Determine if 4,1 is a solution for the equation for the system of equations
1 answer:
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The first thing we must do for this case is to define a variable.
We have then:
t: time a customer can stay in a restaurant.
We write now the inequality.
We have then:
Answer:
an inequality to show how long a customer can stay at the restaurant is:
We have then:
t: time a customer can stay in a restaurant.
We write now the inequality.
We have then:
Answer:
an inequality to show how long a customer can stay at the restaurant is:
Hints on solving trigonometry problems:
If no diagram is given, draw one yourself.
Mark the right angles in the diagram.
Show the sizes of the other angles and the lengths of any lines that are known
Mark the angles or sides you have to calculate.
Consider whether you need to create right triangles by drawing extra lines. For example, divide an isosceles triangle into two congruent right triangles.
Decide whether you will need Pythagorean theorem, sine, cosine or tangent.
Check that your answer is reasonable. The hypotenuse is the longest side in a right triangle.
How to use the tangent ratio to find missing sides or angles?
Example:
