Regents High School Examination - Algebra 2/trigonometry Answers - The University Of The State Of New York, 2011 Page 7

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Use this space for
computations.
15 The value of tan 126°43' to the nearest ten-thousandth is
(1) -1.3407
(3) -1.3548
@})-1.3408
(4) -1.3549
C;
(fTfflj
16 The expression
4ill
is equivalent to
5 -
13
J, - /)
((l)\
4ill
/(3'
5
+
ill
)ft{i3
\.:/ 5ill - 13
~
3
(2) 4(5 - ill)
(4) 4(5
+
ill)
0((
J
38
38
'-f
m
't1i3
~ -1f)Ff ~ f;.fil
-13
17 Akeem invests $25,000 in an account that pays 4.75% annual interest
compounded continuously. Using the formula A
=
Pert, where
A
=
the amount in the account after
t
years, P
=
principal invested,
and r
=
the annual interest rate, how many years, to the nearest tenth,
0
y. 7
5"1::.
will it take for Akeem's investment to triple?
7), ()
0 D
~
J.)'
ooD
1L'
(1) 10.0
@
23.1
I
..
~(,l75"
t
(2) 14.6
(4) 24.0
3
~
IL
1.
/
,bY7)&'
/
n
/ 1
J?e
5
Ih. 3
l
;uY7)t
,Inc
18 The value of the expression
L
(-r2
+
r) is
-
@
-38
r=3
(3) 26
.oY75
(2) -12
.
(4) 62
r
of'
y-
1..1'
- Cf
r)
-,
3
-,/~rLf
/I.l.
tf
5
/1-)
1)
/)1)
~3g
~
Algebra 2rrrigonometry - June '11
[7]
[OVER]

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