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MA 11100
Regular Exam 1A
Fall 2008
1
1)
Translate the following using mathematical symbols.
Let
x
and
y
represent the
numbers.
Four less than half the sum of two numbers
( 29
1
2
1
2
1
2
1
2
1
2
A
(
) 4
B
4
C
4
D
4
(
)
E
4
x
y
x
y
xy
x
y
x
y
+

+



+

+
2)
Evaluate the following, if
3 and
2
m
n
= 
= 
.
2
2
[2(
)]
m
m
n


A
13
B
109
C
91
D
5
E
10




3)
Which statement is
false
?
A
4(
6)
4
24
B
5 (
3)
8
C
2(
3) 4(2
1)
2 10
D
3
9
3 4
2 10
1
E
4
3 2(5 3 )
7
x
x
y
y
a
a
a
a
b
a b
b
a
n
n
n
n

+
= 



= 



+
= 
+
 
+ +
=
 
 +

+
= +
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Regular Exam 1A
Fall 2008
2
4)
Solve this equation.
3[2 5(
1)]
3 4(
2)
x
x


= 
+
8
A
11
26
B
11
23
C
14
14
D
5
E
None of the Above
x
x
x
x
=
=
=
=
5)
Solve the following formula for
h.
2(
)
L
h
g
+
=
A
2
B
2
2
C
2
D
2
E
2
g
L
h
h
g
L
g
L
h
h
g
L
g
h
L

=
=


=
=

=

6)
The formula used to find the amount in a savings account at the end
t
years for an
investment of
P
dollars earning a simple interest rate of
r
is
A = P + Prt
.
Find the
simple interest rate for $200 invested for 2 years, if the amount is $218.
Round to
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 Fall '08
 Johnnyjames

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