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KengaRu [80]
3 years ago
10

If the time period of a vibrating body is 0.4 s, then it’s frequency is

Mathematics
1 answer:
irina1246 [14]3 years ago
6 0

Answer:

2.5

Step-by-step explanation:

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Is 3/10 equivalent to 9/30
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Yes it is because if you multiply 3*3=9 
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If the length of each side of a cuboid decreases by 20%, find the percentage decrease in its volume.
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Step-by-step explanation:

(1+25 /100) (1-20/100) (1-50/100)  <1

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A swearer cost $20 but the price was reduced to $ 12 what was the price after the price was reduced
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Shade 1/3 of this pie
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Elena went on a 6-mile walk. She completed the first half of the walk 1 mi/h faster than usual and the second half of the walk 2
xxTIMURxx [149]

Answer:

Her usual rate is 0.8333 miles per hour.

Step-by-step explanation:

The velocity formula is given by:

v = \frac{d}{t}

In which d is the distance and t is the time.

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Her usual rate is v. 1mph faster is v + 1.

The second half of the walk 2 mi/h slower than the first half.

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v = 0.8333

Her usual rate is 0.8333 miles per hour.

8 0
3 years ago
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