Equations:
m = k + 5
k = s + 2
m + k + s = 30
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Substitute for "m" and for "s"::
k+5 + k + k-2 = 30
3k +3 = 30
3k = 27
Kirsty has 9 marbles
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Mina has 9+5 = 14 marbles
Seb has 9-2 = 7 marbles
we are given the expression csc (2 pi / 3 ) and is asked to evaluate the expression. According to the trigonometric identities, the inverse of cosecant (CSC) is sine (sin) function. hence using the calculator in radians mode, sin 2pi/3 is equal to 2/sqrt 3. Taking the reciprocal of the answer, the final answer is 2 sqrt3 over 3.
Answer:
Step-by-step explanation:
Hello,
Dividing by 1/2 is like multiplying par 2, right ?
Dividing by 5/10 is like multiplying par 10/5, right ?
and then
as 10/10=1
Thanks
(2x +3)(2x-3)= 0
x= -3/2 x = 3/2
