives in north London?
asked by Mark 
math
A tree is 15m tall. If George is looking at the top of the tree at a 15 degree angle and Tina was looking at the tree at a 30 degree angle, how far apart are Tina and George?
asked by Jessie 
chemistry
How would you make 250 ml of a .51M calcium hydroxide solution?
asked by Sarah 
writing
I need to know if my paragraph is properly punctuated. Dear Jordyn, I am thrilled you’re moving back to town, and looking for a job. My boss, Mrs. Cartucci, is seeking a personal assistant to help manage JR’s Fashions sales department. The skills
asked by jacqui 
English
How is the accessory to murder charge processed in the Italian court system?
asked by T.L 
trig
For which angles ¦È, with 0¡ã ¡Ü ¦È ¡Ü 180¡ã, is sin 3¦È = 1? How do I set this up?
asked by sejul 
math
3 1/5 x 2 5/6 express in simplest form
asked by mark 
positive psychology
what are the central themes?
asked by Anonymous 
geometry
Find sinA to the nearest hundreths side a=7 and side b=5
asked by Isa 
math
0.001 is greater than or lesser than 3/100?
asked by cassandra 
algebra
wat is 3 1/2 as a decimal
asked by Anonymous 
chemestry
When you lowered the pH of your combined aqueous NaOH extracts, you observed precipitation of benzoic acid. Explain what happened during this acidification and why the precipitation of benzoic acid occurred.
asked by Ami 
geometry
For questions 19, find the surface area and volume of each figure to the nearest tenth.
asked by yw 
math
how do you find the area of a figure
asked by paskelly 
grammar
i need help in creating these kid of sentences a) a sentence that expresses uncertainity about a price b) a sentence that contains an abbreviation for a tittle MY SENTENCE: (The BBC provides UK and worldwide weather services.) is it right??? c) a forceful
asked by plz help 
Percentages
To find out your grade on a calculator? you just divide your score out of the number of questions, right?
asked by Allyson 
writing
please tell me if this sounds ok. I am responding to the advertisement posted on your website. I understand you are looking to hire a Medical Coding and Billing Specialist at your Voorhees location. I worked as a Repricing Coordinator for almost four years
asked by jacqui 
Chemistry
A sample if liquid water (30g)heats up from an initial temperature of 20C to 78C. How much energy did it take in?
asked by Jasmine 
Calculus
Determine the points of inflection of the function. f(x) = x + sin x (−2π ≤ x ≤ 2π) I'm still completely confused
asked by Starr 
ryhme scheme
6 grade poetry plz help im dislexic and retarted
asked by papa jack 
math algebra
Would the answer be A(n)= An When doing the product rule? not sure about it help if you can thank you.
asked by SO LOST 
english
She gave birth to her first child by her uncle at age 14 in 1990. This is showing a sign of being raped. Does this works? The psychologist help Alesha to break through her issues by using cognitivebehavioral therapy. Is "to" necessary or should take it
asked by Jackie 
math
274 is 25% of what number?
asked by bob 
spanish
Make the following word agree in spanish: Un ,abuelos ,amables and traslate them
asked by Jenny 
Math
Isabella is buying clothes. There is an 8% sales tax on the clothes is $147.85. Approximately how much tax must Isabella pay?
asked by HelpPlease Olivia 
chem
what degree celcius is read when pressure is 100mmHg?
asked by kim 
physics
how does a cardboard boat float?
asked by ashley  HELP PLEASEE!!! 
Science
A (blank) compound is one that burns regularly
asked by Bob 
english
what are some human rights
asked by Shweta 
Social Studies, English
I need to find the obesity rates of the countries Romania, Russia, and Rwanda by gender. (for example ___ percent of Russian women are overweight; _____ percent of Russian men are overweight). I can't find any websites! D: Anny help would be appreciated.
asked by Anonymous 
English (Syllogisms)
SyllogismsWhich are valid? Correct the invalid ones. Brain Surgeons save lives. Marie is a brain surgeon. Therefore, Marie saves lives. An English Bulldog is a dog. All dogs have four legs. Therefore, English Bulldogs have four legs. All humans grow. All
asked by Roger 
Math
A carpet cleaner can be rented for a fee of $55 plus $5 per hour. If you rent the carpet cleaner for 3/4 of a full 8 hour workday, how much money will you be charged?
asked by Ally 
UOP
HOW HAS HUMANS AFFECTED THE ANTARCTIC FOOD WEB I am a tax preparer and got swamped, now My paper is so late. Help, this is case we have to analyze. 700to900 word analysis of the case at bottom and these questions in the analysis: o Identify any
asked by BEA 
math
For which angles beta, with 0 degrees less than/equal to beta less than/equal to 180 degrees, is sin 3beta equal to 1? a) 30 degress and 150 degrees b) 60 and 120 degrees c) 90 degrees d) 0 and 120 degrees I think it is C because sin of (3 x 90 = 270) 270
asked by Sejul 
math
what is 24\11 times 21\2
asked by Anonymous 
Literature julius Caesar
What are 3 purposes for shakespeare showing us scene 3. Consider antonys speech, what is likely to occur in the rest of the play, and the role of language in politics. any good ideas? thanks
asked by Gabrielle 
Vancouver
Are there monuments in Vancouver? Would these be considered as monuments? The Stanley Park Granville Island Robson Street
asked by Alice 
math
what square number is less than 64 but greater than 36? write a multilication sentence to solve.
asked by carli 
physics
It takes 15 seconds for a wave to pass a buoy 25 meters from shore. If its wavelength is 30 meters, what is its speed.
asked by k 
math
8x+16÷x^(2)1 . x+1÷4x+8
asked by k 
math
Which is bigger 98in. or 5yd.
asked by Shay 
math
help !! the area of a rectangle is 56 square inches. the width of the rectangle is 7 in. what is the length??
asked by santos 
Com/155
Explain why using pronouns may help make your writing more effective?
asked by Monica 
adult developement
After combing through the research on twin studies, one could conclude that
asked by Anonymous 
physics
hi im trying to do a problem that involves multiple battereis, one capacitor,and multiple resistors, and im told that the circuit has been connected for a very long time... i found the current passing through each battery using kirchoffs rules, but now i
asked by APpreciative student 
Physics
How do you show that the kinetic energy is equal to the atoms rest energy when its velocity equals .886 times the speed of light? Thanks in advanced!
asked by Barbra 
English
Can you please check these few sentences, please? Thank you. I'm not sure about the paraphrasis of a Will Smith's song. 1) The members of Sinn Fein protested (I need a synonym) about the discrimination against Catholics. 2) Heavy bomber raids continued on
asked by Mike 
grade 7 math
how can you figure out the length of a shadow if you walk closer to a lamppost?
asked by melissa 
physics
A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 4.9×105 N, how long does it take to increase the speed of the train from rest to 74 km/h? Answer in units of min.
asked by jenn