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matrenka [14]
3 years ago
15

Which equation represents seven times a number decreased by 2 is 19? A)   7 + x -­ 2 = 19 B)   7x + 2 = 19 C)   2x - ­ 7 = 19 D)

   7x - ­ 2 = 19
Mathematics
1 answer:
Helen [10]3 years ago
4 0

Answer:

7n - 2 = 19

Step-by-step explanation:

7 times a number is 7n.

7 times a number, decreased by 2, is 7n - 2.

7 times a number, decreased by 2, is 19  is represented by 7n - 2 = 19

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Step-by-step explanation:

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3 years ago
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16^x = 64^x + 4 <br> a) x = −12 <br> b) x = −2 <br> c) x = 2 <br> d) x = 12
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\bf\large{please  \: refer  \: in  \: attachment}

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2 years ago
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3 years ago
Irina wants to build a fence around a rectangular vegetable garden so that it has a width of at least 10 feet. She can use a max
elena-14-01-66 [18.8K]
In option a, w < 10
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3 years ago
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