Questions on Algebra: Operations with Signed Numbers answered by real tutors!

Tutors Answer Your Questions about Signed-numbers (FREE)

Question 939531: How do you evaluate teh expression 4 -3/2
Click here to see answer by stanbon(75887)

Question 943640: What is the domain for this rational expression? (m^2+2m-24)/(m^2-3m)
Click here to see answer by josgarithmetic(39616)

Question 943640: What is the domain for this rational expression? (m^2+2m-24)/(m^2-3m)
Click here to see answer by MathLover1(20849)

Question 943644: 3(3f-4)>5f-9
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Question 943643: 4-x>2x+16
Click here to see answer by MathLover1(20849)

Question 943757: Adding rational expressions with different denominators: ax, bx
How do I get this into a single fraction in simplest form?
3+(8x+8y)/3x-(6x+8y)/9x
I can get it to this;
18x2 + 16xy + 27
��
9
But then I am lost on how t get it further simplified.
Click here to see answer by MathLover1(20849)

Question 945583: A book has 500 pages numbered 1, 2, 3� and so on. How many times does the digit 1 appear in the page numbers?
Click here to see answer by KMST(5328)

Question 946105: find the value of n.then check by adding - (5/8+1/8)+3/8=5/8+(1/8+n) n=
Click here to see answer by MathLover1(20849)

Question 947549: hey I was wondering why -6*2 equals negative 12 not twelve isn't -6 times -2=12?
Click here to see answer by josgarithmetic(39616)

Question 950400: (12)(7)-(6)(19)
Click here to see answer by MathLover1(20849)

Question 950400: (12)(7)-(6)(19)
Click here to see answer by macston(5194)

Question 957878: What is 0.5% off of 315?
How do I do this on excel?
Click here to see answer by Fombitz(32388)

Question 965426: Hi, how can u turn 7 more than x into algebraic expression? 7+x,or 7-x
Click here to see answer by t0hierry(194)

Question 961476: what is the answer? plz |9-2x| < |4x|
Click here to see answer by Horlaye(27)

Question 968336: Perform the indicated operations and if possible, simply
60/75 � 4/5 =
Click here to see answer by MathLover1(20849)

Question 970224: Please help me simplify this problem and explain the steps. 6(-1/2)-(3/4)(-1/3)+(-5)(-1)
Click here to see answer by Fombitz(32388)

Question 974098: Order of operations is the math type of algebra I'm doing please could you help me understand why I can't get the right answer. I keep getting 6.5 and every were I've looks tell me it's 44 but doesn't explain please help me the math equation is 8�5�10+5035�(3-1)^(2)
Click here to see answer by Alan3354(69443)

Question 975142:
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Question 976406: Please do help me as soon as possible. Because I really need it. Sorry for rushing you.
Simplify the following by removing the grouping symbols:
a. -[4-(-5)]-16
b. -18-[-4-(-8)]
c. -{4x-(3y-16x)}
d. -{16x-(12-3x)}
e. -{-4-[10-(-6)]}-[8-(-18)]
f. -{-9-[-12-(-7)]}-[-15-(-2)]
Click here to see answer by Alan3354(69443)

Question 956315: (8x + 4y)(2x - 11y)
Click here to see answer by kekegeter (97)

Question 892495: (-15)+8
Click here to see answer by kekegeter (97)

Question 874701: (X^2-2X-3)(x-3)
Click here to see answer by kekegeter (97)

Question 980170: Insert operations and grouping symbols to make the following equations true:
3 3 3 3 3=1
3 3 3 3 3=9
I always get 3 when I try to answer this problem.
3�3�3+3-3=3; ((3�3)+(3-3))�3=3; and many more that I've tried.
Click here to see answer by onlinepsa(22)

Question 985557: Set notation for y=3x-11
Click here to see answer by stanbon(75887)

Question 986636: Could you please help me with these 2 problem?
They are operations on fractons.
I have tried this a few timess but keep getting it wrong. My answer was
-1/2 but wrong, help please?
5/9 divided by (-9/10)= ?
Next question is-
-10/9 divided by (-9/10)=?
my answer was 1, but I got it wrong, help?
Click here to see answer by stanbon(75887)

Question 986818: when x=2 what is 2x�+3x-1
Click here to see answer by jim_thompson5910(35256)

Question 986885: -8(5-x)=
Click here to see answer by ikleyn(52776)

Question 986817: when x=2 what is 2x�+3x-1
Click here to see answer by Cromlix(4381)

Question 988194: I'm asked to write an algebraic equation for this sentence: 14 less than 3 times a number is 5 more than half of the number. I was thinking maybe 3n-14+5, but it doesn't look correct. Thanks for your help~
Click here to see answer by solver91311(24713)

Question 988527: Perform the operation. Give the answer in a + bi form.
-3/4-i
Click here to see answer by Fombitz(32388)

Question 991308: how to write √52 to 2√17
Click here to see answer by Fombitz(32388)

Question 992470: One tractor can plow a field in 8 hours, and another in 10 hours. In how many hours can both tractors plow the field together ?
Click here to see answer by jim_thompson5910(35256)

Question 992897: ( ) + ( ) + ( ) =30, using these numbers find the numbers needed to give the sum
1,3,5,7,9,11,13,15 repetitions are allowed

Click here to see answer by macston(5194)

Question 994684: Use the rule for order of operations to simplify the expression as much as possible
-2+3/(-1)+4(-5)=
Click here to see answer by stanbon(75887)

Question 997601: At 8:00 pm a scavenger hunt started at the town hall. Team 1 drove 5km east to the golf course, while Team 2 drove 12km west to the beach. By the time team 2 had found some seaweed at the beach, Team 1 had already found an orange golf ball and driven 3km back toward town hall. How far apart were the two teams at this point?
Click here to see answer by addingup(3677)

Question 998482: how to swap two numbers in C

Click here to see answer by ikleyn(52776)

Question 1000749: Jenny has 15 dollars. She buys 2 books that cost $m each. How much does she have left?
Click here to see answer by fractalier(6550)

Question 493621: Write a multiplication or division sentence to answer the question.
The temperature dropped 4 degrees each hour for 3 hours. What was the total change in temperature?
Click here to see answer by temmus(1)

Question 1002813: Please help me solve this
7+2x>5
Click here to see answer by MathLover1(20849)

Question 1002812: Please help me solve this
f(x)=7~3x,find f(-3)
Click here to see answer by MathLover1(20849)

Question 1002812: Please help me solve this
f(x)=7~3x,find f(-3)
Click here to see answer by solver91311(24713)

Question 1002820: Please help me solve this
2x+12=3
Click here to see answer by MathLover1(20849)

Question 1002820: Please help me solve this
2x+12=3
Click here to see answer by stanbon(75887)

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