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antoniya [11.8K]
3 years ago
6

Suppose that x is normally distributed with a mean of 20 and a standard deviation of 15. What is P(-7.45 ≤ x ≤ 54.95)?

Mathematics
1 answer:
Alexus [3.1K]3 years ago
3 0

Answer:fvvd

Step-by-step explanation:

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X/9 = 9/27 please solve this for me
mars1129 [50]

Answer:

x=3

Step-by-step explanation:

This is a proportional equation:

Given: x/9=9/27

Cross-multiply: 27x=81

Divide: x=3

So x=3

6 0
3 years ago
Read 2 more answers
I need help fast ....​
Cloud [144]
Since x=-10, plug that into the equation.

f(x) = 2(-10) + 11
= -20 + 11
y = -9

So the ordered pair in (x,y) terms is (-10,-9).
4 0
3 years ago
CDs costs $4 each and DVD cost $8 each.
Licemer1 [7]

Answer:

0 and 4

1 and 3

2 and 2

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Step-by-step explanation:

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8 0
3 years ago
Can someone pls help, I'll answer your questions if you have any.
Pie
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3 0
3 years ago
State 7m to 250cm as a ratio in its lowest terms
madam [21]
First you have to convert the numbers to the same units.  Either m to cm or cm to m.
To go from meters to centimeters you multiply the number by 100.
7*100=700cm
Now you have 700cm/250cm.  This needs simplified
I divided each number by 50 to get 14 and 5
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3 0
3 years ago
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