Answer:
3/4x-6=42
x=64
Step-by-step explanation:
Let the number of students be x hence 3/4 of this number will be 3/4x
Since the number was 42 if they were 3/4x less six, it means minus six hence
3/4x-6=42
Therefore, the equation will be
3/4x-6=42
Solving the equation
3/4 x=42+6=48
3/4x=48
X=62
The correct answer is the number of bacteria increases by a factor of 5 each day. I've tooken a quiz on it
Let the height of the shadow be x.
Ratio of length of shadow to height: 48/x = 9.6/40
x = (48 x 40)/9.6 = 200 feet.
Answer:
6 cms.
Step-by-step explanation:
Volume of the pyramid = 1/3 * area of base * height
= 1/3 * 3*3 * h = 18
1/3 * 9 * h = 18
3h = 18
h = 6 cm