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Mademuasel [1]
2 years ago
5

If a number is an element of the set of real

Mathematics
1 answer:
kvasek [131]2 years ago
3 0

Answer:

Option (A)

Step-by-step explanation:

A set of real numbers is a combination of both rational and irrational numbers.

But the elements in the sets of rational and irrational numbers will be different.

In short, rational and irrational number sets are the two subsets of real numbers.

Hence, the number is an element of either the set of rational numbers or the set of irrational numbers.

Option (A) is the correct option.

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it's like that because the amount is 45/100 so decimals are written like that

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Mark tossed six balls while playing a number game. Three ball landed in one section, and three balls landed in another section.
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Mark's score could be 120,000. Each ball would be worth 20,000 points and since 2,000 times 6 is 120,000, that's how many points he could have. 
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Ramon drew boxplots to summarize the number of pages in each chapter of two books. The value of the interquartile ranges of thes
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3 years ago
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5 0
3 years ago
A ship travels 62.5 km in 1st hour of sailing. Starting from 2nd hour, the distance travelled per hour is x% of that in the prec
Bas_tet [7]
Speed of the ship in the second hour =  (62.5 * x ) / 100  kph.

In third hour it is  [(62 * x) / 100 ] * x/100]

is 4th hour its is the above * x/100 again  so we can now form the equation

62.5x      x          x
------- *   ----  *  ----    =  32
100      100      100

62,5 x^3 = 32,000,000
x^3 =  512,000
x = 80 <-----  Answer  to (a)

(b)  Ship travels 62.5 in first hour then  this falls by a common ratio of 0.8 each hour so we have a geometric sequence 

Dist travelled in 6 hours  =  a1  1 - r^n
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                                               1 - r

Answer is    230.56 km 




5 0
3 years ago
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