A person knows that to get well-done beef, it should be brought to a temperature of 171°F. He placed a sirloin tip roast with a temperature of 30°F in an oven with a temperature of 329°F and after 3 hours the temperature of the roast was 141°F. How much longer must the roast be in the oven to get it well done? If the oven temperature is set at 171°F, how long will it take to get the roast well done? Hint: The difference between the roast temperature and the oven temperature decreases exponentially. How much longer will it take to get the roast well done with an oven temperature of 329°? Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. A. The roast must be in the oven nothing hour nothing minutes longer. (Round to the nearest whole number as needed.) B. The roast will never get well done.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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