Questions Asked on
April 2, 2011

chemistry
when ammonia is added to Zn(NO3)2 solution, a white precipitate forms, which dissolves on the addition of excess ammonia. But when ammonia is added to a mixture of Zn(NO3)2 and NH4NO3, no precipitate forms at any time. Suggest an explanation for this
asked by Ana 
math
Why did the sea monster eat 27 ships carrying potatoes?
asked by keana 
math
The windows of a downtown office building are arranged so that each floor has six fewer windows than the floor below it. If the ground floor has 52 windows, how many total windows are on the first eight floors?
asked by matt 
math
I have 14 questions and I was wondering if someone could check my answers. This is a do or die situation. If I don't get an A, I may not get to graduate. I really appreciate you taking your time to double check theses for me. Thanks if you do. I know its a
asked by Brittany 
Human Growth and Development
According to Erikson, the stage of intimacy versus isolation: a. Is followed by the search for identity b. Is characterized by a need for generativity c. Involves the need to share one’s personal life with someone else d. Occurs only if one avoids
asked by Megan :) 
chemistry
calculate the OH concentration in (a) 1.0M NH3 and (b) a solution that is 1.0M in NH3 and also 1.0M in NH4Cl. (Kb = 1.8 x 10^5 for NH3)
asked by Ana 
math
Freitas Corporation was organized early in 2009. The following expenditures were made during the first few months of the year: Attorneys' fees in connection with the organization of the corporation $12,000 State filing fees and other incorporation costs
asked by Bobbi Loffredo 
PHYSICS
A space station consists of two donutshaped living chambers, A and B, that have the radii shown in the drawing. As the station rotates, an astronaut in chamber A is moved 3.18 102 m along a circular arc. How far along a circular arc is an astronaut in
asked by Jacob 
accouting
Nancy Company has budgeted sales of $300,000 with the following budgeted costs: Direct materials $60,000 Direct manufacturing labor 40,000 Factory overhead Variable 30,000 Fixed 50,000 Selling and administrative expenses Variable 20,000 Fixed 30,000
asked by eric 
Math
Oaktree Company purchased a new machine and made the following expenditures: Purchase price $45,000 Sales tax 2,200 Freight charges for shipment of machine 700 Insurance on the machine for the first year 900 Installation of machine 1,000 The machine,
asked by Bobbi Loffredo 
finance
You were hired as a consultant to Giambono Company, whose target capital structure is 40% debt, 15% preferred, and 45% common equity. The aftertax cost of debt is 6.00%, the cost of preferred is 7.50%, and the cost of retained earnings is 12.75%. The firm
asked by adam 
Chemistry
If 111.70 g of iron react with oxygen gas to produce iron (III) oxide, how many moles of oxygen gas will be needed?
asked by Heyyy 
chemistry
if air bubbles remain in the burette during the titration, what will the effect be on the calculated values of :: a the concentration of NaOh b the molarity of H2SO4 ??
asked by Huda 
Physics
Two identical pucks are on an air table. Puck A has an initial velocity of 2.0m/s in the +xdirection. Puck B is at rest. Puck A collides elastically with Puck B and A moves off at 1.0m/s at an angle of 60 degrees above the xaxis. What is the speed and
asked by Help! 
Chemistry: Answer check please!
1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of the arrow equals the mass on
asked by Cheryl 
chemistry
suppose you are given the following experimentally observed facts regarding the reactions of silver ion. (a) Ag+ reacts w/ Cl to give white AgCl (s) (b) Ag+ reacts with ammonia to give a quite stable complex ion, Ag(NH3)2+ (c) a black suspension of solid
asked by Ana 
algebra
A pair of emirps consists of two prime numbers such that reversing the digits of one number gives the other. How many pairs of twodigit emirps exist such that each number in the pair is greater than 11?
asked by Sara 
Physics
A car with a mass of 1700 kg is traveling directly northeast (45 degrees between north and east) at a speed of 14m/s (31mph), and collides with a smaller car with a mass of 1300kg that is traveling directly south at a speed of 18m/s (40mph). The two cars
asked by Anonymous 
Physics
If a rock is dropped from a height of 64 feet, how long does it take to hit the ground? How fast is it going when it hits the ground?
asked by Ann 
calculus(work)
a rectangular water tank has a length 20 ft, width 10 ft , and depth 15 ft . if the tank is full , how much work does it take to pump all the water out (using calculus)?
asked by tony 
chemistry
If the end point in the titration of oxalic acid with NaOH solution is superpassed (too pink), will the molar concentration of NaOH be hiegher or lower than the actual value ? Explain ..
asked by Huda 
Chemistry
I am having trouble figuring out the calculations for osmotic pressure. This is what I need to do. Indicate whether the osmotic pressure of a 0.1M NaNO3 solution will be less than , the same as , or greater than that each of the following solutions a. 0.1M
asked by allison 
URGENT  Trigonometry  Identities and Proofs
Okay, today, I find myself utterly dumbfounded by these three questions  Write a proof for  2/(sqrt(3)cos(x) + sin(x))= sec((pi/6)x) Solve the following equation  2sin(2x)  2sin(x) + 2(sqrt(3)cos(x))  sqrt(3) = 0 Find all solutions (exact) to the
asked by Veronica 
physics
A car traveling at 22.1 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long sustained note of frequency f0 = 235 Hz. The sound is reflected
asked by help me 
algebra
A parent raises a child's allowance by 12% each year. If the allowance is $3.50 now, when will it reach $18?
asked by Beverly 
Chemistry
Balanced ionic equation for ClO + Fe(OH)3 = Cl + FeO4. Show electron balance and work
asked by BJ 
chemistry
calculate the work done (in joules) when 50.5g of tin dissolves in excess acid at 1.08 atm and 27 degrees Celsius
asked by Anonymous 
Chemistry
What is the molarity of the solution prepared by diluting 25.0ml of 0.220M NaCl to 75.0ml of final volume?( explain your steps)
asked by Sara 
English
In paragrpahs 24 the article Public Statement by Eight Clergymen why does King use narrative in paragraph 2 and why does King use refutation. In paragraph 3 why does King use allusion.
asked by Anonymous 
chem
calculate the work done (in joules) when 50.5g of tin dissolves in excess acid at 1.08 atm and 27 degrees Celsius. Assume ideal gas behavior. Sn(s)+2H+(aq) > Sn2+(aq)+H2(g)
asked by Anonymous 
Chem
net ionic equation of aluminum hydroxide + sodium hydroxide
asked by Adrianna 
Math
On March 31, 2009, Wolfson Corporation acquired all of the outstanding common stock of barney Corporation for $17,000,000 in cash. The book values and fair values of barney's assets and liabilities were as follows: Book value Fair value current assets
asked by Bobbi Loffredo 
chemistry
can someone please explain to me in dummy language this question... Why is the graph of transmittance versus concentration not linear?... Thankyou very much
asked by jen 
Chemistry 105
The molar heat capacity of silver is 25.35 J/mol*C. How much energy would it take to raise the temperature of 12.0 g of silver by 14.6 degrees Celsius?
asked by Katherine 
Chemistry
Determine the final concentration of 20ml of 5M NaCl of solutions after 30ml of water has been added.
asked by Kate 
Social Studies/World History
hi I was doing a study guide for a big test I'm having in my World History class and I was wondering if anyone can help me answer this question... what trends in political organization and economic development can be identified in 20th century world
asked by Amanda 
Math(Please check)
Find the x coordinates of all relative extreme points of f(x)=1/4x^4 + 2/3x^3 3/2x^2 + 4 f'(x)=x^3 + 2x^2  3x = 0 (x^2 + 3)(x1) = 0 x=3 x=1 x=0 Is this correct?
asked by Hannah 
ALGEBRA
A magazine advertises its $12 annual subscription price as 70% off the newsstand price. What is the number of dollars per year a reader would spend if the magazine were purchased at the newsstand price?
asked by kasey 
English
1. The President is to visit China next month. 2. The President is going to visit China next month. 3. The President is due to visit China next month. 4. The President is scheduled to visit China next month. (Does #1 mean #2, #3,and #4? Is #1 commonly used
asked by rfvv 
Business Communication
1. Identify the sentence that contains the correct form ( the contraction or the possessive word). a. As the saying goes, "Its hard to say goodbye." b. As the saying goes, "It's hard to say goodbye." c. As the saying goes, "Its' hard to say goodbye." d. As
asked by Shauny 
English
Can anyone summarize acts II and III of Romeo and Juliet into two separate paragraphs? I can't seem to put the scenes into detail for my upcoming play. Something detailed please and thank you!
asked by micah 
Urgent Math please check
Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really
asked by Brittany 
Math(Please check)
Find the x coordinates of all relative extreme points of f(x)=1/4x^4 + 2/3x^3 3/2x^2 + 4 f'(x)=x^3 + 2x^2  3x = 0 (x^2 + 3)(x1) = 0 x=3 x=1 x=0 Is this correct?
asked by Hannah 
physics
If 4.5 L of antifreeze solution (specific gravity = 0.80) is added to 4.5 L of water to make a 9 L mixture, what is the specific gravity of the mixture?
asked by Anonymous 
Chemistry: Answers please check
1. The kineticmolecular theory states that all particles of matter are always in motion. a.) True b.) False Answer: True 2. Gases have molecules in rapid random motion. a.) T
asked by Cheryl 
algebra
What is the 100th term of the arithmetic sequence 3/4, 5.25, 39/4, 14.25,...? Express answer as a decimal to the nearest hundredth.
asked by kasey 
Math
A can has a diameter of 9 inches and a height of 11 inches. What is the area of a label that goes around a can?
asked by Reneisha 
Algebra
what is the positive difference in the sums of the letters in the words MATH and COUNTS, if each letter is assigned a value as follows: A=1, B=2, C=3, D=4, ..., Y=25, Z=26?
asked by Jack 
physics
A 33kg traffic light hangs from a vertical beam by two wires. The wire on the left side of the light has an angle of 53 degrees to the beam and the right side wire has an angle of 37 degrees with the beam. Calculate the tension in each of the wires. Would
asked by Mark 
Chem: Two questions
Identify the two types of reactions: 1. A+B> Answer: Synthesis Reaction 2. A+BC>AC+B Answer: Single Replacement or Substitution Reaction THANK YOU !
asked by Cheryl 
Math
Find the slope of the tangent line to the curve y= 4 / 3(x^3  2x^2 + 3x 5) at (2, 4/3) the answer choices are 1) 2/3 2) 4/3 3) 28/3 4) 8/3 5) 8/3 My answer was 4/3 but this is wrong.
asked by Hannah 
physics
Why is it impossible for a material to have an index of refraction less than one
asked by iqra 
Chemistry: Check please, these are hw assignments
1. Gases can be considered fluids. a.) True b.) False Answer: False 2.Gases are not easily compressed. a.) True b.) False Answer: True 3. Gases spread to fill out space. a.) True b.) False Answer: True 4. Increased pressure on a gas at constant temperature
asked by Cheryl 
English
1. What do you have to do in an emergency? 2. What do you have to do in emergency? (Which one is correct? Are both OK? Do we have to use 'a'?)
asked by rfvv 
Algebra
A threedigit number has the same hundreds, tens and units digit. The sum of the prime factors of the number is 47. What is the threedigit number?
asked by Jon 
physical science
Compare the amount of heat required to change the temperature of 150 kg of copper from 12 degrees celcius to 56 degrees celcius to the amount of heat required to change the temperature of 150 kg of gold from 12 degrees celcius to 56 degees celcius.
asked by Judy 
physics
A car is travelling at 42.4 km/h on a flat highway. The acceleration of gravity is 9.81 m/s^2. If the coefficient of friction between the road and the tires on a rainy day is 0.125 what is the minimum distance for the car to stop? Answer is metres
asked by grace 
physics
Explain how you can tell the following statement is false A neutron was moving in a circle while speeding up. As a result, gamma rays were emitted.
asked by iqra 
physics
Explain how you can tell the following statement is false A neutron was moving in a circle while speeding up. As a result, gamma rays were emitted.
asked by iqra 
Chemistry
If 31.00 mL of a dilute solution of lime water (calcium hydroxide) required 10.10 mL of 0.246 M hydrochloric acid solution for neutralization to a methyl red end point, calculate the molarity of the lime water. Can you please explain how to do it? Do I use
asked by Lara 
Early Childhood Education
1. The purpose of program planning is to A. keep children safe and healthy. B. provide routines to keep children busy. C. organize experiences that support growth and nurture development. D. let children do what they want to do. 2. The term used to
asked by Heather 
calculus
6. A parabaloid with height h and radius r has volume 1/2 pieR^2H. Consider a parabaloidshaped water tank with height of 7m and radius of 4m. If V is the volme of water in the tank and h is the depth of water, find the relationship between dV/dt and
asked by andrew 
calculus
1. Consider a projectile, say a frictionless teddy bear, which is thrown at an angle of theta with an initial velocity of v0. a) For a fi xed angle, and the maximum height of the teddy bear. b) Calculate the distance that the teddy bear travels before
asked by andrew 
SCI 275
. Final Project: Mitigation Strategies and Solutions • Resource: Appendix A • Use the topic you chose for the Capstone Discussion Question or choose another topic you have learned about over the past 8 weeks. • Focus on a specific environmental
asked by Mary 
Math
Find the relative minimum point(s) of f(x)=x^4/4  x^3 5x^2  10 I know you have to take the derivative but I am not sure how to do that for this problem.
asked by Hannah 
Geometry
The scale factor of two similar triangles is 2/5. if the perimeter of the small triangles is 80 cm, what is the perimeter of the large triangle?
asked by Amanda 
math
The scale factor of two similar triangles is 2/5. if the perimeter of the small triangles is 80 cm, what is the perimeter of the large triangle?
asked by Anonymous 
Social Studies
Both Stalin in the Soviet Union and Hitler in Germany instituted ruthless campaigns against supposed enemies of the state. Why do you think dictators need to find scapegoats for their nations ill? (PLEASE ANSWER THE QUESTION IN ONE BIG PARGRAPH AND THAN I
asked by Hannah 
Early Childhood Education
The purpose of a home visit is to: A. see if the child's family lives in an acceptable neighborhood. B. understand the interactions that go on at home between the child and the family. C. compare the child's actions with those of brothers and sisters. D.
asked by Heather 
math
Provide an example of an arithmetic series which totals zero. Using complete sentences, explain how you created the example.
asked by matt 
Early Childhood Education
An activity that would support small muscle development is A. riding a tricycle. B. dressup. C. jump rope. D. bubble blowing. I can't choose between A or C
asked by Heather 
Math
Differentiate: f(x) = 2x(x^2+1)^7 / 3 2(2x)^6 Would it be 2x / 3(x^2+1)^6 ?
asked by Hannah 
Math(Please check)
Determine whether on not the following limit exists. If, so compute the limit. lim x>3 of sqrtx  4 / x^3 +27 sqrt 3  4 / x^3 + 27 = sqrt 3 4 / 54 Is this correct?
asked by Hannah 
Early Childhood Education
An appropriate sensorymotor activity for a child up to eight months of age is A. touching toys of different shapes, sizes, and textures. B. playing with puzzles with a few large pieces. C. drawing with crayons or markers. D. stringing large beads on a
asked by Heather 
English
1. Tell me when to meet. 2. Tell me when I should meet. 3. Tell me when you should meet. (What does #1 mean, #2 or #3?) 4.She hurried up only to be late for school. 5. She hurried up, but she was late for school. 6. She hurried up, but was late for school.
asked by rfvv 
english
It’s time for a road trip! You are going to a major concert festival in another state and have found a lift there on a ride board through the concert web site. There are three other people sharing the ride with you, each from a different background and
asked by carrie 
English
I went to parentteacher conferences, and it was not what I expected. I have learned that at parentteacher conferences not all the parents show up. Are those sentences correct?
asked by Pete 
chemistry
Predict What would happen if 0.1M NaBr had been added to the solution instead of the Na2S solution
asked by Anonymous 
Algebra II
if 3xy= 3 and x+5y = 15, what is the value of y ? lost here, please assist
asked by anonymous 
Chemistry
What is the concentration of OH in a solution that contains 0.225g of NaOH in 0.250L of solution?
asked by allison 
Algebra
36^236x+9=0
asked by Lisa 
spanish
how to make a sentence in spanish and english in these words.La hija/tener hambre
asked by Jennifer 
Calculus
Use five iterations in Newton’s method to estimate the root of cos(2x)2x.Use x0 = π/4 and eight decimal places.
asked by Matt 
math
sandra wrote the sequence below 2,5,10,17,... which equation represents the rule for finding the nth term of this equation
asked by jayla 
english
when and where did Euclid write the proof of the pythagorean theorem. why did the proof was written.
asked by 000 
physics
A beam of light makes an angle of θi = 7.0˚ with the normal of a slab of transparent material of t=1.00mmthickness. If the index of refraction of the glass is n2 = 1.40 , how far vertically (d) is the point at which the beam leaves the glass surface
asked by matt 
Math Integrated math 4.
From the function rule h(t)=60t16t^2+2. How do we tell from the graph and the table whe h'(t) will be positive, where it will be negative, and where it is zero.
asked by Jasmine 
Phyiscs  Electro static
Particles 1 and 2 of charge q1 = q2 = +3.20 x 1019 C are on a y axis at distance d = 22.0 cm from the origin. Particle 3 of charge q3 = +9.60 x 1019 C is moved gradually along the x axis from x = 0 to x = +5.0 m. At what value of x will the magnitude of
asked by will 
Calculus
t 0 3 6 9 12 v(t) 32 35 37 38 41 Using the chart above, find an upper estimate for the distance traveled using n=2 and n=4
asked by Alice 
social studies
Both Stalin in the Soviet Union and Hitler in Germany instituted ruthless campaigns against supposed enemies of the state. Why do you think dictators need to find scapegoats for their nations ill?
asked by Sally 
Spanish
Could you give me direction about what I am to do here? Am I correct at all? Preterit vs. imperfect Choose the correct form of the appropriate verb to complete each sentence. dio, daba, tenía, tuvo, conocí, conocía, comprabas, compraba, iba, fui,
asked by Euphoria 
chemistry
Balanced equation for OxidationReduction reaction for Ho2 + Cr(OH)3 = CrO4 + OH. Please show your work
asked by Danyelle 
Earth Science
Compare the general temperature and direction of flow of the current that flows off the east coast of the United States with the temperature and direction of flow of the current that flows off the west coast of the United States.
asked by Danielle 
COM/155
Academic writing standards generally condemn the use of first and secondperson pronouns such as I, me, my, you, and your. Why do you think this is the case?
asked by Monica 
specific heat
How many joules of heat are needed to raise the temputure of 10.0 g of aliminum from 22 degree C to 55 degree C, if the specific heat of aluminum is 0.90J/g degree C?
asked by Issis 
Canadian
Who is John A. Macdonald?
asked by Justin Bieber 
i need help i couldnt figure this out...
A block of mass m = 3 kg is attached to a spring (k = 35 N/m) by a rope that hangs over a pulley of mass M = 6 kg and radius R = 6 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,
asked by samJoint 
Early Childhood Education
If you accept children into your day care program at any point that room becomes available, you're implementing a(n) _______ enrollment policy. A. open B. deferred C. unorganized D. restricted I'm thinking this one is A let me know please
asked by Heather 
math
if your are going down a highway at 30 mph for 20 min how far have you gone?
asked by tonya brockenberry 
Early Childhood Education
Which of the following evaluations is most likely to be made by the director alone? A. Evaluation of the facility B. Evaluation of the caregivers C. Evaluation of the program D. Evaluation of the enrolled children I'm thinking C
asked by Heather 
Math
I need to figure out what the graph of f(x)= 1 / (23x)^3 near x=2/3 would look like.
asked by Hannah 
Marketing
The emergency room staff in Houston's largest hospital is surprised and pleased when a fourday Fourth of July weekend brings fewer accident victims in for treatment. They know from experience that such public holidays have high rates of accidents. For the
asked by Ami 
Marketing
Which of the following are high in search properties? clothing TV repair legal services auto repair medical diagnosis I think it is legal services i am unsure.
asked by Ami 
ESL English
What does "strike your fortune" mean?
asked by Amanda E. 
Early Childhood Education
Which of the following statements should not be included in the general principles of selfevaluation in a child care facility? A. The knowledge that a selfevaluation is taking place should be restricted to the program director. B. Selfevaluation should
asked by Heather 
Algebra
A 5 digit positive integer is a "mountain number" if the first 3 digits are in ascending order and the last 3 digits are in descending order. For example, 35 761 is a mountain number, but 32 323 and 35 655 are not. How many 5 digit numbers greater than 70
asked by Jack 
Early Childhood Education
An appropriate art activity for children 18 to 36 months of age is A. making a spatter painting. B. finger painting with shaving cream. C. doing embroidery. D. looking at a mobile. I am thinking it's B
asked by Heather 
physics
A car traveling at 22.1 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long sustained note of frequency f0 = 235 Hz. The sound is reflected off the building back to the car's driver. The sound wave from the
asked by help me 
Algebra II
what is the equation for the line that passes through the point (3,5) and has slope of 3 ? can some assist me with this.? I'm having trouble figuring this out
asked by anonymous 
education
One of the aspects of instructional scaffolding is ownership which values the students own interpretations and requires them to argue for what they are saying. How does this aspect impact the teachers choices and decisions?
asked by Nada 
Math
the graph of y=10e^2k It is concave up correct? Does it have a minimum at x=o?
asked by Hannah 
Macdonald
I don't understand this He was the dominant creative mind which produced the BRITISH NORTH AMERICA ACT and the union of provinces which became Canada. As the first prime minister of Canada, he oversaw the expansion of the Dominion from sea to sea. His
asked by Aby 
grammar
Can someone please help me in figuring out how to write adjectives and adverbs in a sentence. I do not know why this is so difficult for me.... I know what each means, yet I am having trouble identifying them in sentences. Any advice is appreciated :\
asked by Chris 
Chemistry
What are the products of KOH + SO2?
asked by Emily 
math
what is the percent of 405,000 over 16,300,000
asked by pj 
mythology
do the ancient myths provide us with any clues to the rise and fall of large companies such as Enron, Exxon and BP.
asked by Tammy 
Algebra
what kind of solution does ax^2 bx + c = 0 have if b^2  4ac < 0 I think an ellipse.. is this correct?
asked by anonymous 
VOCABULARY STUDIES
WHICH LATIN BASE MEANS HEAD?
asked by AMY 
Math
Find the relative minimum point(s) of f(x)=x^4/4  x^3 5x^2  10 I know you have to take the derivative but I am not sure how to do that for this problem.
asked by Hannah 
algebra
What is the positive difference in the sums of the letters in the words MATH and COUNTS, if each letter is assigned a value as folows: A=1, B=2, C=3, D=4,..., Y=25, Z=26?
asked by Sara 
physics
A beam of light makes an angle of 13.0° with the normal of a mirror made of 4.70mmthick glass silvered on the back. If the index of refraction of the glass is 1.30, how far is the point at which the beam leaves the glass surface (after being reflected
asked by matt 
math
(4)(5)=
asked by davis 
Math
Differentiate: f(x) = 2x(x^2+1)^7 / 3 the answer choices are 1) f'(x) = 2x / 3(x^2+1)^6 2) f'(x) = 2/3  14/3 x(x^2+1)^6 3) None of the above so the answer would number 1 correct?
asked by Hannah 
statics
A manufacturer of golf equipment wishes to estimate the number of lefthanded golfers. How large a sample is needed in order to be 90% confident that the sample proportion will not differ from the true proportion by more than 2%? A previous study indicates
asked by gg 
math
express the fraction as a decimal, round to decimal place52/9
asked by jim 
CALC
f(x)= −10.4sin(3x)+8.5cos(3x) find max and min on interval ( 0.81, 1.27 )
asked by Nicky 
science
your mass is 90 kilograms. you are on the earth where the acceleration of gravity is measured at 9.8 meters/sec sec. What is your weight in Newton?
asked by Ann 
Spanish
70. Me gustan los programas de hechos de la vida real porque on muy _______. a. cariñosos b. realistas c. aburridos d. perezosos B? Thanks MC
asked by mysterychicken 
geometry
If MN=8 and m
asked by Anonymous 
grammar
is this sentence right? Money does not bring happiness nor does material objects
asked by Sara! 
Math
I need to figure out what the graph of f(x)= 1 / (23x)^3 near x=2/3 would look like.
asked by Hannah 
Math
Suppose that x and y are related by the equation x^2/4 + y^3/2 = 4. Use implicit differentiation to determine dy/dx. My answer was 1/3y^2, y cannot = 0 but this is wrong.
asked by Hannah 
math
What is the sum of a 10–term arithmetic sequence where the first term is 3 and the last term is 75?
asked by matt 
math
What is the sum of a 12–term arithmetic sequence where the last term is 13 and the common difference is –10?
asked by matt 
math
What is the sum of the arithmetic sequence 22, 13, 4 … if there are 28 terms?
asked by matt 
math
What is the common difference of a 43–term arithmetic sequence where the first term is –13 and the sum is 9,374?
asked by matt 
math
When finding the sum of the arithmetic sequence 4 + 1 + –2 + –5 + –8 + –11, you will have a step of work that contains the number –3. Use complete sentences to describe how the –3 was calculated and what it means.
asked by matt 
Early Chilldhood Education
Information provided by a parent on an enrollment form can be shared with unauthorized persons only if _______ gives written consent. A. the program director B. the parent C. a staff member D. an agent from the state licensing agency I'm thinking its B i
asked by Heather 
Chemistry
How many moles of CO2can be formed from 0.045 moles of H3PO4
asked by Shauna 
math
Triangle MNO ~ Triangle MLK with LK= 3cm, NO= 12cm, LM= 6cm, and LN= 18cm Find the scale factor of the two triangles. F. 4 to 1 G. 3 to 5 H. 3 to 4 J. 1 to 5
asked by Sommer 
Early Childhood Education
The purpose of evaluating children in a day care program is to A. compare them with the other children in the program. B. have a basis for communicating with parents, schools, and professionals on children's progress. C. see how the children in your
asked by Heather 
Discrete Math
Why use mathematical induction to get the sum of a sequence? Also, if there are any websites you can recommend that will be a help too. However, I need an explanation rather than examples. Thank you for any helpful replies.
asked by Francesca 
literature
Compare various types of Realistic writing. Consider the "West" in the works of Twain, Harte, Red Cloud, and Hopkins. How do they see it differently and similarly? How do they see its potential in terms of the "American Dream"?
asked by mallaliya 
math 20
please explain how to identifyspace value given digit 4,892,736.105.
asked by eddie narayan 
Math
if f(x) = 2x^2 + 5x, find f(x+h)  f(x) / h and simplify. I started to do this but then got lost. 2(x+h)^2 + 5x + 2x^2 + 5x all over h 4x^2 + 4xh + h^2 + 5x + 2x^2 + 5x
asked by Hannah 
Early Childhood Education
Parents' feelings of guilt and anxiety about placing a child in a day care program can be relieved by A. the selfevaluation process. B. the personal interview. C. filling out enrollment forms. D. receiving a deferred enrollment. A?
asked by Heather 
Accounting
This spreadsheet assignment will require you to use multiple approaches to estimating manufacturing overhead costs for a fictitious company, including the highlow method and regression analysis This exercise will require you to perform regression analysis
asked by jim1 
inorgani chemistry
what is the limiting reagent in a mixture of 1g of Fe(NH4)2(SO2)2.6H20 and 5ml of 1M H2C2O4?
asked by thembeka 
Early Childhood Education
Role playing would be an appropriate social studies activity for A. schoolagers. B. preschoolers. C. toddlers. D. infants.
asked by Heather 
Math
Each number in this sepuence is 2 times the number before. write the missing numbers: 1, 2, 4, ....., ....., 32
asked by Emily 
Algebra
What is the remainder when the sum of the first 102 counting numbers is divided by 5250?
asked by George 
math
If A = {a, b, c, d} and B = {1, 0, 1} which of the following relations is a function from A to B. a.(i) {(a, 0), (c, 1), (d, 1)} b.(ii) {(a, 1), (b, 1), (c, 0), (d, 1)} c.(iii) {(a, 1), (b, 1), (c, 0), (d, O)} d.(iv) ({a, 1), (b, 0), (c, 1), (o.O),
asked by michele 
religion
The Middle East is the spiritual homeland for all of the following world religions EXCEPT
asked by william 
Prealgebra
What is the slope of the line, 3y=3x+21?
asked by Mady 
Math
Find the slope of e^x at x=0. The slope is 1 correct? e^0=1
asked by Hannah 
Math
find relative max or min point of 1+x+x/x My answer was 1 but I am not sure this is correct.
asked by Hannah 
Algebra II
Which of the following is a relation but not a function a)( 10,1)(1,8)(4, 2) b) (4, 1)(1,1)(2,2) c) (5,1)(1, 7)(21, 2) d) none of these?
asked by anonymous 
social studies
When did the Civil War begin and end?
asked by Chinomso M. 
spanish
What does primos mean and what is the correct thing to put in front?un,una,une,unas,one,unos
asked by Jennifer 
Physics
In the design of a passenger bus, it is proposed to derive the motive power from the energy stored in a flywheel. The flywheel, which has a moment of inertia of 4.0 x 102 kgm2, is accelerated to its maximum rate of rotation of 3.0 x 103 revolutions per
asked by Vertrex 
Ap physics
Electric plates are 1.25cm apart, An o drop that weighs 1.1968x10^13 N is suspended between the plates when the potential differences across them is 550.0 volts. What is the electric field intensity between the plates?
asked by Estefany 
Business
Define Investment banker,stock market finacial mangement and risk finacing in your own words the idetify your preferred source of funds. Describe your decision for chosing this form of funding,
asked by Linda 
science
does LTE uses more closely spaced carriers than do both WiFi and mobile WiMAX 2.0 ?
asked by subash 
VOCABULARY STUDIES
WHICH SENTENCE IS AN EXAMPLE OF HYPERBOLE?
asked by AMY 
math
26
asked by davis 
VOCABULARY
WHICH LATIN SUFFIX HAS THE MEANING RESULT OF?
asked by AMY 
geography
The only other climate type besides Mediterranean that is characterized by 6 months of rain and 6 months of drought is? Having trouble finding the answer to this question.
asked by sono 
Graphing
I am plotting V/Vo vs 1/[C] and am asked to extrapolate to infinite concentration to obtain b/Vo, the intercept. How would I go about doing this?
asked by Hank