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beks73 [17]
3 years ago
11

Use benchmarks to estimate the sum, difference, or product.\

Mathematics
1 answer:
sammy [17]3 years ago
6 0
1 7/8 + 1/9 = 143/72 and simplify it and u get 1 71/72

8 8/9 - 5 1/11 = 376/99 and simplify it and u get 3 79/99

7 1/13 * 4 15/17 = 7636/221 and simplify it and u get 34 122/221

hope this helps
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Answer:

The phase difference between yA and yB is  \frac{-\pi }{12}

Step-by-step explanation:

Given harmonic modeled as :

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The function as written as :

y = a sin(ωt  - Ф)  where  Ф is phase difference

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I.e phase difference between yA   and  yB =\frac{-\pi }{12}

Hence The phase difference between yA and yB is \frac{-\pi }{12}   Answer

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