Given:
A figure of a right angle triangle.
To find:
The value of Tan R.
Solution:
Trigonometric Ratio: In a right angle triangle,
Using the above trigonometric ratio in the given triangle, we get
Therefore, the correct option is C.
Brayden is making soup. To make the broth, he combines 2/3 cup of vegetable stock and 2/5 cup of chicken stock. Boiling the brot
1 answer:
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Answer:
Barbara's speed in clear weather is and in the thunderstorm is
.
Step-by-step explanation:
Let be the speed and
be the time Barbara drives in clear weather, and let
be the speed and
be the time she drives in the thunderstorm.
Barbara drives 22 mph lower in the thunderstorm than in the clear weather; therefore,
(1).
Also,
(2).
(3). ,
and
(4).
From equations (2) and (3) we get:
putting these in equation (4) we get:
and substituting for from equation (1) we get:
This equation can be rewritten as
which has solutions
We take the first solution because it gives a positive value for
.
Thus, Barbara's speed in clear weather is and in the thunderstorm is
.
In the attached diagram you can see the graph of the function
As you can see graph is:
1. increasing from x = −2 to x = −1
2. decreasing from x = 0 to x = 1
3. decreasing and then increasing from x=1 to x=2
4. increasing from x=2 to x=4.
Answer: correct choice is B.
