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Rzqust [24]
3 years ago
9

(Please correct answers only) (Will mark brainliest)

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
8 0
The answer is B., valid because people were chosen randomly
This would make it a valid survey
Hope this helps!
;3
FrozenT [24]3 years ago
6 0

Answer:

Step-by-step explanation:

Given that Pete conducts a survey to find the most popular video games in the city. He randomly selects 10 people to participate in the survey.

Compared to the population of a city, sample of 10 is very small or negligible.Thus this small group opinion will not have any association witht he general opinion.

Hence we find that option C

C.not valid; The survey asks too few people.

-------------------------

Other options are not selected because survey is meant to get opinion only.(for A)

B is not selected because random selection is compulsory

D is not selected since it is true.

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He counted 206 wheels and 170 pedals. How many bicycles and tricycles does he have.
noname [10]
Bicycle has 2 wheels and 2 pedals
 tricycle has 3 wheels and 2 pedals

EQ 1 : 2b + 2t = 170 pedals

 EQ 2: 2b +3t = 206 wheels

subtract  EQ 1 from EQ 2

2b +3t = 206 - 2b + 2t = 170 = t=36

 there were 36 tricycles

36 x 2 = 72 pedals

170 pedals - 72 = 98 pedals left
98/2 = 49 bicycles

36 Tricycles and 49 bicycles




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Question in pic! help asap!! will give brainliest!!
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Answer:

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