Popular questions and responses by Sylvie
  1. Algebra

    Natalie earns $2.50 for each CD she sells and $3.50 for each DVD she sells. Natalie sold 45 DVDs last year. She earned a total of $780 last year selling CDs and DVDs. Write an equation that can be used to determine the number of CDs (c) Natalie sold last

    asked on February 16, 2013
  2. Chemistry

    How much heat is needed to raise the temperature of 5.58 kilograms of iron from 20.0°C to 1000.0°C? Specific heat of iron is 450,000 J/(kg x °C). Type the correct answer to 3 significant digits.

    asked on June 14, 2016
  3. Algebra

    Show how you substitute the values into the formula, then use your calculator. *Use A = P(1+r/n)nt to find the amount of money in an account after t years, compounded n times per year. *Use I = Prt to find the amount of simple interest earned after t years

    asked on February 3, 2013
  4. Algebra

    You and your friend live 12 miles apart. You leave home at the same time and travel toward each other. You walk at a rate of 4 mph and your friend bicycles at a rate of 11 mph. A) How long after you leave home will you meet? How far from home will each of

    asked on August 29, 2012
  5. english

    I have to do a project on 4 types of writing. Fictional narrative, Personal narrative, Informational writing and Persuasive writing. The project consists of giving characteristics of each, as well as 2 prompts (examples) for each. This is what I have so

    asked on February 8, 2010
  6. chemistry

    what mass of the following compounds will dissolve in 200g of water at 30 degrees Celsius a) CuSO45H2O b) KNO3 c) NaNO3 how do a work it out, thanks

    asked on July 24, 2014
  7. English

    Commas: Do I need a comma between the words notes and so? - "Sitting at the sticky, crumb-covered cafeteria table, Luther and Ruth carefully studied their chemistry notes so that Dr. Wilson's next tricky test wouldn't confuse them." Do I need a comma

    asked on February 25, 2013
  8. algebra

    Write the standard form of the equation of the line through the given point with the given slope. Through: (3,-1) and (8,-4)

    asked on November 8, 2012
  9. Algebra

    Express the radical as a power. Then evaluate it. Round to the hundredths place. I can't figure out how to type the symbols on my computer, but there are 3 problems. 1) 795 "square-rooted to the 3rd power" 2) 9876 "square-rooted to the 5th power" 3) 845.3

    asked on February 13, 2013
  10. algebra

    Find the unit rate in qt/day: 20 fl oz/min

    asked on September 23, 2012
  11. English

    In this sentence Plenty of silicon is found on Earth. I'm not sure if the simple predicate is is or is found.

    asked on October 28, 2008
  12. math

    The number of boys in a certain class exceed the number of girls by 7. If the number of boys is 5/4 of the number of girls, how many boys are there in the class? The choices of answers are: a) 21 b) 28 c) 35 d) 42 e) 63 I figured out that the answer is 35,

    asked on February 12, 2010
  13. Science/Cars

    What are two examples of indirect water usage that get a car to start? I know really nothing about car engines, so I don't know what parts of cars use water, or how they use it. Thanks for explaining this.

    asked on March 19, 2009
  14. English

    In these two sentences, I'm not sure where to put the apostrophe to make it a plural possessive noun. We were excited to see the (children) photographs. The pictures looked like real (photographer) pictures.

    asked on January 20, 2009
  15. English

    In this sentence Plenty of silicon is found on Earth, but it remains a valuable material for the computer industry. I'm still not sure if the simple subject is plenty or silicon, but I think it's silicon because the second part of the sentence says it.

    asked on October 28, 2008
  16. algebra

    If an equation is an identity, then the solution to that equation is _______.

    asked on September 25, 2012
  17. 6th grade

    Scientists have calculated that the Moon's revolution around Earth is increasing by about .015 s per century. At this rate, how long would it take the length of a month to increase by one full day?

    asked on December 2, 2010
  18. Algebra

    Is it possible to find a value for c so that the linear system below has exactly one solution? Explain. 5x+3y= 21 Equation 1 y= -5/3x+c Equation 2

    asked on January 16, 2013
  19. math - 5th grade

    Hello: I am having difficulty witht the following math: Question #1 If the area of a circle is 27 sq. in. What is the radius? I am coming up with an answer of 13.5 sq. in. Is that correct? If not, can you show me step by step how to get the answer?

    asked on February 20, 2010
  20. English

    Is a movie title italicized, put in quotes, or underlined? I've googled this and looked in books, but I've heard different things. What is the most recent rule? Thanks.

    asked on March 19, 2009
  21. English

    In the sentence - Plenty of silicon is found on Earth, but it remains a valuable material for the computer industry. What is the simple subject and predicate?

    asked on October 27, 2008
  22. Algebra

    What is the x-coordinate of the solution of the system y=1/3+8 and 2x-y=2?

    asked on January 16, 2013
  23. algebra

    5h+2(11-h)= -5

    asked on September 18, 2012
  1. maths-urgent

    6.0 lengt 3.2 width volume 96 what is the height

    posted on March 10, 2015
  2. math

    Thanks very much.

    posted on February 12, 2010
  3. english

    I appreciate your suggestions comments. Thanks so much.

    posted on February 9, 2010
  4. English

    yes, but I'm not sure if the simple predicate in clause 1 is is or is found.

    posted on October 28, 2008