3 years ago

Bonnie is n years old.

Mathematics

1 answer:

grin007 [14]3 years ago

6 0

Answer:

T = 5n + 7

Step-by-step explanation:

Bonnie : n

Clara : 3n

Danesh : 7 + n

T = n + 3n + 7 + n

T = 5n + 7

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Find the distance between (-1,-6) and (-5,6).

coldgirl [10]

Answer:

12.65

Step-by-step explanation:

The equation for the distance between two points is √((x2-x1)²+(y2-y1)²)

Lets plug in our points to get:

√((-5+1)²+(6+6)²)

√((-4)²+(12)²)

√(16+144)

√160

using a calculator we get the answer 12.65

4 0

3 years ago

Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. he finds the mean is 14. his steps for

german

The complete question in the attached figure N 1

we know that
The formula for Sample Standard Deviation is indicated in the attached figure N2
n in this problem is 4 <span>and Yuri had to divide in the formula by 3 </span>

therefore

the answer is
Yuri divided by n instead of n -1