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2 years ago

#14 Helppppp me plz this make no sense to me

Mathematics

2 answers:

statuscvo [17]2 years ago

7 0

No you will get a 76% which is still a C, I looked up my answer also!

Anna35 [415]2 years ago

6 0

If im correct it wouldnt mess up his grade that bad he'd get a C and his grade would become 78% is that what its asking?

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Tom jogged 3/5 mile on Monday and 2/6 mile on Tuesday. how much farther did Tom jog on Monday than on tuesday

pashok25 [27]

3/5= 18/30, 2/6= 10/30, so Tom jogged 8/30 more of a mile on Monday then tuesday

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3 years ago

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Determine whether each equation represents a proportional relationship

wlad13 [49]

Hey there! I'm happy to help!

A proportional equation follows the form y=kx, where k is the constant of proportionality.

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2 years ago

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Naddika [18.5K]

Answer:

0,1,2,3,4,5

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2 years ago

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jonny [76]

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3 years ago

One of the loudest sounds in recent history was that made by the explosion of Krakatoa on August 26-27, 1883. According to barom

liraira [26]

Answer:

150.51 dB

Step-by-step explanation:

Data provided in the question:

decibel level of sound at 161 km distance = 180 dB

d₁ = 161 km

d₂ = 4800 km

I₁ = 180 db

The formula for intensity of sound is given as:

I = $10\log(\frac{I_2}{I_1})$

and the relation between intensity and distance is given as:

I ∝ $\frac{1}{d^2}$

Id² = constant

thus,

I₁d₁² = I₂d₂²

$\frac{I_2}{I_1}=\frac{d_1}{d_2}$

therefore,

I = $10\log(\frac{d_1}{d_2})^2$

I = $10\times2\times\log(\frac{161}{4,800})$

I = 20 × (-1.474)

I = -29.49

Therefore,

the decibel level on Rodriguez Island, 4,800 km away

= 180 - 29.49

= 150.51 dB

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3 years ago