Answer:
57
Step-by-step explanation:
Average = total points / total students
95 = (19×97 + x) / 20
1900 = 1843 + x
x = 57
The lowest the last test score can be for the whole class to average a 95 is 57.
Answer:
x = 50°
Step-by-step explanation:
Recall that for a triangle, the exterior angle is equal to the sum of its two remove interior angles (also see attached for reference).
in our case, the exterior angle is given as 105° and its two remote interior angles are x and 55°
therefore
105° = 55° + x
x = 105° - 55°
x = 50°
Answer:
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Step-by-step explanation:
can you tell me a subscript n =sin to the power theta +cosec to the power n theta...and a subscript 1 =2...then prove that a subscript n =2...
First we want to know the surface of the circle, which is

with r representing the radius. In this case


To find the volume of the cylinder we have to multiply this outcome with the height.



Hence, the volume of the cylinder is about 5024 cubic cm.
Answer:
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Step-by-step explanation:
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