This is for real questions
(100-15)% = 85% = 136 students
136 / (85%) = 130*(100/85) = 160 students
we know that
In an Arithmetic Sequence the difference between one term and the next is a constant
where
a1 is the first term
d is the common difference between terms
n is the number of months (in this problem)
case a) Mandy
------> equation
in this equation the first month is April
case b) Bill
-------> equation
In this equation the first month is May
With the equation and the equation
calculate the attached table
therefore
the answer is
December
Answer:
see explanation
Step-by-step explanation:
the error in the question is that
sec²x = ≠ , and
csc²x = ≠
have been used incorrectly in simplifying the expression
then
=
=
= ×
=
= tan²x