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3 years ago

What is the Mean Absolute Deviation of the following data set? {23, 25, 28, 29, 30}

Mathematics

1 answer:

AnnyKZ [126]3 years ago

7 0

Answer:

The mean absolute deviation is 2.4

Step-by-step explanation:

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A system of equations is shown below:

ivolga24 [154]

To solve this problem you must apply the procceddure shown below:

1. You have the following system of equations:

x+y = 3
2x–y = 6

2. Then, you must clear the variable y from the first equation and susbtitute it into the second equation, as below:

x+y=3
y=3-x

2x-y=6
2x-(3-x)=6
2x-3+x=6
3x=6+3
3x=9

3. Therefore, the value of x is:

x=9/3
x=3

4. As you can see, the correct answer is:

x=9

6 0

3 years ago

Each question is worth 10 pts, I will do brainliest for the person who does both and follow pls help.

In-s [12.5K]

Answer:

1. 6

pennies = 9

nickels = 5

quaters = 5

dimes = 10

Step-by-step explanation:

18/3 = 6

as we know that there are 18 scoops, and 3 per icecream, we can divide the two to get the number of ice creams

#n = #q; #q = 2#d, this is a simple ratio, you just plug in the variables to get

5n = 5q = 10d = 15 coins

24 - 15 = 9 pennies

pennies = 9

nickels = 5

quaters = 5

dimes = 10

8 0

2 years ago

Jim, Darrell, Janet, and Stephanie each live in a different environment (mountains, desert, lake, or ocean). Darrell lives by wa

ValentinkaMS [17]

Answer:

Jim - Ocean, because lakes don't have waves to surf on. Oceans do.

Darrell - Lake, because it's the only other water option.

Janet - Mountains, because Stephanie doesn't live in the mountains.

Stephanie - Desert, because it's the only one left.

Hope I could help!

~ Marshy ~

7 0

4 years ago

Read 2 more answers

35 into binary number

vodka [1.7K]

Answer:

35 in binary is 100011.

Step-by-step explanation:

To find decimal to binary equivalent, divide 35 successively by 2 until the quotient becomes 0.

4 0

3 years ago

Read 2 more answers

Question 6 of 9 (3•8) • 1 = 3 • (8.1) O A. True B. False

olga nikolaevna [1]

Answer:

No, (false). The question I assume was: $(3*8)*1=3*(8.1)$

Step-by-step explanation:

1. Multiple: 3 * 8 = 24

2. Multiple: The result of step No. 1: * 1 = 24 * 1 = 24

3. Conversion a decimal number to a fraction: 8.1 = $\frac{81}{10}$ = $\frac{81}{10}$

a) Write down the decimal 8.1 divided by 1: 8.1 = $\frac{81}{1}$

b) Multiply both top and bottom by 10 for every number after the

decimal point. (For example, if there are two numbers after the decimal

point, then use 100, if there are three then use 1000, etc.)

$\frac{8.1}{1}$ = $\frac{81}{10}$

Note: $\frac{81}{10}$ is called a decimal fraction.

c) Simplify and reduce the fraction

$\frac{81}{10} = \frac{81*1}{10*1} = \frac{81}{10}$

4. Multiple: 3 * 8.1 = $\frac{3*81}{1*10}$ = $\frac{243}{10}$

Multiply both numerators and denominators. Result fraction keep to lowest

possible denominator GCD(243, 10) = 1. In the next intermediate step the

fraction result cannot be further simplified by canceling.

In words - three multiplied by eighty-one tenths = two hundred forty-three

tenths.

5. Compare: The result of step No. 2 vs The result of step No. 4: = 24 vs $\frac{243}{10}$ = $\frac{24}{1}$ vs $\frac{243}{10}$ = $\frac{24*10}{1*10}$ vs $\frac{243}{10}$ = $\frac{240}{10}$ vs $\frac{243}{10}$ = 240 vs 243 = No

5 0

4 years ago