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4 years ago

Using the ratio of perfect squares method, what is square root of 53 rounded to the nearest hundredth?

1 answer:

3 0

53 is not a perfect square and whereby not using a calculator, 53 is between the perfect squares of 49 and 64. Hence the answer should be between 7 and 8. since 53 is closer to 49, then the answer should be close to 7. use a calculator to verify

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4 years ago

The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as L=10logl/

matrenka [14]

Answer:

The the loudness heard by the mower will be 4 times the loudness heard by the Brandon.

Step-by-step explanation:

The least intense sound a human ear can hear , $I^o=10^{-12} dB$

The sound intensity level that Brandon can hear ,I= $10^{-10} dB$

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$L'=10\log\frac{I'}{I^0}=10\log\frac{10^{-4} dB}{10^{-12}dB}=80$

So, the:

$\frac{L}{L'}=\frac{20}{80}=\frac{1}{4}$

$L'=4\times L$

The the loudness heard by the mower will be 4 times the loudness heard by the Brandon.

7 0

4 years ago

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Select all the fractions that are greater than 1/2.

Diano4ka-milaya [45]

Answer:

3/5

7/13

10/7

Step-by-step explanation:

all of these are greater than 1/2

5 0

3 years ago

PLEASE HELP IM BEGING

Likurg_2 [28]

Answer:

504 cm squared

Step-by-step explanation:

14 * 14 = 196

14 / 2 = 7

7 * 11 = 77

77 * 4 = 308

308 + 196 = 504

504

Hope this helped! Have a nice day! Plz mark as brainliest!!!

-XxDeathshotxX

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3 years ago