Answer:
area of right triangle = ab/2
base = 18yards
height = 2 1/3 = 7/3yards
area = (18 * 7/3) /2 = 42 /2 = 21
hope this answer helps you.....
The volume of a cylinder is 169pi in.cubed and the height of the cylinder is 1 in. What is the radius of the cylinder? The rad
1 answer:
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Answer:
59 bacteria would there be after 4 hours.
Step-by-step explanation:
Given:
Bacteria in the petri dish = 40
Time taken for the bacteria to be doubled =17 hours
To Find:
To Find the number bacteria left after 4 hours = ?
Solution:
By using the proportionality,
After 17 hours the number of bacteria will be 80.
Let the number of bacteria after 4 hours be x
then
Now by cross multiplication
x= 18. 82
So the number of bacteria after 4 hours will be
= 40 + 18.82
= 58.82
=59