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3 years ago

Find the sum of 3876, 9828 and 5030

Mathematics

2 answers:

Gnom [1K]3 years ago

7 0

3876+9828+5030= 18734

Ne4ueva [31]3 years ago

5 0

Answer:

18,734

Step-by-step explanation:

just add them all

3876

9828

+ 5030

---------

18,734

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

slamgirl [31]

Answer:

$db_1 = 10 log_{10} (\frac{10^{-9}}{10^{-12}})= 30 db$

And using the same formula we can find the number of decible for the Braylee's music:

$db_2 = 10 log_{10} (\frac{10^{-3}}{10^{-12}})= 90 db$

And since we want to find how many times louder is Braylee’s music than Jessica’s we can find the following relationship:

$\frac{db_2}{db_1} = \frac{90 dB}{30 dB}= 3$

So then we can conclude that the Braylee's music is 3 times louder then the Jessica's sound. And the best option would be:

3 times louder

Step-by-step explanation:

For this case we know that the loudness measured in decibels is given by this formula:

$dB = 10 log_{10} (\frac{I}{I_o})$

Where $I_o = 10^{-12} W/m^2$ . Using this formula we can find the decibels for the sound for Jessica:

$db_1 = 10 log_{10} (\frac{10^{-9}}{10^{-12}})= 30 db$

And using the same formula we can find the number of decible for the Braylee's music:

$db_2 = 10 log_{10} (\frac{10^{-3}}{10^{-12}})= 90 db$

And since we want to find how many times louder is Braylee’s music than Jessica’s we can find the following relationship:

$\frac{db_2}{db_1} = \frac{90 dB}{30 dB}= 3$

So then we can conclude that the Braylee's music is 3 times louder then the Jessica's sound. And the best option would be:

3 times louder

3 0

3 years ago

Let f(x) = x2 + 15.+ 56 What are the zeros of the function? Enter your answers in the boxes.

Anon25 [30]

The zeros if the function are -8 and -7

5 0

3 years ago

Jaxon needed to get his computer fixed. He took it to the repair store. The technician

kozerog [31]

Answer:

divide 380.50 by 133

Step-by-step explanation:

divide those numbers. then plug the hours in

5 0

3 years ago

Solve for x. −x+8=−9 Enter your answer as a number, like this: 42

Ymorist [56]

Answer:

x=17

Hope it helps;)

Step-by-step explanation:

Subtract 8 from both sides of the equation

-x+8=9

-x+8-8=9-8

Simplify

Subtract the numbers

x= -17

Divide both sides of the equation by the same term

x= 17

-x/-1= -17/-1

Simplify

Cancel terms that are both in the numerator and denominator

Divide the numbers

x = 17

8 0

3 years ago

2y <img src="https://tex.z-dn.net/?f=2y%20%3D%2050" id="TexFormula1" title="2y = 50" alt="2y = 50" align="absmiddle" class="l

elena-s [515]

Y = 25
50 divided by 2 = 25

4 0

3 years ago