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Marina86 [1]
3 years ago
6

I need help on this problem badly...!!!

Mathematics
1 answer:
Natali [406]3 years ago
3 0

Answer:

24+28-16-34=2

Step-by-step explanation:


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Divide 6 2/3 and 1/5 express your answer as a mixed number in simplest form.
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Answer:

33 1/3

yea das pretty much it

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What is a square root?
Alex777 [14]

Answer:

a number which produces a specified quantity when multiplied by itself.

Step-by-step explanation:

7 is a square root of 49"

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How many different outfits do you have if there are 4 choices of shirts. Shoes you can choose sandals, white tennis shoes, blue
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16

Step-by-step explanation:

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3 years ago
Please help me out :)
NeTakaya
1. D
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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}

or

Id² = constant

thus,

I₁d₁² = I₂d₂²

or

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

therefore,

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

or

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

or

I = 20 × (-1.474)

or

I = -29.49

Therefore,

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

= 180 - 29.49

= 150.51 dB

8 0
3 years ago
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