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Kruka [31]
4 years ago
9

Question 2 of 9 12 + (17 + 1) = (12 +17) + 1 A. True B. False SUBMIT

Mathematics
2 answers:
musickatia [10]4 years ago
5 0

Answer:

i think true

Step-by-step explanation:

Zielflug [23.3K]4 years ago
3 0

Answer:

<h2>True</h2>

Step-by-step explanation:

this addition uses the associative property

a + (b + c) = (a + b) + c

12 + (17 + 1) = (12 + 17) + 1

12 + 18 = 29 + 1

30 = 30

\red { \green {\boxed {\boxed{\star True \star}}}}

#IfWrongPleaseReport

#StudyTogetherWithMe

#ILoveMath

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Andreyy89

Answer:

Last one

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How do you find the solution of this proportion?<br> 4/9 = m2-1/54 <br> m2 is m to the power of 2
elena-14-01-66 [18.8K]

Answer:

±5sqrt(6)/6 = m

Step-by-step explanation:

4/9 = m^2-1/54

Add 1/54 to both sides

4/9+ 1/54 = m^2-1/54 +1/54

4/9+ 1/54 = m^2

Get a common denominator of 54

4/9 *6/6 + 1/54 = m^2

24/54 + 1/54 = m^2

25/54 = m^2

Take the square root of each side

±sqrt(25/54) = sqrt(m^2)

±sqrt(25/54) = m

±sqrt(25)/sqrt(54) = m

±sqrt(25)/sqrt(9)sqrt(6) = m

±5/3sqrt(6) = m

±5/3sqrt(6) *sqrt(6)/sqrt(6) = m

±5sqrt(6)/3*6 = m

±5sqrt(6)/6 = m

8 0
3 years ago
Part F What is the mean absolute deviation for Doctor A’s data set on glasses? What is the mean absolute deviation for Doctor B’
frez [133]

There is more variability on glasses of doctor B's dataset than the glasses of doctor A's dataset

<h3>The doctors' mean absolute deviation on glasses</h3>

The dataset of doctor A is given as:

643 634 670 658 636 624 641 655 649 629

The dataset of doctor B is given as:

651 625 622 624 631 621 653 647 646 646

Using a statistical calculator, we have:

<u>Doctor A</u>

  • Doctor A: Mean Absolute Deviation (MAD) = 11.28
  • Doctor B: Mean Absolute Deviation (MAD) = 12

Hence, the mean absolute deviation is 11.28 for Doctor A’s and 12 for Doctor B’s data set on glasses

<h3>The variation of the two data</h3>

In a dataset, the larger the mean absolute deviations value, the larger the variation.

By comparison, 12 is greater than 11.28

Hence, there is more variability on glasses of doctor B's dataset than the glasses of doctor A's dataset

Read more about mean absolute deviation at:

brainly.com/question/3250070

#SPJ1

7 0
2 years ago
Mitchell is a big coffee fan, so he always takes care of coffee brewing at the office. Normally he uses 100 grams of Robusta cof
Lubov Fominskaja [6]

he uses 100 grams for 10 cups

 20% more would be 100 *1.20 = 120 grams for 10 cups

15/10 = 1.5

120*1.5 = 180

he needs 180 grams for 15 cups.

7 0
3 years ago
Can someone help me with 23?
maxonik [38]
2.5 pounds of apples * $1.20 = $3

He spent total $4.50

So he had to have spent 1.50 on oranges.

So $1.50=$1.20 x where x will be the pound of oranges bought.

1.50/1.20 = 1.25 or 1 1/4 pounds of oranges.
3 0
4 years ago
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