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3 years ago

Combine like terms and write in expanded form. 2x + (5 + 2) +5 (2) Help it due by 5:00

Mathematics

1 answer:

OlgaM077 [116]3 years ago

3 0

Answer:

2x + 17

Step-by-step explanation:

5 * 2 = 10

5 + 2 = 7

2x + 17

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GRADE 6 MATHEMAT 12. Look at the data set. 12, 34, 27, 27, 36, 42, 15, 28, 32, 47, 30 Which statement is true about the data set

adelina 88 [10]

The statement is true because it's going in accending order.

the prerquartute 11 question

Step 1: Put the numbers in order.

1, 2, 5, 6, 7, 9, 12, 15, 18, 19, 27.

Step 2: Find the median.

1, 2, 5, 6, 7, 9, 12, 15, 18, 19, 27.

Step 3: Place parentheses around the numbers above and below the median.

Not necessary statistically, but it makes Q1 and Q3 easier to spot.

(1, 2, 5, 6, 7), 9, (12, 15, 18, 19, 27).

Step 4: Find Q1 and Q3

Think of Q1 as a median in the lower half of the data and think of Q3 as a median for the upper half of data.

(1, 2, 5, 6, 7), 9, ( 12, 15, 18, 19, 27). Q1 = 5 and Q3 = 18.

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3 years ago

Listed below are the salaries, in $000, for a sample of 15 chief financial officers in the electronics industry.

Tcecarenko [31]

Answer:

Mean = sum of all numbers in dataset / total number in dataset

Mean = 8130/15 = 542

Median:

The median is also the number that is halfway into the set.

For median, we need to sort the data and then find the middle number which in our case is 546. Below is the sorted data

486 516 523 523 529 534 538 546 548 551 552 558 566 574 586

Standard Deviation (SD). Here X represents dataset and N= count of numbers in data

As per the SD formula, which is Sqrt ( sum (X_i - Meanx(X))/(N-1))

SD= 25.082

2) Formula for coefficient of skewness using Pearson's method (using median) is,

SK = 3* ( Mean (X) - Median(X))/(Standard Deviation) = 3*(542-546)/25.082 = -0.325

3) coefficient of skewness using the software method is also same which is -0.325

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Answer:

Step-by-step explanation:

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4 years ago

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EastWind [94]

The triangle are congruent.
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