B) Water flows at a steady rate from a tap.
1 answer:
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Answer:
The length of the altitude drawn to the base of the triangle is 8.49
Step-by-step explanation:
In this question, we are asked to calculate the length of the altitude to the base of an isosceles triangle given the length of one of the legs and the base angle. To answer this sufficiently, we consider the diagram of the triangle in the attached file.
From the triangle , we can see that we want to calculate the length h.
Let’s look at a cut-out triangle from the big triangle. This is the triangle AOC
WE can calculate the length of h here, using trigonometric identity. What we have is the hypotenuse and the opposite, this means that the trigonometric identity to use is the sine
Sine 45 = h/12
h = 12 * sine 45
Sine 45 = 0.7071
h = 12 * 0.7071
h = 8.49
Answer:
Option A. is correct.
Step-by-step explanation:
Given: A cell phone company recently noticed a sales decrease in the month of July compared to June such that
represent June's sales.
Also, represents July's sales.
To find: equation that can be used to determine the sales in July
Solution:
June's sales
Decrease in sales
So,
July's sales
Also,
July's sales
Therefore,
So, option A. is correct.