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lana66690 [7]
2 years ago
12

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 forR_{20}=20*10^8

Relative intensity forR_{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]

No

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
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