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3 years ago

Which of the following shows the union of the sets? {1, 4, 8, 12} {2, 4, 6, 8}

Mathematics

2 answers:

Sonbull [250]3 years ago

8 0

Answer:

{1, 2, 4, 6, 8, 12}

Step-by-step explanation:

Union of the sets is the combination of the elements in the two sets.

{1, 4, 8, 12} ∪ {2, 4, 6, 8}

{1, 2, 4, 6, 8, 12}

anygoal [31]3 years ago

3 0

Answer:

{1,2,4,6,8,12}

Step-by-step explanation:

The union means the joining of the sets

{1, 4, 8, 12} U{2, 4, 6, 8}

= {1,2,4,6,8,12}

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One of the loudest sounds in recent history was that made by the explosion of Krakatoa on August 26-27, 1883. According to barom

liraira [26]

Answer:

150.51 dB

Step-by-step explanation:

Data provided in the question:

decibel level of sound at 161 km distance = 180 dB

d₁ = 161 km

d₂ = 4800 km

I₁ = 180 db

The formula for intensity of sound is given as:

I = $10\log(\frac{I_2}{I_1})$

and the relation between intensity and distance is given as:

I ∝ $\frac{1}{d^2}$

Id² = constant

thus,

I₁d₁² = I₂d₂²

$\frac{I_2}{I_1}=\frac{d_1}{d_2}$

therefore,

I = $10\log(\frac{d_1}{d_2})^2$

I = $10\times2\times\log(\frac{161}{4,800})$

I = 20 × (-1.474)

I = -29.49

Therefore,

the decibel level on Rodriguez Island, 4,800 km away

= 180 - 29.49

= 150.51 dB

8 0

3 years ago

On 12/31/18, Hite Industries reported retained earnings of $475,000 on its balance sheet, and it reported that it had $135,000 o

olganol [36]

Answer:

Dividends = $105000

So option (c) will be correct answer

Step-by-step explanation:

We have given that Retained earning on 12/31/18 is $475000

And retained earning on 12/31/18 is $445000

Net income = $135000

Change in retained income = $475000-$445000 = $30000

We have to find dividends

We know that dividends is given by

Dividends = net income - change in retained income = $135000-$30000 = $105000

So option (c) will be correct answer

7 0

3 years ago

Which answer describes the calculations that could be used to solve this problem?

faltersainse [42]

D. Since we know that 1 ticket = $8 we would multiply to figure out how much 7 tickets were. (7x$8). And to figure out his change you would subtract the ticket amount from $100 :) Hope this helps

4 0

3 years ago

Read 2 more answers

The rectangle below is dilated by a scale factor of 1/3. Find the perimeter and area of the rectangle below.

Dmitrij [34]

For perimeter you add up the two sides so 15 + 21 equals 36

4 0

2 years ago

What is 264 nearest hundred

Anna35 [415]

Answer:

300

Step-by-step explanation:

50 and above is rounded up

49 and below is rounded down

7 0

3 years ago