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

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Question 892347: which equation is equivalent to x+2y=6
A. y=-x+6
B. y=-1/2x+6
C. y=-x+3
D. y=-1/2x+3

Click here to see answer by LinnW(1048) About Me 

Question 892654: i have the numbers 14, ___, 68, ___, 122 and cannot find the number to make the pattern work. Could you please help? Thank you in advance
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 892243: a man is now 5 times as old as his son . Four years ago, the product of their ages was 52 . Find their present ages

Click here to see answer by LinnW(1048) About Me 

Question 893087: evaluate the expression
7(x-3)/2x-16; x= 9

Click here to see answer by novice(7) About Me 

Question 893277: 10 times the sum of a number and 9
Click here to see answer by rfer(16322) About Me 

Question 893306: The sum of the product of a number x and 14, and 13
Click here to see answer by Fombitz(32388) About Me 

Question 893518: Need help on seeing how the answer is 5.
4+64÷(8×4)÷2

Click here to see answer by richwmiller(17219) About Me 
Question 893518: Need help on seeing how the answer is 5.
4+64÷(8×4)÷2

Click here to see answer by MathTherapy(10555) About Me 

Question 893541: Evaluate 5+4(2-5) to the 2 power + 3
Click here to see answer by rfer(16322) About Me 

Question 892386: Evaluate the expression...
3Pr

Click here to see answer by tommyt3rd(5050) About Me 

Question 893665: 3+2z for z=3
Click here to see answer by Fombitz(32388) About Me 

Question 893770: show how to move the parenthesis in the expression 2+(3-4) 9 so that the value of the expression is 9
Click here to see answer by josgarithmetic(39623) About Me 

Question 893816: Where do I place the brackets in the following problem?
2x3+4x5=46

Click here to see answer by josgarithmetic(39623) About Me 

Question 893934: what is the value if a=3 and b=5
a^3b=

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

Question 893302: If y=(2x-3x^2)/3 and x=2a+1, what is the value of y when a=-1?
Click here to see answer by Fombitz(32388) About Me 

Question 894395: 2+(-6)
Click here to see answer by Alan3354(69443) About Me 

Question 894494: Can x-5 be cancelled to 5-x
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 894533: 12-2(2-3)2
Click here to see answer by Alan3354(69443) About Me 

Question 894537: Evaluate (assume x does not equal 0). 8x^0
Click here to see answer by Theo(13342) About Me 

Question 894887: How do i solve for this? (-18)(0)=0
Click here to see answer by Alan3354(69443) About Me 

Question 894970: 9=n+9 what property is that please help
Click here to see answer by harpazo(655) About Me 

Question 895037: (Simplify the expression?)
1/4 divided by 2/7

Click here to see answer by josgarithmetic(39623) About Me 
Question 895037: (Simplify the expression?)
1/4 divided by 2/7

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

Question 895068: Simplify expression step by step:
3+2•5-4

Click here to see answer by MathTherapy(10555) About Me 

Question 894992: 2/3 . (y + 6) y=3
Click here to see answer by Fombitz(32388) About Me 

Question 895268: Simplify each expression.
3(p + 9q - 2 + 9) + 14p
would you add 2 + 9 first within the parentheses? This is middle school math.
Would the final answer be 17p + 27q - 33 ?

Click here to see answer by richwmiller(17219) About Me 
Question 895268: Simplify each expression.
3(p + 9q - 2 + 9) + 14p
would you add 2 + 9 first within the parentheses? This is middle school math.
Would the final answer be 17p + 27q - 33 ?

Click here to see answer by josmiceli(19441) About Me 

Question 895269: Insert grouping symbols in the expression, 4+7*3^2-2+5*6 so that the value of the expression equals 25.
Click here to see answer by Edwin McCravy(20060) About Me 

Question 895760: (5/3)(3×5-6)-(6-4×5) I don't get how to solve this problem. Can you please help me???
Click here to see answer by josgarithmetic(39623) About Me 
Question 895760: (5/3)(3×5-6)-(6-4×5) I don't get how to solve this problem. Can you please help me???
Click here to see answer by MathTherapy(10555) About Me 

Question 895855: Can someone direct me and help correct my work if i am doing this ok or where did i go wrong.
expand each notation and find its value:
1) 5^3
my work and answer 5*5*5 =125
2)20^2
my work and answer 20*20 = 400
Evaluate the following square roots:

3 )square root (16)
my answer 4
4) square root (81)
my answer 9

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

Question 895844: A pool measuring 10 meters by 20 meters is surrounded by a path of uniform width if the area of the pool and path combined is 416 square meters what is the width of the path
Click here to see answer by josgarithmetic(39623) About Me 
Question 895844: A pool measuring 10 meters by 20 meters is surrounded by a path of uniform width if the area of the pool and path combined is 416 square meters what is the width of the path
Click here to see answer by MathTherapy(10555) About Me 

Question 896348: 3/4q+1/2q^2=1/8q
Click here to see answer by stanbon(75887) About Me 

Question 896397: Lucy is k years old. She has a sister who is three years younger than she is and another sister who is five years less than twice Lucy;s age. Write an expression, in simplified form, for the sum of the three girls' ages.
Click here to see answer by josgarithmetic(39623) About Me 

Question 896635: My teacher says write a word problem than can be evaluated by the algebraic expression
x-450, and then evaluate the expression for x=1325

Click here to see answer by josgarithmetic(39623) About Me 

Question 896742: what is 9t^2 +12t + 4 factored completely ?

Click here to see answer by harpazo(655) About Me 

Question 896834: 7 (x+2)+x=3 (x+5)+4

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

Question 897066: Hello,
Find the amplitude of the function
f(x)=3sin(2x-1)+pi

Click here to see answer by josmiceli(19441) About Me 
Question 897066: Hello,
Find the amplitude of the function
f(x)=3sin(2x-1)+pi

Click here to see answer by Theo(13342) About Me 

Question 897073: i need help to figure this out.
Simplify
m(2+n-m)+3(3n+m^2-1)

Click here to see answer by rothauserc(4718) About Me 

Question 897382: Evaluate:
(1 1/2)^-2
(1 3/7)^-1

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

Question 897561: where to put the parentheses in 5+3*2-6 to get 10 as an answer

Click here to see answer by MathTherapy(10555) About Me 

Question 897664: What is: a number y decreased by 25?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 898027: evaluate 5^3
Click here to see answer by Alan3354(69443) About Me 

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