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san4es73 [151]
2 years ago
7

Ari is recording the number of laps he walks around the track each day, On Day 1, he walks 8 laps. On Day 2, his number of laps

Mathematics
1 answer:
alina1380 [7]2 years ago
6 0

Step-by-step explanation:

to compare day 1 with day 2 :

100% = 8

1% = 100%/100

25% = 25×1% = 100% × 25/100 = 8 × 1/4 = 2

so, on day 2 he walks 8+2 = 10 laps.

on day 3 he walks then 10-1 = 9 laps.

so, now, to calculate the % decrease compared to day 2

100% = 10

1% = 100%/100 = 0.1

how many % is represented by this 1 lap he was walking less ?

1 / 1% = 1 / 0.1 = 10%

so he had a 10% decrease from day 2 to day 3.

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Given that tan^2 theta=3/8,what is the value of sec theta?
algol [13]

Answer:

The value of SecФ is  \pm \sqrt{\frac{11}{8}} .

Step-by-step explanation:

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Now SecФ = \frac{Hypotenuse}{Base}

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<u>Second Method</u>

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Or, Sec²Ф = 1 +  tan²Ф

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Or, Sec²Ф = \frac{11}{8}

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Hence The value of SecФ is  \pm \sqrt{\frac{11}{8}} . Answer

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