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2 years ago

True or false: 1-51 = -5?

Mathematics

2 answers:

Marrrta [24]2 years ago

6 0

Answer:

False

Step-by-step explanation:

Absolute value gives you a positive answer

Murljashka [212]2 years ago

5 0

Answer:

False

Step-by-step explanation:

The left side

− 50 does not equal to the right side − 5 , which means that the given statement is false.

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Use the formula L= 10 log 10 R, where Is the loudness of a sound and R is the sound's relative intensity. to find out how much l

WINSTONCH [101]

Answer:

$X=24.1decibels$

Step-by-step explanation:

From the question we are told that:

Loudness function $L= 10 log_{10} R$

Sound of a person $S_p=80\ decibels\ or 10^8$

Number of persons talking $n=20 people$

Generally the Relative intensity for 20 people is mathematically given by

Relative intensity for $R_{20}=$ $20*10^8$

Relative intensity for $R_{20}=$ $20^8$

Generally the loudness for 20 people is mathematically given by

$L_{20}= 10 log_{10} R$

$L_{20}= 10 log_{10} 20^8$

$L_{20}= 10 (8 log_{10} 20)$

$L_{20}= 104.1 decibels$

Therefore increase in loudness X is given as

$X=104.1-80=-52.90$

$X=24.1decibels$

5 0

2 years ago

Find the value of f(2)

sergiy2304 [10]

Answer:

We have, y=f(x)

From graph, when x = 2, y =f(x)=-5. So, functional value at x=2, f(2) = -5

3 0

3 years ago

Can 10 people be divided into two groups with a ratio of 1 : 2? Explain.

den301095 [7]

Let the groups be x and 2x

x+2x=10
3x=10
x=10/3

Its decimal not natual so can't be divided

3 0

2 years ago

Life gym charges a one-time fee to join of $40 and $20 each month. Write an equation that models the total cost, y, for x months

brilliants [131]

Answer:

40+20x=y

Step-by-step explanation:

8 0

3 years ago

Emma used 1/7 of a liter of milk to make 1/3 of a jug of tea. How much milk, in liters, is required to fill the jug?

fiasKO [112]

Answer:

Step-by-step explanation:

Well....if 1/7 liters of milk makes 1/6 of a jug

Then six times this must be a full jug....so

6*(1/7) =

6/7 liters of milk required

i hope this helps you happy holidays let me know if you need more information

6 0

3 years ago

Read 2 more answers