3 years ago

A student wrotw a variable expression n-5 for the word phrase n less than 5. explain the students error

1 answer:

3 0

Less than does mean minus, but when the question says less than some number, that number goes first. should have written 5-n

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lozanna [386]

Answer:

Step-by-step explanation:

7^8 x 7^3 x 7^4 / 7^9 7^5

= 7^(8+3+4) / 7^(9+5)

= 7^15 / 7^14

= 7^(15-14)

= 7.

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Homework help, one of the few I have

Alex73 [517]

Answer:

x=4 and the solution is not extraneous

Step-by-step explanation:

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This solution is not extraneous, because plugging it back in you get:

$\sqrt{2(4)+1}=3 \\\\\sqrt{9}=3 \\\\3=3$

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Step-by-step explanation:

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gizmo_the_mogwai [7]

Answer:

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zvonat [6]

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