Answer:
Step-by-step explanation:
Using provided formula and filling in the variables:
z = 
Filling in in calculator:
z ≈ -1.34
Answer:
21
Step-by-step explanation:
20 x 10 = 200 so 20 students sleep for 9 hours
that leaves 10
since 10 is half of 20, half of 2 is 1 so that last 10 = 1 student,
making 21 students
9514 1404 393
Answer:
255
Step-by-step explanation:
If the sum of digits is 12, the number is divisible by 3. If the number ends in 0 or 5, it is divisible by 5. So, we're looking for ...
2x0 . . . where x is a digit and 2+x+0 = 12 . . . . . . not possible
2x5 . . . where x is a digit and 2+x+5 = 12 . . . . true for x=5
The number is 255.
Answer:
The answer is 0/2
Step-by-step explanation:
The second y - the first y / the second x - the first x.
Step 1: 1 - 1 / 5 - 3
Step 2: 0 / 5 - 3
Step 3: 0 / 2
the answer is D. 35 cm not everyone has the same answer !