Questions Asked on
January 14, 2013

Math
Solve the equation sin2x=2cos2x, for 0 degrees
asked by Charles 
math
The butcher shop sells a 3 lb package of chicken legs for $9.57. The supermarket sells chicken legs for $7.68/kg. Determine the price per kilogram that each store charges. Which store has the lower price per kilogram?
asked by alan 
Precalculus/Trig 5
A radio transmission tower is 120 feet tall. How long should a guy wire be if it is to be attached 15 feet from the top and is to make an angle of 26 degrees with the ground? Give your answer to the nearest tenth of a foot
asked by Anonymous 
Physics
A carnival ferris wheel completes five turns about its horizontal axis every minute. What is the acceleration of a passenger at his/ her lowest point on the ride? I understand that 1/f= T which is how you find the period and that minutes must be converted
asked by Kinematics 
Derivatives
Ship A is 70 km west of ship B and is sailing south at the rate of 25 km/hr.ship B is sailing north at the rate of 45 km/hr.how fast is the distance between the two ships changing 2 hours later?
asked by Dani mak 
Chemisty
The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.270 M NaOH. What volume of NaOH is needed to reach the end point of the titration? What was the initial concentration of HCl?
asked by Paul 
Physics
A carnival ferris wheel completes five turns about its horizontal axis every minute. What is the acceleration of a passenger at his/ her lowest point on the ride? I understand that 1/f= T which is how you find the period and that minutes must be converted
asked by Kinematics 
statistics
El Nino and the mosoon. The earth is interconnected. For example, it appears that El Nino, the periodic warming of the Pacific Ocean west of South America, affects that the monsoon rains that are essential for agriculture in India. Here are the monsoon
asked by Anil 
consumer math
Joe McCain purchased 5 $1,000 bonds at 89. The bonds pay 6%. What was the cost of the bonds? $4,450 ? What was the total annual interest? What is the yield?
asked by jenny 
English
1. George Bernard Shaw criticized The Importance of Being Earnest for A.)being too long. B.)not being funny. C.)not having real substance. 2. Choose the word below that best completes the sentence: He’s incredibly ___________; he just can’t make up his
asked by Deborah 
Physics
Hi. I am Walter White. I am good at chemistry but suck at physics. Can you help me?  Bob is traveling in a very fast space (v=0.8c) away from Alice, who is sitting still in an observatory watching him through a very
asked by Walter White 
Math
Evaluate 1/2a^–4b^2 for a = –2 and b = 4. A.)2 B.)1/2 C.)3 D.)4 I think it is D. Thabk You.
asked by Deborah 
4th grade math
Barb is making a bead necklace. She strings 1 white bead, then 3 blue beads, then 1 white bead, and so on. Write the numbers for the first eight beads that are white. What is the rule for the pattern. Please help me explain this to my 4th grader
asked by Barb 
MATH!
the 2000 population of Jacksonville,Florida was 736,000 and was increasing at the rate of 1.94% each year. At that rate, when will the population be 1 million?
asked by hana 
Math
Simplify (2t^–3)^3(0.4r)^2 A.)3.2r2 B.)1.28r^2/t^6 C.)1.28R^2/t^9 D.)0.8r^2/t^6 I think it is A. Thank You.
asked by Deborah 
PLEASE HELP ME IN THIS PHYSICS PROBLEM
A heat transfer of 9.5 x 10^5 J is required to convert a block of ice at 15°C to water at 15°C. What is the mass of the block of ice?
asked by JOHN 
math
the sum of the reciprocals of 3 consecutive positive integers is 47 divided by the product of the integers. what is the smallest of the 3 integers
asked by alex 
Chemisty
The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.270 M NaOH. What volume of NaOH is needed to reach the end point of the titration? What was the initial concentration of HCl?
asked by Paul 
Precalculus/Trig 5
A radio transmission tower is 120 feet tall. How long should a guy wire be if it is to be attached 15 feet from the top and is to make an angle of 26 degrees with the ground? Give your answer to the nearest tenth of a foot
asked by Anonymous 
Science
Nathaniel is driving his sports car down a four lane highway at 40m/s. He comes up behind a slow moving dumptruck and decides to pass it in the left hand lane. If Nathaniel can accelerate at 5m/s^2, how long will it take for him to reach the speed of
asked by RANDY 
math pre calc
solve sin theta = 1/2,90 degrees less than theta less than 180 degrees
asked by Rosagne 
Physics
A brick is dropped from a high scaffold. (a) What is its velocity after 4.5 s? m/s (b) How far does the brick fall during this time?
asked by Billy 
Consumer Math
Will you please check my answers? 1. Your employer has 600 business cards printed for you, and you give away 280 of them. To the nearest hundredth, what percent of the cards is left? A. 18.75% B. 53.33% C. 46.67% D. 21.43% 2. The LCD for the fractions 1/3,
asked by Macy 
Physics
The driver of a car on a horizontal road makes an emergency stop by applying the brakes so that all four wheels lock and skid along the road. The coefficient of kinetic friction between tires and road is 0.39. The separation between the front and rear
asked by zack 
music
The composer utilized the minor mode in Symphonie fantastique to represent A. joy and love. B. gloom and ferocity. C. solemnity and brilliance. D. earthiness. I'm thinking B .
asked by Bobby 
Statistics  Please help
Here are the monsoon rains (in millimeters) for the 23 strong El Nino years between 1871 and 2004: 628 669 740 651 710 717 698 653 604 781 784 790 811 830 858 896 806 790 792 957 872 a. To make the stemplot of these rainfall amounts, round the data to the
asked by Anil 
math
The sides of a square with an area of 49 cm2 will be reduced by a scale factor of 5/8. Determine the area of the reduced square to the nearest square centimetre.
asked by jenny 
algebra
Jane Investor purchased a $10,000 bond at 90. The annual interest is 5%.
asked by jenny 
Math
1. The curve y=10/2x+1 2 intersects the xaxis at A. The tangent to the curve at A intersects the yaxis at C. (i) Show that the equation of AC is 5y+4x=8 (ii) Find the distance of AC 2. The equation of a curve is y=1/6(2x3)^34x (i) Find dy/dx (ii) Find
asked by Stephen 
math
While sailing, Donna sees a lighthouse and calculates that the angle of elevation to the lighthouse is 3d, as shown in the accompanying diagram. When she sails her boat 700 feet closer to the lighthouse, she finds that the angle
asked by Anonymous 
consumer math
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%. What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)?
asked by jenny 
consumer math
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%. What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)?
asked by jenny 
algebra
Given a set of data pairs, how would you decide whether to use interpolation or extrapolation to find a certain value?
asked by carly 
Math
On Saturday Miguel spent 2 hours and 30 minutes at basketball practice and 90 minutes at his pastry chef class. How much total time did Miguel spend doing these two activities? 4hours? Una is painting a chair She finished painting the first coat at 10:42
asked by Jerald 
world civilization
What motivated western Europeans to explore and colonize in the wider world?
asked by chris 
math
Hey please help me with this word problem! IN 5 DAYS MIKE'S GAS STATION SERVICED 20,45,100,85,&60 CARS WHAT WAS THE AVERAGE NUMBER OF CARS SERVICED EACH DAY?
asked by pink 
Math
Will you please check my answers? 1. Mary Stevens earns $6 an hour at her job and is entitled to timeandahalf for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time.
asked by Macy 
algebra
1 A + (B + C)= (A + B) + C associative scalar quantity dot product 2 2 2 3 Two systems of linear equations involving the same variables are said to be _______ if they have the same solution set. set associative equivalent parallel 4 Compute the determinant
asked by Mandung 
math
is 2/11 a rational number? if yes pls explain and if not alsopls explain
asked by solange 
Physics
A bag is dropped from a hovering helicopter. The bag has fallen for 1.8 s. What is the bag's velocity? How far has the bag fallen?
asked by Billy 
Physics
You take a ride in a fast elevator to the top of a tall building and ride back down while standing on a bathroom scale. During which parts of the ride will your apparent and real weights be the same? During which parts will your apparent weight be less
asked by Billy 
Physics
A hockey puck has a mass of 0.120 kg and is at rest. A hockey player makes a shot, exerting a constant force of 29.5 N on the puck for 0.16 s. With what speed does it head toward the goal?
asked by Billy 
math
solve by using subsitution: 4x+y=2 3y+2x=1
asked by Taylor 
physics
A small sphere of mass m=.0064kg and charge q1= +28.9 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2= 58nC is located below the first charge by a distance d= 2.00cm. a. Find the Tension in the
asked by Matt 
physics
Two objects are approaching an intersection. One is a 50 kg traveling at 8 m/s from east to west and the other is a 40 kg going from south to north at 12 m/s. (a) Find the x and y components of the net momentum of this system. (b) What are the magnitude
asked by tami 
physics
A bullet of mass m=10 g is fired with initial speed vi = 400 m/s into a block of mass M=2 kg initially at rest at the edge of a frictionless table of height h=1 m as shown in the figure. The bullet remains in the block, and after the impact the block lands
asked by tami 
Chemistry
An aqueous solution of ethanol is 14.1M C2H5OH. The density of the solution is 0.853g/mL. What is molality of ethanol in the solution? What is mass % of ethanol in solution? I got the molality which is 21.7 ethanol, but I can't figure out how to get the
asked by Robert 
Math
1. Use the commutative property to show both arrays you can represent using the factors 3 and 5. 3x5=5x3
asked by Hayden 
music
Which of the following works helped to redefine the symphony as a genre? A. Beethoven's Sixth Symphony B. Beethoven's Fifth Symphony C. Symphonie Fantastique D. Beethoven's Ninth Symphony Im thinking its B, right?
asked by Bobby 
Physics to be solved
a horizontal scaffold, of length 2.00 m and uniform mass 50.0 kg, is suspended from a building by two cables. The scaffold has dozens of paint cans stacked on it at various points. The total mass of the paint cans is 79.5 kg. The tension in the cable at
asked by zack 
physics
2. A car accelerates uniformly from +10.0 m/s to +40.0 m/s over a distance of 125 m. How long did it take to go that distance? Show all your work, including the equation used, given and unknown quantities, and any algebra required. Make sure your answer
asked by Anonymous 
science
you are riding to school on the bus in a snowstorm. through the window, you see a lighted sign that gives the temperature as 26 degrees, but you can't make out whether the temperature scale is Celsius or Fahrenheit. which is it and how do you know
asked by Taylor 
english poem
As fair as morn, as fresh as May, a pretty grace in saying nay, Smil'st thou sweetheart? then sing and say, Ta na na no, But O! that love enchanting eye, Lo, here my doubtful doom I try, Tell me my sweet, live I or die? She smiles, fa la la la, Ah, she
asked by Riana 
Chemisty
0.550 L of 0.420 M H2SO4 is mixed with 0.500 L of 0.270 M KOH. What concentration of sulfuric acid remains after neutralization?
asked by Paul 
Chemistry
Using Werner Hesienbergs uncertainty principle delta x >h/ (4pie*m*delta v) when mass of electron is 9.11x10^31kg what is the uncertainty in the position of an electron moving at 9x10^6 m/s with an uncertainty of delta v= 0.01x10^6m/s
asked by Brooke 
math
Julia and Bianca both leave the college at the same time, but in opposite directions. If Bianca travels 9 mph faster than Julia and after 4 hours they are 140 miles apart, how fast is each traveling?
asked by mathew 
Mechanics & hydromechanics
Find the magnitude and direction of the equilibrant of two forces, one being a horizontal pull of 18 N and the other a pull of 23 N at 50 degrees to the 12 N force.
asked by joe 
math
A group of 132 students chose baseball and soccer as their favorite sports in the ratio of 3:8. How many students chose soccer as their favorite sport?
asked by Tyler 
Mechanics & hydromechanics
Three forces pulling on a body are in equilibrium.The direction of one is due south, the direction of another is 80 degrees east of north, and the third force acts in the direction of 35 degrees west of north.If the magnitude of the southerly force is 38
asked by joe 
coordinate algebra
Jon is flying an airplane.He is currently 3,5000 feet in the air and he is ascending at a rate of 500 feet per minute.How many minutes it will take him to reach a height of 9,000 feet
asked by jack 
Mechanics & hydromechanics
A block of wood is pulled along a Horizontal table by a force of 33 N inclined at 30 degrees above the Horizontal.Find the vertical and horizontal components of the force.
asked by joe 
social studies
people how developed th caste system
asked by angie 
Geometry
Picture given with problem: media.glynlyon(dot)com/g_geo_2012/12/img_geou12abc_8.gif If AC = 20, AE = 25, and AB = 5, what is the length of AD? Please explain how this is found, I've got a few problems like this and have no idea how to do it.
asked by Will 
Government Precedent questions
I need some help with these. IN Everson V. Board of education, what was the precedent? In Engle v. Vitale, what was the precedent? And in, Wallace vs. Jaffree, the precedent is..? Please help me out there. Thanks!!
asked by Allyson 
Math
Jackie has a babysitting business and works 4 days a week.She works 4 hours on Mondays afternoon , 3 hours on Tuesdays evenings, 5 hours on Fridays ,and 8 hours on Saturdays. She makes $16 an hour. How much money will Jackie have made after 6 weeks? Please
asked by Gorge 
chemistry help plz
OHOHbenzene ringCH=CHNH2 is anyone knows the name of this compound?
asked by lena 
Reading/language arts
I need help. Can someone help me to make a sentence for DIMWITTED and NEARSIGHTEDLY.
asked by Gigi 
7th grade art ASAP please
1. This occurs when an animal, object, or idea is given human form or characteristics. (1 point) literalism symbolism personification allusion 2. This occurs when you make reference to a wellknown character, person, place, or event from life or
asked by Delilah 
Math
During the week, the basketball team practices 80 minutes for 3 days and 2 1/2 hours on Saturday. How long does the team practice during the week? A390min B.242min C.85.5min D.272min A?
asked by Jerald 
Science
Please complete the formula and process in arriving the answer. Please. Thank you. Nathaniel is driving his sports car down a four lane highway at 40m/s. He comes up behind a slow moving dumptruck and decides to pass it in the left hand lane. If Nathaniel
asked by RANDY 
math
I need help figuring out the formula for this problem. What might the lengths of a horse enclosure border be if the enclosure is 52 square feet? I have to show my work. Please can someone help me figure it out?
asked by Ashley 
Chemistry
How many types of stoichiometry are there? Can you list them? Thanks I appreciate it!
asked by Kayla 
Government Law question
What kind of law is it when judges make the law by their decisions on the bench? ___ Law
asked by Allyson 
Art
This is where an interior designer does most of her work. (1 point) in a factory at the client's home in an office in a studio
asked by RainbowDragon 
its urgent math i need the answer fast
Price: 5.49 Unit Rate: 0.04 Price: 1.50 Unit Rate: 0.02 how much would you save in one year?
asked by James 
Art
When looking at fabrics, an interior designer will focus on these characteristics. (1 point) shape and form space and color color, texture, and pattern proportion and emphasis
asked by RainbowDragon 
Math
Hello everybody! May I ask you a big favor? I need help. What I have is: A bag contains marbles of three different colors with at least three marbles of each color. Three marbles are randomly selected, without replacement. How many different color
asked by mathstudent205 
Maths
The radius of a circle is 8cm, and the length of one of its chords is 12cm. Find the distance of the chord from the centre.
asked by Priyanka 
chemistry@@@
Explain what the terms chiral atom and chiral molecule mean. write in three sentences.thanks
asked by Erika 
arithmetic
Using math to fine 9:20 am to 5:05 pm
asked by Margie 
Math
This is a continuation of a math problem I posted earlier. I'm a little confused by this question. From your equation, when during the day would the temperature be 30C? (2 marks) The equation I obtained was: T(t) = 5.9 sin( πt/12 + 7π/6 ) + 27 Any help
asked by Anonymous 
PreAP physical science
What is the best way to setup my science fair project that is 40% of my 2nd semester grade and credits ?? A little lost
asked by Lily 
statistics
. Using the central limit theorem, construct a 95% confidence interval for the average total cry time for infants in the control group and infants in the intervention group. For this question only, assume that the standard deviation of cry time within each
asked by Anonymous 
Reading/language arts
I need help. Can someone help me to make a sentence for DIMWITTED and NEARSIGHTEDLY.
asked by Gigi 
statistics
Twosample Nonparametric Test Now, we examine the relationship between cry time and group among infants at Northbay. 1. Suppose we wish to perform a twosample test, but we do not want to make any normality (or other strong parametric) assumptions.
asked by Anonymous 
statistics
Linear Regression In the babies.dta full dataset, generate a covariate called painind defined as 1 if the infant experienced severe pain upon receiving the shot (pain0 = 7) and as 0 otherwise. In Stata, you can use the commands: generate painind = 0
asked by Anonymous 
Math
Given the function f(x)=5x(x1)(x+7) FInd the largest nonnegative xvalue for which f(x)=0
asked by Sylvia 
math
Hello I was wondering if someone could help me with this. P=Price Q=Quantity TR = Total Revenue Price ($) Quantity 7 0 6 100 5 200 4 300 3 400 2 500 1 600 0 700 Total Revenue = P X Q We assume a linear relationship. They said that they know the demand
asked by Anonymous 
statistics
Prospective Cohort Study The following tables show the crude and sexspecific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of followup. Full Data:
asked by Anonymous 
maths
two poles are of height 20 metres and 14 metres. the wire makes an angle of 30 degree with the horizontal. find the distance between the twopoles.
asked by karuna 
Maths
A metal sphere of diameter 12cm is metted to formed a sphere of diameter 6cm calculate the number of sphere formed from the metal sphere
asked by Dayo 
ENGLISH (thanks)
"All Conflict in its simplest form its struggle between good and evil. I need a good interpretation. I cant use good and evil in the interprestation. There needs to be another word for good and evil. I don't know how to interpret without good and evil.
asked by Kevin 
maths
A 3 digit natural number is selected at random .Find the probability that it is divisible by 2 but not by 3?
asked by Anonymous 
math,geometry
evrything
asked by jsabsmndfsm, 
personal finance
Rita Smith owns 220 shares of Jefferson Carpet Mills. For the last calendar quarter, Jefferson Carpet Mills paid a dividend of $0.47 a share. What is the total amount she received in her dividend check for this quarter?
asked by Anonymous 
language arts
John Yinger thinks that the naturalborn clause should be removed because (1 point)it makes international policy more difficult. it goes against a central principle of American democracy. it damages the relationship between American citizens and immigrant
asked by awesome 
chemistry
Calculate the molarity of each ion in 0.500 M (NH4)3PO4. Enter a zero for an ion that doesn't occur in the compound.
asked by kid 
quality of care
How do you define " quality of care? Does the healthcare manager define it? Does the patient define it? Does the third party payor define quality of care?
asked by Norma 
math
solve by using subsitution: 4x+y=2 3y+2x=1
asked by Taylor 
geometry
distint points a, b, c, d, e, and f are marked on a circle. How many triangles can be formed using these points as vertices?
asked by please help 
math
ms fuller has 2 2/6 pies left over from her party.write the number of pies left over as a fractor greater than 1
asked by zarion 
algebra
1 Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2ab3c= 8, 5a+2b+c=9. Sove for a 2 4 7 3 2 Solve the set of linear equations by Guassian elimination method : a+2b+3c=5, 3ab+2c=8, 4a6b4c=2. Find a 1 4 5 1 3 Solve the set of
asked by Mandung 
math in physics
find the force if f between charges of 100mc 50mc located 50cm a part?
asked by mark jayson 
Phy
A 2.0 kg ball is placed against a spring of force constant 750N/m, which has been compressed 0.28m. The spring is released and the ball moves along a horizontal frictionless surface and up a ramp. Calculate the... a) maximum elastic potential energy of the
asked by Shanelle 
math
A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? (1 point)
asked by Prime 
math please help imedietely
Mirette wants to plant bulbs in patterned rows in her garden. Each row will have 12 plants alternating in this pattern: red tulip, yellow tulip, yellow tulip, white tulip. If she plants 8 rows, how many bulbs of each color will she need? Please answer and
asked by Anonymous 
Curriculum Development
Alex was working on a Blues Clue puzzle.This was the favorite puzzle of all of the children in the room.After observing him for a while, his teacher, Mrs.Obrecht, believed that Alex might be experiencing an eyehand coordination problem.She may think this
asked by Sandra 
arithmetic
500 words / 8 minutes whats the unit rate
asked by 1200k 
math help
How many different 5person subcommittees can be formed from a club having 13 members?
asked by Angel 
math
the population of Smallville in the year 1890 was 6250.assume the population increased at a rate of 2.75% per year. predict when the population reached 50,000 I'm not suppose to use logs to find the answer :(
asked by hana 
social studies
During the early sixteenthcentury attitudes about mineral exploitation changed due to the influence of two important books. In effect, a new dignity was ascribed to A. metal ore mining. B. coal mining. C. precious metal mining. D. precious metal importing
asked by Anonymous 
History, social studies :)
The mughal empire gave trading rights to several EUropean countries, what assumptions about the power of those countries does this show ??
asked by Jessica 
Physics
Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun can give a small object a velocity of 4.4 km/s while moving it through a distance of only 1.6 cm. (a) What acceleration does
asked by Billy 
science
A solution contains 2 mEq/mL of KCL (Molecular weight 74.5). If a 20 mL ampule of this solution is diluted to 1 liter what is the percent strenght of the resulting solution?
asked by Felix 
math
what is the length ,in units,of a line segment with the end point(2,1)
asked by Anonymous 
Physics
A 200N box is placed on an inclined plane that makes a 35.0° angle with the horizontal. Find the component of the weight force parallel to the plane's surface.
asked by Billy 
Math
Una is painting a chair She finished painting the first coat at 10:42 AM the paint needs to dry for at least 1 hour 45 min before another coat of paint can be put on at what time will she be able to paint a second coat 12:45?
asked by Jerald 
math
how many red beads would there be a pattern with 51 blue beads?
asked by lauren 
Math!!!!!!!!!!!!!!!!!!!!!
Can you give me a fraction number story like a very good one please
asked by Coolkb 
CHEMISTY
WHICH HAS THE HIGHER BOILING POINT PENTANE OR HEPTANE
asked by Anonymous 
Math
Ms Morrison ate 1/4 of a pie then she ate another 1/8 of the pie how much pie they ate
asked by Traynasia 
Physics
a stone thrown from ground level returns to the same level of projection 4s after. with what speed was the stone thrown? Take g=10 m/s2
asked by Alex 
math
Draw a piece if yarn 3 counters long over a needle
asked by Daphanie 
physics
find the force if f between charges of +100mc 50mc located 50cm a part?
asked by mark jayson 
math
tell whether the system has one solution, infine\itely many solutions, or no solution y=3x14 yx=10
asked by Taylor 
Brown V Board of Education
Who presented this case to the NAACP? I've googled this and can't even find it.
asked by Allyson 
math
ms fuller has 2 2/6 pies left over from her party.write the number of pies left over as a fractor greater than 1
asked by zarion 
physics
find the force if f between charges of 100mc 50mc located 50cm a part?
asked by mark jayson 
Math
how many possible solutions are there to five questions and the answer to each question is either true or false?
asked by Mike 
Math
Simplify (4xy2)3(xy)5 A. 64x^8y^11 B. 64x^15y^30 C. 12x^2y^11 D. 12x^8y^11
asked by Brandi 
7th Grade Math
how many possible solutions are there to five questions and the answer to each question is either true or false?
asked by Mike 
math
solve by using subsitution: 4x+y=2 3y+2x=1
asked by Taylor 
Math
Evaluate 1/2a^–4b^2 for a= –2 and b= 4. A. 2 B. 1/2 C. 3 D. 4
asked by Brandi 
math teasers
I have these math problems form 0100. I have to use 4 fours to make an answer for that number. For Example: 1 : 4/4+44 2: 4/4+4/4 What other symbols are there besides +, , *, /, and square root.
asked by Celest 
math
tell wheter the system has one solution, infinitely many solutions, or no solution: y=3x14 yx=10
asked by Taylor 
Chemisty
The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.270 M NaOH. What volume of NaOH is needed to reach the end point of the titration? What was the initial concentration of HCl?
asked by Paul 
HELP PLEASE!!!!!!!
A teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring? Show your work. b. Does the teacher have enough juice to give each student a 12fluid ounce glass of juice?
asked by Bell 
Math
factor √7x^216√7
asked by Shannon 
math,geometry
what is the rule if the input is 1 and output is 9 and input is 2 and output is 12 and the input is 3 and output 16
asked by raquel 
math
solve by using subsitution: 4x+y=2 3y+2x=1
asked by Taylor 
math
tell whether the system has one solution, infinitely many solutions, or no solution: y=3x14 yx=10
asked by Taylor 
World Studies
As industry spread, the German government initiated reforms to improve workers’ lives. What motivated Bismarck to enact reforms in Germany? What kinds of reforms were enacted in Germany? Respond in two or more wellorganized paragraphs. Be sure to use
asked by Sierra Smith 
Creative writing
Finish what I've started of this nursery rhyme? "Little jack Horner was a little explorer, who travelled to Mexico..."
asked by Chelsea 
physics
a small conducted sphere is attached to the end of an insulating rod .it carries a charge of +5.0*109 C. the plates ,which are 4.0 cm apart, are connected to a 50 000 V supply. Calculate a)the magnitude of the electric field strenghen between the plates
asked by Anonymous 
Counting 8
How do I do this
asked by Claudia mulgado 
U Hart
The 50 kg cylinder shown, which was initially at rest, rolls without slipping. when the speed of A is 20 cm\s, the speed of point B is most nearly
asked by Jason 
Science, Heat Transfer
list 3 forms of radiation from the sun. how are they alike. how do they differ?
asked by Jade 
Math
Jemma read 16 pages of her book in 40 minutes. If she continues at that pace, how log will it take her to read the next 24 pages?
asked by Daniella 
report
I am doing a report on the Xbox 720. Where can i find info about it. example (what it looks like, when it is coming out,...) Please help
asked by Jman 
Math
4 hours 18 min 11 sec 3 hours 15 min 4 sec = 1 h 3 min 7 s 6 hours 7 minutes 42 sec + 2 hrs 12 min 38 sec= 8 hours 19 minutes 80 seconds
asked by Jerald 
chemistry
RANK THESE COMPOUNDS BY THE LENGTH OF THE CARBONCARBON BOND
asked by KEITH 
Math
If seven of the apples in a basket are red and there are 21 apples in the basket, what percent of the apples in the basket are red?
asked by Missy 
math
solve by using subsitution: 4x+y=2 3y+2x=1
asked by Taylor 
Math: solving rational equation
2/x + 5/3 = 7/x
asked by Joanne 
math
A runner starts a race at the starting line. A second runner starts at 44 yards. If the first runner moves 7 yards each second and the second runner moves 3 yards each second, at what distance will the first runner catch the second runner?
asked by andre 
Geometry
Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles are each 1.25 m long. Find the total length of wrought iron used to make the structure. Round the answer to the nearest meter.
asked by Sonya 
Statistics
The intermediate answers from some calculations based on whole number scores are X=4.3467892 and Y=3.3333. We now want to find X(2)+Y(2). After rounding, what values of X and Y do we use?
asked by Sasha 
physics
Before a collision, a 27 kg object is moving at +11 m/s. Find the impulse that acted on the object if, after the collision, it moved at the following velocities. a. 8 m/s b. 8m/s
asked by PLEASE HELP ASSIGNMENT DUE TOMORROW!!!!!!! 
Algebra
2x^28x+8=0
asked by Breanna 
chemistry
the chemical equation of nicotinic acid is C5H4NCOOH + NaOH > C5H4NCOONa + H2O i need to calculate the intial molar concentration of this acid, based on the ratio in which the acid and base react. Please help i cant figure it out,
asked by lisa 
music
In a shift from earlier thinking, the social status of nineteenthcentury composers became equivalent to that of A. lords and courtiers. B. tailors and hatters. C. woodworkers and carriage builders. D. painters and poets.
asked by Bobby 
World history
what were the religious and sociale ffects of the counterreformation?
asked by Angel 
Trig
log base b 64  log base b 16 = log base 4 16 solve for the variable.. i got to the part as far as: (log 4/log b) = 2 now i m stuck at how i can isolate the b. plz help!
asked by Anonymous 
S.S.
1. At current rates of use, known supplies of oil and natural gas may run out in less than _____ years. (1 point) 10 100 500 1,000 2. Which country consumes more oil, or petroleum, than it produces? (1 point) Mexico Iran United States Russia 3. Minerals,
asked by This Girl 
physics
what is the kinetic energy of a 3 kg 20 cm diameter bowling ball with a linear velocity of 4m/s? (rolling and spinning)
asked by Anonymous 
math
Estimate the product of 2/3 and 31. Describe your method. Please help me.
asked by Anonymous 
math
what number has the mode of 15 the minimum of 5 maximum of 20 and median of 10
asked by rylee 
Fractions
would you eat more if you ate 1/3 of a small pizza or 1/3 of a medium pizza
asked by Spencer 
math
find two fractions with a sum that is greater than 3/4 and less than 15/16. Write your fractions in simplest form and find the actual sum.
asked by nainai 
math
find two fractions with a sum that is greater than 1.6 but less than 1.9. write your fractions in simplest form and compute their exact sum.
asked by nita 
math
how do you solve ratios in proportional
asked by terrinae 
english(easy!) my mind cant decide :(
what is the setting for Disney's Snow White and the Seven Dwarf?
asked by hana 
Physics
how fast would you have to be traveling at in a spaceship in order to appear to age 20% slower than your classmate left behind on earth
asked by Joe Mama 
algebra
solve by graphing 1.80+.2x=y 2.10+.15x=y solve by graphing 20+20x=y 20025x=y
asked by hernan 
Early Childhood Education Interpersonal Skills
As an Educational Assistant you are leading a group converstation with 12 grade 4 students. They are having a discussion about the story that they have just read about a boy who has stolen a toy from a local corner store. The conversation has turned to the
asked by Sally J Raphel 
physics
a person lifts a 4.3 kg centimeter block a vertical distance of 1.10m. and then carries the block horizontally a distance of 10.0m. How much work is done by the person? How much work is done by gravity?
asked by Kalynn 
physics
a person lifts a 4.3 kg centimeter block a vertical distance of 1.10m. and then carries the block horizontally a distance of 10.0m. How much work is done by the person? How much work is done by gravity?
asked by Kalynn 
biology
what is the importance of islands in the study of evolution?
asked by annie 
Physics
A gas is confined in a 0.47mdiameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The atmospheric pressure is 101 kPa. (a)What is the force (in Nt) exerted on the gas by the piston, the weight and
asked by Thao 
Social Studies help needed
1. At current rates of use, known supplies of oil and natural gas may run out in less than _____ years. (1 point) 10 100 500 1,000 2. Which country consumes more oil, or petroleum, than it produces? (1 point) Mexico Iran United States Russia 3. Minerals,
asked by This Girl 
Math
3 1/4 + 2 3/4 =
asked by Alinna 
math
During the dinner rush, a certain restaurant cooks about 25 pounds of spaghetti per hour. How many grams of spaghetti do they cook per second?
asked by Marco 
Math
What is 1/2 as a percent
asked by Alinna 
science
An object with a mass of 11.4 kg experiences a force of 13.68 N. What is the acceleration of the object?
asked by Anonymous 
Math
Draw and label a Venn diagram for the intersections of these sets. A= 2,4,6,8,10 B= 5,10,20,30,40 I do not understand this
asked by Alinna 
Social Studies
when was the israelite found
asked by josiah 
Math
Twice a number is greater than half that number by 24. Find the number.(ModelDrawing)
asked by Crystal 
science
How can you group paracrine, endocrine, and neurotransmitter into two groups? (3 different ways to condense them)
asked by jon 
math asap
10+3(1+p)=
asked by noah 
coordinate algebra
Jon is flying an airplane.He is currently 3,5000 feet in the air and he is ascending at a rate of 500 feet per minute.How many minutes it will take him to reach a height of 9,000 feet
asked by jack 
english
birds hidden in nests from fear of cold is this sentence correct?
asked by Riana 
math
which digits are in the ones place of a number multiplied by 5? a.0 or 1 b.0 or 5 c.2 or 4 d.2 or 5 Is it b????
asked by mark 
math
which digits are in the ones place of a number multiplied by 5? a.0 or 1 b.0 or 5 c.2 or 4 d.2 or 5 Is it b????
asked by mark 
math asap
4(7+a)3=
asked by noahc 
cccs
f/11 < 9
asked by Tanya 
Physics conceptual questions
You have a drink that you want to cool off? You could put in 100 g of ice or 100 g of water, both at 0 degree C. Which one would be more effective in cooling your drink? Why?
asked by Bill 
Lead Nitrate
I want to make a 10% Lead Nitrate Reagent solution. How do I figure out how much lead nitrate to D.I. water do I use? I am making 100ml
asked by Mechelle 
math 7 th grade asap
6(b4)=
asked by noahc 
How to Find the Minimal Volume?
A sealed flask contains 0.60 g of water at 28 degrees celcius. The vapor pressure of water at this temperature is 28.36 mmHg. What is the minimum volume of the flask in order that no liquid water be present in the flask?  I
asked by Amy 
URGENT Chemistry Question!
This might be a silly question, but... Is 68 on the pH scale considered neutral? If so, 6.23 pH is neutral and 8.78 should be considered basic. Is this correct?
asked by Alisha 
math
what is the rate per second pf a jetliner that is traveling at a rate of 846 km/h
asked by joel suchy 
chemistry
electrostatic interaction is important with what type of bond
asked by kevin 
math
Alice is giving a book as a gift that is 8 3/8 inches long and 6 1/2 inches wide. Will the book fit in a box that is 8 1/2 inches long and 6 1/2 wid or in a box that is 8 inches long and 6 inches wide?
asked by josh 
Math
The position vectors, r km, and velocity vectors, vkm/h, of two boats at a certain time are given by Boat A: 10 am, r(a) = 6i+10j, v(a) = 8i2j Boat B: 10:30 am, r(b) = 8i+5j, v(b) = 4i+j If the boats collide, find the time when they collide as well as the
asked by Joel lu 
Math
A ship is traveling due north. Every 30 mins,the captain corrects his course by a certain number of degrees.Here are the corrections made during the first four hours of the voyage: 5,7,3,2,6,8,4,6 ps theres degrees in the numbers Note:in marine
asked by Natalie 
social studies
Why are ports and harbors good places for people to find jobs?
asked by Risaiah 
calculus
A box of rectangular base and an open top has a surface area 600 cm2. If the height of the box is equal to its width, find the dimensions that give a maximum volume.
asked by ayah 
Math
Find the Pythagorean triple with the following equations: m=2, n=3... I'm thinking its a no solution?
asked by Millie 
math ASAP please
4(7+a)3= 10+3(1+p)= 6(b4)=
asked by noahc 
Math
Explain how can you use to find 2,100 divided by 3?what is the quotient?
asked by Lize 
fractions greater than one.
ms.fuller has 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1.
asked by kineda 
5th grade Language Arts
I have a couple of phrases/sentences that need to be labeled as a type of figurative language. 1. Pitter Patter, raindrops are falling from the sky. (could this be onomatopoeia or personification?) 2. Boil the butter and bring it by the bank. (could this
asked by Alex 
Physics
A diver (mass = 75.0 kg) walks to the end of a flexible diving board. The end of the board bends down a distance of 0.55 m. The diver's weight on the diving board makes it behave like a spring. a) Determine the spring constant of the diving board. b)
asked by Shanelle 
math
Price: 5.49 Unit Rate: 0.04 Price: 1.50 Unit Rate: 0.02 how much would you save in one year?
asked by regdsa 
music
. Beethoven's greatest psychological challenge as a composer was A. coping with his worsening deafness. B. the unrealistic expectations of his patrons. C. his resistance to finishing works he had started. D. overcoming his own perfectionism.
asked by Bobby 
math
a boat cab travel 12 miles on 4 gallons of gasoline. how far can it travel on 15 gallons?
asked by tamiko 
Science
Chemistry! So a metal is found to absorb 1000 calories as it is heated from 40.0C to 60.0C. How much heat would the same sample absorb if it were heated from 60.0C to 80.0C? I know I'm supposed to use the equation Q=s x m x delta t (or soemthing) Q= energy
asked by Ari 
muniz
how much heat must be removed from 20g of water at 130 c to make 20 g water at 22 c
asked by ali 
Math
Bottom part of the greenhouse has a length of 350 cm, width of 220 cm, angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with actual dimensions. Use trigonometry to find length of the roof pieces. Use a scale of 1:25 to
asked by Anonymous 
k park
how much heat must be removed froms 20 g of water at 130 c to make 20 g water at 22 c
asked by ali 
Science
What are many of the environmental problems related to development of natural resources such as coal, oil and gas?
asked by Anonymous 
science!
What is the value of resource conservation and what are some strategies for conservation? What are some alternative energy sources that could become more mainstream?
asked by Anonymous 
Chemisty
74.0 mL of a 1.80 M solution is diluted to a volume of 248 mL. A 124mL portion of that solution is diluted using 135 mL of water. What is the final concentration?
asked by Paul 
Math
Sarah can make 6 bracelets per half hour. How many bracelets can she make in 1 hour? Find the factor for the conversion, pints to quarts .
asked by Kate 
Math
Andy said that 2,000 divided by 4=5,000 because 20 divided by 4=5 and the dividend has 3 zeros.Is Andy correct?expalin why or why not.
asked by Lize 
Math
What patterns help you divide?Draw a picture or make a chart to show how to divide 1,600 by 4.Give the quotient.
asked by Lize 
physics
a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the copper?
asked by c 
Math
Find the three twodigit numbers that divide 165 with a remainder of 0
asked by Cadmus 
futhermath
prove that 1t^2/1+t^2
asked by fridayerhauyi 
English
I have to write a 1 paragraph summary on how Alfred the Great defines, and explains irony, and how is Alfred the Great an example of irony
asked by Haley 
statistics/probability
The supply office for a large construction firm has three welding units of Brand A and three welding units that are not Brand A in stock. If a welding unit is requested, the probability is .7 that the request will be for Brand A. Find the probability that
asked by George 
hurry bedtime
4(7+a)3= 10+3(1+p)=
asked by noahc 
Chemistry
calculate the wavelength in nm of the spectral line produced when an electron in an hydrogen atom undergoes the transition from n=3 to n=2. I get 6.56x10^7 meters and 6,561.68 nm but that is not the right answer...help please!
asked by Jana 
algebra
The perimeter of a rectangle equlas the sum of the lengths of its four sides. If the width of a rectangle is 7 inches and its perimeter is 46 inches, find the length of the rectangle
asked by Anonymous 
mathsurgent
rewrite the addition sum given below using digits. Each letter is used for a different digit. Answer the questions given below i) Which digit did you find first? ii) How did you find R and U? ........F.O.U.R ...........O.N.E ....T.H.R.E.E ....T.H.R.E.E
asked by Anonymous 
english10
How does Kent’s reaction to Lear’s banishment of Cordelia introduce the theme of sight and insight?
asked by mita 
chemistry
how methane is produced or where it comes from?
asked by john 
Geometry
Assume each side of the hexagon is worth 10 units. Calculate the apothem, using the fact that it is part of a special triangle to get the answer exactly. Then use the exact value of the apothem to calculate the area of the hexagon.
asked by Brie 
Chemistry
Calculateenthalpychangeforthereaction2N2(g)plus 5O2 gives 2N2O5 Basedonthefollowinginformatin2H2(g)plusO2(g)gives2H2O(l)
asked by Worku 
physics
how far (in meters) will you travel in 3.0 minutes running at 6.0 m/s?
asked by carli 
math
5/6 ?=1/3
asked by Anonymous 
math
A male moose is 2.6 m tall and 3.2 m long, with antlers that are 1.2 m across. An artist wants to carve scale models of the moose. She uses a scale factor of 1/30. a) What are the dimensions of the carvings to the nearest centimetre? b) How many carvings
asked by alan 
science
when did the humens appear
asked by abdulwasay 
algebra
The area of a rectangle remains unchanged when it is made 5cm shorter and 5cm wider or when it is made 2cm longer and 1cm narrower. Its area, in square cm, is:
asked by pawan 
Consumer Math
Will you please check my answers? 1. Mary Stevens earns $6 an hour at her job and is entitled to timeandahalf for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time.
asked by Macy 
science
how can we finf the specific rotation of mixture of compounds like fructose and glucose if we don't knw its percentage composition in the mixture
asked by divya 
math
Mirette wants to plant bulbs in patterned rows in her garden. Each row will have 12 plants alternating in this pattern: red tulip, yellow tulip, yellow tulip, white tulip. If she plants 8 rows, how many bulbs of each color will she need? Please answer and
asked by Anonymous 
Physics
The mass of a string is 9.1 × 103 kg, and it is stretched so that the tension in it is 240 N. A transverse wave traveling on this string has a frequency of 240 Hz and a wavelength of 0.42 m. What is the length of the string?
asked by Grainne