Thursday
April 24, 2014

Posts by Sylvie


Total # Posts: 24

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 between ...

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 year. How many CDs did...

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...

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 1) If a person inves...

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

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

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)

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

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

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

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 you be? B) Suppose yo...

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?

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? Question #2 If the area of a...

math
Thanks very much.

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, but I did it by subt...

english
I appreciate your suggestions comments. Thanks so much.

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 far. Please tell me if ...

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.

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.

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.

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.

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

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

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?

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