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tatiyna
4 years ago
15

The temperature at 4 a.m. was -13 °F. The temperature was rising at a steady rate of 5°F an hour. At what time will the temperat

ure be 12°F ?
Mathematics
1 answer:
Dovator [93]4 years ago
7 0
At 9 a.m. the temperature will be 12
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In a book the characters are trying to determine whether the Poisson probabilistic model can be used to describe the locations t
oksian1 [2.3K]

Answer:

The estimated mean number of rockets hits in the region is 533.

Step-by-step explanation:

We are given the following information,

Number of rocket hits     |    Observed number of regions

0                                       |                       228

1                                        |                       214

2                                       |                        94

3                                       |                        32

4                                       |                         7

5                                       |                        0

6                                       |                        0

7                                       |                         1

We are asked to estimate the mean number of rocket hits in the region.

The mean or expected value is given by

\mu = \sum (x \cdot P(x)) \\\\\mu = (0 \cdot 228) + (1 \cdot 214) + (2 \cdot 94) + (3 \cdot 32) + (4 \cdot 7) + (5 \cdot 0) + (6 \cdot 0) + (7 \cdot 1) \\\\\mu = 0 + 214 +188+ 96 +28 +0+ 0 + 7 \\\\\mu = 533

Therefore, the mean number of rockets hits in the region is 533.

5 0
3 years ago
Can someone please help me with this?
maksim [4K]

Answer:

It would be 30 bc that are the same size on both side

8 0
3 years ago
Social media influence communication​
Alex

Answer:

what whats the question so I can answer

8 0
3 years ago
Find the value of x.
Dafna11 [192]

Answer:

61.7

we have:

cos 56⁰.x = 30/tan 41⁰

=>

x = \frac{30}{ \tan(41 {}^{0} ) \cos(56 {}^{0} )  }  = 61.7

6 0
2 years ago
Someone please help me with #28 and #30 I got myself super confused.
bogdanovich [222]

<u><em>Question 28:</em></u>

S-2\pi r^2=2\pi rh                     Subtract 2\pi r^2 on both sides

\frac{S-2\pi r^2}{2\pi r} =h         Divide 2\pi r on both sides

<u><em>*(Answer)*=</em></u>  \frac{S-2\pi r^2}{2\pi r} =h


<u><em>Question 30:</em></u>

a*t=v_{1}+v_{0}                  Multiply t on both sides

a*t+v_{0} =v_{1}                 Subtract v_{0} on both sides

<u><em>*(Answer)*=</em></u> a*t+v_{0} =v_{1}

Hope This Helps

BangtanBoyScouts

4 0
3 years ago
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