20% of 65 is 0.2 times 65 which is 13.
Hope this helps.
1 kilometer = 0.6214 miles
120 to 130 kilometers per hour = 120 x 0.6214 to 130 x 0.6214 = 74.56 to 80.78 miles per hour.
Function is given in the form: f ( 2 ) = 12. There is x = 2, which means the presence of bacteria after 2 hours.
Answer : C) The total number of the bacteria present in the sample after 2 hours is 12.
The final solution is all the values that make <span><span><span><span><span>(<span>x+4</span>)</span><span>(<span>x<span>−4</span></span>)</span></span><span>(<span><span>x2</span>+4</span>)</span></span>=0</span><span><span><span><span>x+4</span><span>x<span>-4</span></span></span><span><span>x2</span>+4</span></span>=0</span></span> true.<span>x=<span>−4</span>,4,<span>2i</span>,<span><span>−2</span><span>i</span></span></span>
