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

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Question 39608: I'm lost on how to evaluate each of the expessions. Thank you so much for your help
b then 2 above the b - 2bc + c then 2 above the c

Click here to see answer by stanbon(75887) About Me 

Question 39616: 4b+5d - c over a

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Question 39606: I'm lost on how to evaluate each of the expessions.


4b + 5d - c over a

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Question 39782: HOW56 CAN I SOLVE FOR THE X ON THIS THANKS ' I BY ACCIDENT WROTE DOWN THE WRONG PROBLEM TOTALLY DIFFERENT. I'M LOST THANK YOU


-4 (2x -3) -8x + 5

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Question 40054: Combine like terms.
5w + 5x – 9w



A) w + x B) 10w – 9x C) –4w + 5x D) wx


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Question 40054: Combine like terms.
5w + 5x – 9w



A) w + x B) 10w – 9x C) –4w + 5x D) wx


Click here to see answer by dyonak(3) About Me 

Question 40053: Which property of the real numbers is illustrated by the following statement?
7 · 3 = 3 · 7

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Question 40051: Evaluate b2 – 2bc + c2 if b = 3 and c = –2.

im coming up with 17..am i right

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Question 40051: Evaluate b2 – 2bc + c2 if b = 3 and c = –2.

im coming up with 17..am i right

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Question 40050: is this a expression
y + · w

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Question 40046: result in simplest form

3 1/3

divide


2 2/3

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Question 40045: Evaluate. – | –2 |
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Question 40043:
2)
Evaluate. | –7 | + | 13 |


i thought it was
–20 but im wrong

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Question 40042:
3) Evaluate. 81 ÷ 9 – 16 ÷ 8
i thought was 8 but i was wrong.

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Question 39941: i dont understand this thank you verymu44ch



[(2+3) power of 2 -4.5}+7

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Question 40156: Find the median.
20 15 17 25 22


Click here to see answer by Nate(3500) About Me 

Question 40153:

Write the following phrase using symbols.
m decreased by by 4

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Question 40266: [2+3) power 2 - 3 .5 +7
thank you sarah

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Question 40184:

im lost on how to evalvaute.
/ 11 / + / -11 /
But these / are straight lines

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Question 40369: Simplify (be sure to rationalize all denominators)
11. 3/[SQRT(5) - 2]
I tried and got this for my answer, 1/-2/3+5/9. This isn't right and I dont know exactly how to go about finding the correct answer. Thank you!

Click here to see answer by Nate(3500) About Me 

Question 40714: Translate the following into inequalities. Let x represent the number.
2 time a number, increased by 28, is less than or equal to 6 yimes that number.

Match each inequality on the right with a statement on the left.

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Question 35089: Simplify the following algebraic expression.
-(3a^6b^4)

Click here to see answer by fractalier(6550) About Me 

Question 41292: Can someone help me with this problem?
(Round to the nearest hundredth)
7 L = ____________ qt
Thanks,
Sher

Click here to see answer by zeynep(43) About Me 

Question 41319: 8(3-m)+7=47
solve
show work

Click here to see answer by vidhyak(98) About Me 

Question 41426: Can someone help me solve this problem?
What units in the metric system would you use to measure each of the following quantities?
(a) Distance from Los Angeles to New York
(b) Your waist measurement
(c) Width of a hair
(d) Your height
Thank you,
Lyn

Click here to see answer by venugopalramana(3286) About Me 

Question 41424: find the exact value of tan 15 degrees WITHOUT USING TABLES OR A CALCULATOR. be sure to show your work.
Click here to see answer by zeynep(43) About Me 

Question 41423: find the exact value of cos 105 degrees WITHOUT USING TABLES OR A CALCULATOR. be sure to show your work.
Click here to see answer by venugopalramana(3286) About Me 

Question 41421: prove that sin^2 x(1 + cot^2x) = 1. Prove this for ANY angle.
Click here to see answer by venugopalramana(3286) About Me 

Question 41422: prove that tan x(cot x + tan x) = sec^2 x. Prove this for ANY angle.
Click here to see answer by venugopalramana(3286) About Me 

Question 41419: prove that sin^2 x(1 + cot^2x) = 1. Prove this for ANY angle.
Click here to see answer by venugopalramana(3286) About Me 

Question 41455: solve
(-6x^4+3x^2-16)+ (4x^2+4x-7)
please show work

Click here to see answer by zeynep(43) About Me 

Question 41460: 18=9-(3-x)
show work

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Question 41460: 18=9-(3-x)
show work

Click here to see answer by zeynep(43) About Me 

Question 41458: a+7-2a=14+7a-10
show work

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Question 25212: 2a+3a-11.4=6.8
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Question 41475:
Click here to see answer by tutorcecilia(2152) About Me 

Question 18643: [(5n-4)+(3n-7n)]-1
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Question 16914: Evaluate each expression
9 cubed

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Question 41459: 18=9-(3-x)
show work

Click here to see answer by vidhyak(98) About Me 

Question 41748: Evaluate the expression: 3.2-3/5
I am lost with the "-" sign
Thanks for your help

Click here to see answer by nik_consult(24) About Me 

Question 41990: Help Solving expressions:
I did this to solve
5+(2)^2 /(3-1)*3
5+4 / 2*3
which leaves
9/6
I am confused with the PEMDAS.

Click here to see answer by checkley71(8403) About Me 

Question 42083: 9(x-6)/12(x-6)(x+3)
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Question 42084: Evaluate 3x-7y when x=-2and y=-3
please explain

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Question 42085: Perform the operation in this expression
4s%2B2%28s%2B4%29%2B4

Click here to see answer by PaulAllen65270(19) About Me 

Question 42368: (Show your work)
Evaluate: xy + yz + xyz
if x = 1/3
y = 24
and z = 1/8.
Thanks from Precious

Click here to see answer by psbhowmick(878) About Me 

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