A 41 gram sample of a substance that's used to detect explosives has a k value of 0.1392.

Find the substances half life, in days. Round answer to nearest tenth.

Using the exponential decay formula

Whats a potato at this moment according to scientists

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A park shaped like a pentagon has four equal length sides and one unequal side whose length is 35 feet (ft). The perimeter of the park is 195 ft. What is the length in feet of one of the equal length sides?

The most renewable energy source, it provides earth with 35,000 time more energy than human activity uses together

Which of the following is an example of chemical weathering? Wind carrying sand from a beach. A river carrying dirt into a lake. Friction between two rock surfaces grinding away minerals. Chemicals in water dissolving minerals in rock.

F (x) = x2 + 1 g (x) = 5 - x (f + g) (x) =

What is the highest math level needed for the SAT?

The wheels on your car are spinning at 625 revolutions per minute. The car travels 8 feet every time the wheels spin around 1 revolution. How many miles per hour are you traveling? Round to the nearest integer.

One of the same side angles of two parallel lines is 20° smaller than the other one. Find all angles.

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