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1 year ago

plesee help me do I need it under 25min and don't answer if you don't know or else u will be reported thank you (◔‿◔)

Mathematics

1 answer:

34kurt1 year ago

3 0

Answer:

l = 2.25 cm

Step-by-step explanation:

given l is inversely proportional to w² then the equation relating them is

l = $\frac{k}{w^2}$ ← k is the constant of proportion

(i)

to find k use the condition w = 1.5 , l = 16 , then

16 = $\frac{k}{1.5^2}$ = $\frac{k}{2.25}$ ( multiply both sides by 2.25 )

36 = k

l = $\frac{36}{w^2}$ ← equation of proportion

(ii)

when w = 4 , then

l = $\frac{36}{4^2}$ = $\frac{36}{16}$ = 2.25 cm

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$\boxed{\bold{Decimal \ Form: \ x \ = \ -0.125}}$

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3 years ago

plesee help me do I need it under 25min and don't answer if you don't know or else u will be reported thank you (◔‿◔)​

plesee help me do I need it under 25min and don't answer if you don't know or else u will be reported thank you (◔‿◔)