Solve for X. Leave your answer in simplest radical form if necessary.
2 answers:
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Answer:
The number of units decreased by .
Step-by-step explanation:
Initially, 470 units were sold. The following 429 units were sold, meaning this was less units than last year. Thus, the number of units sold decreased and the percent of decrease is:
Answer:
The width and height of the old 35-inch television are 28 inches and 21 inches, respectively.
Step-by-step explanation:
35-inch television is a television whose screen has an hypotenuse () of 35 inches and the aspect ratio of 4 : 3 means that 4 inches width per each 3 inches height. And by Pythagorean Theorem:
Where:
- Hypotenuse rate, dimensionless.
- Width rate, dimensionless.
- Height rate, dimensionless.
If and
, the hypotenuse rate is:
The width and height of the old television can be found with the help of trigonometric functions:
Width of 35-inch old television ()
Height of 35-inch old television ()
Where is the direction of the hypotenuse with respect to width, measured in sexagesimal degrees.
If ,
and
and
, the width and height of the old 35-inch television:
The width and height of the old 35-inch television are 28 inches and 21 inches, respectively.