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Simplify. (-5.12) - (-4.7) (7.021)
Weegy: 6.601. In the order of operations, addition and subtraction are solved from left to right, not in any particular order. User: hey babe Weegy: Hi. Is there anything I can help you with? User: hey Weegy: Hi. Do you have a question in mind for Weegy? User: dtf Weegy: no User: really Weegy: what do you mean (More)
Question
Updated 82 days ago|6/26/2014 11:15:18 AM
1 Answer/Comment
(-5.12) - (-4.7) (7.021)
=(0-5.12)-(0-4.7)×7.021
=-5.12-(0-4.7)×7.021
=-5.12- 4.7×7.021
=-5.12- 32.9987
=27.8787
Added 82 days ago|6/26/2014 11:15:17 AM
the algebraic expression for "the difference between seven times a number and three that number"?
Weegy: An algebraic expression is one or more algebraic terms in a phrase. It can include variables, constants, and operating symbols, such as plus and minus signs. It's only a phrase, not the whole sentence, so it doesn't include an equal sign. [ Algebraic expression: 3x2 + 2y + 7xy + 5 In an algebraic expression, terms are the elements separated by the plus or minus signs. This example has four terms, 3x2, 2y, 7xy, and 5. Terms may consist of variables and coefficients, or constants. ] User: what is the algebraic expression for "the difference between seven times a number and three that number"? 7 -3x 7x- 3 7x- 3x Weegy: It is: 7x- 3x (More)
Question
Expert Answered
Asked 7/24/2012 8:20:57 AM
0 Answers/Comments
Simplify. (-5.12) - (-4.7) (7.021)
Weegy: 6.601. In the order of operations, addition and subtraction are solved from left to right, not in any particular order. (More)
Question
Updated 7/24/2012 9:40:57 AM
1 Answer/Comment
Simplify. (-5.12) - (-4.7) (7.021)

Remember the order of operations PEMDA Parenthesis, Exponents, Multiply and divide, Add and subtract.

First multiple -4.7*7.021 to get a -32.9987
this leaves -5.12 - (-32.9987)
-5.12+32.9987
= 27.8787 rounded to two decimal places is 27.88
Added 7/24/2012 9:41:00 AM
7 +8(x4 -8) =7
Question
Not Answered
Updated 7/25/2012 2:21:20 PM
5 Answers/Comments
7 +8(x4 -8) =7
7 + 8(x^4) - 8(8) = 7
7 + 8x^4 -64 = 7
7 -64 + 8 x^4 = 7
-57 + 8x^4 = 7
-57 + 57 + 8x^4 = 7 + 57
8x^4 = 64

8x^4/8 = 64/8

x^4 = 8
sq rt of x^4 = sq rt of 8
x = 2.8284 or 2.83
Added 7/24/2012 9:47:19 AM
x= 1.6818, -1.6818
Added 7/24/2012 10:18:40 AM
x = 2
Added 7/25/2012 12:21:11 AM
x=2
Added 7/25/2012 8:48:30 AM
The asnwer is x=2.
Added 7/25/2012 2:21:32 PM
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