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The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight

Find the value of x in each case. show your work with proper statements and notation. f ∈ dg

An eagle is flying at a constant height of 1000root3 meters from the ground level . a boy standing on the ground observes the angle of elevation of the eagles as 45. after 15 seconds it's angle becomes 30. find it's speed in km/hr