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Anna35
9 days ago
15

An adventure sports club claims to take its hot air balloon to a height of 10,020 feet. The hot air balloon’s elevation is model

ed by the equation y = x5 − 6x4 + 3x3 − 18x2 + 180x, where x is the number of minutes since the balloon took off. In how many minutes will the hot air balloon reach an elevation of 1,080 feet?
A)4 minutues
B)5 minutes
C)6 minutes
D)7 minutes
Mathematics
2 answers:
Leona [12.1K]9 days ago
6 0
The answer is

C) 6 minutes.For the solution, we will plug in the options for x and compute y for each; the correct answer will deliver y=1080 feet:

Examining option A:

y=1024-1536+192-288+720

y=4^{5}-6*4^{4}+3 *4^{3}-18*4^{2} +180*4

y=112 feet.

Next for option B:

y=3125-3750+375-450+900

y=5^{5}-6*5^{4}+3 *5^{3}-18*5^{2} +180*5

y=200 feet.

Applying option C:

y=7776-7776+648-648+1080

y=6^{5}-6*6^{4}+3 *6^{3}-18*6^{2} +180*6

y=1080 feet. Thus, in 6 minutes, the balloon will achieve an elevation of 1080 feet.

PIT_PIT [11.9K]9 days ago
3 0
C, six minutes; perhaps it’s D, I’m not certain.
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17 days ago
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1 month ago
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Answer:

The correct choice is:

Simplifying and summarizing data

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Calculate the side lengths a and b to two decimal places. Will give five stars and brainliest to the first answer!!!!! Need help
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Response:

Applying the Sine Rule, which articulates that

\frac{a}{Sin A}=\frac{b}{Sin B}=\frac{c}{SinC}

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Choice E: a= 15.09 and b=15.81  is approximately correct.

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