My test scores have been 85,80,95 and 65. What must I earn on my next test to have a mean score of at least 80. Please show work
1 answer:
You might be interested in
Answer:
The sector given in the figure is a semi-circle because the degree measure of the chord is 180 degrees.
Area of semicircle = 0.5π = 0.5π×4.5 = 6.75 sq. inches
