Questions Asked on
January 13, 2012

calculus
An automobile travels 4 miles road in 5 minutes. Use the Mean Value theorem to show that the speedometer reads exactly 48 mph at least once during the trip.
asked by smith lionel 
English/11th grade
I have a few questions on my English homework. The directions state: Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified. 1. When you obey your parents, you please the Lord. Adverb clause: _____
asked by Amy 
Physics
Two point charges are 10.0 cm apart and have charges of 2.0 μC and –2.0 μC, respectively. What is the magnitude of the electric field at the midpoint between the two charges? 8.99*10^9(2*10^6/.025)=719200 Two equal charges are separated by 3.7 x 1010
asked by Anonymous 
physics
In a headon collision, a car stops in 0.11 s from a speed of 23 m/s. The driver has a mass of 87 kg , and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second?
asked by Malik 
accounting
Christy Burch and Myung Lim, partners, compared their current income statement with their income statement of a year ago. They noted that sales were 12.0% higher than a year ago. They also noted that the total expenses were 20.0% higher than a year ago.
asked by britt 
Geometry
According to OSHA, a ladder that is placed against a wall should make a 75.5 degree angle with the ground for optimal safety. To the nearest tenth of a foot, what is the maximum height that a 10ft ladder can safely reach?(trigonometry)
asked by Anonymous 
World History
How did scientific discoveries change people's attitudes towards natural events and religious faith?
asked by Autumn 
Chemistry
When sodium Metal is dropped into water, all the metal reacts in the equation shown below. What mass of hydrogen is liberated from a 46.0 gram piece of sodium? 2Na(s)+2H2O(I) > 2NaOH(aq)+H2(g)
asked by Franklin 
Science
which of the following effects would also occur at the end of an Ice Age 1.) an increase in volcanic activity near the equator. 2.) a global rise in the sea level. 3.) a worldwide extinction of the reptiles. 4.)a shorte length of the day. 5.)a complete
asked by Bill 
Math
find the absolute and percentage change in the following case: the congressional delegation of california increased from 30 in 1950 to 53 in 2010.
asked by Maureen 
programming
The Binary Tree is one of the best ways to organize data when you need fast access. For this assignment, we will organize a list of names and perform various operations on those names. Build and show a binary tree based on the following names inserted into
asked by Lynn 
english
Jordan likes going to the theatre to watch movies
asked by Anonymous 
law
The U.S. supreme court case that applied the right to privacy to abortions is?
asked by tolu 
ApChemistry
How many grams of Ca will react with 15.0g of Cl to form calcium chloride? How many grams of calcium chloride will be formed? Explain step by step.
asked by Salena 
Chemistry
What compound forms when one molecule of HCl and one molecule of NH3 combine? It is an ionic compound. I am not sure how to find this out. I thought is was H3O but that is not right.
asked by Hannah 
World History
Both Hindus and buddhists believe in A. Many gods B.The caste system C. Formal rituals I got C.
asked by sarah 
chem
The reaction AB(aq)>A(g)+ B(g)is second order in AB and has a rate constant of 0.0282 M^{1} s^{1} at 25 Celsius. A reaction vessel initially contains 250 mL of 0.105 M AB which is allowed to react to form the gaseous product. The product is collected
asked by Yuni 
english
i have to take out embellishments, misquotations,false benefits and unethical tactics out of these sentence can some one help me 1. Storm damage done to water filtration plant #3 was mimimal. While we had to shut down temporily, servive resumed to meet
asked by sharon 
spanish
please unscramble these spanish words " 1)cesla 2)utiels 3)asloresce 4)oclamih
asked by sarah 
Chemistry
1) Consider the following substance: V3N5. What is the oxidation number of vanadium and nitrogen? 2) Consider the following substance: Mn2O7. What is the oxadation number of manganese and oxygen? 3) Consider the following reaction: Al2(SO4)3. What is the
asked by Ryan 
English
Writing sentence and Paragraphs. Does the below look correct? Paragraphs 2 I am very excited about making medical billing and coding as my new field of my career. Since I use to work for Mary Brecking Ridge Hospital for 6 years. I learned a lot so now I
asked by Mama 
history
Describe and evaluate president Eisenhower policy regarding Joseph McCarthy could you tell me if this is the answer. He was succeeded as president influence,pursued foreign policy. Thank You
asked by keria 
physics
A block of ice at 0 degree celsius is placed in a room whose temperature is also 0 degree Celsius explain what will happen?
asked by diana 
Geometry
One side of a triangle is x inches longer than another side. The ray bisecting the angle formed by these sides divides the opposite side into 3 inch and 5inch segments. Find the perimeter of the triangle in terms of x.
asked by Anonymous 
math
I am not even,I am greater than 200,the sum of my digits is 9,I am a multiple of 5,I am less than 300,I am evenly divsible by 9 what number am I
asked by Ciara 
math
Joel has twice as many CDs as Mariella has. Subtracting 7 from the number of CDs Joel has and dividing by 3 equals the number of CDs Blake has. If Blake has 25 CDs how many CDs does Mariella have? Help step by step
asked by raj 
precalculus
how would I find points to plot a graph for the function f(x)=ln(4x)?
asked by Sara 
socials
make list for & aganist proposal to increase amount of aid canada give to countries developing for: help improve conditions of poor childrens education decrease poverty against: no guarantee if aid be helpful it may be used for military and to support
asked by Mohammad 
precalculus
I have the problem 2e^x = squareroot(10e^x) +3. the solution must be in exact form only.
asked by Sara 
precalculus
another one where I need points to graph please. f(x)=(7/5)^(3x).
asked by Sara 
Physics
how far to the nearest tenth of a meter can a runner running at 7.9 m/s run in the time it takes a rock to fall from rest 65 meters?
asked by Jason 
Math
wxmaxima at which prices will make maximum profit if the demand function is q(x)=8.8*(sqrt(210.3*p^^2)). thank you
asked by Anita 
english
hi i really need some assitinance please help. The sentences in each word group below are coherent because they are linked by repetition of the same word, by synonyms, and by pronouns. Type the words that tie the sentences together in each group. Though he
asked by derrick 
trigonometry
Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.
asked by britt 
English grammar
Does this sentence sound correct: 'This can be a very delicate topic to discuss with clients and hence health professional must proceed with caution and discretion'
asked by Lil 
Math
ok if the boy is 5ft tall and the flag pole is 15ft tall and 8ft long what proportion can be determaind to the lenght the boys shadow
asked by person 
algebra
5^400 or 4500 which is greater?
asked by Niloy 
earth
what is the chemical formula of chock?
asked by NANDU 
Math
you have four $5.00 bills. You buy a shirt for $10.00 What fraction of money do you have left. Use equivalent fraction.
asked by Dave 
Math
you have four $5.00 bills. You buy a shirt for $10.00 What fraction of money do you have left. Use equivalent fraction.
asked by Dave 
JAVA PROGRAMMING
"POWERS" Compute the power of a number given the base and exponent. Do three versions of this program using a while loop, a dowhile loop and a forloop. Introduction Please help..i don't know how to input this in java...please help.tnx
asked by Java 
Chemistry
How many grams of CaCO3 can be precipitated if 50.0 ml of 0.10 M CaCl2 are mixed with 30 ml of 0.2 M KCO3?
asked by Eric 
algebra
could you see if my answers are correct?? if not could you please help me get them right? thanks very much A train leaves a station at noon. train is 180 miles from its destination at 12:45 pm and 90 miles from its destination at 2:15. how far is station
asked by ann 
statistics
Start with x = 100 and add four x values to make a sample of five data such that the standard deviation of these data equals 0.
asked by dream 
Finance
Help me understand how lower wage earner's taxes can be cut when they do not pay taxes at the end of the year to begin with and most will receive more back from filing taxes than they pay in. Where is the greatest benefit?
asked by Julie 
Chemistry
A 12.0L sample of a as at a constant pressure of 608 mm Hg was heated from 40 degrees celsius to 60 degrees celsius. What volume does the gas now occupy? would I multiply 608 by 12 and then divide by the degrees celsius?
asked by Hannah 
physics
A 20000 kg airplane takes off by traveling 300 m down a runway while the engines exert a continuous force of 4000 N.(a) Calculate the change in kinetic energy of the airplane during takeoff.(b) Determine the speed of the airplane as it leaves the runway.
asked by emily 
English
Is this sentence grammatically correct? ''Everyone has a need to feel accepted and being cared about and it is family and friends that play a vital role in individual’s lifestyle choices.''
asked by Ann 
Athropology
How could I summarize this article into approximately 10 sentences? Case Study: Mass Wedding in Iraq In Baghdad, Nada Omran and Kathi Jabran chose to share one of the most important days in their lives with dozens of strangers. It was the only way the two
asked by Rebecca 
physics
what does mechanical equilibrium have to do with skiing
asked by Anonymous 
chemistry
S^2(aq)+HCl(aq)> Cl^1(aq)+HS^1(aq) Match the species to its identity as a BronstedLowry acid, base, conjugate acid or conjugate base.
asked by Tasha 
geometry
a tree is standing upright.i want to cut it down at the base.how would i find out how tall it is. so that i could fall it without hitting any buildings.ie if it is 80 feet tall it should fall 80 feet?
asked by DEEK 
Math
I don't get how you get these answers: cos180 degree = 1 sin45 degree = root(2)/2 cos(135) = root(2)/2 cot(60) = 1/root(3) or root(3)/3 What does cos or sin do to make the answer different? please help
asked by NeedHelpPlz 
algebra
Henry deposited $420 into a savings account. There is a $5.00 per month service fee on the account. Also, Henry decides he wants to withdraw $25 a week for spending money. In how many months will Henry run out of money?
asked by lundinn 
Geometry
A jump ramp for waterskiing makes an angle of 15 degree with the surface of the water. The ramp rises 1.58m above the surface. What is the length of the ramp to the nearest hundredth of a meter?
asked by Anonymous 
Physics
a car accelerates at a constant rate from zero to 26.7 m/s in 10 seconds and then slows to 19 m/s in 5 seconds. What is its average acceleration to the nearest tenth of a m/s^2 during the 15 seconds?
asked by Jason 
English  Sentences/Clauses
Hello, could you please help me with a few questions I have with English? Directions: Classify this sentence as simple, compound, complex, or compoundcomplex. 1. She thought she saw a stranger, but he turned out to be her neighbor who was back from
asked by Amy 
Chemistry
Which molecule has the greatest average velocity at 100 degrees celsius. He, Cl2, Xe, O2, NO2 I used the root mean squared formula but I think I did it wrong. I got Xe as my answer. Is this correct?
asked by Hannah 
Physics
Lai threw a ball downwards with an initial velocity of 11.0 m/s. What is in meters the displacement of the ball during the 2.9 seconds after she threw it? (don't include units in the answer, use 10.0 m/s2 for g and use the upward direction as positive)
asked by Savannah 
physics
A car traveling at 70 km/h. It then accelerates at 3.6m/s^2 to 90km/h. How long does it take to reach a new speed. How far does it travel during acceleration
asked by Tasha 
English
Writing sentences and paragraphs. Is the below correct? Paragraph 1 I am anxious study this field medical billing and coding that is the reason I am applying for this position. It will be a wonderful experience working in a clinic or hospital. The position
asked by Sis 
English
Writing sentences and paragraphs. Is this correct? Paragraph 2 Dear Elizabeth, I am anxious when I found out that you move back to town, and looking for job. My SBU manager, is currently hiring for a production manager. She is SBU manager for ACS. I think
asked by Sis 
Geometry
One side of a triangle is x inches longer than another side. The ray bisecting the angle formed by these sides divides the opposite side into 3inch and 5inch segments. Find the perimeter of the triangle in terms of x. ( triangle angle bisector theorem)
asked by Anonymous 
math
Prove that the least height (h) of a triangle contains a circle of radius (r) is h=3r
asked by jack 
PHYSICS
Find the period time of the moon from the following values, R=6400km,the distance between the earth and the moon=384000km,g=9.8m/s2
asked by NANDU 
Geometry
The Great Pyramid of Cheops in Giza, Egypt, was completed around 2566 B.C.E. Its original height was 482 ft. Each face of the pyramid forms a 52 degree angle with the ground. To the nearest foot, how long is the base of the pyramid?
asked by Anonymous 
TrigPlease check
What are polar coordinates of (4,6) 1.Round r to nearest hundredth and theta to nearest hundredth of RADIAN My work: r^2 = x^ + y^2 r^2 = 4^2 + 6^2 r^2= 16 +36 r^ =52 r=7.21 I'm stuck on how to do theta in Radians, could you please assist
asked by Angela P. 
algebra
¯3 x 5 + ¯36 ÷ ¯3  ¯7 — 10 + 6 x ¯8 ÷ ¯24 —1 =
asked by Josh 
Climate
Is there a picture I could use that has the global/prevailing winds labeled?
asked by Ariel 
statistics
a research participant has her brain scanned while listening to music and solving math problems, and the brain area of interest has a percent signal change of 58. From many previous studies with this same mathproblems procedure (but not listening to
asked by Anonymous 
healthcare
why would it be difficult for a small community hospital or a practicing physician to survive in today's health care climate?
asked by kathy 
chemistry
which of the following processes is more easily observable for light with a short wavelength? a. the photoelectric effect b. radio transmission c. diffraction d. interference
asked by sofia 
Accounting
The balance sheet of Burger King reports current assets of $30,500 and current liabilities of $15,800. Calculate the current ratio of Burger King and detemine whether it will increase or decrease as a result of the following transactions: Paid $2,030 cash
asked by Francesca 
Health Science
Hi, I'm writing my assignment on people's lifestyles and cant come up with many ideas... this is the question: Why health professionals have to take into account factors that influence people's lifestyle choices?
asked by Carol 
Algebra 1
Solve by substitution 2x+3y=40.50 3x+y=38.00
asked by Debbie 
Physics
How do you conclude the answer to the following : What will be the approximate pressure (bar/psi ) for a bullet shaped object weighing 35kg..500mm diameter x 900mm. to travel horizontally for a distance of 30 metres before landing..
asked by Cory 
weather zones
could you please give us some info about plants,animal,charactorisics,and etc. about the polar circle?
asked by Anonymous 
precalculus
have to graph the following piecewise function stating values for f(0) and f(2) {x2 if x
asked by Sara 
precalculus
analyze the graph of f(x)=(x+3)x1)^2 x and y itercepts; end behavior; and maximum number of turning points
asked by Sara 
English LitPlease offer opinion
I asked this question yesterday but I thought of another possibilityI had to tell what figure of speeech And here we are as on a darkling plain Swept with confused alarms of struggle and flight Where ignorant armies clash by night By Matthew Arnold in
asked by Jamie 
Physics
A subway train starting from rest leaves a station with a constant acceleration. At the end of 5.24 s, it is moving at 13.4144 m/s. What is the train’s displacement in the first 3.42696 s of motion?
asked by Olivia 
calculus
f(12)=15 and f(5)=6 f(x)=
asked by Anonymous 
Physics
A subway train starting from rest leaves a station with a constant acceleration. At the end of 5.24 s, it is moving at 13.4144 m/s. What is the train’s displacement in the first 3.42696 s of motion?
asked by Olivia 
Geometry
Find the perimeter of PQR with vertices P(2, 9), Q(7, 3), and R(2, 3).
asked by Monica 
physics
TWO BLOCKS a AND b ARE CONNECTED BY A HEAVY ROPE OF MASS 2kg THE MASSES OF a AND b ARE 10 AND 5kg RESPECTIVELY.IF AN UPWARD FORCE OF 200N IS APPLIED TO THE TOP ROPE A:FIND THE ACCELERATION OF THE SYSTEM B:WHAT IS THE TENTION AT POINT P1 AND P2 ON THE HEAVY
asked by Fonde 
geometry
if angle FGH is similar to angle PQR, FG = 6, PQ = 10, and the perimeter of angle PQR IS 35, find the perimeter of angle FGH
asked by Anonymous 
physics
TWO BLOCKS a AND b ARE CONNECTED BY A HEAVY ROPE OF MASS 2kg THE MASSES OF a AND b ARE 10 AND 5kg RESPECTIVELY.IF AN UPWARD FORCE OF 200N IS APPLIED TO THE TOP ROPE,THE SYSTEM IS MOVING VERTICALLY UPWARD UNDER GRAVITY A:FIND THE ACCELERATION OF THE SYSTEM
asked by Fonde 
writing
write a 150200 word paragraph to explain how purpose, content, audience, and tone impact academic writing.
asked by unknown 
social studies
how are community celebrations and national holidays different
asked by andy 
Algebra IIPlease check
I'm sorry the computer jammed on an earlier post and I couldn't do anythingso here is the problem I need asistance with Please check and offer adviceI'm NOT SURE IF I USED CORRECT FORMULASthank you the problem is List the center, vertices, and foci of
asked by Josh 
Math
A shopkeeper packages together two types of hard candy: peppermint and cinnamon. Separately the peppermint candy sell for $1.80/kg and the cinnamon candy sells for $2.40/kg. The mixture sells for $2.16/kg. Determine the amount of each type of candy that is
asked by Sienna 
Finance
Find the future value one year from now of a $7,000 investment at a 3 percent annual compound interest rate. Also calculate the future value if the investment is made for two years.
asked by audrey 
penn foster
what is a POA unducator? How and when are they used
asked by emma 
billing and coding
what is a POA indicator used?
asked by emma 
Algebra 1
Samantha Jones has a job offer in which she will receive #600 per month plus a commission of 2% of the total price of the cars she sells. At her current job, she receives $1000 per month plus a commission of 1.5% of her total sales. a. What is the total
asked by Annon. 
Physics
How do you conclude the answer to the following : What will be the approximate pressure (bar/psi ) for a bullet shaped object weighing 35kg..500mm diameter x 900mm. to travel horizontally for a distance of 30 metres before landing..
asked by Cory 
math
Find the slope if it exists of the lie containing the pair of points (7,11) and (9,17)
asked by Joslyn 
Algebra 1
Marks pet needs to eat at least 18 grams of fiber but less than 25 grams of protein each day. Mark gives his dog Food A and Food B throughout the day. Food A has 2 grams of fiber and 3 grams of protein in each serving. Food B has 4 grams of fiber and 1
asked by D.D 
government
Using the Internet, encyclopedia, and/other reference material for research, write a 1,000word report on feudalism in the history in one of the following countries: * France * England * Germany
asked by Anonymous 
chem
Earlier I asked does the following represent an equilibrium situation: 1) A glass of iced tea still has sugar at the bottom after several minutes of stirring. If no more sugar can be dissolved could you explain why that represents an equilibrium? Please
asked by maria 
English
Writing sentences and paragraphs. Is the below correct? Paragraphs 1 Dear Mrs. Peggy, I am so glad that I enroll in Penn Foster School for my new career. I wanted to better my education by taking medical billing and coding to help me get a better paying
asked by Mama 
Math
I need help Angle B = 90 degree  28 degree 34' Angle B = 61.43333333... how do I convert decimal answer into degree minute second? please helpa and thank you
asked by NeedHelp 
Finance
Ag Silver Mining, Inc. has $500,000 of earnings before interest and taxes at the year end. Interest expenses for the year were $10,000. The firm expects to distribute $100,000 in dividends. Calculate the earnings after taxes for the firm assuming a 40
asked by Vanessa 
Algebra
Y=2x^3+x^2x
asked by Traci 
Finance
19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your
asked by Vanessa 
integrated algebra
how can you solve x^2  3x = 0 i was using a formula as: x^27x+10=0 (x5)(x+2)= 0 x5=0 x+5 +5 x=5 I was following this formula but got stumped on this question please help.
asked by sally 
english
i have to take out embellishments, misquotations,false benefits and unethical tactics out of these sentence can some one help me 1.The service contract...on the whole...applied to upgrade. 2.All of our costs were within fairguidelines. 3.Al the lots we
asked by morgan 
english
I am trying these on my own is this correct? 1.The service contract...on the whole...applied to upgrade. rewrite: Don't understand this sentence 2.All of our costs were within fairguidelines. rewrite: All the cost were within the guidelines. 3.Al the lots
asked by SHARON 
Health Science
What would be some examples of dilemmas which affect the health promoting work of the podiatrist?
asked by Caroline 
Global
Please break this down for me Any subject  and there were many  toward which he directed his insatiable curiousity, artistic talent and keen scientific mind found itself dissected, improved upon and catalogued for posterity. Leonardo, truly, was a man
asked by Anonymous 
math
If A = 296 ± 4, and B= 535 ± 4, C=AB200B, determine C and its % error.
asked by blaze 
Math
The Commutative Property can be used to rewrite the expression 3 x 5 2/3 as 3(5) + 3(2/3).
asked by Micaela 
Math
The Commutative Property can be used to rewrite the expression 3 x 5 2/3 as 3(5) + 3(2/3). TRUE OR FALSE
asked by Micaela 
Spanish II
Is this how you say "The boy stands up"..."El muchacho lavantarse"
asked by Ebonique 
SAT
How does the SAT motivate students?
asked by Amanda 
chemistry
__NH3(g) + __ O2(g) → __ N2(g) + __ H2O(g) When the reaction above is completely balanced, the coefficient for NH3 will be (a) 2. (b) 3. (c) 4. (d) 6.
asked by Kacie 
geometry
find the coordinates of the circumcenter of tringleABC A(3,1),B(2,1),C(3,8)
asked by Tony 
physics
What is the resulting temperature when a 150g cube of ice at zero degrees celsius is added to 200g of water in a 100g aluminium cup at 30degrees celsius.
asked by victor.m 
trig
3x^2+16y^2=48 conic sections
asked by Anonymous 
ENGLISH
CAN YOU CHECK THESE PLEASE: 1.We followed the protocols precisely with test results yielding further opportunities for experimentation. Rewrite: The test results of the protocols no longer will permit opportunities for future experimentation. 1.Customers'
asked by SHARON 
electrical
A 35 kVA transformer supplies a load of 12 kW at a power factor of 0.45 lagging. Find the percentage of full load the transformer is carrying. If additional unity power factor loads are to be served with the same transformer, how many kW may be added
asked by ram 
English LitPlease check
Does an analogy ever have "as" in it. I'm just trying to figure out figures of speech and I know Writeteacher told me "as" would be a simile but in the following: My brother has grown a great deal in the last year. He is almost as tall as I am now. This
asked by Jamie 
College Algebra
A seed company sells two grades of grass seed. A 100pound bag of a mixture of rye and bluegrass sells for $245 and a 100pound bag of bluegrass sells for $347. How many bags of each are sold in a week when the receipts for 19 bags are $5,369?
asked by Delores 
english
Is it correct to say 'people's psychological, physical and social needs'' or instead of saying people's would I just say people?
asked by Lil 
11th grade english
Hello! I was hoping someone could look over my answers? It's very much appreciated! :) How is the bracketed noun clause used? Subject, Direct object, Predicate noun, or Object of preposition. 1. I am optimistic enough to believe [that young people will
asked by Amy 
Geometry
The line m has the equarion y= 2x + 1. The line n is perpendicular to m and passes through the point A(2,1). Write an equation of n
asked by Marina 
science
Am I correct to label hot chocolate and ocean water as solvents
asked by howard