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Mathematics
Mathematics
Solution for Problem No. 56
a
=
100
50
2
From cross multiplication, we can find the extreme-mean;
2
a
=
50
*
100
2
a
=
5000
a
=
5000
2
a
=
2500
Thus, the proportion of bear is 2500.
Solution for Problem No. 10
y
-
1
=
-
3
x
+
3
4
Multiply each side by x + 3, in order to find the value of y for the given equation and to bring extraneous variable that is x on the right hand side;
(x + 3)
.
y
-
1
=
(x + 3)
.
-
3
x
+
3
4
From simplifying the above equation, we find;
y
-
1
=
-
3
x
-
9
4
4
Now, add 1 on each side of the equation, we find;
y
-
1
+
1
=
-
3
x
-
9
+
1
4
4
y
=
-
3
x
-
9
+
1
4
4
y
=
-
3
x
-
9
+
4
4
y
=
-
3
x
-
5
4
References
Brandenberger, B. M. (2002). Mathematics. New York: Macmillan Reference USA.
Morgan, C. (2004) Mathematics: Teaching School Subjects. ...