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nadezda [96]
3 years ago
7

How do i check 11z-5=9z+7

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
5 0

Answer:

z=6

Step-by-step explanation:

11z-9z=7+5

2z=12

z=6

NARA [144]3 years ago
3 0

Answer:

z= 6

Step-by-step explanation:

You check it by plugging the value, z, into the equation.

11(6)-5=9(6)+7

61=61

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Seetha drove to work at 30 miles per hour. How fast would she need to drive home for the average speed for her round trip commut
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Answer:

40

Step-by-step explanation: Total distance = 60 miles

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8 0
3 years ago
What does n equal in 2(n+5)=-2
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6 0
3 years ago
Seven and thirty twp hundreths plus two and one tenth times two and seven tenths minus 18a
alexdok [17]
Answer:  Write the expression as:

" 70 \frac{32}{100} +
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______________________________________________________
or;  write as:
______________________________________________________
           " 70.32  + (2.1) * (2.7)  − 18a " ; 
______________________________________________________

To simplify:
______________________________________________________

  Using "PEDMAS" (the "order of operations") ; 

the "multiplication" comes first; 

So:  →  "(2.1) * (2.7) =  5.67 " .

And rewrite:
______________________________________________________
 " 70.32  + 5.67 − 18a " .

Now:  " 70.32 + 5.67 = 75.99 " ; 

So, we can the final simplified expression as:
______________________________________________________
   " 75.99  −  18a " ;  

or; write as:  " 75\frac{99}{100}  −  18a " .
______________________________________________________
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4x2 is the GCF of this polynomial.
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Hope this helps(:
6 0
3 years ago
Read 2 more answers
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