How are parentheses used when grouping factors? For 3rd grade math

Mathematics

2 answers:

igomit [66]3 years ago

8 0

They mean you do that problem first like 37 + (6 x 9) so you are basically doing 6 x 9 and then adding 37.

Rufina [12.5K]3 years ago

8 0

Answer:

I do not know the answer but i will try because of this dude name VENUS

But you have to do 6 x 9 and add 32.

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Tamiku [17]

Answer:

The sampling of this study is bias

Step-by-step explanation:

Sampling bias is a bias that is gotten during sampling where some members of the population have a lower representation or probability than others in the sample pool. In this case, only the residents living near a river was sampled, and because they are subjected to relatively the same conditions (living near a river), the result of the study will not be a true representation of every member of the town because the people living far away from the river will most likely have different opinions due to their different environmental exposure than the people living close to the river. The correct thing to have been done for the result to be reliable and accurate will be to sample at random, people in the two both close to and far away from the river, or to sample equal number of people each living close to and far away from the river.

Another example of sampling bias is a study to determine the effect of alcohol on pregnancy in women in America, and only pregnant white women who drink are sampled, leaving out Black or Hispanic women, what ever result gotten in the study may hold true for white women in America, but it may not hold true for every woman in America

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3 years ago

A car is driving at 70 kilometers per hour. How far, in meters, does it travel in 5 seconds?

notka56 [123]

Answer:

97.2 m

Step-by-step explanation:

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