Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

Tutors Answer Your Questions about expressions (FREE)

Question 296056: Final problem question for me
(-8)(-5) + 7^ {2)

someone please help me
Click here to see answer by checkley77(12844)

Question 296054: 4/5(-15/11)
I need some sever help on how to find the answer to this question
Click here to see answer by checkley77(12844)

Question 296019: What is the Factor Expression for 9k2+24k+16 ?(9k2 = 9k Squared)
Click here to see answer by checkley77(12844)

Question 296754: twice a number subtracted from twenty
in a champion basketball game eddie kendricks made twice as many free throws as jalon rose if the total number of free throws made by both men was twelve find how many free throws jalon made
Click here to see answer by bccfd(1)

Question 296792: i need help to evaluate my algebra problem the problem is x2-7x-8 for x= - 3
Click here to see answer by jim_thompson5910(35256)

Question 296807: twice a number
Click here to see answer by richwmiller(17219)

Question 299912: -x[-x(x - a) - (a -x)] a= -5 x= -2 I home school my 14 year old daughter. The answer is 18, but no only do I need to be able to comprehend this, I also need to explain it to her as well.
Thank you!
Click here to see answer by stanbon(75887)

Question 300222: The sum of two numbers is 50 . The larger number is 10 more than the smaller number. What are the numbers?
Larger#
and
smaller #
Click here to see answer by nerdybill(7384)

Question 300331: I need to know how to do this problem, it says
Evaluate |-14|
Click here to see answer by Stitch(470)

Question 300829: simplify
-2 3/11 - (-7 10/11)
Click here to see answer by Alan3354(69443)

Question 300891: 1/2(9x-12)=1/2(8x-6)
Click here to see answer by Fombitz(32388)

Question 301107: Please help me simplify this problem. I just don't understand. -5n+3(6+7n)Thank you so very much for this much needed help. I really appreciate it!!!
Click here to see answer by mananth(16946)

Question 301136: hey!1 how are you????? i just wanted to know if you can help me with my math
25+d=8
w+38=5
13=x-13
j=(-61)=-2
t-(-29)=29
Click here to see answer by Alan3354(69443)

Question 301247: Thanks for your help! . . . . Sally made 24 cupcakes. She gave each of her 5 friends the same number of cupcakes, saving 4 for herself. Write an equation that could be used to find how many cupcakes each friend received.
We know the answer is 4 each . . .
(24-4)divided by 5= x
is this the right way to write that? Thank you!
Click here to see answer by mananth(16946)

Question 301828: an equivalent expression without parenthesis for this problem -(b+69)=
Click here to see answer by richwmiller(17219)

Question 301969: For 20 corporations, we found that the correlation coefficient between financial performance and the number of illegal actions detected is -.5. Test the null hypothesis that the population correlation coefficient is equal to zero, against the alternative hypothesis that it is less than zero. Use an alpha of 0.05. It is a _____ hypothesis test.
Is this a one tailed or two tailed hypothesis test?
Click here to see answer by stanbon(75887)

Question 301973: One of the delinquency measures was the frequency of alcohol consumption of males and females at �Sunshine High�. Males (mean=2.23;standard deviation=1.59) had a slighter higher average consumption than females (mean=1.95;standard deviation=1.29). Perform a hypothesis test to determine if male and female students differ from one another in the population on alcohol consumption. Kreager surveyed 566 males and 551 females. Use a .05 level of statistical significance. Assume population variances are equal. Treat male students as population 1 and female students as population 2. The obtained t value is____________ . You will "reject" or "fail to reject" the null hypothesis.
Click here to see answer by stanbon(75887)

Question 302013: Please help to isolate "x" in the following equation:

If it makes it any easier, the problem with the plugged in variables, solving for x (in this particular problem) is .
HINT (if needed): The correct solution for "x"= 17.446%
Yes, I have made several attempts on my own, but the work is too plenty and too confusing for me to try and input through the computer.
Thank you
- Rose
pazion1@yahoo.com

Click here to see answer by Alan3354(69443)

Question 303666: y=-3 to the third power
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Question 303666: y=-3 to the third power
Click here to see answer by Stitch(470)

Question 304406:
Click here to see answer by checkley77(12844)

Question 304609: evaluate the square roots first, then subtract the results
sqrt (121)-sqrt(100)=
Click here to see answer by blwinbbbles(106)

Question 304608: evaluate the expression.
=sqrt (-49)
Click here to see answer by blwinbbbles(106)

Question 304607: evaluate the expression, or state that the expression is not a real number
=sqrt (121)
Click here to see answer by blwinbbbles(106)

Question 304732: I am having problems with translating to an algebraic expression.
Example: Translate to an algebraic expression 29 multiplied t
tammyivey1963@yahoo.com
Click here to see answer by nerdybill(7384)

Question 304758: use radical notation to rewrite the expression. then simplify.
1252/3=
Click here to see answer by Alan3354(69443)

Question 304813: how do you do 1/3-5(1/2+3)

Click here to see answer by themathtutor2009(81)

Question 304845: to find the value of an alegebraic expression by substituing a number for each variable and simplifying.
Click here to see answer by themathtutor2009(81)

Question 305003: 6X to the second power
Click here to see answer by richwmiller(17219)

Question 305072: Sorry if this is not the right topic, I have no idea what kind of problem this is: If f(x)=2x+1 and g(x)=(x-1)/2, then f(g(x))= ? Answer and steps for getting there would be much appreciated thanks to all for your help so far!
Mike
Click here to see answer by stanbon(75887)

Question 305502: Determine whether the relation is a function, {(3,6),(4,6),(10,6),(12,6)}Thanks
Click here to see answer by graphmatics(170)

Question 305508: evaluate -x for the given value of x? When x =3? When x=-2.9? plz help thanks
Click here to see answer by Fombitz(32388)

Question 305495: how can i solve: (6a^3)^2(1over2a^3)^2
Click here to see answer by checkley77(12844)

Question 305596: I am having trouble with this problem...We are trying to evaluate the variable expression
- 2/3 *3 - 1/5 (4*3- -2*-1).
So it is neg. two-thirds times three minus one-fifth, times four, times three minus neg two times neg one.
I am all over the place with different tries... Please help!
Thanks
Angie

Click here to see answer by checkley77(12844)

Question 306444: How do you simplify the following expression?:
7p - 1 - 9p + 5
Click here to see answer by checkley77(12844)

Question 307459: Simplify the expression. Answer without using negative exponents.
(-2*y)^4
Click here to see answer by rapaljer(4671)

Question 308382: 58 � 54 = 5m Help me solve this please
Click here to see answer by rfer(16322)

Question 308525: a=-5
b=2
3ab=
Click here to see answer by rapaljer(4671)

Question 309403: Translate to an algebraic expression. Use x and y for variables.
one less than a product of two numbers.
Click here to see answer by ichudov(507)

Question 309400: Translate to an algebraic expression. Use x and y for variables.
Click here to see answer by Fombitz(32388)

Question 309480: I have a problem which says "which of the following ordered pairs is a solution of 3x+2y=-2"? Thank you
is it a. (2,-4) or b. (-4,2) or c. (1,-4) or d. (-4,1)
Click here to see answer by JBarnum(2146)

Question 309582: How can I determine whether this relation is a function or not? Need help
{(3,6),(4,6),(10,6),(12,6)}
Click here to see answer by alicealc(293)

Question 309477: Can you tell me the degree of this polynomial 3^2-2x-7^3+2? Need help. This stuff is new to me.
Click here to see answer by Theo(13342)

Question 309714: 2/3(7/8-4x)- 5/8= 3/8
Click here to see answer by rfer(16322)

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