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gavmur [86]
3 years ago
12

Helppp and explain plsssssssssssssss!!!!!!!!!!!!!!!!

Mathematics
1 answer:
stellarik [79]3 years ago
6 0

Answer:

First answer. 3-3x

Answer two. 3

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A simple random sample of 1000 American adults found that the average number of hours spent watching television during a typical
Anika [276]

Answer:

Larger for the sample of Canadians

Step-by-step explanation:

The larger the sample size, the smaller the standard deviation (sampling variability) associated with the sample means and vice-versa.

The sample of Canadians is smaller, it is expected that their sampling variability is larger than the sample of Canadians based on the rule that as the sample size increases, the standard deviation of the means decreases; and as the sample size decreases, the standard deviation of the sample means increases

6 0
3 years ago
¿Cuántas onzas equivalen a 9 libras? (1 libra = 16 onzas)
rosijanka [135]

Answer:

144 onzas

Step-by-step explanation:

1) 1 libra= 16 onzas

2) 16x 9= 144

;) Espero que eso te ayude

4 0
3 years ago
Brian can iron 3 shirts in 5 minutes. If Brian irons at a constant rate, how many shirts can he iron in 30 minutes? WILL GIVE BR
never [62]

Answer:

18

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Two 2 1/2 inch plastic strips and two 5 1/3 inch plastic strips are used to form a rectangle. What is the perimeter of the recta
svp [43]
In this question the given information's should be closely noted. The length and width of the perimeter are already given. Based on those information's the answer to the question can be easily deduced.
Length of the rectangle = 2 1/2 inch
                                       = 5/2 inch
Width of the rectangle = 5 1/3 inch
                                         = 16/3 inch
Then
Perimeter of a rectangle = 2 ( Length + Width)
                                        = 2 [(5/2) + (16/3)]
                                         = 2 [ (45 + 32)/6]
                                         = 2 * (77/6)
                                         = 77/3 inch
                                         = 25 2/3 inch
So the perimeter of the rectangle in question is 25 2/3 inch. I hope the procedure is clear to you.
5 0
3 years ago
Read 2 more answers
Help my friends y'all really are awesome
anyanavicka [17]

Answer:

81

Step-by-step explanation:

u multiply 9 x 9 not 9x2

5 0
3 years ago
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