60% of 20 is (0.6 x 20) = 12 passes
There are a further 30 quizzes remaining (50 total during the year minus 20 already written)
80% of 30 is (0.8 x 30) = 24 passes
The student has passed (12 + 24) = 36 quizzes out of 50 total, giving an overall pass percentage of ((36 / 50) x 100)) = 72%.
Answer:
27
Step-by-step explanation:
The area of the shaded region is 
<h2>Area of composite objects</h2>
The area of the shaded region is expressed according to the formula:
Get the area of the square As
As = a²

Take the difference in the areas
Area of the shaded part = 
Area of the shaded part = 
Hence the area of the shaded region is 
Learn more on area of composite objects here: brainly.com/question/22716761
Answer:
. The actual mass of the object was 9.98 X 10-3 g.
Step-by-step explanation:
yeah
1 ton equals 2000 pounds
so 3 tons equals 6000 pounds
Answer: 3 tons