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Mariulka [41]
3 years ago
14

What is the value of the expression 2x²- 3x + 7 when x = 3? *

Mathematics
2 answers:
postnew [5]3 years ago
6 0
16
...................
kupik [55]3 years ago
3 0
16

.......................
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What is the value of x?
Dafna1 [17]

Answer:

3x = 12x - 81(vertically opposite angles)

→3x - 12x =  - 81

→- 9x =  - 81

→x =  \frac{ - 81}{ - 9}

→x =  \frac{81}{9}

→x = 9

hope it helped you:)

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Step-by-step explanation:

The list of SI prefixes is attached. Each has an abbreviation that can be used with the abbreviation for the SI unit of interest.

<h3>Application</h3>

A factor of 10 is signified by the prefix deka-, abbreviated "da". Then 10 grams is 1 dekagram, or 1 dag.

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