Questions Asked on
May 17, 2012

Chemistry
How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7gFe? Fe2O3(s) + 3CO(g) => 3CO2(g) + 2Fe(s)
asked by Shelly 
chem, predicting direction of change in entropy
Predict the direction of the entropy in each reaction. a. CaCO3(s)> CaO(s) +CO2(g0 b. NH3(g)+HCl(g)>NH4Cl(s) c. 2NaHCO3> Na2CO3(s)+H20(g) +CO2 d. CaO(s)+CO2(g)> CaCO3
asked by bkue 
Probability and Statistics
A package contains 12 resistors, 3 of which are defective. If four are selected, find the probability of getting the following. No defective resistors One defective resistors 3 defective resistors
asked by Brad 
Geometry Multiple Choice Question Please Help!
Find the value of x. If necessary, round your answer to the nearest tenth. The figure is not drawn to scale. {THe figure is a circle with a tangent crossing through the top section of the circle. The value of the tangent is 12. There is a line
asked by LeXi;) 
chemistry
x gm og Ag was dissolved in HNO3 and the solution was treated with excess of NaCl when 2.87 g of AgCl was precipitated. find the value of x?
asked by aayushi 
physics
the magnetic force on a straight 0.15m segment of wire carrying a current of 4.5 A is 1.0 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire?
asked by ana 
Algebra 2
Write a recursive formula for the sequence 15, 26, 48, 92, 180, ... Then find the next term.
asked by Mimi 
Chemistry
How do I calculate the mass of sodium carbonate required to neutralize 1520 mL of 0.25M HCl at the stoichiometric point?
asked by Joel 
math
If AC = 20, AE = 25, and AB = 5, what is the length of AD?
asked by Aliyah 
Algebra 2
Find the arithmetic mean a n1=3.9, a n+1=7.1
asked by Mimi 
Math
There are six different toppings for pizzas, sausage, hamburger, pepperoni, ham bacon and pork. There are three different cheeses, american, mpzzarella, parmeasan. the pizza comes with two different meats and one chese , how many different combinations of
asked by tj 
English
As you research, verify the facts you find by consulting______. A.Mutilple sources B.Yor English teacher C.The encyclopedia D.The preface Secondary sources______. A.Provide firsthand testimony and direct evidence B.Interpret and analyze primary or other
asked by MM 
physics
a small pith ball carries a charge of 1.3 uc. how many excess electrons does this represent?
asked by ann 
trig
Given sin a = 15/17 with a in Quadrant I and cos beta = 4/5 with beta in QuandrantIV, find the exact value of cos(a+beta)
asked by MIK 
Calculus
A container is in the shape of an inverted right circular cone has a radius of 2 in at the top and a height of 6 in. At the instant when the water in the conatiner is 5 in deep, the surface level is falling at the rate of .4 in/s. Find the rate at which
asked by Liz 
physics
A girl throws a waterfilled balloon at an angle of 50.0 degree(s) above the horizontal with a speed of 12.0 m/s. The horizontal component of the balloon's velocity is directed toward a car that is approaching the girl at a constant speed of 8.00 m/s. (See
asked by Angel 
Number sequence
Find the next 3 numbers of this sequence 243, 81, 27.
asked by Marco 
trigonometry
given v=5i+3j and w=4i+8j, find projwv
asked by jenna 
chemistry
a candle was 27.9 grams. the mass of the candle that burned in 3 minutes was 7.2 grams. a) How many moles of wax were in the candle before it burned ? b) How many molecules are in the candle before it burned? c) How many moles of wax were used up during
asked by auburn 
Management
1. Regarding management and leadership, which statement is most accurate? A. Leaders can be good managers, and good managers can be leaders. B. Leaders aren’t managers, and managers aren’t leaders. C. Leadership and management are entirely unrelated.
asked by doofn 
English
(From Emily !@#$%^&inson's "The Moon is Distant from the Sea) In the !@#$%^&inson poem, the moon and the sea are metaphors for a. uncaring and cold natural forces b. a strict teacher and a frightened pupil c. a loved one and the speaker d. the effect of a
asked by mysterychicken 
chemistry
1) What 2 resources are used up as a candle burns? 2) What has happened to the atoms in these resources? 3) Is it possible to recover these 2 resources after theyve been used?
asked by auburn 
math
On Saturday, the fruit and juice bar was selling 23 glasses of fruit punch an hour. By 4 p.m., they had sold 138 glasses. If their goal was to sell at least 276 glasses of fruit punch, which inequality can be used to find h, the number of hours they must
asked by Anonymous 
Probability and Statistics
A package contains 12 resistors, 3 of which are defective. If four are selected, find the probability of getting the following. No defective resistors One defective resistors 3 defective resistors
asked by Brad 
trig
an angle with the radian measure of 9pi/5. find radian measure of its reference angle. answers: 4/5, 4pi/5, pi/5, or pi/5
asked by Kayla 
Math
The bar graph shows the cumulative number of death form AIDS in the US, from 1990 through each of the years 19962002. The data in the graph can be modeled by the following polynomials, in which f(x) and g(x) represent the cumulative number of AIDS deaths
asked by Anonymous 
Chemistry
Calculate the grams of solute required to make 2500mL of 90% saline solution?
asked by Morgan 
circles
Find x Is the triangle equilateral, isosceles, or scalen, and explain. The picture is a circle with a triangle inside P at the top and Q left corner and R at right corner it's labeled with (8x10) on the outside of the circle between QP, and (6x) on the
asked by lilman 
Chemistry
The pH of a 0.010 M aqueous solution of a weak monoprotic acid, HX, is 4.5. What is the value of the acid ionization constant?
asked by Anonymous 
math
A pastry chef has 13 pounds of apple slices to make 8 apple pies. if the chef distributes the slices equally, what will be the weight of the apple slices used to make each pie?
asked by taylor 
chemistry
Na + H2O ¨ NaOH + H2 How many moles of H2 would be formed from 30 grams of Na in the following (UNBALANCED) equation?
asked by nikki 
Economics
The formula given was: (real rate of interest) = (nominal rate of interest)  (expected rate of inflation) A chartered bank offers a oneyear loan at "3 points above prime." Prime is 4 per cent. a) What is the nominal interest rate? b)If expected inflation
asked by Seinna 
algebra
Factor the trinomial below. Write each factor as a polynomial in descending order. Enter exponents using the caret ( ^ ). For example, you would enter x2 as x^2. 25x2 + 30x + 9
asked by Anonymous 
trig
write y=sinxcosx in the form y=ksin (x+a), where the measure of a is in radians. answers: sqrt2sin (x+3pi/4), sqrt2sin (x+5pi/4), sqrt2sin (x+pi/4), or sqrt2sin (x+7pi/4) ...?
asked by Kalen 
AlgebraB
Help! I have to graph my answer to this problem: ADFG has vertices D (–2, 4), F (–3,1), and G (–1, 2). Find the vertices of the image after the rotation of 180° about the origin.
asked by Ann 
Calculus / a bit of physics
explain why a scalar equation of the line exists in 2D space, but not in 3D space.
asked by j 
Math
can you help me do my homework
asked by Lissette 
trig function
Suppose f(x)=cos x  sin x and g(x)=cos x + sin x. Explain why the graph of (fxg)(x) is equivalent to the graph of h(x)=cos x after it has been horizontally compressed by a factor of 1/2. Please help, thank you!
asked by Kjd 
Math
If Sally places a rocket that is 3 feet 6 inches tall atop a launch pad that is 1 foot 8 inches tall, how tall will the entire unit, rocket and launch pad, be when she is done? A.5 feet 4 inches B.5 feet 2 inches C.1 foot 8 inches D.4 feet 2 inches B? 3
asked by Rezu 
science
a utube is partially filled with water.oil which does not mix with water is next poured into one side until water rises by 2.5cm on the other side.if the density of oil be 0.8 ,the oil level will stand higher than the water level by how much?
asked by abuobaida johar 
Geometry Inscribed Angles Multiple Choice
Find the measure of angle BAC. {There's an image of a circle with an angle from the top left side going to the bottom of the right side. Point A is the point at the top left side starting the angle, and B is at the bottom and point C is at the bottom right
asked by LeXi<3 
Chemistry
4. 5.6 x 106 mol of A and 5 x 105 mol of B are mixed in a 200 mL flask. The system is represented by the equation: 2A + B > 3C I 2.8x105 M 2.5x104 0 C 2x x +3x E 2.8x1052x 2.5x104x 3x105 B = 2.5x104x = 2.4x104 x = 1x105 A =
asked by Katie 
honors chemistry
Compare the present Periodic Table with Mendeleevs original Periodic Table in terms of how it is organized, number of elements, what it looks like, ease of understanding, and information given.
asked by Kellin 
Medical
Which of the following may lead to claim denials or improper service reinbursement? A.Reporting of multiple APG B. HCPCS codes on out patient surgeries C.Inaccurate physicians documentation D. Updated ICD9CM codes (C) ic my answer can someone check this
asked by Brenna 
trig function
Suppose f(x)=cos x  sin x and g(x)=cos x + sin x. Explain why the graph of (fxg)(x) is equivalent to the graph of h(x)=cos x after it has been horizontally compressed by a factor of 1/2. Thanks so much...
asked by Anonymous 
math
what is the boygirl ratio in a class of 32 pupils if there are 18 girls?
asked by joey 
science review
since tomorrow is my test. Please check: seed coat skin covering the seed to protect the inner parts Hilum ? cotyledon where nutritient is stored inside the seed embryo part of a seed that grows into a plant. it include roots, leaves, and stem?
asked by Celest 
Computer Science
Design a program that will ask the user to enter the amount of a purchase. The program should the compute the state and county sales tax. Assume the state sales tax is 4 percent and the county sales tax is 2 percent. The program should display the amount
asked by AB 
writing
what do my paper needs Im applying for the E R register position at Greenwood Leflore Hospital. I gain knowledge working as a floor secretary and working along with nurses. The experience taught me the value of human life. Learning to feel what a person
asked by willie 
trig
what's the single trig. function of cos6xcosxsin6xsinx
asked by MIK 
Calculus
three forces each of magnitude 50 N, act in eastward, westward, and northwest directions, Find the resultant force.
asked by j 
english
What does this poem mean? (tone, mood, and rhyme scheme) At the UnNational Monument Along the Canadian Border William Stafford This is the field where the battle did not happen, where the unknown soldier did not die. This is the field where grass joined
asked by Catherine 
English
What are the literary elements of this poem and what does it mean? Foundations Leopold Staff I built on the sand And it tumbled down, I built on a rock And it tumbled down. Now when I build, I shall begin With the smoke from the chimney.
asked by Anonymous 
Finance
Your firm is looking at a new investment opportunity, Project Alpha, with net cash flows as follows:  Net Cash Flows  Project Alpha Initial Cost at T0 (Now) ($10,000) cash inflow at the end of year 1 6,000 cash inflow at the end of year 2 4,000
asked by Casonya 
physics
The potential difference between the accelerating plates of a TV set is about 30 kV. If the distance between the plates is 1.1 cm, find the magnitude of the uniform electric field in the region between the plates. (in N/C)
asked by andrew 
Physics
At an instant, Runner 'A' runs at 6m/s with an acceleration of 2m/s^2. Runner 'B' runs at 5m/s with an acceleration of 4m/s^2, and the former (Runner A) is 2 metres ahead of the latter (runner B). How long does it take for Runner B to catch up with runner
asked by Ajani 
trig
a vector has a magnitude of 16 and direction of 120 degrees. write the vector in terms of unit vecotrs i and j.
asked by TAYLOR 
Chem 1
Which one of the following electron transitions would result in the loss of energy from a hydrogen atom? a. n=1 to n=3 b. n=5 to n=3 c. n=4 to n=6 d. n=1 to n=5
asked by jenni 
Medical
Stan is on active military duty and, therefore, is probably receiving medical coverage from A. TRICARE. B. CHAMPVA. C. Medicaid. D. SCHIP My answer is (A) can someone tell me if this is the right answer
asked by Brenna 
Mathematics
A loan of 12,000 was borrowed from a bank at 14% per annum. Calculate the interest of the loan at the end of the first year. And the total amount owing at the end of the first year. A repayment was made of 7,800 at the start of the second year. Calculate
asked by Sam 101 
math
Miss C gives a test to the 10 students in her firstperiod algebra class. The grades are 93,82,95,86,90,84,89,79,87,93 A. Find the mean and Standard Deviation of the 10 scores. B. List all the reasons for why the late class could have a different mean or
asked by Kate 
Information Systems in Organizations
Directions: Test your knowledge of this topic by selecting the best answer for each of the following questions. When you click the Submit button, you will see your score and the results will go to your instructor. You may want to refer to the general
asked by Denise 
Art
I still have a few things I'd like you to consider, Writeacher. Thank you very much. 1) She refused to go to the dentist's We are planning to move into a new house. 2) They offered me to go for a week in Egypt: They offered to let me go to Egypt for a
asked by John 
physics
A wind sled has a mass of 45kg and is gliding at a speed of 2m/s over the frozen lake with neglible frictional effects. A gust of wind behind the sled exerts a force of 10N over a distance of 30m. With what speed is sled moving after the wind gust?
asked by Belle Jean 
geometry
you have a scoop of ice cream 3 inches in diameter sitting on a cone with 1 inch
asked by rido 
Math
1) Matt traveled the first leg of his trip for 1350 miles on a large jet. He then traveled an additional 600 miles on a private plane to reach his destination. If the speed of the jet was three times the speed of the plane and the total time in the air was
asked by Sara 
trig
write sin4xcos2 as the sum or difference of two functions. answers: 1/2(cos6x+cos2x), 1/2(cos2xcos6x), 1/2(sin6x+sin2x), sin6xsin2x
asked by jake 
trig function
Suppose f(x)=cos x  sin x and g(x)=cos x + sin x. Explain why the graph of (fxg)(x) is equivalent to the graph of h(x)=cos x after it has been horizontally compressed by a factor of 1/2. Thanks so much...
asked by Anonymous 
English
would "the only heroic thing is the sky" be personification?
asked by Anne 
english
you've applied foa specific job in your field of study. the human resource ARRANGE A INTERVIEW AND TELL YOU BRING YOUR POLISHE PIECE OF WORK
asked by willie 
trig
write sin4xcos2 as the sum or difference of two functions. answers: 1/2(cos6x+cos2x), 1/2(cos2xcos6x), 1/2(sin6x+sin2x), sin6xsin2x
asked by Kalen 
chemistry
4 moles CO, 5 moles N2 and 2 moles C2H4 are placed in a 5 liter vessel at 27 degree celsius . the ratio of kinetic energy per molecule of CO2, He and NH3 is
asked by kanika 
5th Grade Writing
do you use its or it's in this sentence "The horse hurt _____ leg"?
asked by Keke Pressley 
algebra
Rewrite this polynomial so that the terms are in ascending order: 8x + 4x^4 + 10 + 6x^3 + 3x^5
asked by MIndy 
Bus Finance
Consider the following income statement and answer the questions that follow: Sales (100 units) $200 Variable costs ($.80 ea) 80 Fixed Costs 20 EBIT 100 Interest Expense 30 EBT 70 Income tax 24 Net Income 46 a. What is the firm’s Breakeven Point in
asked by Casonya 
math
solve 27^2x1=(1/81)^x
asked by devon 
LA
Carried away by shallow love or affection _ N _ A _ _ A _ E _
asked by Anmol 
math
you need 5 foot long board into pieces that are 3/4 of a foot long. How many pieces can we cut? what length of the board will be left?
asked by juan 
physics
A 2kg toaster is at rest on a table which has no friction.Sally begins pushing the toaster to the right with a force of 6n for seconds. A)what is the net force on the toaster? B)what is the toaster a cceleration? C)what will the velocity be at the end of
asked by lisa 
trig
solve 2cos^2xsinx=1, 0 < or equal to x < 2pie
asked by Calvin 
Physics
The appromiate mass of a comet X has been memasured. When comet X orbits the Sun 5000 years later it only has half it's previous mass. Approximately how many orbits of the Sun has the comet completed and what is the period of the comets orbit?
asked by Kim 
trig
write y=sinxcosx in the form y=ksin (x+a), where the measure of a is in radians.
asked by Calvin 
trigonometry
write 2=5cis 11pie/6 in standard form.
asked by jenna 
Econ
Do people living in countries with higher real GDP necessarily have better living standards compared to countries with relatively lower GDP? Give practical example. 2. What measures would better compare the wellbeing (living standard) for residents of
asked by Andrea 
algebra
Jonathan and Bill need to stack firewood. Jonathan can stack 130 pounds of firewood in 2 hours. Bill can stack 150 pounds of firewood in 3 hours. How long will it take them to stack 400 pounds of firewood if they work together (round to the nearest
asked by Anonymous 
physics
An ideal gas with r(Gama) = 1.5 occupies a volume of 2.0 L. The gas expands isothermally to a volume of 3.0 L. Alternatively, the gas reaches the same final state by first adiabatically expanding to the final volume then heating isochorically to the final
asked by sand 
Literacy poetry1
Does any one have the answers for the penb foster poetry 1 exam
asked by Lovely 
Polynomials. :) :)
2x^4+4x^37x^2x+7 Approximate the irrational solutions correct to 3 decimals. If there is more than 1 real solution, enter them from smallest to largest, separated by a comma.
asked by Diana 
algebra1
can you guys please classify the system as consinent or inconsitent, and determin solution xy+z=6 7x2y2z=1 5x+6y+3z=11
asked by jenika 
trig
what is the exact value of sin[tan^1(2/3)]
asked by Kayla 
Physics
What magnitude of acceleration will result when 60N and 80N forces in opposite direction if applied to a 5kg body?
asked by Beka 
finance
The expected return on the market is 12% and the risk free rate is 7%. The standard deviation of the return on the market is 15%. Ones investor creates a portfolio on the efficient frontier with an expected return of 10%. Another creates a portfolio on the
asked by benish 
Math
Can you help me with the following Input and Output values? Input 0 Output 1 Input 1 Output 10 Input 2 Output 20 Input 3 Output 30 Input 4 Output 40 Input 5 Output 50
asked by Sarah 
compound function
Given: f(x)=2x^2x+1 g(x)=2 sin x h(x)=3^x Determine: a) f(g(x)) b) (h^1 o f)(x) c) g(f(h(x)))) Please show steps, thank you very much.
asked by Kjd 
compensation and benefit
Discuss the possible impact of StopNShopToday, Inc. stores being located solely in one of the following three locations with the indicated employee demographics: Location: •New York City, NY ◦average employee age: 30 years old ◦male/female ratio:
asked by erma 
math
How do you solve 6(cos^2)x+cosx=1 I need it in the form that's like (x+x)(x+x) so that I can set them equal to zero and find the answers. Please show all of the steps.
asked by Morgan 
Math
A cone has a volume of 41 cubic meters. If cut the cone in half, what would be the volume of the cone?
asked by Scott 
science
a passenger in a ferris wheel rates 3m/s in a vertical circle of radius 5m. find the apparent the ratio of his apparent weight to his true weight at the top and bottom of the circle
asked by neliswa 
math
Using the letters in ADJUSTING without repeats, How many different nine letter arrangements could be made? How many of these nineletter arrangements have a consonant in fifth position and J in sixth position? What special name is given to the sixth
asked by Kasey 
trig function
Suppose f(x)=cos x  sin x and g(x)=cos x + sin x. Explain why the graph of (fxg)(x) is equivalent to the graph of h(x)=cos x after it has been horizontally compressed by a factor of 1/2. Thanks so much...
asked by Anonymous 
Calculus
Find the third Derivative of f(x)=x(3x7)^3 The answer is 3x1134 but I attempted the problem multiple times and I keep ending up with 648x1134. What am I doing wrong?
asked by Liz 
trig
write sin4xcos2 as the sum or difference of two functions. answers: 1/2(cos6x+cos2x), 1/2(cos2xcos6x), 1/2(sin6x+sin2x), sin6xsin2x
asked by kate 
algebra 2 help please
D)x^2+y^2=625 X^2+(y50)^2=1122 Y=20 (15,20)(15,20) E)x^2+y^2=625 X^2+y^2200y+10000=13618 Y=18 (20,15)(20,15) 1)Combine your answers from Parts D and E to pinpoint the epicenter of the earthquake 2)Graph the equations for all three stations to verify
asked by jenny 
essay
what are some some similarities and differences between dawn and night by elie wiesel?
asked by annie 
Chemistry
A2B3 > 2A + 3B I 0.001 0 0 C –x 2x 3x E 0.001x 2x 3x 3x = 0.006, x = 0.002 A = 0.004 B = 0.006 A2B3 = 0.0010.002 = (0.004)2(0.006)3/ Am I close?
asked by Katie 
physics
If you are drive your car into a brick wall and are not wearing a seat belt,you will be badly injured why?your answer should include the word "force" and velocity"
asked by lisa 
trig
write sin4xcos2 as the sum or difference of two functions.
asked by Calvin 
physics
A hocky puck is sliding along at 3m/s on an air hocky a) what is the net force on the puck? B)what is the pik's acceleration? C)what will the puck's velocity do?be detailed
asked by lisa 
trig
write 2+2 squareroot of 3i in trig form.
asked by ky 
Calculus
determine the each resultant a) 10 km/h north followed by 8 km/h west b) 25 N at 10 degrees to the horizontal and 30 N horizontally.
asked by j 
physics
i will begreatfull if u help me insolving the below problems: 1.)the time period of a pendulum clock on the surface of the earth is 6 sec.Find the timeperiod of the same pendulum on the moon.(g=9.8m/sec2) 2.)the time period of a pendulum is 6.28sec.Whay
asked by srikar 
Early Childhood Education
Of the following tasks performed outside the classroom,which is the MOST timeconsuming?
asked by Sandra 
world geo
is war an example of human geography?
asked by kailee 
Physics
find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed
asked by Nicole 
english
what would the tone of this poem be? serious? Foundations Leopold Staff I built on the sand And it tumbled down, I built on a rock And it tumbled down. Now when I build, I shall begin With the smoke from the chimney
asked by Angela 
Math Help!!
Solve 2xy5z=1 x+2y+3z=9 3x+6y+z=11 2x3y=13 5x+2y=16
asked by Sara 
algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü0.25x+4 y¡Ý4x1 y¡Ý0.25x1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded
asked by jenika 
Algebra2 {ASAP}
Hi helper, I used permutation for the following question. How can i use combination to find the answer? Help me please! There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of
asked by Liz 
algebra1
how many solutions does the system have? x2y=6 3x6y=18 a)1 b)2 c)many d)none
asked by jenika 
math
How do you solve 6(cos^2)x+cosx=1 I need it in the form that's like (x+x)(x+x) so that I can set them equal to zero and find the answers. Please show all of the steps.
asked by Morgan 
financial understanding
if apr is 7.3% daily and haad $400 1st 10 days, 1500 next 10 and 600 next 10 how much intrest was earned at end of month
asked by ruth 
Function: Rate of Change
Joe is investigating the rate of change of the function y=cos x on the interval xE[0,2π]. He notices that the graph of y=cos x passes through the xaxis at 45°. He also determines the instantaneous rate of change at x = 0, π, and 2π by inspection.
asked by Anonymous 
math
Compute: The number of combinations of 8 elements taken 3 at a time. The number of permutations of 8 elements taken 3 at at time.
asked by Hannah 
combine functions.. please help.
Given: f(x)=2x^2x+1 g(x)=2 sin x h(x)=3^x Determine: a) f(g(x)) b) (h^1 o f)(x) c) g(f(h(x)))) Please show steps, thank you very much.
asked by K 
honors chemistry
why were the noble gases considered to be inert gases until the 1960s?
asked by Kellin 
math
What is the number of ways 9 people from a group of 13 could be arranged in a line.
asked by Matt 
Math
Dividing a Polynomial  need detail and answer please!!! (6x^4+4x^3x^2)/(6+2x)
asked by Dennis 
finance
Calculate the IRR of the following project: Year Cash Flow 0 $30,000 1 $40,000
asked by Casonya 
English 7  Journal Entry Check
Please check my journal entry to see if it's good and if there any grammar mistakes. This is an assignment for English. Art Therapist When I was doing some research on the computer two weeks ago, I saw the word "art therapist". For a moment I thought being
asked by Laruen 
Math. Fractions
Emily exercised from 4:05pm tob4:32 pm For what part of an hour did Emily exercise ? Write the fraction in simplest form Would it be 27/60 = 9/20
asked by Marco 
math
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7
asked by ana 
Chemistry
PLEASE fully explain these...I've already tried to figure them out and failed terribly... thanks so much 4. 5.6 x 106 mol of A and 5 x 105 mol of B are mixed in a 200 mL flask. The system is represented by the equation: At equilibrium, there is 4.8 x
asked by Katie 
PHYSICS
A LORRY INCREASES VELOCITY FROM 6m/s TO 10m/s IN 25 SECOND.FIND THE ACCELERATION.
asked by PHIL 
physics
Why do car have head rest?your answer should include the word"force"and "velocity"
asked by lisa 
math
Find the number of different groups that could be made using 11 people from a set of 30
asked by Nathan 
physics
Why do car have head rest?your answer should include the word"force"and "velocity"
asked by lisa 
dosing
if 1 tablespoon is prescribed as a dose of medicine,approximately how many doses will be obtained in 12 fl.oz?
asked by anna 
voc.
to be carried by a carriage or on horseback 4 letters
asked by Bailey 
trig
what is the magnitude and direction of the vector U= 2i  3j
asked by TAYLOR 
trig
find the angle between vectors U= and V=
asked by TAYLOR 
trig
U=5i+11j and V=2i3j, find 2U7U
asked by ky 
math
Compute 9(sub)C(sub)6
asked by Kyle 
algebra1
can you guys please graph the system of inequalities and clasify the solution of y¡Ü4x+4 y¡Ü0.25x+4 y¡Ý4x1 y¡Ý0.25x1
asked by jenika 
Polynomials. :) :)
f(x)=2x^4+4x^37x^2x+7 has no rational roots. Approximate the irrational solutions correct to 3 decimals. If there is more than 1 real solution, enter them from smallest to largest, separated by a comma
asked by Diana 
trig
Write an equation for simple harmonic motion, given that the amplitude equals 4 inches and the period equals 2 seconds and the max displacement occurs when t=0. answers: y=4sin pi t, y=4cos pi t, y=4cos t, y=4sin2 pi t
asked by Kayla 
Beginnings and Beyond Early Childhood Education
All the following are reasons record keeping is essential to good early childhood program EXCEPT:
asked by Sandra 
Medical
When a physician is billing under the RBRVS system, he or she is using A. APCs. B. HCPCS/CPT codes. C. MSDRGs. D. ICD9 procedure codes My answer is (B) check this one for me please
asked by Brenna 
Physics
find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed
asked by Nicole 
answer please
is 2xy=9, 3x4y=8 dependent, independent, or inconsistent
asked by jenika 
algebra 1
y=2x1 2xy1=0 a)this sytem has excatly onw solution b)this system has indinetly many solutions c)this system has no solution d)(1,1) and (0,0)
asked by jenika 
math
Farmer has 100yd by 60yd fence around his barnyard. How many yards of fence is needed to replace it?
asked by Rebecca McGhee 
algebra1
y=x+8 x+y=7 a)(1/2,15/2) b)system has infinitely many solutions c)(1/2,17/2) d)no solutions
asked by jenika 
life orientation
which two institutions/community organizations are involved in supporting or giving redress to teenage pregnancy?
asked by nomzamo 
Math does anyone know this?
y= x^2 +4x5 x intercept 4? y intercept 5? vertex? I don't know how to find the vertex. axis of symmetry?
asked by Bluesky 
fraction
How do I campara the fraction 7/8 and 8/9
asked by mike 
Physics
An object is projected from ground level with launch speed u and at an angle theta above the horizontal. Find the values of u and theta if the range is 28.6m and time of flight is 1.43secs. thanks!
asked by Anonymous 
US HISTORY
NO ONE KNOWS FOR CERTAIN WHY THE CLASSIC WORLD BEGAN TO DECLINE. GIVE TWO REASONS FOR A REASONABLE DECLINE?
asked by daisy 
algebra1
graph the system of inequalities, and classify the figure created bu the solution region. y¡Ü4x+4 y¡Ü0.25x+4 y¡Ý4x1 y¡Ý0.25x1 a)the shaded region is a plane minus a rectangle b)there is no region common to all four inequalities c)the shaded
asked by jenika 
chemistry
4 moles CO, 5 moles N2 and 2 moles C2H4 are placed in a 5 liter vessel at 27 degree celsius . the ratio of kinetic energy per molecule of CO2, He and NH3 is
asked by kanika 
Art
I left out these sentences. Could you please check them, too? Thank you. Is punctuation OK? 1) People suppose that he worked for Fiat. He is supposed to have worked... 2) Someone asked her about the weather. 3) My parents let me go on holiday on my own.
asked by John 
Algebra
give the domain of the function: f(t)= 3t²+5t+2
asked by Elizabeth 
Determine value of X
Given the functions f(x)=sqrt[x] and g(x)=x+1, determine all possible values of x for which f(g(x)) = g(f(x)). Show steps please, thanks a lot!
asked by Anonymous 
grammar
Rewrite each sentence below, replacing all clichés with more creative or straightforward expressions.Since we had worked like dogs for eight hours, we finally put a lid on it at 6:00 p.m.
asked by Anonymous 
Physics
What liquid substances have an index of refraction of 1.42? and then 1.43?
asked by Gian 
to ms.sue
what is wrong with the answer. also what is hilum?
asked by Celest 
ALGEBRA
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $300 balance, 18% rate, $250
asked by Monic 
math
A recipe for glue for paper mache masks is shown. If you wanted to make 1/2 of the recipe, how much water would you need? Recipe for glue : 2 1/4c water
asked by Mia 
analysis
What is meant by the sample space for a random experiment?
asked by Kasey 
algebra 2
use quadtratic formula to find any X intercept. y=4x^5x4
asked by jkt 
algebra 2
solve 25n^9=0
asked by jkt 
LA
Belonging to you _ _ _ R
asked by Anmol 
LA
Showing a fixed, firm purpose; determined R _ S _ L _ _ E_ _
asked by Anmol 
history
1) Romans elected leaders to make _______. 2) The ________ wrote the laws on the 12 Tables.
asked by Aria 
LA
Feelings of uneasiness of doubt _ U _ L _ _
asked by Anmol 
math
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7
asked by ana 
Health
I left out this part. Thank you very much, Writeacher. 1) Have you received any news about our common project? How are things getting on in England? When do school holidays start in England? 2) When do you think we will know if the Commission has approved
asked by John 
algebra 2
If f(x) = int(x), find the given functional value. 1. f(9.1)
asked by Jt 
math
if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7
asked by ana 
algebra 2
how can you tell when y is a function of x on a graph
asked by Jt 
healthtasha
how does an office manager software work?
asked by Anonymous 
Language Arts
Easy to manage or discipline D _ _ _ L _
asked by Sabrina 
Math
Victoria has a boat that can move at a speed of 20km/h in still water. She rides 140km downstream in the same time it takes 35km upstream. What is the speed of the river?
asked by Courtney 
Language Arts
Seemingly virtuous; showing religiuos devotion P _ O _ S
asked by Sabrina 
Literature
im really confused about this poem. What does it have to do with the three little pigs? or is it ot an allusion at all? Foundations Leopold Staff I built on the sand And it tumbled down, I built on a rock And it tumbled down. Now when I build, I shall
asked by Anonymous 
PreCalc
Hello! I'm stuck on how to do this problem and would appreciate some help! Choose a nonzero complex number c for f(z) = z2+ c. Find a complex number v that is in the escape set. Find a complex number w that is in the prisoner set. Graph the first five
asked by l 
Algebra 1A
Home Size The average size F in square feet of new U.S. homes built during year x is estimated by the formula F = 34x  65,734, where x is any year from 2002 to 2008. In which year was the average home size 2504 square feet?
asked by Nini 
physics
a large truck is driving down the street when it hits a small bug a) which object has the larger force acting on it? b) which object has the larger acceleration?why?
asked by lisa 
trigonometry
find the dot product of u=2i7j and v=i+8j
asked by jenna 
Calculus
determine an equation for each plane a) contains the point A(6,2,3), B(5,1,3), and C(5,7,2) b) parallel to 2x + 6y + 4z = 1 and contains the point P(3,2,1)
asked by j 
PHYSICS
A BODY CHANGES IT'S VELOCITY FROM 20M/S UNTIL IT COMES TO REST IN 10 SECONDS.WHAT IS IT'S ACCELERATION
asked by PHIL 
Calculus
determine the angle between the planes 2x + 2y + 7z = 8 and 3x  4y + 4z = 5
asked by j 
physics
what has more inertia? a toy car going 1000mph or a cruise ship sitting at the dock
asked by lisa 
Calculus
Write a vector equation AND parametric equations of the line through the points A(6,1,5) and B(2,3,6) direction vector = [8,2,1] a vector equation r = (6,1,5) + t(8,2,1) use that to write the parametrics how do i write parametrics
asked by j 
animals
What is the habitat and location for the Florida Bonneted bat*? Also, what is its kingdom, phylum, class, order, and sub order? *Also known as the Wagner's Mastiff bat or the Wagner's Bonneted bat
asked by lizzy 
Algebra
find the arithmetic mean A_n1_3.9, A_n+1_=7.1
asked by Mimi 
Algebra 2:)
f(x)=x^52x^42x^3+4x^23x+3 Approximate the irrational solutions correct to 3 decimals. If there is more than 1 real solution, enter them from smallest to largest, separated by a comma.
asked by Honey 
English
in shadowy valleys and rocky ravine where tiny rills meet with rushing streams need it description
asked by Arsh 
algebra1
wihtout graphing, is this system independent, dependent, or incosistent? 2xy=9 3x4y=8
asked by jenika 
Art
Can you please check these sentences, Writeacher? Thank you very much. 1) “I have been to Greece twice," he said. (He said that he had been to Greece twice) 2) It was the first time I had spent my vacation without my parents. Mary had done all the
asked by John 
algebra
Solve 8(x1) + 4 = 9x  8
asked by cassie 
algebra
find the value of c so that (c,5) is a solution to 2x + 3y =7
asked by cassie 
algebra
what is the slope of the line x = 2/3
asked by cassie 
algebra
write an equation in slopeintercept form for the line passing through (2,6) and (4,3)
asked by cassie 
math
the base of a container for coin boxes is 2 feet by 3 feet the base of the coin boxes is 2 inches by 3 inches the greastes number of coins that will fit into the container in a single layer is
asked by marshall 
ethics
Give an example from the past that indicates a similar result or a current social policy that might be regarded as wrong, which therefore needs to be changed.
asked by Anonymous 
social studies 9
!@#$%^&ens is famous for the names he gave to his characters Uriaha heap, mr gradgrind and little doritt are a few examples. often theses names help us to visualize the person. does the name "bumble"
asked by bob 
boring history
why was the aztec civilization considered warlike???
asked by Spencer 
Math
If a van is traveling at 25mph and needs to stop immediately, how much time and distance will be needed?
asked by Cher 
math
[(14+7) / 3] + 10 x (63)
asked by tiffany 
function rate of change
Joe is investigating the rate of change of the function y=cos x on the interval xE[0,2π]. He notices that the graph of y=cos x passes through the xaxis at 45°. He also determines the instantaneous rate of change at x = 0, π, and 2π by inspection.
asked by Kjd 
Average rate of change
Please help.. Determine the value of "g" so that the average rate of change of the function h(x)=x^2+3x+2 on the interval 3≤x≤g is 1. Thank you.
asked by Kjd 
combine function, find x
Given the functions f(x)=sqrt[x] and g(x)=x+1, determine all possible values of x for which f(g(x)) = g(f(x)). Show steps please, thanks a lot!
asked by Kjd 
trig
find the angle between vector U= and V= answers: 88 degrees, 45 degrees, 135 degrees, or 92 degrees...?
asked by jake 
Math equation
I have no idea how to solve this. f(x)=3x4 a) f(10) b) f (2) c) f (0) d) (b)
asked by Mary 
Precalculus
Write a logarithmic equation for 3^3/2= squareroot 27
asked by Darlene 
math
Permute Sub(11)Psub(4) Sub(5)Csub(5)
asked by Paul 
Information Technology 130 Programming Concepts
True or False Indicate whether the following statements are true or false. 1. T F: You cannot break up a word with the linecontinuation character.
asked by Roger 
Life orientation
8 way in which the environmental problem impacts on your community
asked by Shocky 
English
would "sunburned shoulders" be an exaple of alliteration even though its a "sss" and "shh" sound?
asked by Tamika 
Average of Rate change
Please help.. Determine the value of "g" so that the average rate of change of the function h(x)=x^2+3x+2 on the interval 3≤x≤g is 1. Thank you.
asked by Anonymous