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30 January, 06:04

Evaluate 10a + 7 if a = 1/5. 10a + 7 = 10 (?/?) + 7

=?+7

=?

Replace a with 1/5.

Multiply 10 and 1/5.

Add.

+1
Answers (1)
  1. 30 January, 06:16
    0
    9

    Step-by-step explanation:

    We know that a=1/5. Therefore, we can substitute 1/5 in for a into the expression.

    10a + 7

    10 (1/5) + 7 Multiply 1/5 and 10

    2+7 Add 2 and 7

    9
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