For what value of x is sin x = cos 19º, where 0°< x < 90°
1 answer:
Check the picture below, that one in the picture is just an example of the correspondence of sine and cosine in a right-triangle, in this case, we're in the 0° < x < 90°, so in the I Quadrant, and thus we have a right-triangle.
to make it short, sin(90° - 19°) = cos(19°), or that is sin(71°), thus x = 71.
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Answer:
Lexi need to spend <u>6 days</u> to fill the jar with 73 liters of jam.
Step-by-step explanation:
Given:
amount of jam already had in jar =19 liters
amount of jam added each day in jar = 9 liters.
Total number of jam to be needed in jar = 73 liters.
We need to find the number of days required to jar 73 liters.
Solution:
To find the number of days required to jar 73 liters will be equal to amount of jam already had in jar plus amount of jam added each day in jar multiplied by number of days.
framing in equation form we get;
Subtracting both side by 19 we get;
Dividing both side by 9 we get;
Hence Lexi need to spend <u>6 days</u> to fill the jar with 73 liters of jam.