Tomas makes balloon sculptures at a circus. In 180 minuets, he uses 252 balloons to make 36 identical balloon sculptures? a. How
many minutes does it take to make one balloon sculpture? How many balloons are used in one sculpture?
2 answers:
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Answer:
262 and 263 are consecutive natural numbers whose sum is 525.
Step-by-step explanation:
Natural number are a subset of real numbers consisting in positive integers (i.e. 1, 2, 3, 525) and two natural numbers are consecutive when distance between each other is equal to 1. (,
) We can interpret the statement mathematically by means of the following expression:
Where ,
,
.
This system is reduced to a single equation and solved afterwards:
Now we evaluate and
to obtain the natural numbers:
262 and 263 are consecutive natural numbers whose sum is 525.
The formula for E(x) would be SUM[ X(n)P(n)] from n = 1 to n = infinity until we get the prime number
In the given problem, a 10-sided die with 1-10 numbers is rolled until we get a prime number
Prime numbers between 1-10 = 2,3,5,7 (4 prime numbers)
Non - prime numbers = 1,4,6,8,9,10( 6 non-prime number)
Let X be the number of times the die is rolled
The probability of getting a prime =
Now, the value of
E(X)=∑x.P(x) [ x-> {1, infinity}]
= P(1)X(1) +P(2)X(2)+P(3)X(3)+P(4)X(4)........+ P(n)X(n)
= 1. + 2.
.
+ 3.
.
+ 4.
.
.
.
.......
Hence, this is the value of E(x)
To learn more about Prime number, here
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