Jessy
Newest questions and responses by Jessy
Math
I need help with this question. I need to know how to do the steps for it. (hope it makes sense) Question: Square root 2t+1  5 =  square root t
asked on January 19, 2019 
Physics
A rope of mass m uniformly distributed along it's length l can slide without friction on a horizontal table. At instant t=0 the hanging part of the rope has a length b, and the rope is held at rest. When it is left, the rope begins to slide. At instant t
asked on October 8, 2017 
Finance
What is the value of 15year corporate bonds, with a coupon rate of 9%, if current interest rates on similar bonds is 8%? How much would the value change if interest rates increased to 10%? Under what conditions will this bond trade at par (face value)?
asked on April 2, 2017 
Finance
A company is planning to set aside money to repay $100 million in bonds that will be coming due in 10 years. If the appropriate discount rate is 9%, a. how much money would the company need to set aside at the end of each year for the next 10 years to be
asked on April 1, 2017 
statistics
To observe the effect of increasing sensitivity, assume a blood sugar screening level of 130 mg percent, with a sensitivity of 44.3% and a specificity of 99.0%. Set up a two by two table with the appropriate numbers in each cell. Calculate the following
asked on November 21, 2016 
IUPUI
The prevalence of previously undetected diabetes in a population to be screened is approximately 1.5% and it is assumed that 10,000 persons will be screened. The screening test will measure blood serum sugar content. A value of 180 mg percent or higher is
asked on November 21, 2016 
epidemiology
The prevalence of previously undetected diabetes in a population to be screened is approximately 1.5% and it is assumed that 10,000 persons will be screened. The screening test will measure blood serum sugar content. A value of 180 mg percent or higher is
asked on November 21, 2016 
Biochm I
The ∆Gº’ of hydrolysis of ATP is –35.7 kJ/mol. => Calculate the overall free energy change for the hydrolysis of ATP when [ATP]=3.8 mM, [ADP]=2.0 mM, and [Pi]=4.6 mM at 30 ºC Reminder: R=8.314 J.mol1K1. Use 273.15 for conversion of Celsius to
asked on September 10, 2016 
PChem
Can you check my answer? Thank you What is the molar mass of a gas that behaves ideally (i.e. obeys the perfect gas law pV=nRT) if it has a density of 1.92 g dm3 at 150 kPa and 25 C? I got; M=p(density)RT/(P)=31.7 kg mol^1
asked on September 6, 2016 
PChemistry
A closed vessel of volume 2.50 dm3 contains 100g of nitrogen (N2) and 100g of carbon dioxide (CO2) at 25 C. What are the partial pressures and mole fractions of each gas? Can you check my answers.Thank you. I got Partial Pressure for N2=34.95 atm CO2=22.24
asked on September 5, 2016 
PChemistry
A closed vessel of volume 2.50 dm3 contains 100g of nitrogen (N2) and 100g of carbon dioxide (CO2) at 25 C. What are the partial pressures and mole fractions of each gas?
asked on September 5, 2016 
Prealgebra
1/5(95)2•4+5
asked on February 22, 2016 
financial literary
Floyd employer purchase a health insurance plan that cost 825 per month Floyd page 105 toward the plan each month what is the annual value of the employer's contribution?
asked on September 6, 2015 
world history
the Liao empire did all of the following exept a. create a chinese style dynasty b. conquer southern china c. adopt chinese writing d. use the civil service system my answer D
asked on July 20, 2015 
Chemistry.
Predict these reaction products. If a reaction takes place, balance the reaction if needed. If no reaction takes place then write no reaction. Cu+FeCl3>CuCl3 + Fe Double replacement Al+HBr> AgNO3 + KCL>AgClKnO3 Double replacement
asked on June 16, 2015 
Physics
Calculate the final speed of a skier who skis down a 70.8 m high hill, if her initial speed is 2.18 m/s
asked on February 9, 2015 
College physics
How much work (kJ) must a car produce to drive 239 miles if an average force of 369 N must be maintained to overcome friction?
asked on February 9, 2015 
English
Even though they are good friends, what is one argument seen in the play "The Night Thoreau Spent in Jail" between Henry and Waldo?
asked on January 9, 2015 
English
What do you think the real Thoreau or Emerson would be like as a teacher today?
asked on January 9, 2015 
Physics
The electrons that produce the picture in a TV set are accelerated by a very large electric force as they pass through a small region in the neck of the picture tube. This region is 1 cm in length, and the electrons enter with a speed of 1 × 105 m/s and
asked on September 29, 2014 
Analytical CHM Lab
I am filling out my neutralization titration data sheet and i did not understand how to find buret correction (ml) and corrected volume(ml) and Molarity of NaOH without buret correction and as well as with buret correction. in the lab we have used 50 ml of
asked on September 19, 2014 
Analytical CHM
Calculate the theoretical amounts of 0.1000 M NaOH titrant used to titrate 0.8 and 0.9 g KHP Please show step by step solution , i need the correct significant figures and units to finish up the rest of the lab correctly i found the answer but for some
asked on September 15, 2014 
ANALYTICAL CHM
What are the possible sources of error in using a graduated pipet? in using a buret?
asked on September 6, 2014 
Math
John has 5 computer games. Julian has twice as many computer games as John. How many computer games do they have in all?
asked on August 6, 2014 
math
A country seen its population grow each year in the eighth of what it was the previous year. At that time the population is successfully a. duplicate b. triplicate
asked on June 10, 2014 
math
A businessman invested 10000 dollars in bonds paying annual interest of 8%. If you invest the proceeds in the purchase of new bonds, which will have the capital after 10 years
asked on June 10, 2014 
math
A person a pair of shoes is purchased each year and has noticed that the price has increased as a geometric progression. If the price increase in the last two years was 25 dollars and in the last year was 15 dollars. a. What was the price of the pair of
asked on June 10, 2014 
math
For a soccer game has been on sale 4 types of locations. The ticket prices for different locations form a geometric progression. If a person bought a ticket for each locality would spend 32.5 dollars and would see that the price of the most expensive is
asked on June 10, 2014 
math
A bottle containing 10 liters of alcohol one liter of alcohol is removed and replaced with water. After a liter of the mixture was removed and replaced with water, the operation being carried out 7 times in total. Then that amount of alcohol remains in the
asked on June 10, 2014 
physics
Two cars, A and B, travel in the same direction on a straight section of highway. A has a speed of 69.5 km/h, and B a speed of 84.3 km/h (both relative to the earth). (b) If A is initially 394 m in front of B, how long will it take for B to reach A?
asked on May 28, 2014 
Math
A small plane flying a banner in the shape of a rectangle the area of the banner is hundred and 44 square the width of the banner is one fourth the length of the banner what are the dimensions of the banner
asked on February 25, 2014 
Math
Find two numbers, x and y, such that 10% of x is the same as 40% of y. Explain!
asked on February 6, 2014 
Math PLZ HELP!!!!
A tank that holds 4000 gallons of water will drain completely into a reservoir in 32 minutes. The volume of remaining water in tank after time t is given by the function: V(t)=4000(1t/32)^2, 0
asked on December 18, 2013 
math
Given the function f(x) =2^x and g(x) =x2 and h(x) =2x3 what compositions of function will result into y= 2^(x+1)5
asked on December 17, 2013 
math
Do relations that are functions always have symmetry? Explain your answer.
asked on December 17, 2013 
math
You make a purchase at a local hardware store, but what you've bought is too big to take home in your car. for a small fee, you arrange to have the hardware store deliver your purchase for you. You pay for your purchase, plus the sales taxes, plus the fee.
asked on December 17, 2013 
Math
Is f(x)= x/x^21 odd, even or neither of the two functions?
asked on December 15, 2013 
Math
Complete the square to find the vertex of each quadratic function. State the vertex. y=x^2+5x3 y= 5x^2+1/5x10 2x^2+8x2
asked on December 13, 2013 
Math
Find four consecutive integers, such that the product of the first and second integer minus 2 is equal to 3 times the product of the third and fourth integer.
asked on December 10, 2013 
Math
If 4jxx^2 is divided by x4 the remainder is 4. Find k.
asked on December 10, 2013 
Math
Factor: (x^3)(z^6)27y^9 81x^416y^4 2x^3+16y^3
asked on December 10, 2013 
Math
Complete the square to find the vertex y=5x^2+1/5x10
asked on December 10, 2013 
Math
Determine the remainder of the following polynomial by remainder theorem. x^34x^2+x6 divided by x+2. If x+2 is a factor, determine the remaining factors.
asked on December 10, 2013 
Math
Find the equation of the curve that joins the following points. Hint: Use common differences. a. The zeros of the function are 3,1,5. The yintercept is 15. Find the function. b. (1,1), (0,1), (2,5), (1,5)
asked on December 4, 2013 
Trigonometry
Given the equation 2cos^2x+sinx1=0 1. Explain why this equation cannot be factored. 2. Use a trigonometric identity to change the equation into one that can be factored.
asked on November 24, 2013 
Trigonometry
Prove the following trigonometric identities. please give a detailed answer because I don't understand this at all. a. sin(x)tan(x)=cos(x)/cot^2 (x) b. (1+tanx)^2=sec^2 (x)+2tan(x) c. 1/sin(x) + 1/cos(x) = (cosx+sinx)(secx)(cscx) d. tan^2 (x)(1+1/tan^2 x)
asked on November 24, 2013 
Trigonometry
Solve for the following equation to the nearest degree if needed for 0 less than equal to x less than equal to 360. sin^2x=cosx 2sin^2x+cosxcos^2x=0
asked on November 21, 2013 
Math
There are approximately 131,000 cases of colorectal cancer in the US each year ( data as of 1998). The US pop is approx 270 million. What's is the probability that a randomly selected person in the US will develop this type of cancer during a year? What
asked on April 7, 2013 
Numerical Analysis
show that f(x)=xsinπx(x2)lnx has at least one zero derivative in [1,2]
asked on November 2, 2012 
Numerical Analysis
show that the equation xcosx2x2+3x1=0 has at least one solution in [0.2,0.3]
asked on November 2, 2012 
Numerical Analysis
Use Taylor series expansions (zero through fourth order) to predict f (2) for f (x) = ln(x) with a base point at x = 1. Determine the true percentage relative error for each approximation.
asked on November 2, 2012 
Numerical Analysis
We know that e (base of the natural logarithm) is 2.7182818. If we estimate this number with XA = 2.71828, what is the significant number of digits that XA approximates the e?
asked on November 2, 2012 
Numerical Analysis
Use Taylor series expansion (degree 0 to 6) about x’=pi/4 to find an approximation for f(x) = cosx at point x=pi/3 and then compare the result with the exact data
asked on November 2, 2012 
Social Studies
Of the problems experienced by the Confederation Congress, which do you think was the most harmul? and why
asked on March 7, 2012 
Physics
If a thunderstorm is heard 5 seconds later. How far away did the lightning strike?
asked on February 28, 2012 
physics
Two carts with masses of 4.3 kg and 3.0 kg move toward each other on a frictionless track with speeds of 5.7 m/s and 4.4 m/s, respectively. The carts stick together after colliding headon. Find their ﬁnal speed. Answer in units of m/s
asked on January 30, 2012 
science
an oil tanker has a mass of 100 000 tonnes. its kinetic energy is 200 MJ.Calculate its speed. (1Tonne=1000kg, 1 MJ= 1 Megajoule= 1 000 000 J) PLEASE HELP
asked on November 30, 2011 
French I
We're supposed to complete with the indicated verb. 1. Romain et Christophe _______ un vol Air France. (choisir) 2. Quand Romain fait enregistrer ses bagages, il _______ aussi sa place. (choisir) 3. Pendant le voyage, les deux garcons ont faim. Ils _____
asked on April 21, 2011 
english
what is the appositive inthis sentences Charles Lutwidge Dodson is better known by his pen name,Lewis Carroll.
asked on March 8, 2011 
physics
a plank of mass 5kg is placed on a frictionless horizontal table. further a block of mass 2kg is placed over the plank. A massless spring of natural length 2m is fixed to the plank by its one end. The other end of spring is compressed by the block by half
asked on January 17, 2011 
chemistry
balance the following equation by half reaction method in an acidic medium: C3H8O + MnO4^ gives off C3H6O + Mn^2+
asked on January 13, 2011 
physics
Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure.
asked on January 6, 2011 
math
In a factory of electronic items, the total cost of production, expressed in thousands of dollars, is given by the function C(x)= (x^2x+2)/x+1 where x belongs to [0;5] and expressed in hundrends of items produced. 1) calculate in dollars the total cost of
asked on January 2, 2011 
calcus/ math
Nick has enough wire to construct a 100m of fence. he wish to use it to form three sides of a rectangular garden,one side is along his building. 1)What dimensions should be choose in order to enclose the largest possible area? 2)Verify the result thus
asked on December 28, 2010 
Finance
If you bought a share of common stock, you would probably expect to receive dividends plus an eventually capital gain. Would the distribution between the dividend yield and the capital gains yield be influenced by the firm's decision to pay more dividends
asked on December 1, 2010 
Finance
Fletcher Company's current stock price is $36.000, its last dividend was $2.40, and its required rate of return is 12%. If divends are expected to grow at a constant rate, g, in the future and if Rs is expected to remain at 12%, what is Fletcher's expected
asked on December 1, 2010 
physics
A block is projected up a frictionless inclined plane with initial speed v0 = 1.92 m/s. The angle of incline is è = 12.2°. (a) How far up the plane does it go? (b) How long does it take to get there? (c) What is its speed when it gets back to the bottom?
asked on October 11, 2010 
physics
An electron with a speed of 1.1 × 107 m/s moves horizontally into a region where a constant vertical force of 3.6 × 1016 N acts on it. The mass of the electron is 9.11 × 1031 kg. Determine the vertical distance the electron is deflected during the
asked on October 11, 2010 
COM220
Strategies for gathering information Appendix D Is the source the name of the article or the reference who wrote it. What goes in the source box?
asked on February 8, 2010 
math
Im greater than 99 but less than 1000, two of my digits that are not next to each other are the same, my tenth digit can't be greater and is more than my hundreths digit. What number am I?
asked on November 18, 2009 
math
Can you tell me the answer to: 3 1/2 = ______x 4 3/8. I keep coming up with 1 1/4 but it doesnt work out when I multiply it back. HELP!!!!
asked on October 28, 2008 
english
What a most delightful quatrain Jamie has written. In the above sentence i need to identify the subject. I don't know if its quatrain or Jame. And I also need to tell what the form of the verb is. I think the verb is has written and if so is that
asked on October 2, 2008 
child care
hello i need some help with those questions (the legal requirements relevant to inclusive practice.) and the importance of inclusive practise in a pre school setting. thank you
asked on September 30, 2008 
english
When did you memorize the patriotic poem, "Paul Reveres ride"? In the above sentence is the predicate did memorize? If so what part of the sentence would the word poem be??
asked on September 25, 2008 
english
Many notable poets often lived in the New England states. In the above sentence i need to identify the subject modifiers in the sentence and the descriptive adjectives. I believe the adjectives are New England, many and notable. What then would be the
asked on September 25, 2008 
english
Many notable poets often lived in the New England states. In the above sentence i need to identify the subject modifiers and the descriptive adjectives in the sentence. I believe poets is the subject so would many and notable be the modifiers and if that
asked on September 25, 2008 
english
Invite Jim on our fishing trip. In the above sentence can you tell me what words modify the predicate. I think the predicate is invite but I'm not sure. if so would on our fishing trip be the predicate modifiers. And also would Jim be the subject of the
asked on September 24, 2008 
english
My grandmother happily presented the family heirloom at the wedding. In this sentence i believe heirloom is the direct object, presented is the verb but i need to know what the subject modifier is and is happily an adverb that describes presented?
asked on September 11, 2008 
english
The German Oktoberfest actually begins in September. could you tell me what the predicate modifiers are and what the number of the predicate is. I am thinking that begins is the predicate.
asked on September 11, 2008 
english
The city of munich plans many interesting festivities. Would you capitalize city and munich in this sentence?
asked on September 11, 2008 
english
The city of Munich plans many interesting festivities. In the above sentence i need to identify the nouns in the objectice case. I also need to know what part of the sentence is the word festivities. I know the subject is Munich and the form is simple.
asked on September 11, 2008 
english
In the following sentence i need to know what are the nouns in the objective case and what part of the sentence is the word festivities? I know that Munich is the subject and the form is simple but if someone could help with the other two questions that
asked on September 11, 2008 
geography
where is the safe place to live in a island and why
asked on July 7, 2008 
chemistry
covert 19.4g NH3 to moles
asked on April 21, 2008 
science
covert 12.3 g of sulfur trioxide (SO3)to moles
asked on April 21, 2008 
chemistry
An Excess of hydrogen sulfide reacts with 42 moles of oxygen. How many moles of each product is formed using the BCA Table?
asked on April 21, 2008 
chemistry
please help me. write the following in names: CaHCO3 H2SO4 CaCl2
asked on February 4, 2008 
english
I have to write a research paper.My paper topic is Explain how the treatment of women in Dicken's novel Hard Times reflects the Victorian age. I SHOULD HAVE A CLEAR THESIS IN THE INTRODUCTORY PARAGRAPH, A CLEAR LINE OF DEVELOPMent and arguments.Title has
asked on May 19, 2007 
clause patterns
can someone correct these sentences and help me understand this? 1.I remember the reasonableness of my father's arguments. SPOA or is this not adverbial? 2.We are in a bit of a mess. what is in a bit of a mess? 3.Do you call yourself a porter? is a porter
asked on May 3, 2007 
predication?
what is difference between predicate predicator and predication? Clean up the most threatened areas. In grammar, the predicate is the main verb and all the words and phrases and clauses that go with it. http://www.answers.com/predicate Scroll down a bit
asked on May 1, 2007 
College admission letter
I got a letter from university,it tells me that they offer me the admission on summer 2007, does it mean I will continue in fall 2007? I should think so, but to be sure, you need to call the admissions office. Just tell them who you are and that you're
asked on January 21, 2007 
Physics....Orbiting Satellite
A orbiting satellite stays over a certain spot on the equator of (rotating) Venus. What is the altitude of the orbit (called a "synchronous orbit")? I found the radius and mass of Venus on the google, but I don't know what I should plug in the "T" if I use
asked on January 15, 2007 
Physics Question......many thanks
A projectile is shot directly away from Earth's surface. Neglect the rotation of Earth. (a) As a multiple of Earth's radius RE, what is the radial distance a projectile reaches if its initial speed is onefifth of the escape speed from Earth? ____ times RE
asked on January 15, 2007 
Gravitation help..........thanks
A projectile is shot directly away from Earth's surface. Neglect the rotation of Earth. (a) As a multiple of Earth's radius RE, what is the radial distance a projectile reaches if its initial speed is onefifth of the escape speed from Earth? ____ times RE
asked on January 15, 2007 
Physics help!!!!!!
A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.2 1012 N. What is the gravitational potential energy of the twoparticle system? a) A 5.0 kg particle and a 2.7 kg particle have a gravitational attraction with
asked on January 15, 2007 
geo
two capes located at africas southern tip Cape Agulhas and the Cape of Storms, which was renamed the Cape of Good Hope. Good luck
asked on October 17, 2006 
geo
which africian countries does the tropic of cancer pass through http://www.google.com/search?q=tropic+cancer+africa&start=0&ie=utf8&oe=utf8&client=firefoxa&rls=org.mozilla:enUS:official =)
asked on October 17, 2006 
geo
is saudi arabia in asia or africa You need to get some good maps and/or learn how to conduct effective searches (such as via http://www.google.com)  http://www.yourchildlearns.com/geography.htm http://www.lib.utexas.edu/maps/index.html =)
asked on October 17, 2006 
geo
what four countries possess islands in the caribbean sea http://www.lib.utexas.edu/maps/index.html =) h Name four countries that possess island in the Caribbean Sea Well it is Canada Islabnjjjugdhjb;bvfjhbfjbjcvbghfj hgjh duighbjfg jfg jghjfgjfh;ahg
asked on October 17, 2006

geography
CBD
posted on May 1, 2017