Answer:
6,226 tiles of 9 in are needed to cover an area of 400 square feet
Step-by-step explanation:
Let
A -----> an area in square feet
t(A) ---> the total number of 9 in. tiles needed
we have
For A=400 ft^2
substitute in the equation and solve for t
That means -----> 6,226 tiles of 9 in are needed to cover an area of 400 square feet
Answer:
Number of students who scored atleast 1700 but less Than 2100 = 17
Step-by-step explanation:
Given the data :
1,450 1,620 1,800 1,740 1,650 1,800 2,010 1,780 1,840 1,490 1,620 1,480 2,390 1,640 1,830 1,710 1,900 1,910 1,950 1,820 1,590 2,350 2,260 1,870 1,530 1,950 2,000 1,830 1,980 2,100
Class interval __ Frequency
1400 - 1599 ____ 5
1600 - 1799 ____ 7
1800 - 1999 ____12
2000 - 2199 ___ 3
2200 - 2399 ___ 3
Number of students who scored atleast 1700 but less Than 2100 = 17
