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

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Question 257331: 49xy over 56x =
Click here to see answer by drk(1908) About Me 

Question 257330: 6 over 7 (b-42)=
Click here to see answer by drk(1908) About Me 

Question 257329: 49xy over 56x =
Click here to see answer by Alan3354(69443) About Me 

Question 257359: A rectangular soccer field is 30 yards longer than it is wide. Write and simplify an expression for the perimeter of the field in terms of the width w.
Click here to see answer by drk(1908) About Me 

Question 257619: I am trying to solve a problem that asks to write expressions in lowest terms.
3x^2+3x-6/x^2-4=
Any help would be much appreciated.
Thanks
Deanne

Click here to see answer by richwmiller(17219) About Me 

Question 257723: 2/(x+2)-1/(x-6)=3/(2x+4)
Click here to see answer by checkley77(12844) About Me 

Question 258134: I need help on evaluating 12- abs|b-5| if b= 2
Click here to see answer by drk(1908) About Me 

Question 258262: 3{[7(x - 2) + 4] - [2(2x - 5) + 6]}
my text gives me an answer of 9x-18. I am totally stuck on this, help please!! thank you

Click here to see answer by edjones(8007) About Me 

Question 258945: i need to change 1.091 to a mix number

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 259130: writhe two verbal expressions for n - 5
Click here to see answer by stanbon(75887) About Me 

Question 259137: -3/4 x -1/3 + 7/8 x -1/2
Click here to see answer by rfer(16322) About Me 

Question 259256: 4((-2/3)+4/3) how is the answer 8/3 ?
Click here to see answer by Fombitz(32388) About Me 

Question 259494: (3x-8)(4x+3) =0
Click here to see answer by checkley77(12844) About Me 

Question 259660: How do you simplify 2(5x-3)(4)?
Thank you

Click here to see answer by Fombitz(32388) About Me 

Question 259967: Both Sorang and Tom have an international stamp collection. Sorang has 370
stamps, which is twenty less than three times the number of stamps that are in
Tom’s collection. How many total stamps are in Tom’s international stamp collection?

Click here to see answer by mananth(16946) About Me 

Question 260116: find the difference in elevation between 5,642 and -28 do I add or subtract the elevation -28m to or from the elevation______m
Click here to see answer by Alan3354(69443) About Me 

Question 260135: Evaluate each function for the value specified. f(x) = x^2 - x -2; find f(-2).
What are the steps to solve this equation? Any help is appreciated. Thanks.

Click here to see answer by jim_thompson5910(35256) About Me 

Question 260450: my son has homework and I am having a problem remembering it.
It is algebraic expressions and he needs graph the results using x and y.
Divide by 2, then add 3 for 1 2 3 4 5
Subtract 8 for 1 2 3 4 5

Click here to see answer by dabanfield(803) About Me 

Question 260594: Two angles are complementary. The sum of the measure of the first angle and one-fourth of the second angle is 82.5. What is the measure of the smaller angle? What is the measure of the other angle?
Click here to see answer by mananth(16946) About Me 

Question 261140: ( x- 3) + 5x - 11 how do you figure out X
Click here to see answer by solver91311(24713) About Me 

Question 262394: How do I write the expression the product of c and c less than 4
Click here to see answer by drk(1908) About Me 
Question 262394: How do I write the expression the product of c and c less than 4
Click here to see answer by solver91311(24713) About Me 

Question 262396: How do I write 7 times the difference of a and b.
Click here to see answer by drk(1908) About Me 

Question 262478: -5x/7 + y= -2, solve the equation for y in terms of x
Click here to see answer by richwmiller(17219) About Me 

Question 262611: For the equation x-4-sqrt9x. There is one positive number solution. Why is this? What is the formla for finding if the answer is positive or negative and if there is more than one answer?
Click here to see answer by solver91311(24713) About Me 

Question 262767: Hello could you please help me solve this equation? 8(3z-5)=34 is the equation and I am coming up with an answer of z=2.74, but this is an answer rounded to the nearest ten thousandth.
Click here to see answer by Alan3354(69443) About Me 

Question 265112: Simplify this:
5+[-20divided[-7-(-3)times 4]]

Click here to see answer by JBarnum(2146) About Me 

Question 265213: what is 4p-10+p+3p-p
Click here to see answer by rfer(16322) About Me 

Question 265286: x/2-1=x/5+2
Click here to see answer by stanbon(75887) About Me 

Question 265195: simplify -3(-4x+2)
Click here to see answer by rfer(16322) About Me 

Question 265971: solve the proportion 12/3 = b/52
Click here to see answer by Alan3354(69443) About Me 

Question 266341: (evaluate)yz + xy - z for x=2,y=4,z=1
Click here to see answer by user_dude2008(1862) About Me 

Question 266440: Pattern of squares
Stage 1 2 squares
Stage 2 6 squares
Stage 3 12 squares
Stage 4 20 squares
Which expression can be used to determine the number of squares at stage n?
A. 5n-3
B. 4n-2
C. 2 n2
D. n2 + n

Click here to see answer by drk(1908) About Me 

Question 266449: The width of a retangle is fixed at 15cm. What lengths will make the perimeter greater than 86cm?
Click here to see answer by drk(1908) About Me 

Question 266662: how to do this problem to get the answer 2
64 divied by 8 * 2
__________________
(sq root of 9-sq root of 4)2+1

Click here to see answer by unlockmath(1688) About Me 

Question 266694: factor the expression
12x^2y^4-3xy^5+9x^3y^2

Click here to see answer by JBarnum(2146) About Me 
Question 266694: factor the expression
12x^2y^4-3xy^5+9x^3y^2

Click here to see answer by Alan3354(69443) About Me 

Question 266838: If an algebraic expression states,"the sum of 7 and twice a number", shouldn't the answer be 7 + 2n? I realize that 2n + 7 would also be acceptable, because of the associative property, however, aren't the key words the sum of 7 and, it doesn't say the sum of twice a number and 7.

Click here to see answer by rfer(16322) About Me 

Question 267098: whats the answer to -3 to the second power

Click here to see answer by Alan3354(69443) About Me 
Question 267098: whats the answer to -3 to the second power

Click here to see answer by Earlsdon(6294) About Me 

Question 267488: How do I solve: (x^2+4x+4)/(x+2)
Click here to see answer by mananth(16946) About Me 

Question 267485: Evaluate 5r - 3s when r = 3 and s = 5.
Click here to see answer by mananth(16946) About Me 
Question 267485: Evaluate 5r - 3s when r = 3 and s = 5.
Click here to see answer by drk(1908) About Me 

Question 267603: Evaluate the expression. 5[7-2(6+2)]-7
Evaluate the expression. 3-4x6-[4(2-5)]
8x-(x+3)= -2(2x+1)-12
E

Click here to see answer by rfer(16322) About Me 

Question 267918: (2x+6)(3x+2)
Click here to see answer by palanisamy(496) About Me 

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