A bag contains blue marbles and red marbles, 66 in total. The number of blue marbles is 9 less than 4 times the number of red ma
rbles. How many blue marbles are there?
2 answers:
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<h3>Solving for the measurements of Complementary Angles</h3><h3>Answer:</h3>
and
Recall that Angles that are complementary to each other add up to .
Let be the measure of the complementary angle.
If an angle is more than its complementary angle, the measure of that angle is
. The sum of both angles are expressed
but since the have to add to
as they are complementary,
.
Solving for :
Since the other angle measures , we can plug in the value of
to find the measure of the angle.
Evaluating :
The measure of the angles are and