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3 years ago

What is 4/1 as a simplified fraction?

Mathematics

1 answer:

Jet001 [13]3 years ago

4 0

Answer:

Why?

Any number divided by one is itself. Think of it this way. If I had four cookies and was sharing it amongst one person (hopefully myself) I'd get all the cookies!

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Two number cubes are rolled for two separate events:

Paladinen [302]

Answer:

You are right...........

5 0

2 years ago

Iodine-125 has a half-life of about 60 days.

Murljashka [212]

62.5 mg sample will remain after 240 days

Step-by-step explanation:

Given

Half-life = T = 60 days

The formula for calculating the quantity after n half lives is given by:

$N = N_0(\frac{1}{2})^n$

Here

N is the final amount

N_0 is the initial amount

n is the number of half lives passed

The number of half lives are calculated by dividing the time for which the remaining quantity has to be found by half life

The quantity has to be calculated for 240 days so,

$n = \frac{240}{60}\\n = 4$

Given

$N_0 = 1000\ mg$

Putting the values in the formula

$N = 1000 (\frac{1}{2})^4\\=1000 * \frac{1}{16}\\=\frac{1000}{16}\\=62.5\ mg$

Hence,

62.5 mg sample will remain after 240 days

Keywords: Half-life, sample

Learn more about half-life at:

#LearnwithBrainly

3 0

3 years ago

What is the answer someone help meeee

Varvara68 [4.7K]

Answer:

1) 8n-3

2) 3+(8-n)

3) 3(n-8)

4) 3(n+8)

6 0

3 years ago

Did I do this right ? I feel like I didn't do it right, if I didn't can you help me figure it out please :((?

IrinaK [193]

16,000,000/2.25 =
7,111,111.11 milligrams of ozone PER DAY
How much per week?
7,111,111.11 * 7 =
49,777,777.78
Rounded
49,777,778 milligrams of ozone per week

3 0

3 years ago

The radius of a semicircle is 4 miles. What is the semicircle's area?

adell [148]

Answer:

8 $\pi$ miles or 25.133 miles