Answer:
250 times
Step-by-step explanation:
5/12 of the time, which is 250 because 5 out of the 12 possibilities are what you want.
<u>5</u> x 600 = 250
12
Let x be the original number of chocolates:-
x - (2/3)x - (1/5)(x - (2/3)x) = 12
x - (2/3)x - (1/5)x + (2/15 )x = 12
15x - 10x - 3x + 2x = 180
4x = 180
x = 45
original amount of chocolates = 45
The sum of first 20 terms of Arithmetic Series is 650 if the first term is 4 and the common difference is 3.
Step-by-step explanation:
First Term (a) = 4
Common difference (d) = 3
The number of term (n) = 20
The sum of an Arithmetic series of (n) number of terms, with first term (a) and the common difference (d) is equal to
Sum = (n/2) * ( 2 * a + (n -1) * d)
So putting the values of a,d, n
Sum = ( 20/2) * ( 2 * 4 + (20 -1) *3 )
Sum = (10) * ( 8 + 19 * 3)
Sum = 10 * ( 8 + 57)
Sum = 10 * 65 = 650
Hence the sum of first 20 terms of Arithmetic Series is 650 if the first term is 4 and the common difference is 3.
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Answer:
A. Symmetric Property
Step-by-step explanation:
The Symmetric Propertry states that if x = y, then y = x.
Since XY = WX, and WX = XY, its the Symmetric Property.
