For this case we have an equation of the form:
y = A * (b) ^ t
Where,
A: initial amount
b: growth rate
t: time
We then have the following equation:
y = 57 (1.31) ^ t
The initial number of bacteria is 57 and the growth rate is 31% per hour.
Answer:
B. The initial number of bacteria is 57 and the growth rate is 31% per hour

5 0

4 years ago

Read 2 more answers

What is the value of x?

sladkih [1.3K]

If the angles are 90,45,45 so the sides except hypotenuse are congruent
and the hypotenuse is equal to :
${6 \sqrt{2} }^{2} + {6 \sqrt{2} }^{2} = {x}^{2} \\ {8.5}^{2} + {8.5}^{2} = {x}^{2} \\ 72.25 + 72.25 = {x}^{2} \\$
${x}^{2} = 144.5 \\ x = 12$

the answer is 12

hope this helps

6 0

4 years ago

Find the are of a triangle ABC.

Firdavs [7]

Answer: 144

Step-by-step explanation:

3 0

3 years ago

What is 85% written as a fraction? A. 4/5 B. 17/25 C. 17/20 D. 16/20

klio [65]

Answer: C 17/20

Step-by-step explanation: The fraction for 85% is 85/100. To simplify, divide the numerator and the denominator by 5. Final answer, 17/20.

6 0

4 years ago