Answer:
9. not all of them are, so false
10. true
Step-by-step explanation:
0.04035. that's it I think
Here’s what you can do to make this very simple. Consider that the “missing” space between the rectangles isn’t there. Then, find the area:
10 x 9 = 90 mm
Now, find the area of the “missing” part.
5 x 2 = 10 mm
Finally, you deduct the missing part from the complete rectangle!
90 - 10 = 80 mm
The area of this whole thing is 80 mm!
Answer: 23/40 - (11)/30
Step-by-step explanation:
I think 15 of the students wear glasses.
Because 25% + 50% = 75%
And 75% of the students is 15 students.
