Find the interquartile range from 2, 5, 9, 1, 6, 9, 3 round to the nearest tenth

Answers

Answer 1

Answer: put the numbers in order
1,2,3,5,6,9,9

Q1 = 2
Q2 (median -- middle number) = 5
Q3 = 9

IQR = Q3 - Q1 = 9 - 2 = 7

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Your classmate says 8 to the tenth power times 8 to the third power is equivalent to 8 to the 30th power identify the mistake and give the correct expression#please show your work

Answers

The mistake he did was multiplying the exponents. When multiplying exponents with the same base (8), all you have to do is add the exponents. so the correct term would be 8^13.

What is deviation from mean

Answers

There's mean deviation and standard deviation.

Mean Deviation: The average distance to the mean.

Standard deviation = Square root of variance

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Standard deviation formula:

$\sigma =\sqrt { \frac { \Sigma { x }^( 2 ) }{ n } -{ \left( \frac { \Sigma x }{ n } \right) }^( 2 ) }$

action of departing from an established course or accepted standard.

What is the answer to. Work out 5-10/-5

Answers

10/-5 = -2 so 5 - (-2)= 7

What is FOIL and PEMDAS?

Answers

FOIL and PEMDAS are both ways to solve mathematical equations.

FOIL
First
Outside
Inside
Last

PEMDAS
Parenthesis
Exponents
Multiplication &
Division
Addition &
Subtraction

FOIL is usually used to solve equations in two sets of parenthesis, for example:
(23+x)(5-4x)

PEMDAS is used to solve multiple-operation equations, such as:
5 x 4 + 6 - 2 x 7

Whew, hope this helped :D

Foil - prevent from succeeding
Pemdas - It is a method used my mathematics students to remember operations

How to find the radius of a sphere

Answers

Answer:

Divide the diameter by 2.

Step-by-step explanation:

Evan buys 2 CDs. $1.49 is added to the total price which is the 5% sales tax. What is the cost for each of the CDs?

Answers

In the given question, there are several information's that are of great importance. It is by using these information's the correct answer can be determined. It is already given that the amount of sales tax is $1.49 and the percentage of sales tax is 5%. Now it is important to firstly determine the total price of 2 CDs and then determine the price of 1 CD.
Let us assume that the cost of 2 CDs = x
Then
5x/100 = 1.49
5x = 1.49 * 100
5x = 149
x = 149/5
= 29.8
So the cost of 2 CDs is $29.8.
Now
The cost of each CD = (29.8/2) dollars
= 14.9 dollars
So the cost of each CD is $14.9.

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HELP NOW ILL GIVE YOU BRAINLEST ! Use a scale factor to find the missing side in the larger rectangle.A) 9.2 cm B) 10 cm C) 10.5 cm D) 11.2 cm

How do you write 8.638 in word form

14 points Write a ratio, in simpliest form that compares the two quantities show your work 400m to 1km