Use trial and improvement to find a solution of the equation 2a² + a = 30. Start with a = 4. Record your trials in a table.
Cir ynur answer correct to one decimal place.

What are the values of , , m∠abd and m∠dbe in the given figure? explain or show your work

With: label the vertices and all the elements needed. find x

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.