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May 4, 2016

Search: Calculus - not sure if my work is correct?

Number of results: 66,695

english
find adverb in "This is one of the most democratic way to buy art. Online galleries can exhibit the work of hundred of artists specializing in many different genres including figurative, abstract, landscape , still life, sculpture and so on. This gives you the widest possible ...
May 30, 2011 by kara

health
The main purpose of a peer review committee is to A. collect and prepare information to be submitted to the NPDB. B. establish procedures for confidentiality of incident reports. C. identify activities that suggest guidelines aren't being followed. D. examine the work habits ...
May 31, 2011 by jim

math-a-matic
okay...is this even possible? because i've tried every way i can think of, and i think this might be impossible to solve? the problem is: find five consecutive odd integers such that the sum of the first and the fith is one less than three times the fourth. What kind of ...
October 15, 2011 by Bina

algebra
Annual profit in thousands of dollars is given by the function, P(x) = 100*sqrt(x – 5) + 3000, where x is the number of items sold, x ≥ 5. 3. Find the profit for 6 different values of x (show your work). PLEASE use x = 5, 69, 105, 230, 366, and 489 and make a table using...
August 8, 2012 by twin

Geo 7th Grade
All of the following are concerns about maquiladoras, factories on the United States-Mexico border, except a. they severely lower the GNP of Mexico. b. they negatively impact people’s health. c. they provide tedious work for low pay. d. they create air and water pollution. A ...
November 26, 2012 by rawr... im a dinosaur.... rawr

Physics
A ammeter is to be constructed using a galvanometer that has a 2.00 mA full-scale deflection and internal resistance of 50.0 ohms. It must be good enough to detect 40 mA, which is the max current. How would one do this? How would you make a voltmeter able to read the largest ...
April 27, 2014 by Anonymous

Civics
The Preamble includes the phrase "to form a more perfect union." Why is this reason listed for creating a new Constitution? Plans were made to expand to the Pacific Ocean. The British had provided economic support. The Articles of Confederation did not work. Some states wanted...
March 19, 2015 by Anonymous

ELA
Determine the ideas that would be most worthy to share in a literary discussion about The Watsons Go to Birmingham-1963. Provide an explanation for your choices. How did the role you selected and the work you completed help you to understand more about the text? Support your ...
December 11, 2015 by Peyton

chem!!
Question: 1. The value of the equilibrium constant for the reaction H2CO3(aq) + energy ƒnƒnH2O(l) + CO2(g) can be changed by introducing a change to which component of the equation? This relates to the Le Chatelier principle. Thanks! Keq (the constant itself) changes only with...
June 14, 2006 by ???

English Lit
I really think I have it now. I'm not sure what the dilemma is, its either the lifestyle or the fact that she told Paul that the father had no luck so he tried to help out ending in tragedy. This is a story of a middle class English family that find themselves in a situation ...
November 19, 2009 by Rocking Horse Winner revision

physics (please help)
Four 20 ohm resistors are connected in parallel and the combination is connected to a 20 V emf device. The current in any one of the resistors is: A) 0.25 A B) 1.0 A C) 4.0 A D) 5.0 A E) 100 A I get B V=IR I= 20V/20 ohms = 1 A for any one of the resistors thank you correct.
March 28, 2007 by susane

Chem II
A 0.10 M HF solution is 8.4% ionized. Calculate the H^+ ion concentration. The "8.4% ionized" is throwing me. This is my line of thinking. For every mole HF disolved yeilds one mole of H^+. Since there is 0.10 M HF and the solution is 8.4% ionized = 0.84 M. Is this correct?
June 18, 2008 by Ken

intermediate algebra
Pat can design a website in 20 hours. His friend can design the same site in 30 hours. How long will it take to design the website working together? I got 12 hrs. Is this correct?
November 6, 2008 by jennifer

intermediate algebra
Pat can design a website in 20 hours. His friend can design the same site in 30 hours. How long will it take to design the website working together? I got 12 hrs. Is this correct?
November 7, 2008 by jennifer

reading
I have question about the milkweed book by jerry spinelli What do you think the milkweed symbolized? I think is a symbol of hope and angel. Do you think my answer is correct or there is a different answer. Thank you
May 1, 2009 by john 2

Math
solve 3(2x-2)=18 select the correct choice below& if necessary fill in the answer box to complete your choice. a. the solution is x= simplify answer. b. the solution is all real numbers. c. there is no solution.
September 26, 2009 by Cathy

Trigonometry
I just want to know if this answer is correct, 120/169. Use identities to find the indicated value for each angle measure. sin θ = 12/13, cos θ > 0 Find cos (2θ).
May 1, 2010 by Shayla

personal finance
Which of the following investments would rank the highest with regard to safety? A)Government bonds B)Common stock C)Preferred stock D)Corporate bonds IS A Government bonds correct?thank you:))))
August 6, 2010 by vedrana

MATH (PLease HELp)
Sally has three times as many dimes as nickels and twice as many quarters as dimes.In all she has $5.55. How many coins of each type does she have? Let 2x=quarters 3x=dimes x=nickles <---- is that correct please help put
October 18, 2011 by Tiffany

Texas Government
Minor bills are much more likely to pass than major bills. a. yes b. no It is an obviously yes because minor bills are through special committees who make the bill pass.. correct?
November 6, 2011 by HM

languag arts
In the sentence, "Sylvia looks good in her mermaid costume" why is good the correct word used as an adjective, as opposed to using well as an adverb. Isn't "good" describing how Sylvia looks?
January 16, 2012 by Jen

physics
The lowest resistance in a common electric circuit containing a common lamp is in which of these A) connecting wires.B) Both of these.C) Neither of these.D) lamp filament. I would say lamp filament is this correct?
April 14, 2012 by Christy

maths
A lighthouse is 9.6 nautical miles from a ship which bears 156 degrees from the lighthouse.How far is the ship east of the lighthouse?Give answer correct to one-tenth of a nautical mile.
March 3, 2013 by Shane

CHEMISTRY
Determine if it is polar or non-polar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar Nonpolar polar Nonpolar are my answers correct????
March 5, 2013 by nidscorection

algebra1
mr jones estimates his profit starting in 2006 will be given by the formula p=7t^2-14t+10 where t is number of years and p is the profit.if this formula is correct,when will mr.jones have a profit of more than $1000. please help
May 2, 2013 by Bob

english
What is the correct way to write mens' in this sentence? After their group got caught in the rain, the mens' clothes were all soaked. A. Leave the sentence as si. B. Men's C. Mens's D. Men'
May 10, 2014 by Anonymous

Maths
the length of a rectangle L metres and the width of the rectangle is W metres. Each measurement is correct to the nearest cm. Find, in terms of L and W the difference between the lower bound and the upper bound of the area of the rectangle.
November 12, 2014 by Graham

math
A $300 mountain bike is discounted by 30% and then discounted an additional 10% for shoppers who arrive before 5am. If you go to the store at 4:30 am, how much will you pay? I did 300^30 =90. 300 -90 ==210 ^ 10 =2.10. 210-2.10= 207.90. Is this correct?
March 25, 2015 by sam

Enlish
I'm supposed to be writing an essay and these are the instructions: This semester you read several memoirs, including pieces by Ernesto Galarza and Russell Baker. Return to “Barrio Boy” and “No Gumption” now. How are these two memoirs similar? How are they different? In what ...
January 24, 2013 by studeny

english help please!!
Read the following excerpt. The journalist spent a year researching the foreign government's sanctions. Finally, it was time to synthesize all of the relevant information that he had learned. His editor asked him to write a comprehensive article for the first piece in the ...
January 26, 2016 by Oscar

calc
The cost of producing d hundred plastic toy dinosaurs per day in a small company is C(d) = 120 + 30d + 1 8d4 dollars. This company is currently producing 500 di- nosaurs each day. Using calculus, estimate how much the company should change the production to make their daily ...
October 16, 2013 by hannah

CALCULUS HELP!!
I haven't done this type of problem in a while, so if someone can just show me how to set it up, I can figure out the rest. (: "A 13-foot ladder is leaning against a building when its base begins to slide away from the base of the building. By the time the base is 12 feet from...
December 1, 2013 by Lindsay

Calculus
The CIA published data about foreign countries on its web page. In particular they show total population as well as population growth. If a student is looking at Russia, they will see that the total population of Russia is declining. When they look at the table that shows ...
June 17, 2014 by Jamie

ENGLISH
WHICH OF THE SENTENCE USES appostrophe CORRECTLY? A. She enjoyed the movie and told me it's scenery reminded her of her hometown. B. You really ought to take up fly-fishing-it's a very relaxing hobby. C. This is a fine piece of furniture,and it's merits speak for themselves. D...
August 6, 2008 by shayla

Math
Assuming that a typical popular music CD comprises 12 songs each of 8500 KB, what would the effective transmission speed need to be capped at in order to extend the download time to 2 hours? Express your final answer in bits per second, using scientific notation correct to two...
May 27, 2010 by DezQ

math
Assuming that a typical popular music CD comprises 12 songs each of 8500 KB, what would the effective transmission speed need to be capped at in order to extend the download time to 2 hours? Express your final answer in bits per second, using scientific notation correct to two...
May 28, 2010 by Golkhadi

Grammer
i treid my best to make the sentnce sound good, but its still sounds funny. can you please correct this sentence for me. Thank You so much! It is not surprising that polar bears in the north are decreasing in population due to glacial deterioration nor the acid precipitation ...
February 15, 2012 by Pria

English
Which one of the following sentences demonstrates correct subject-verb agreement? A. A number of my friends have bought new cars recently B.Epena thinks five dollars are a lot of money C.Roberts friend Steve ,as well as his wife are going to the fair D. Each of his sisters go ...
March 11, 2012 by Brenna

Chemistry
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the equation i think it's C2H6OH...
October 24, 2015 by Mark

chemistry
In winemaking, the sugars in grapes undergo fermentation by yeast to yield CH3CH2OH and CO2. During cellular respiration, sugar and enthanol are "burned" to water vapor andCO2. Write a combustion reaction for ethanol. I need help with balancing the equation i think it's C2H6OH...
October 25, 2015 by Mark

Chemistry(Urgent, please respond, thanks!!)
1) For the reaction system, 2 SO2(g) + O2(g) = 2 SO3(g), Kc has a value of 4.62 at 450.0 K (Kelvin). A system, at equilibrium has the following concentrations: (SO3) = 0.254 M; (O2) = 0.00855 M. What is the equilibrium concentration of SO2? Is set this up as 4.62=(SO3)^2 / (...
March 14, 2012 by Hannah

Physics
a ball thrown horizontally from a point 40m above the ground,strikes the ground after traveling a distance of 9m. with what speed was it thrown? use g=10m/s^2 first i need to find the time so I used y=y_0 +v_0t +1/2at^2 -40=-1/2(10)t^2 t=8s then x=x_o+vt 9=v(8) v=1.125m/s Is ...
September 26, 2007 by Tammy

Physics
A hockey puck is sliding across a frozen pond with an initial speed of 6.5 m/s. It comes to rest after sliding a distance of 7.6 m. What is the coefficient of kinetic friction between the puck and the ice? I know this one is not that difficult. However, I can't seem to get the...
December 5, 2007 by Lindsay

Grammer
This year, the local magazine reaches all homes in the area. It would be a great opportunity to let people know the benefits of your business. I want to ask, should the two sentences from above be connected into one with a comma, or is leaving as two seperate sentences? Which ...
June 26, 2008 by Eve

Medical transcription
Can you please tell me if the following transcription for a Pathology report makes sense, and if it is correct? The glands'slides closed together, but afebrile's stroma separates them. Copora amylase is present within numerous glands. Papillary epithelia hyperplasia is noted. ...
November 8, 2008 by Ruth

Chemistry
Which value represents the first ionization energy of a nonmetal? 497.9kJ, 577.4kJ, 811.7kJ, or 1000.kJ ? I think the answer is 1000. kJ, since it is the highest amount. Am I correct? My reasoning is that nonmetals have higher ionization energies than metals.
December 1, 2008 by Anonymous

psychology
AS AN ADVOCATE OF SOCIOCULTURAL THEORY, YOU WOULD BE MOST INTERESTED IN THE A) INTERPLAY OF GENETIC INHERITANCE AND ENVIROMENT B) IMPACT OF BEING AFRICAN AMERICAN ON YOUR LEARNING ABILITIES C) ROLE OF THE UNCONSCIOUS IN LEARNING D)ROLE OF CONSCIOUSNESS IN CHILD DEVELOPMENT. I ...
December 17, 2008 by NIA

Chemistry check Please
The question is: Find the following quantities the volume, in liters, of 835 g SO3 at STP My answer is: 1 mol of SO3=80g 835g/80g = 10.44 mols v = (10.44 x 8.314 x 273)/100 = 236 L Can someone tell me if I did it correct. Thanks very much.
March 9, 2009 by Mike

math
Eric deposted $32,000 in a savings account to save for his children's college education. The bank pays 8% tax-deferred interest per year compounded quarterly. How much will his account be worth at the end of 18 years? 32,000(1.02)^72=$113,156.50 Is this correct?
October 20, 2009 by Hector

english
I am trying to find 3 poetic devices in the poem "The Road Not Taken" by Robert Frost. I think "to Where it bent in the undergrowth" is personification I think "Somewhere ages and ages hence" is figurative language and "then took the other, as just as fair" is a simile Am I ...
January 25, 2010 by Ash

algebra
A man finds three wallet on the ground containing $5. The next day, he finds five wallets, each containing $5. (Let's assume he's: 1) lucky, and 2) dishonest.) In all, how much did he find? 1 X 5 + 5 X 5 = 30 (order of operations) My teacher said this was not correct can ...
July 30, 2010 by michelle

3rd homework
think about how the word safe relates to dangerous. what words relate in the same way? safe: dangerous a) remove:add b) canyon:rim c) dangle:plank d) grip:jackhammer I am thinking "A" is the correct answer but unsure. Please advise. Thanks!
October 26, 2010 by choconcung

math (check my answer?)
Find the equation of a sine function that has a vertical displacement 2 units down, a horizontal phase shift 60 degrees to the right, a period of 30 degrees, a reflection in the y-axis and an amplitude of 3. My attempt at an answer: Y = 3 sin (30x- 60) -2 Can someone tell me ...
January 22, 2011 by stephy

Spanish
Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following sentences in Spanish. 12. C Maria knew everyone. 13. S Because he had already seen the movie, he knew what happened? 14. S The student knows the answer. 15. C He knows...
March 23, 2011 by anon

english
could you please correct it, and help me write it in a better manner. From the sunset phrase the readers anticipated that the boat was in fact the transportation to heaven, and that the passengers were all from the dead. Moreover, this could only mean that the pilot of the ...
August 21, 2011 by pria

algebra help write expression
I need to write algebraic expressions: for these 6 sentecnces 1) four more shirt than s shirts 2) the quotient of p and 5 3) the sum of t tv's and 11 tv's 4) five times your quiz score q 5) nine cards fewer than e cards 6) divide the total points p by 3 heres what i got: 1) s...
October 10, 2011 by marko

Chemistry
Calculate the pH of a 100mL solution of 0.10M acetic acid ka=1.8x10(-5) i calculated the pH to be 2.87 from the square root of (1.8x10(-5) * 0.1, the negative log gives me the pH. The next question wants you to calculate the pH with 50mL HCl added. I found the pH to be 2.78 by...
October 25, 2011 by Kevin

math
the height, h, of a ball t seconds after it is released for a jump shot in a basketball game can be modeled with the equation h = −16t2 + 12t + 8. The rim of the basket is 10 feet high. Which of the following is the correct way to set up the problem to solve when the ...
March 1, 2012 by krysta

Physics
A rotating space station has radius 1270 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight? I got 101.1 seconds... is this correct? Please help!
June 3, 2012 by Brandi

Chemistry
I'm working on a problem dealing with calculating the heat of vaporization for vapor pressures problem. By substituting the problems values into the Clausuis-Clapeyron equation I get: .642= (2.28x10-5) x Delta H vap (J/mol) However, from this point I don't know how to ...
March 11, 2013 by Marcus

chemisty
3.14M NaN3 (pKb=9.28) is titrated with .663M HClO4 until it reaches the equivalence point. How do you calculate the pOH at the equivalence point. I tried and got something around 9 but its not correct i used a table but without liters given i have not idea where to go or what...
March 16, 2013 by sreedevi

PHYSICS! I CAN NOT GET
A group of swimmers is resting in the sun on an off-shore raft. They estimate that 2.5 m separates a trough and an adjacent crest of surface waves on the lake. They count 15 crests that pass by the raft in 15 s. How fast are the waves moving? ____m/s (I got these answers and ...
April 12, 2013 by Jessica

Education
A good reason to include the study of religions in school is that A) schools are responsible for moral training. B) all children have religious needs. C) religious references and allusions permeate our lives. D) churches expect schools to do it. I believe the answer it C, is ...
May 2, 2013 by Anonymous

VERY URGENT Language arts
“First of all I dismembered the corpse. I cut off the head and the arms and the legs? What kind of context clues helps you determine the meaning of dismembered? Characteristics Contrasting words Examples Explanatory words and phrases*** Am I correct?
September 4, 2013 by Gabby

English
Am i correct? Since I have never actually been on a plane, my fear of flying is purely __________; my fear of tight spaces, however, is __________ and based on past experiences. acute…deliberate fatuous…gregarious theoretical…authentic <--- inane…querulous
October 7, 2014 by Anonymous

French
I have a couple of questions. Is this a correct way of saying I like to ride a bike in the summer? Do I need an article before été? En été, j'aime faire du vélo. Is l'opération male or female? How do you say I like to visit different places in the holidays?
November 19, 2014 by Anonymous

Science
2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer. (I think I solved this correctly ...
March 9, 2015 by Grace

PSYCH
In which theory is it of utmost importance that an infant develops a relationship with at least one primary caregiver for both social and emotional development to happen properly? A. Attachment theory B. Culture C. Persistence model D. Erikson’s Stages of Psychosocial ...
June 29, 2015 by MAE

Math (help please)
Origami is the Japanese art of paper folding. The heart shown on the Lesson 6 assessment page was created using origami. A classmate classifies this polygon as a hexagon. Is this classmate correct? How would you justify your response? I just need help on making an answer.....
January 29, 2016 by Yuno Gasai

Math-Statistics
5) You know that you will inherit 20% of your uncle John’s wealth, 30% of your aunt Becky’s wealth and 50% of your parent’s wealth. Since they are not dead yet, their respective wealth is a RV and all we know is that their wealth at death is ~N and independent of each other. ...
March 24, 2014 by Niccoli

Grade 12 Calculus
6. The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How far does ...
April 15, 2013 by Fadak

Grade 12 Calculus
The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely? c) How far does the...
April 18, 2013 by HELP MEE PLEASE

Calculus
I am in a car and travel for 12 minutes. Below are the speeds in mph, recorded every two minutes. Use trapezoids, right-bound rectangles, and midpoint rectangles to estimate the distance I traveled. Min 0 2 4 6 8 10 12 Speed 20 22 35 46 50 50 20 Trapezoids: Right-bound ...
February 5, 2015 by Anonymous

Calculus (30min before deadline help pls )
A street light is at the top of a 16 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 3 ft/sec. At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 36 ft away from the ...
April 9, 2016 by Amelia

Calculus
Optimization: A man on an island 16 miles north of a straight shoreline must reach a point 30 miles east of the closet point on the shore to the island. If he can row at a speed of 3 mph and jog at a speed of 5 mph, where should he land on the shore in order to reach his ...
April 30, 2016 by Sammy

Calculus
Suppose f(x,y) = XY(1-10X-5Y). f(x,y) has 4 critical points. List them in increasing lexographic order. By that we mean that (x, y) comes before (z, w) if x<z or if x=z and y<w. Also, describe the type of critical point by typing MA if it is a local maximum, MI if it is ...
October 16, 2011 by Rajeev

calculus
At a constant temperature, the pressure, P, and volume, V, of a trapped gas have the relationship P equals the quotient of k divided by V , where k is some positive constant. What occurs if the volume is compressed such that V → 0+? The pressure increases without bound. ...
February 5, 2014 by ashley

College algebra
Okay theres another part to this equation and I'm not sure if this is the right answer either. 5x+6y=18 solve for y. 6y = 18-5x y = (18-5x)/6 The second part is when graphed this equation would be a line. What is the slope and y-intercept of this line? The slope would be 3 y-...
November 16, 2007 by Alicia

Algebra II
If a bedroom set sells for $10,000 and a living room set sells for $18,000,determine the number of bedroom sets and living room sets that must be sold to maximize the amount collected. I'm not sure what I need to do to set this up.
December 17, 2007 by Jon

Algebra 2
If a bedroom set sells for $10,000 and a living room set sells for $18,000,determine the number of bedroom sets and living room sets that must be sold to maximize the amount collected. I'm not sure what I need to do to set this up.
December 17, 2007 by Jon

math
How do I set up a truth a truth table for: All, programmers are fast typist. Some, fast typist are clever. Therefore, some programmers are clever. I know this is an invalid argument but I"m not sure what the truth table should look like. thanks.
June 26, 2012 by Anonymous

Calculus
The function g is defined for x>0 with g(1)=2, g'(x)=sin(x+1/x), and g"(x)=(1-1/x^2)cos(x+1/x). A. Find all values of x in the interval 0.12<=x<=1 at which the graph of g has a horizontal tangent line. B. On what subintervals of (0.12,1), if any, is the graph of g ...
May 7, 2015 by Sarah

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. D. Most effective managers...
August 22, 2012 by kim

Improving Your Writing
Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support for the four ...
February 24, 2010 by SASSY

Chemistry
the solubility of argon in water at 25 degrees celcius is 0.0150M. what is the henry's law constant of Ar if the partial pressure of argon is 0.00934 atm. A)0.000140 M/atm B)0.623 M/ atm C)1.61 M/atm D) 4.10 M/atm K=Pgas/Cgas Post your work if you get stuck.
April 27, 2007 by natali

Geometry
Angle DEF is similar to Angle HJK and the scale factor of angle DEF to anle HJK IS 5/2. If EF =15 FIND JK Here is what I came up with Am I correct 5/2 = EF/JK 5/2 =15/JK 5(JK)=30 JK=30/5 JK=6 Thanks much
June 13, 2007 by DANIELLE

English expression
1. I applied a kiwi pack on my face. 2. I applied a pack on my face to protect my face. ======================================= Are both sentences correct? Do we have to add 'a' or remove 'a'?
October 26, 2007 by John

Chemistry
One mole of methane has a mass of 16.0 grams. 1000cm3 of methane have a mass of 0.174 g. What is the correct expression for calculating the volume of 1 mole of methane?
November 3, 2007 by Lucy

Math: is this the right answer?
i have to find the midpoint... the two points too find the midpoint are (4,2)&(8,-6). the equation to get the answer is... x+x/2 & y+y/2......i came up with (6, -2) being the midpoint on that line; is that correct?
September 11, 2008 by Kristin;

grammar
Is it grammtically correct to refer to a late person's nationaity in the pat tense e.g My late grandmother was a briton? Or should I say my late grandmother is a briton?
October 7, 2009 by Iroro

math 116
find an equivalent equation with the given denominator 7/b= ?/b squared the expression that is equivalent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivalent? 7/b = 49/b squared? Am I correct? Thanks
November 20, 2009 by Amie

Honors Chemistry
If 20 mL of 0.01 M aqueous HCl is required to neutralize 30 mL of an aqueous solution of NaOH, determine the molarity of the NaOH solution. ==> I got 0.01 M NaOH as my answer. Is this correct?
February 23, 2010 by Emily

Math
Today Jamal had a spelling test. There were 21 words on the test. Jamal spelled two-thirds of them correctly. How many words did Jamal spell correct?
April 28, 2010 by Marie

math
sara wants to buy a jacket on sale. its original price is $15.00.The sale is 25% off.How much will sara save by buying the jacket on sale ? my answer is $3.75 is it correct?
November 28, 2010 by AnOnYmOuS1

English
Hello. I will really appreciate some help with grammar. Which is correct: The new concept is based on 1)resources exchange 2)resource exchange 3)the exchange of resources 4)exchange of resources Thank you for your help.
January 30, 2011 by Ilma

history
4. Which sentence contains a verb in the simple past tense? A. She obeys her father. B. She has obeyed her father. C. She had obeyed her father. [D. She obeyed her father.] is my answer correct
December 14, 2011 by jake

Chemistry - is this correct?
Write the electronic configuration for nickel(#28). I know it is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8 (b) How many electrons are there of highest energy in nickel? Is it 8? (c) how many electrons are there in the outermost energy level(orbit) of nickel? Is this 8 also?
October 28, 2013 by Anonymous

Chemistry
For an H+ concentration, [H+], of 4.3 x 10-4 M, would this be acidic, neutral or basic? Why? I'm assuming that because it is an H+ it would be acidic and H+ means acidic and OH- means base. Is this correct? And is there a better formula for this equation?
November 29, 2014 by Chris

Math
Stephen was taking photographs of 71 different locations. At each location Stephen too 24 different pictures. How many pictures did Stephen take total? Is this answer correct 71 X 24 = 1704?
January 21, 2015 by Jim

Spanish
Which of the following is the correct plural form of "carne sabrosa"? a. carne sabrosas b. carnes sabroses c. carne sabrosos d. carnes sabrosas*** Answer this Question
December 8, 2015 by Kaai97

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