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insens350 [35]
2 years ago
6

What integer describes 50 feet below sea level?

Mathematics
2 answers:
alexdok [17]2 years ago
8 0

-50 since an integer is the opposite of a whole number positive or negative

ANEK [815]2 years ago
7 0
The answer is -50 because sea level is 0 and you are taking away 50 feet
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A baseball stadium has 38,496 seats. Round to the nearest thousand , how many seats is this
postnew [5]
38,496 rounded to the nearest thousand is 38,000.
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2 years ago
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7. Classical linear model assumptions for time series Consider the following stochastic process {(x1, x2, x3, . . . , xk, yt): t
iogann1982 [59]

Answer:

Options are missing.

The options for the above question are:

TS.1: Linear in parameters.

TS.2:No perfect collinearity

TS.3: Zero conditional mean.

TS.4: Homoskedasticity.

TS.5: No serial correlation

TS.6: Normality.

Hence the correct answer is TS1 to TS 5

Step-by-step explanation:

Assumptions TS 1 to TS 5 are the minimum set of assumptions needed to for the OLS estimates to be the best linear unbiased estimators conditional on explanatory variables for all time periods.

The assumptions of Normality is not needed for the estimators to show the BLUE property

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2 years ago
The price per night for a hotel room is different at three different hotels.
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I think you meant it to be not repeating 3 times so
You do 192/3 is 60*3= 180 leaving you with 12 which is 4*3. So 64 is A
Then it’s 300/5 which is 60
455/7. So first see, if I multiply 7 by 60 is it over or under. If it’s over then B is the least and if it is less then C is the least. So 7 *60 is 420
C Being greater, b costs least per night
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2 years ago
The sequence of transformations that can be performed on quadrilateral ABCD to show that it is congruent to quadrilateral GHIJ i
Marina86 [1]

First transformation.

Duadrilateral ABCD has vertices with such coordinates:

  • A(15,10);
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  • C(20,15);
  • D(20,5).

Apply a rotation by 90°counterclockwise around point A to this quadrilateral, then

  • A(15,10)→A'(15,10);
  • B(15,20)→B'(5,10);
  • C(20,15)→C'(10,15);
  • D(20,5)→D'(20,15).

Second transformation.

1. A reflection across the y axis has a rule:

(x,y)→(-x,y).

Then

  • A'(15,10)→A''(-15,10);
  • B'(5,10)→B''(-5,10);
  • C'(10,15)→C''(-10,15);
  • D'(20,15)→D''(-20,15).

2. A translation 20 units down has a rule:

(x,y)→(x,y-20).

Then

  • A''(-15,10)→G(-15,-10);
  • B''(-5,10)→H(-5,-10);
  • C''(-10,15)→I(-10,-5);
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Answer: first blank -B, second blank - B.

4 0
2 years ago
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A typical running track is an oval with 74-m-diameter half circles at each end. a runner going once around the track covers a di
denpristay [2]

Answer:

Her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

Step-by-step explanation:

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Speed of runner , V=\frac{D}{T}=\frac{400}{100}\, \frac{m}{s}= 4.0\, \frac{m}{s}

Now centripetal acceleration is given by

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where V= 4.0\frac{m}{s}

Radius, R= \frac{Diameter}{2}=\frac{74}{2}m=37\, m

\therefore a_c=\frac{4^{2}}{37}\, \frac{m}{s^{2}}=0.432\, \frac{m}{s^{2}}

Thus her centripetal acceleration during the turn at each end of the track is 0.432\, \frac{m}{s^{2}}

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