Number of results: 20

**math213**

Let U = {u, n, i, t, e} FIND THE SUBSETS

*November 2, 2009 by brina*

**math213**

poems of associative property

*November 28, 2009 by alicia*

**math213**

31. Determine whether each of the following numbers is prime or composite. (a) 231 (b) 393

*December 15, 2009 by alicia*

**math213**

32. If a = 5^2 • 7 • 11 • 13 and b = 2^3 • 5^2 • 7^3 • 17, find the following. (Leave your answer written with exponents.) (a) GCD(a, b) (b) LCM(a,b)

*December 15, 2009 by alicia*

**college math213**

place parentheses, if needed, to make each of the following equations true: a.5+6.3=33 b.8+7-3=12 c.6+8-2/2=13 d.9+6/3=5

*July 27, 2010 by fiona*

**math213**

11. A student reports that it is impossible to mark a product up 150% because 100% of something is all there is. What is your response?

*November 3, 2009 by brina*

**math213**

A student reports that it is impossible to mark a product up 150% because 100% of something is all there is. What is your response?

*November 5, 2009 by brina*

**math213**

In each of the following, order decimals from least to greatest a.24,9419, 24.942, 24,94189, 24.94199 b.-34.25, -34.251, -34.205, -34.2519

*September 5, 2011 by Aisha*

**MATH213**

A student claims that the equation√-x=3 has no solution, since the square root of a negative number does not exist. Why is this argument wrong?

*January 18, 2010 by Rebecca*

**MATH213**

13. For each of the following, find all possible whole-number replacements that make the following statements true. 2 • ______ + 15 < 27

*December 14, 2009 by alicia*

**math213**

Say you have 12 books, but room to display only 7. I will open this to everyone - how many differnt arrangements are there if the order of the books matters (permutation) and how many if order is of no consequence (combination)?

*October 29, 2009 by brina*

**math213**

I need help in finding five websites that contain mathematical activities, manipulatives, or lesson plans for fractions, decimals, or percents. · Prepare an annotated bibliography for each Web site, along with a brief explanation of why each site is worthwhile, and how you ...

*December 14, 2009 by alicia*

**MATH213**

12. A student argues that a p% increase in salary followed by a q% decrease is equivalent to a q% decrease followed by a p% increase because of the commutative property of multiplication. How do you respond?

*January 20, 2010 by Rebecca*

**MATH213**

Write each of the following in the form a √ b or a ⁿ√ b, where a and b are integers and b has the least value possible: a. √242 b. √288 c. √360 d. ⁿ√162

*January 20, 2010 by Rebecca*

**math213**

Wally kept track of last week’s money transactions. His salary was $150 plus $54 in overtime and $260 in tips. His transportation expenses were $22, his food expenses were $60, his laundry costs were $15, his entertainment expenditures were $58, and his rent was $185. After ...

*November 7, 2009 by brina*

**MATH213**

A student wants to know how many integers between 1 and 1000 are a multiple of 4 or a multiple of 5. She wonders if it is correct to find the number of those integers that are multiples of 4 and add the number of those that are multiples of 5. How do you respond?

*January 26, 2010 by Rebecca*

**MATH213**

6. Explain how you would respond to the following: a. A student claims that 9443/9444 and 9444/ 9445 are equal because both display 0.9998941 on his scientific calculator when the divisions are performed. b. Another student claims that the fractions are not equal and wants to ...

*January 20, 2010 by Rebecca*

**math213**

Write the following argument symbolically and then determine its validity: If you are fair-skinned, you will sunburn. If you sunburn, you will not go to the dance. If you do not go to the dance, your parents will want to know why you didn’t go to the dance. Your parents do ...

*December 15, 2009 by alicia*

**math213**

Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate exclusively. How many different ...

*October 27, 2009 by brina*

**math213**

Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate exclusively. How many different ...

*October 27, 2009 by brina*

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