Option D is the correct answer
Answer:
8.6
Step-by-step explanation:
The square root of 74 is 8.602325267. If you round this number to the nearest tenth you get 8.6
Answer:
Step-by-step explanation:
If there needs to be 4 teachers per 21 students, you would divide the total amount of students by 21 and multiply that answer by 4. SO...:
84 ÷ 21 = 4 groups of 21 students.
4 groups × 4 teachers = 16
*** Answer***
16 TEACHERS
Answer:
both answers are pictures below
Step-by-step explanation:
Answer:
case 1) 
case 2) 
Step-by-step explanation:
case 1) we know that
Using proportion

solve for z

case 2) we know that
Using proportion

solve for z
