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Zielflug [23.3K]
3 years ago
14

Convert 2.25 into decimal form

Mathematics
2 answers:
Marta_Voda [28]3 years ago
7 0
Is 2.25 is already in decimal form, right? If you want to change 2.25 percent in decimal form, the answer will be 0.0225 because you just need to divide 2.25 with 100 to get the answer which is 0.0225. Hope it help!
Anna007 [38]3 years ago
6 0
It is 0.0225 because p<span>ercentage means 'out of 100 100 '. Convert the </span>decimal<span> number to a fraction by shifting the </span>decimal<span> point in both the numerator and denominator. Since there are 2 2 numbers to the right of the </span>decimal<span> point, move the </span>decimal<span> point 2 2 places to the right.</span>
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Four brothers and their sister have the average age 7. Four brothers have the average age 6. How old is the sister?
AnnyKZ [126]

Answer:

11 years old

Step-by-step explanation:

If four brothers have the average age 6, then the sum of their ages is

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Let x years be the age of sister. If four brothers and their sister have the average age 7, then

\dfrac{24+x}{5}=7.

Multiply this equation by 5:

24+x=35\Rightarrow x=35-24=11.

The sister is 11 years old.

4 0
3 years ago
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Nezavi [6.7K]

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3 years ago
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Sergeu [11.5K]

Answer:

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8 0
3 years ago
I don’t know if I am supposed to substitute the x variable in f(x) or leave the f(x) the same.
kipiarov [429]

Answer:

I believe the answer would be B.

Step-by-step explanation:

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Step-by-step explanation:

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