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Aleks [24]
2 years ago
14

I NEED HELP EMERGENCY!!

Mathematics
1 answer:
Oksi-84 [34.3K]2 years ago
3 0
Oh okie oh gosh lol lol oh okie so
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E varies directly with the square root of C. If E=40 when C=25 find: E when C= 49
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Answer: E = 56

Step-by-step explanation:

E is proportional to √C

To remove proportionality, introduce a constant (k).

E = k × √C

From question,

E = 40 and C = 25

So,

40 = k ×√25

40 = k × 5

k = 8

Now,

C = 49

k = 8

E = ?

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E = 8 × √49

E = 8 × 7

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