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kow [346]
3 years ago
7

marian is a sprinter, running short distances on the track team. she wants to find how fast she runs in miles per hour. what uni

ts should she start with?
Mathematics
1 answer:
Annette [7]3 years ago
6 0
Meters and seconds.

Most short distance races involve meters and the timing is usually in seconds. She can use the information and convert it to miles per hour.
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If a is an odd integer and b is an even integer, which of the following makes an odd integer?
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9514 1404 393

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  D.) a+2b

Step-by-step explanation:

The integers 'a' and 'b' can be any, so you can choose a couple and evaluate these expressions to see what you get. For example, we can let a=1 and b=0. For these values, the offered expressions evaluate to ...

  A) 3(0) = 0 . . . even

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_____

<em>Additional comment</em>

These rules apply to even/odd:

  • odd × odd = odd
  • odd × even = even
  • even × even = even
  • odd + odd = even
  • odd + even = odd
  • even + even = even

Then A is (odd)(even) = even; B is (odd)+(odd) = even; C is (even)(whatever) = even; D = (odd)+(even) = odd.

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2 years ago
In the first quadrant you start at (7,3) and move 5 unit left
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When we're moving left in the coordinate plane, we are subtracting the x-coordinate by how much distance we move.

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3 years ago
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square and rectangle

Step-by-step explanation:

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