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pandagorwar
21.04.2020 •
Mathematics
Which expression is equivalent to 5(c + d) + 2(c + d)?
Question 5 options:
7(c + d)
7 + (c + d)
7c + d
7 + 7d
Please I will give brainliest
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Ответ:
A) 7(c + d)
Step-by-step explanation:
5(c + d) + 2(c + d)
5c + 5d + 2c + 2d
7c + 7d
7(c + d)
Ответ:
A
Step-by-step explanation:
Distribute the 5
5(c + d) + 2(c + d)
5*c+5*d +2(c + d)
5c+5d +2(c + d)
Distribute the 2
5c+5d+ 2*c+2*d
5c+5d+2c+2d
Combine like terms (combine the ds and the cs)
5c+2c +5d+2d
7c+7d
A is equivalent to this answer
7(c + d)
Distribute the 7
7*c+7*d
7c+7d
So, A is the answer
Ответ:
first, arrange the data set in increasing order:
23, 74, 75, 76, 76, 77, 79
the median is the middle value, 76. now remove the outlier, 23:
74, 75, 76, 76, 77, 79
since there are now an even number of data points, there is no exact middle value. so take the mean of the two values closest to the middle to get the median:
(76+76)/2 = 152/2 = 76
for this data set, the median remains unchanged when the outlier is removed.