4 will blink 15 times and 6 will blink 10. together they will blink 25 times
The value of
is 
<h3>
Sine ratio </h3>
The sine ratio is given as:

<h3>
Trigonometry</h3>
In trigonometry, we have the following ratio

Substitute
in the above equation

Collect like terms

Evaluate

Take square roots

Rationalize

From the question,
is in the second quadrant, and cosine is negative.
So, we have:

In trigonometry, we have:

So, we have:


Hence, the value of
is 
Read more about trigonometry ratios at:
brainly.com/question/10417664
To help us to graph the 3x + 4y = 12, we can isolate y

Therefore it's a line with equation

We have y = 3 when x = 0, and x = 4 when y = 0, therefore
Step-by-step explanation:
bag pula ca nu stiuu invatati ba carte ca va trebuie nu mai cautati mura in gura