Is there like any image to see how big are the posts?
Cutting her time by 50% means reducing her time by half. Half of 45 seconds is 22.5 seconds. Therefore, to make the team, she must run a lap in 22.5 seconds.
Answer:
29.6666666667
Step-by-step explanation:
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Assuming you meant square root of 90 it would be
90 equals 3 times the square root of 10
√90 = 3√10
Answer:17 5/6
Step-by-step explanation: