Mathematics, 15.02.2021 09:30 toxsicity
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A baseball is thrown straight upward with a speed of 30 m/s. (a) How long will it rise? (b) How high will
it rise? (c) How long after it leaves the hand will it return to the starting point? (d) When will its speed be
16 m/s? Ans. (a) 3.1 s; (b) 46 m; (c) 6.1's; (d) 1.4 s and 4.7 s​
Answers: 2
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Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
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If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|
Answers: 1
3
A baseball is thrown straight upward with a speed of 30 m/s. (a) How long will it rise? (b) How h...
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