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Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particleโs acceleration positive? (round one decimal place and answer in interval notation) e. when is the particleโs acceleration negative? (round one decimal place and answer in interval notation)
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Mathematics, 21.06.2019 21:00
Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out
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Mathematics, 21.06.2019 21:00
Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n โ 1) + 4; n > 1 f(1) = 4 and f(n) = f(n โ 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n โ 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n โ 1) + 2; n > 1 i will award !
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Mathematics, 21.06.2019 21:30
Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.
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Mathematics, 28.06.2019 18:30
History, 28.06.2019 18:30
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Health, 28.06.2019 18:30