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vodka [1.7K]
2 years ago
14

A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how many decibels would the loud

ness be reduced? Use the formula L=10log I/I(o). Round to the nearest hundredth.
A) 3.57 decibels
B) 1.58 decibels
C) 2.52 decibels
D) 1.93 decibels
Mathematics
2 answers:
salantis [7]2 years ago
7 0
C.2.52 is your answer
Naddik [55]2 years ago
4 0

1) log_8a-log_82

2) 2.089

3) 3.57 decibels

4) 0.82

5) 41.67

6) In x^2/c^5

7) 21,405 mowers

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Hello answer and I will give you brainliest:No cheating!
stich3 [128]
The answer is 58,875

6 0
2 years ago
At the start of the year a summer holiday to Spain cost £650. It increased by 11% in
olga nikolaevna [1]

Answer:

Final cost = £779

Step-by-step explanation:

It is given that:

Cost of summer holiday =  £650

Amount increased by 11%

Increased cost = 11% of 650

Increased cost = \frac{11}{100}*650

Increased cost = 0.11 * 650 =  £71.50

Amount after increment = 650 + 71.50 = £721.50

Further increase = 8%

Amount = 0.08 * 721.50 = £57.72

Final cost = 721.50 + 57.72 =  £779.22

Thus,

Final cost = £779

5 0
3 years ago
What is 11.625 rounded to the nearest whole number
Andru [333]

Answer:

your answer is 12

Step-by-step explanation:

have a great day! :)

8 0
2 years ago
The table shows data from a survey about the number of times families eat at restaurants during a week. The families are either
kifflom [539]

Hey there,

To solve this problem, let us first define what is mean and median. Mean is the average of all the numbers in the data set while the median is the number in the middle of the data set in ascending order. If we create a box plot for the data of Rome and New York, we can see that there is an outlier in the data for New York. Since New York has an outlier, so the mean is not a good representation on the central tendency of the data. The mean is skewed (distorted) by the outlier. So in this case it is better to use the median. While the Rome data is nice and symmetrical, it does not seem to have an outlier,  so we can use the mean for this data set.

Therefore the answer is:

The Rome data center is best described by the mean. The New York data center is best described by the median

Hoped I Helped

6 0
3 years ago
Read 2 more answers
Does anyone know? <br> Can anyone help me throughout these type of questions?
ozzi
Your answer would be D you would add up all the days together then just put the clear days together to get 17/30 that then reduces to .57
4 0
3 years ago
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