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Tutors Answer Your Questions about Signed-numbers (FREE)
Question 117632: Hii. Well i was assighned a Essay to do that has to be about 1-2 pages of why do we get a positive number when deviding a negative number by a negative number? and a feww examples and add diagrams and stuff. And i didnt really find any answers online. do u think you could help me?
Click here to see answer by solver91311(5072)   |
Question 119912This question is from textbook
: -9 + 18/-3(-6)
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32- 4(12)/3(2)
I do not know what I am doing wrong on the bottom part. I have the answer to the top.
I am new to algebra.
I need to see the steps so I may understand the process and learn what I did incorrectly.
Thank YouThis question is from textbook
Click here to see answer by Earlsdon(4898)  |
Question 120827: When two negative numbers are multiplied the answer is postive. For example,
(-a x -b)=ab. What is the best conceptual explanation for this? The rule says a negative multiplied by a negative is a postive. What is the best way to explain why this rule is true?
I am stumped on the explanation. Thanks.
Kenneth
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Question 115942This question is from textbook Intermediate algebra
: I am stuck on evaluate an algebraic expression on a self check problem; If r= 2, s=-5,and t=3, evaluate: from the book Intermediate Algebra by alan S. Tussy and R.David Gutafson, Thomson/Brooks/cole. Chapter 1 page 30 a review on basic algebra. I try following the example 12, but the approach is different. Could you help me. Thanks Harold(Harry)Nunez This question is from textbook Intermediate algebra
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Question 124728This question is from textbook 
: Decide whether each is an expression or an equation. If it is an expression, simplify it. If it is an equation, solve it.
(a) 5x + 8 - 4x + 7 (b) -6y + 12 + 7y -5 =
(c) 5x +8 - 4x = 7 (d) -6y + 12 + 7y = -5This question is from textbook
Click here to see answer by dolly(163) |
Question 109894: I have a problem I would like to get your opinion on for my answer.
Here it is: Evaluate each of the expressions if a=-2, b=5, c=-4, d=6 So here is the problem: b(with a sq rt of 2) - 2bc + c (with a sq. rt of 2)
My answer is this 5(5)- 2(5)(-4)+(-4 sq. rt of 2) am I on the right track here for my answer.
I am sorry I could not place the sq.rt of 2 with the first letter "b" and the last letter "c" I could not figure out on this web page how to do that. I appreciate your help on this for me.
Thank you, Barb Neely
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Question 134748: Hello :)
I am working on a worksheet and I really need help with problems such as the following:
Directions:- Use the DISTRIBUTIVE PROPERTY to rewrite the expressions.
13. 9(8 + 7)
14. 11(10 + 5)
16. 16(z + 3)
These are the 3 problems that I really need help with using the Distributive Property.
Please email me back ASAP & Thanks A Lot !! :)
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Question 136055:
(BASIC OPERATIONS WITH FRACTIONS)
How many yards of material from a 24-yard length of cloth remain after 3 pieces, each 3 1/2 yards long, and 5 pieces, each of 2 1/4 yards long are removed?
Ans I trieed to do is * the 24 yard to 3 pieces but did not get the answer
ANS OF THIS PROBLEM IS 2 1/4
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Question 144608This question is from textbook Mathematics All Around
: Using a calculator. TI-83Plus.
Okay i have had a brain lapse and this is a dumb question but I cannot get the same answers that i did previously had using the same calculator(TI-83 Plus) with the same problem's. I am not calculator savy and this was several chapters back. So I am in a review process for the final.
Plugging in the same numbers into my calculator i do not even come close to answers I had on the problems. Yikes Can someone help me understand what i am now doing wrong?
I've entered them numerous ways and still do not come even close witih the answers that were marked correct on the chapter test.
The problem:
Solve using the formula for the future value of the annuity at the end of the incidicted time period. The amount, frequency of deposits, annual interest, and the time period are given. amount: $200:quarterly: 8%; 9 years. Here is the formula with correct answer of 10,398.87 which was graded on test.
r/n= .08/4 = 4*9=36
Here is how i have it written out on my paper.
A=200 (( 1 + .08/12)^36 -1 /.08/12) = 10,398.87
What am i doing wrong or is my calculator on the fritz?
I entered
200 Parenthesis, Parenthesis 1 + 0.08 parenthesis ^ 36 divided by 12 divided by .08 divided by 12 -1 parenthesis. and I get 77.22520552. Which is no where near 10,398.87. I must have done something different or was it just luck?
Please help me because none of my answers i am calculating today are coming up correct using the (( signs.
If you can help I would extremely be grateful. Thank you.
This question is from textbook Mathematics All Around
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Question 146374: I'm really not sure what to ask so I'll try and describe the problem. The problem is 54-6 divided by 2+6=? and the answers or A. 6, B. 24, C. 27 D. 30 E. 57. I couldn't find my divided by sign on my keyboard so I just wrote it out. I'm not really sure what type of problem it is a Numerical Skills/Prealgebra problem from a study guide I have.
Click here to see answer by stanbon(26259) |
Question 142681: why it is necessary to reverse the inequality symbol when multiplying both sides of an inequality?
what are the basic steps involved in problem-solving and what is the importance of following these problem solving steps when presented with a problem?
Click here to see answer by mangopeeler07(450) |
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