a data set has a variance of 88.what is the standard deviation of the data set? round to the nearest tenth

Answers

Answer 1

Answer: The standard deviation is equal to the square root of the variance:

$\sigma =\sqrt { Variance }$

Therefore:

$\sigma =\sqrt { 88 } \n \n \therefore \quad \sigma \approx 9.4$

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I WILL GIVE 30 PTS!!! HELP PLEASEEEE!Which point would map onto itself after a reflection across line y=-x
*(-4,-4)
*(-4,0)
*(0,-4)
*(4,-4)

Answers

Answer:

(-4 , -4) , (0 , -4) , (4 , -4) these 3 points would cross a line when put in a graph. You should try using desmos.

Answer:

i need to see the first point before the transformation

Step-by-step explanation:

An accident victim gets 0.5 pints (pt) of blood and 750 milliliters (mL) of an intravenous (IV) solution. What is the ratio of blood to the intravenous solution in lowest terms?

Answers

1 pt= 437.1765 mL
0.5 pt= 0.5x437.1765= 218.58825 mL
Ratio = 218.58825/750= 0.2915 % =29.15%

Does anyone know this

Answers

Answer:

It is A

Step-by-step explanation:

The square route of 174 is 13.190906. Didn't use a calculator.

8. John measured the diameter of four steel rods. Compare his measurements below. Which one is thelargest?
A. 0.026 inch
B. 0.25 inch
C. 0.24 inch
D. 0.025 inch

9. Kim works as a salesperson for a photo studio. To find his earnings for the week, he multiples his total
sales by 0.175. His sales for the week of October 10 total $2,507.47. What did he earn for the week?
(Round your answer to the nearest cent.)
A. $438.81
B. $388.06
C. $880.60
D. $449.83

Answers

8)
B. 0.25 inches

9)
A. $438.81

10. $20 item marked down 40%