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guapka [62]
3 years ago
6

I need this done, please I need to pass these six weeks! Thanks

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
5 0
For page 1:
4. H
5. B
6. F, G and H
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Choose the justification for each step in the solution for equation 6X -9 equals 45
fenix001 [56]
Whats the question i cant see it

8 0
4 years ago
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X-3=5 what does x equal
BabaBlast [244]

Answer:

8

Step-by-step explanation:

x-3=5

add the 3 to both sides of the equal sign

x-(3+3)=(5+3)

x=8

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3 years ago
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The scheduled arrival time for a daily flight from Boston to New York is 9:35 am. Historical data show that the arrival time fol
Lady_Fox [76]

Answer:

The mean is 11.5 minutes and the standard deviation is of 6.64 minutes

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The mean is:

M = \frac{a+b}{2}

The standard deviation is:

S = \sqrt{\frac{(b-a)^{2}}{12}}

Arrival time of 9:18 am and a late arrival time of 9:41 am.

9:41 is 23 minutes from 9:18. So the time is uniformily distributed between 0 and 23 minutes, so a = 0, b = 23.

Mean:

M = \frac{a+b}{2} = \frac{0+23}{2} = 11.5

Standard deviation:

S = \sqrt{\frac{(b-a)^{2}}{12}} = \sqrt{\frac{(23 - 0)^{2}}{12}} = 6.64

The mean is 11.5 minutes and the standard deviation is of 6.64 minutes

8 0
3 years ago
"You must be 40 inches tall to ride."
Deffense [45]

Answer:

85%

Step-by-step explanation:

1. Divide.

34 divided by 40 = 0.85

2. Multiply.

0.85 x 100 = 85

8 0
3 years ago
SOLVE EQUATION<br><br><br> 20*[7.5*10 exponent of -2]
BlackZzzverrR [31]
20(7.5*10^-2)
the *10^-2 means we move the decimal of 7.5 2 places to the left
20(.075)
=1.5
7 0
3 years ago
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