Mathematics, 11.02.2021 02:00 HopeDied
You created a model of the Grand Coulee Dam, using a scale of 1 cm: 20 m. Your model is 15 centimeters tall. Estimate the actual height of the Grand Coulee Dam.
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If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).
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Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.
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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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 particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
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You created a model of the Grand Coulee Dam, using a scale of 1 cm: 20 m. Your model is 15 centimete...
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