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Liono4ka [1.6K]
3 years ago
11

PLEASE HELP!!! NEED THIS ANSWERED!!!!

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0

Exclusive events, for OR we can add probabilities.

P(O or B) = 0.49 + 0.20 = 0.69

Answer 0.69

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Please help!!!!!!!! ​
xxMikexx [17]

Answer:

1) 0.50

2) 1

using probability formula

6 0
2 years ago
What is the reasonable estimate for -3/2 x -5 1/4
Lady bird [3.3K]

Answer:

7.875......7.9.....or 8

Step-by-step explanation:

-3÷2×-21÷4= 7.875

63÷8=7.875

3 0
3 years ago
Read 2 more answers
B) what is the mean<br>C) what is the standard deviation ​
mina [271]
The mean is the average.

i’ve found this a helpful way to remember:
the medians the middle
the mean old average
7 0
3 years ago
AB has endpoints at (-1, -1) and (-2, -4). Its transformation A'B' has endpoints at (-2, -2) and (-4, -8). What type of transfor
lorasvet [3.4K]
C: Dilation because that is the only one that can increase the size of the figure. 
6 0
2 years ago
Read 2 more answers
The sum of three consecutive even number is 156 what is the smallest of the three number?
Xelga [282]
50 + 52 + 54  = 156

The smallest one is  50 .
4 0
3 years ago
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