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Tamiku [17]
3 years ago
5

Help me pls help me pls

Mathematics
2 answers:
lara31 [8.8K]3 years ago
5 0

Answer:

v = k√E

Step-by-step explanation:

v is proportional to square root of E means:

v ϱ √E

the general formula for variation is y=kx

as y is proportional to x

Semenov [28]3 years ago
4 0

Answer:

v = k\sqrt{E}

Step-by-step explanation:

Given v is proportional to \sqrt{E} then the equation relating them is

v = k\sqrt{E} ← k is the constant of proportion

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Read 2 more answers
A company has 300 items to post, they have packages and
swat32

Answer:

£162.35.

Step-by-step explanation:

Total of letters + packages = 300.

Number of packages =  300 * 16 / ( 16+59)

= 300 * 16/75

= 64

So number of letters = 300 - 64 = 236.

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No. of 2nd class letters = 236 - 59 = 177.

Total cost

=  64*1.2 + 0.52*59 + 0.31*177

= 162.35.

4 0
2 years ago
Elena has $0.90. Kia has 10 times as much money
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Answer:

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Step-by-step explanation:

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