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STatiana [176]
3 years ago
12

14x+3y+250. Identify the variables, variable terms, constant terms, and coefficients, as well as what they represent in the cont

ext you describe.
Help now!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Mathematics
1 answer:
rewona [7]3 years ago
5 0
The variables are x and y. The constant is 250. The coefficients are 14 and 3
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What is the decibel level of a dog barking with intensity 10−5 watts per square inch? Use a logarithmic model to solve.
Vsevolod [243]

Answer:

The sound intensity is about 101.9 dB

Step-by-step explanation:

Sound intensity is the amount of sound energy per unit area.

The intensity of the dog bark is 10⁻⁵ W/in². The intensity of sound in decibels is given by:

\beta=10\ dB*log(\frac{I}{I_o} )\\\\Where\ I=Sound\ intensity\ in \ W/m^2, I_o=reference\ sound\ intensity=10^{-12}\ W/m^2\, \beta= sound\ intensity\ in\ dB

I = 10⁻⁵ W/in² = 0.0155 W/m²

Therefore:

\beta=10\ dB*log(\frac{I}{I_o} )\\\\\beta=10\ dB*log(\frac{0.0155}{10^{-12}} )\\\\\beta=101.9\ dB

The sound intensity is about 101.9 dB

5 0
3 years ago
Why is 9.6 rational <br> plz help quick...
dangina [55]

The reason that 9.6 is rational is because it can be turned into a fraction.

The fraction is  48/5.

Rational numbers are numbers that can be turned into a fraction, while irrational numbers a those who cannot be turned into a fraction.

6 0
4 years ago
If sales tax is 7%, what is the total cost of the<br> sweater that is 12.00
Gelneren [198K]

Answer:

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Step-by-step explanation:

<u>Add 7% tax to $12.00:</u>

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4 0
2 years ago
Read 2 more answers
Shanika makes 2,800 milliliters of chicken soup for a dinner party. She needs 3.5 liters. How many more milliliters does Shanika
Sedbober [7]
There are 1000 millilitres in one litre,  so Shanika will need 700 more millilitres. 

5 0
3 years ago
Please helpppppp meeee
yKpoI14uk [10]

Answer:

0.25     Converges

Step-by-step explanation:

First, we need to expand our series so that we get the following:

\sum _{n=1}^{\infty \:}\frac{n}{4^n}+\frac{1}{4^{n+1}}

We can then use the series ratio test on each term. (L < 1 = absolutely convergent)

\sum _{n=1}^{\infty \:}\frac{n}{4^n}

\lim_{n \to \infty} \frac{n}{4^{n}\\} =

⇒  converges

\sum _{n=1}^{\infty \:}\frac{1}{4^n^+1}

\lim_{n \to \infty} \frac{n}{4^{n}^+1\\}

⇒  converges

converges + converges

= converges

~Hope this helps! Once again, sorry if my explanation is a bit confusing~

8 0
3 years ago
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