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NeX [460]
4 years ago
14

The altitude of an airplane is described by a certain function h , where h(t) is the altitude in feet of the airplane t minutes

after 8:00 a.m. Which best describes the meaning of the statement h(0)=400 ?
a.The airplane’s altitude was 400 feet at 8:00 a.m.


b.The airplane’s altitude was 400 feet at 12:00 a.m.


c.The airplane’s altitude increased by 0 feet after 400 minutes.


d.The airplane’s altitude reached 0 feet after 400 minutes.

no explanation ty
Mathematics
1 answer:
aleksandr82 [10.1K]4 years ago
4 0

The airplane’s altitude was 400 feet at 8:00 a.m. is the best describes

the meaning of the statement h(0)=400 ⇒ answer a

Step-by-step explanation:

The altitude of an airplane is described by a certain function h ,

where h(t) is the altitude in feet of the airplane t minutes after

8:00 a.m.

That means:

1. The altitude of the airplane can be calculated by using this function

   at any time after 8:00 a.m.

2. At 8.00 a.m. the value of t = 0

3. h(0) is the initial altitude of the airplane

∵ The altitude of the airplane h at any time t after 8:00 a.m. can be

   calculated from the function h(t)

∵ At 8:00 a.m. t = 0

∵ h(0) = 400

∴ The altitude of the airplane at t = 0 is 400

∴ The initial altitude of the airplane is 400

The airplane’s altitude was 400 feet at 8:00 a.m.

Learn more:

You can learn more about functions in brainly.com/question/10382470

#LearnwithBrainly

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3 years ago
Solve the following multiplication and division problems.
algol13

Answer:

a. 22.5 km

b. 267.52 m

c. 95 m

d. (4.2)(10^{-5}) km

Step-by-step explanation:

a. You can convert from hectometers to kilometers, and then you can make the multiplication:

\frac{5hm}{10}=0.5km

(3km)(0.5km)(15)=22.5km

b. You can convert from centimeters to meters, and then you can make the multiplication:

\frac{44cm}{100}=0.44m\\(19m)(0.44m)(32)=267.52m

c. You only need to divide 1,140 meters by 12:

\frac{1,140m}{12})=95m

d. You can convert from hectometers to kilometers, from decameters to kilometers and from meters to kilometers, and divide this by 15:

\frac{6hm}{10}=0.6km

\frac{7dam}{100}=0.07km

\frac{5m}{1000}=0.005km

\frac{(3km)(0.6km)(0.07km)(0.005km)}{15}=(4.2)(10^{-5}) km

5 0
4 years ago
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we know that

if two lines are perpendicular, then the product of their slopes is equal to minus one

so

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Step 1

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Step 2

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