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Ksivusya [100]
2 years ago
14

8. The loudness of a sound depends on_____. A. The width of the wave B. The brightness of the wave C. The length of a sound wave

D. The wave height or amplitude​
Mathematics
1 answer:
cupoosta [38]2 years ago
5 0

Answer:

D

Step-by-step explanation:

loudness depends on the amplitude or height of the sound waves

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The population of the country was 314 million. What is the empirical probability of death by stroke during a single​ year
Marat540 [252]

Answer:

Empirical probability of deaths cause by stroke=0.004086

Empirical probability of deaths cause by kidney disease =0.001436

Death rate due to stroke is 4 times the death rate due to kidney disease.

Step-by-step explanation:

Consider the table attached in figure

No. of deaths cause by stroke = 128300

No. of deaths caused due t kidney disease = 45100

Total population = 314 x 10⁵

Formula to calculate empirical probability:

P(A)=\frac{No.\, of\,\, times\,\, event\,\, occurs}{Total\,\, population}\\

Empirical probability of deaths cause by stroke:

P(A)=\frac{128300}{314\times 10^5}\\\\P(A)=0.004086

Percentage of deaths cause by stroke =0.4%

Empirical probability of deaths cause by kidney disease:

P(B)=\frac{45100}{314\times 10^5}\\\\P(B)=0.001436

Percentage of deaths cause by kidney disease =0.1%

Ratio between deaths caused to stoke to deaths caused by kidney disease is 4:1 which means death rate due to stroke is 4 times the death rate due to kidney disease.

3 0
3 years ago
Celina and Richard spend a certain amount of money from their money box each month to buy plants.
Alika [10]

Answer:

Function 2 shows a greater rate of change, because Richard spends $6 each month and Celina spends $2 each month.

4 0
3 years ago
It costs $120 for 20 students to visit an aquarium. How much does it cost for 152 students? Set up a proportion to solve.​
nordsb [41]

Answer:

152 times 6=912

Step-by-step explanation:

$120 for every 20 students

it cost $6 for every 1 student

$6 times 152=912

5 0
3 years ago
Hey please answer the questions on attachment, thank you very much- i need it in 10 minutes and am completely clueless.
nevsk [136]

Answer:

5x+17

Step-by-step explanation:

2(x+7) + 3(x+1)

  1. Distribute(Expand) -> 2x+14 + 3x+3
  2. Simplify by combining like terms -> 5x+17
7 0
3 years ago
Read 2 more answers
3
Zanzabum

A pergunta não está bem formatada. No entanto, pelo que parece óbvio

Responda:

3 horas

Explicação passo a passo:

Fração de hora gasta por sessão = 3/4 horas por sessão

Se o exercício for feito apenas aos domingos

Número de domingos por mês = 4

Portanto, número de sessões = 4

Fração de horas por sessão * Número de sessões

3/4 * 4 = 3 horas

Portanto, 3 horas são dedicadas ao exercício por mês

6 0
2 years ago
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