If a certain cannon is fired from a height of 9.8 meters above the ground, at a certain angle, the height of the cannonball above the ground, h, in meters, at time, t, seconds, is found by the function h(t)=-4.9t²+27.5t+9.8. Find the time it takes for the cannonball to strike the ground. The cannonball will strike the ground after about ___ seconds.
(Type an integer or a decimal. Round to the nearest hundredth as needed.)

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this woman was an important writer and propagandist during the american revolution. she was a member of the committee of correspondence (in fact the committee was formed in her home) and was an advisor to many of the revolutionary leaders, including george washington and john adams. who was this revolutionary woman?

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

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