Answer:
hey is this from ncert textbook well.i know it
so question is y²-(-5y²)
it will be. y²+5y² (minus minus will become plus)
it will be then 1y²+5y² (y² will be 1y²)
so total will be 6y²
thanks pls give me brainliest I need it to upgrade the rank
Answer:
The margin of error is of 0.3012, and it means that we should be 99% confident that the population mean would be within 0.3012 of the sample mean.
Step-by-step explanation:
Margin of error

In which
is the standard deviation and n is the size of the sample.
Standard deviation of 1.3
This means that 
She surveys 124 families
This means that 
Margin of error and meaning:



The margin of error is of 0.3012, and it means that we should be 99% confident that the population mean would be within 0.3012 of the sample mean.
The computation shows that there are 8640 combinations.
<h3>How to compute the value?</h3>
From the information, we are to find the combination when he rolls a cube that has six sides labeled 1 to 6, spins a spinner with three equal-sized sections labeled Walk, Run, Stop, and flips a coin.
This will be:
Cube = 6
Spinner = 3
Coin = 2
The combination will be:
= 6! × 3! × 2!
= 8640 ways
Therefore there are 8640 combinations.
Learn more about combinations on:
brainly.com/question/4658834
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I think it would be 26.25 if you multiply 350 by .15 and rdivide by two