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GrogVix [38]
3 years ago
8

A hovercraft takes off from a platform. Its height (in meters), 2 seconds after takeoff, is modeled by: h(x) = -3(x - 3)2 + 108

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
6 0

Answer:

Step-by-step explanation:

pshichka [43]3 years ago
4 0

Answer:

81 m

Step-by-step explanation:

At take off t = 0, substitute x = 0 into h(x)

h(0) = - 3(0 - 3)² + 108 = - 3(9) + 108 = - 27 + 108 = 81 m

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In the accompanying diagram of parallelogram ABCD,diagonals AC and DB intersect at E, AE = 3x - 4, andEC = x + 12.What is the va
skelet666 [1.2K]

x = 8

Explanation:

AE = 3x - 4

EC = x + 12

SInce diagonals AC and DB intersect at E

it means the lines which meet at the intersection E are equal. A and C meet at E which gives AE and EC

AE = EC

3x - 4 = x + 12

collect like terms:

3x - x = 12 + 4

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divide both sides by 2:

2x/2 = 16/2

x = 8

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What is 84 seconds to 8 seconds
Inessa05 [86]

Answer:

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Step-by-step explanation:

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Now you divide the change by the initial number. You'll get a decimal.

ex. 76/84=0.904...

Multiply the decimal times 100, or move the decimal to the right twice.

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Now round to the nearest ones place

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Step-by-step explanation:

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