The mean is the average so 180/50 = 3.6 therefor the mean of each donation from each sponsor is £3.60
Answer:
Green Material: <u>129.6</u> in³
Brown Material: <u>194.4</u> in³
Step-by-step explanation:
The volume of the bin is 4×18×9 in³ or 648 in³
20% of 648 is 129.6 in³ (brown material)
30% of 648 is 194.4 in³ (green material)
Answer:
Two angles are called complementary if their measures add to 90 degrees, and called supplementary if their measures add to 180 degrees.
Step-by-step explanation: