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AnnyKZ [126]
2 years ago
13

HELP PLEASE RNNNNNN

Mathematics
1 answer:
GalinKa [24]2 years ago
8 0

Answer:

The three statements on the right hand side of the screen are the correct ones

Step-by-step explanation:

To take the average of the weight of the cat in the month of April is the following:

9.8 + 9.6 + 9.7 + 9.5 + 9.4 = 48

But then divide that by the number of samples:

48/5=9.6

The mean for April is 9.6

To take the average of the weight of the cat in the month of November is the following:

9.4 + 9.3 + 9.1 + 9.2 + 9 = 46

But then divide that by the number of samples:

46/5=9.2

Then, lastly, subtract the mean from November by the mean of April:

9.6-9.2=0.4

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Answer:

21

Step-by-step explanation:

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3 years ago
The sum S of the first n integers is given by the formula S=1/2n(n+1). How many integers must be taken to have a sum of
statuscvo [17]

Answer:

25

Step-by-step explanation:

We require to solve for n, hence

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subtract 650 from both sides to have equation in standard form

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Step-by-step explanation:

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2 years ago
Without using calculator find :<br> cos(225) sin(315) + sin( –270) tan(405)
Ronch [10]

Answer:

1.5

Step-by-step explanation:

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315° bisects Q IV

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2 years ago
Read 2 more answers
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