Answer:
The number of bacteria after t hours is given by:
Step-by-step explanation:
Amount of bacteria after t hours:
Is given by the following equation:
In which a is the initial value and k is the constant of growth.
There are 100 bacteria initially
This means that . So
500 bacteria five hours later.
This means that . We use this to find k. So
So
The number of bacteria after t hours is given by:
Answer: C because rhombus doesn’t have a right angle so I can’t be a rectangle nor a square
Answer:
(0, -1)
Step-by-step explanation:
find b and then go down three units and left two to find the new coordinates
Answer:
T=12/7 For mixed number T=1 5/7 for decimal form 1.7 (7 repeating)
Answer:
XY is a tangent
Step-by-step explanation:
Given
Required
Is XY a tangent?
XY is a tangent if:
Because XY should make a right angle at point X with the circle
Where
So, we have:
This gives:
<em>Yes, XY is a tangent</em>