# Posts by Melissa

Total # Posts: 1,338

Calculus
Let F(s)=5s2+5s+4 . Find a value of d greater than 0 such that the average rate of change of F(s) from 0 to d equals the instantaneous rate of change of F(s) at s=1. d=

Chemistry
I am really having trouble answering this question, can someone help? A binary compound between an unknown element E and hydrogen contains 91.27% E and 8.73% H by mass. If the formula of the compound is E3H8, calculate the atomic mass of E.

Chemistry
Fungal laccase, a blue protein found in wood-rotting fungi, is 0.390% Cu by mass. If a fungal laccase molecule contains four copper atoms, what is the molar mass of fungal laccase?

Chemistry
Consider equation 3A+B=C+D. You react 4 moles of A with 2 moles of B. Which of the following is true? 1) Limiting reactant (L.R.) is one with higher molar mass 2) A is L.R. because you need 6 moles of A and have only 4 moles 3) B is L.R. because you have fewer moles of B than ...

ELAC
Consider equation 3A+B=C+D. You react 4 moles of A with 2 moles of B. Which of the following is true? 1) L.R. is one with higher molar mass 2) A is L.R. because you need 6 moles of A and have only 4 moles 3) B is L.R. because you have fewer moles of B than A 4) B is L.R. ...

x to the 2nd power if x = 3/4 how do you find 3/4th to the 2nd power? 3/4th times 3/4th right? so the answer would be 9/16ths.. right?

math
You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal 75 mile per hour rate. How long should it take you to complete the trip? (3) Suppose you are driving that distance at an illegal 86.8 miles per hour ...

College Mathematics
You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal 75 mile per hour rate. How long should it take you to complete the trip? (3) Suppose you are driving that distance at an illegal 86.8 miles per hour ...

english
In the sentence: Hello, my name is Melissa. What is the predicate?

algebra
a student writes 5y.3 to model the relationship the sum of 5y and 3.explain the error

The elements and Principles of Design
9-D just took the test

Math
How do you do a division problem?

pre-algebra
2/x-5=1/x+2 the teacher said i got it wrong when i got -1/7 he got -9 if that is please explain.

accoutning
what is an advantage of the partnership form of business organization is? 1. unlimited liability 2. mutual agency 3. ease of formation 4. limited life

Math-Stats
The Acme Candy Company claims that 60% of the jawbreakers it produces weigh more than .4 ounces. Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 418 jawbreakers that weigh more than .4 ounces?

geometry
you are building a ramp that will be in the shape of a perfect right-angled triangle. The vertical height of th ramp will be 10 feet. the horizontal base of the ramp will be 15 feet. what will be the length of the downward sloping side of the ramp?

Chemistry
Write the chemical formulas for the compounds containing each of the following: a) one calcium atom for every two iodide atoms. b) two nitrogen atoms for every four oxygen atoms. c) one silicon atom for every two oxygen atoms. d) one zinc atom for every two chlorine atoms

Chemistry
Write the chemical formulas for the compounds containing each of the following: a) one calcium atom for every two iodide atoms. b) two nitrogen atoms for every four oxygen atoms. c) one silicon atom for every two oxygen atoms. d) one zinc atom for every two chlorine atoms

Statistics
Using the major League Baseball Data set available through the "Data Sets" lin in the materials section, answer the research question of whether the number of wins of a team can be explained linearly by the size of stadium, ERA, and stolen bases. Prepare a 750-1,050 ...

algebra
1800 kilometers ?

algebra
A stack of \$10 bills is worth \$90 billion dollars. What is the height of the stack in kilometers? Assume each bill is .2 millimeters high.

math
how long will it take for \$7600 to double if invested at 4.2%,componded continously

Ziggy’s Famous Yogurt blends regular yogurt that is 3% fat with its no-fat yogurt to obtain lowfat yogurt that is 1% fat. How many pounds of regular yogurt and how many pounds of no-fat yogurt should be mixed to obtain 60 pounds of low-fat yogurt

Donna invested her \$33,000 bonus and received a total of \$970 in interest after one year. If part of the money returned 4% and the remainder 2.25%, then how much did she invest at each rate

Science
If neons atomic number is 10 how many electrons are in the outer energy level?

math
An actuary at an insurance company estimates from exsiting data that on a \$1000 policy an average 1 and 100 policyholders will file a 20000 claim. in average of 1 in 200 policyolders will file a 50000 claim in average 1 in 500 policyholders will file a 100000 claim. a. what is...

statistical reasioning
An actuary at an insurance company estimates from exsiting data that on a \$1000 policy an average 1 and 100 policyholders will file a 20000 claim. in average of 1 in 200 policyolders will file a 50000 claim in average 1 in 500 policyholders will file a 100000 claim. a. what is...

technolgy and society
one skill that's generally expected of technology workers is

Geography
What geographic features might create differences in France's and Germany's economies?

Math
A pan of cold water with a temeprature of 35 degrees F is brought into a room with a temperature of 75 degrees F. After one hour, the temperature in the pan is 45 degrees F. a) Write a formula for the temperature (T) as a function of time (according to Newton's Law of ...

geography
Germany and France are located next to eachother. What geographic advantages do they have in common that would help their economies prosper? what geographic features might create differences in their economies?

Grammar
It

chem
Use this percentage to calculate the mass of fluorine in grams contained in 29.0 g of copper (II) fluoride

english
using these words : animate, dogged, gravity,indomitable,retaliate 1.This is what people do by dettling a score, getting even, and given other people a dose of their own medicine. which word describes this

organic chemistry
if sodium iodoacetate is used instead of sodium chloroacetate, how will the rate of reaction be affected? explain.

Mathematic
v-8<35

one dividend in my fact family is 18 one of my divisors is twice one of myquotients what three numbers are in my fact family

Organic Chemistry
When 2-methyl-2-butene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. what new substance has been formed?

Chemistry
Calculate the electrical voltage of an electrochemical cell using Pb(s) and Co(s) as electrodes along with their appropriate solutions. Co2+(aq) + 2e- --> Co(s) -0.28 V Pb2+(aq) + 2e- --> Pb(s) -0.13 V The oxidation reaction is Co(s) --> Co2+(aq) + 2e- +0.28V E0 net(...

Chemistry
What does it mean to have a percent yield over 100?

Psychology 202
Neurologists involved in animal research studies of cognitive function see analogies in humans that suggest mental exercise reduces loss of brain mass. Which of the following statements describe their findings? (Points :1) Older adults who continue complex mental activities ...

pre algabra
-4(-3x+5y+5)+7(5x+2y-1)

Child Day Care Management
It's playing 20 questions. I took the same test. :)

Algebra 2
write the sum using summation notation 1+6+13+22+33

Physics
the weight of the box is mg so ( 32x9.81) In order to find the coefficient of static friction you need the normal force. If you draw out component vectors for the weight you will get: ycomp: (mg)cos23.2=288.53. xcomp: mgsin23.2=123.66 If you drew it out correctly you will see ...

eng
true or false act 1 1 Macbeth has just defended Kingduncan in a war. 2 the title,the thane of Cawdor, was given to Macbeth 3 Banquo notices Macbethsuneasy reaction to the witches' prophecies

chemistry
how do I convert 25.0 miles to kilometers

psychology
what is an example of effort justification

psychology
give and example of drive reduction and include homeostasis in your answer i can't figure this out can you help

organic chemistry
in figuring the percent yield of isoborneol reduced from camphor...is the ratio 1:1, i can do the calculations if i could determine this

Chemistry
An aqueous CaCl_2 solution has a vapor pressure of 82.1mmHg at 50C. The vapor pressure of pure water at this temperature is 92.6mmHg. What is the concentration of CaCl_2 in mass percent?

math
What is the difference between domain and range? Describe a real-life situation that could be modeled by a function

math
what do you call a duck that steals

Algebra
What is the difference between domain and range? Describe a real-life situation that could be modeled by a function

algebra
What is the difference between domain and range? Describe a real-life situation that could be modeled by a function

algebra
-16x+y=3

algebra
Your company is planning to spend no less than \$80,000 and no more than \$100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a variable that demonstrates how much money your ...

Accounting
6. Morris Company has wages of \$800,000, federal withholding is 25%, state withholding is 3.4%, and FICA withholding is 7.65%. What is the journal entry to record these wages?

Math
Find the area under the standard normal curve to the right of z = -1.25.

riddles
which of the sentences given below means approximately the same as:"beauty is only skin deep"? a )some actresses are made up by the studios so that you cannot tell what they really look like b ) don't judge a book by its over c) some people have prettier ...

chemistry
While in Europe, if you drive 115 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 40.0 mi/gal?

chemistry
In Europe, gasoline efficiency is measured in . If your car's gas mileage is 20.0 km/l, how many liters of gasoline would you need to buy to complete a 142km trip in Europe?

12th Physics
A 55 kg ice skater is at rest on a flat skating rink. A 198 N horizontal forceis needed to set the skater in motion.However, after the skater is inmotion, a horizontal force of 175 N keeps the skater moving at a constantvelocity. Find the coefficients of static and kinetic ...

physics
A 6.0 kg object undergoes an acceleration of 2.0 m/s2.a. What is the magnitude of the net force acting on the object?b. If this same force is applied to a 4.0 kg object, what acceleration isproduced?

Chemistry 2
You have a stock solution of 15.0 M NH3 . How many milliliters of this solution should you dilute to make 1200ml of 0.280 M NH3? If you take a 15.0ml- portion of the stock solution and dilute it to a total volume of 0.600 L , what will be the concentration of the final ...

Chemistry
You have a stock solution of 15.0 M NH3 . How many milliliters of this solution should you dilute to make 1200ml of 0.280 M NH3 ?

physics
A soccer ball kicked with a force of 13.5 N accelerates at 6.5 m/s2 to theright.What is the mass of the ball

what is 2cm 72mm plus 69mm

Chemistry
Is potassium citrate ionic compound or molecular compound?

history
what are Democrats views on health insurance? what are the republican views on health insurance? please list some examples in sentences for both

history

history
what are republicans view on social security. please helppp This is what i have so far:Workers will have choice to invest their payroll taxes. Anyone currently receiving Social Security, or close to it, will not be impacted by any changes.Today’s workers should be free to...

history
republican veiw on the iraq war

history

history
what is the republican view on the war in iraq

antonyms
Glybtfly???!

COM 150 Effective Essay Writing
How does the writing process you read about differ from the process you have used in the past? Wheich steop in the writing process is easiest for you to complete?

algebra
the profit made fram the sale of a dvd players from a company is found by subtracting the costs from the revenue. p=r+-c. Suppose that the companys revenue can be expressed with the function R(x)=x^2+59x and that the total costs for the company can be determined by the ...

social studies
how can i find an essay about media manipulation? or can you write ?

algebra
Marcella and Rupert bought party stuff. Marcella bought 3 packs of ballooons and 4 packs of favors for a total of \$14.63. Rupert bought 2 packs of balloons and 5 packs of favors for a total or \$16.03. Find the price of each and write a system of equations to model this.

A.P American Government
What are some of the significant committees in the House and the Senate.

Mnagerial Economics
I don't understand what is meant by returns to variable inputs. If you can expalin, I can do the rest.

Mnagerial Economics
prepare a brief, with the aid of diagrams how can knowledge of returns to variable inputs assist in decision-making in business

math
5x4+1=25

algebra
simplify: (p^-4+m p^2m)^-4 ________________ (p^-4)^-m

math
what is 96=6x^2 come out to be. im stuck!

Health care
identify and describe three causes for the increasing costs of health care. What impact does each of these causes have on socitey?

science
the _____ equator is at the 0 degrees latitude. the _______ equator is an imaginary line marking the tempeture equilibrium between the hemispheres

marine science
how does the earth redistribute the uneven amount of solar energy received by earths surface

english
what kind of grammatical construction is "whom he had previously enjoyed'?

english
antonym of the word mode meaning a current fashion or style

english
about how many years after Beowulf did chaucer write?

science
explain why ice is less dense as a solid than as a liquid

science
what enables meighboring water molecules to hydrogen bond to one another

science
what enables neiboring water molecules to hydrogen bond one another

Solve by applying the counting principal. When using a four number PIN, how many different PINs are possible? a*b*c=___ I need help.. how do I work this? Step by step please.

english
explain which groups of people make up the "britons" and anglo-saxon culture in beowulf

what is the harden treesap that preserves insects as fossils

college CRT 205
Source 1 Title and Citation: Individuals can help reduce child abuse and neglect. Source Citation:Information, National Clearinghouse on Child Abuse and Neglect. "Individuals Can Help Reduce Child Abuse and Neglect." Child Abuse. Ed. Lucinda Almond. Current ...

Science(physics)
A fire hose held near the ground shoots water at a speed of 6.38 m/s. The water rises upwards in an arc then falls back to the ground. If the nozzle is pointed upwards at an angle of 56.53degrees, what distance away from the nozzle, in metres, does the water hit the ground? t(...

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