On a test, Avery lost 5points for each of the 6
questions she got wrong
but earned 10 points for
answering the bonus
question correctly. What
integer represents her
score in relation to a
perfect score of 100?


Answer 1



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  • 19.8

Step-by-step explanation:

Estimate 3√43

  • There is a formula for estimating square root of non-perfect square numbers
  • √A²±B = A ± B/2A
  • where A² is the nearest perfect square, B is the difference between the original number and the perfect square

Using same formula, we'll estimate √43

  • 43 = 36 + 7= 6² + 7
  • √43 = √(6² + 7) = 6 + 7/2*6 = 6.583 ≈ 6.6 rounded to nearest tenth

Answer to the original question:

  • 3√43 = 3*6.6 = 19.8

Which number is an irrational number?StartFraction negative 22 Over 9 EndFraction
Negative StartRoot 3 EndRoot
StartRoot 15 EndRoot




Step-by-step explanation:


B is correct!!!  -squareroot of 3

Step-by-step explanation:

Which model represents the equation 4w+3=3w+6



w=3 (please give me brianliestt!!)

Step-by-step explanation:

4w+3=3w+6 (subtract 3 from both sides)

     -3       -3

4w=3w+3 (subtract 3w on both sides)

-3w  -3w

1w=3 (divide by 1)


2. Mrs. Gardner is buying a television for $675.50 with a sales tax rate of 7%,what is the sales tax amount? What is her total?

Sales Tax:


9514 1404 393


  • $47.29 tax
  • $722.79 total

Step-by-step explanation:

The sales tax is ...

  7% × $675.50 = 0.07 × $675.50 = $47.285 ≈ $47.29

The total purchase price is ..

  $675.50 +47.29 = $722.79

Consider the matrix shown below:




Step-by-step explanation:

P^T is transpote matrix. So the rows of matrix P you write like columns in P^T.

So we have first row: 2, 5, it will be firsl column

2nd row: 8,1 will be 2nd column.

It is matrix:

2 8

5 1

This is matrix a)

Suppose Barbara has a 20 minute commute and scores 67.4 on the survey. Is Barbara more 'well-off than the typical individual who has a 20-ml?


Please find full question attached Answer:

Barbara is not more well off as the typical individual has a higher well being score


please find explanation attached

Final answer:

Barbara's well-being in relation to her commute is dependent on how the survey scoring is interpreted. Based on assumptions, given her 20-minute commute and a survey score of 67.4, she could potentially be considered more 'well-off' than the typical 20-mile individual commuter.


From the information given in the question, it is not clear how the score of 67.4 on the survey relates to Barbara's 'well-being' regarding her commute. However, if we were to make an educated guess, we could say it depends on how the survey scores are distributed. A high survey score could mean that Barbara is more satisfied with her commute, and thus more 'well-off', compared to the typical individual who has a 20 mile commute.

Referring to the information given, 95 percent of individuals have a commute of under 26 minutes, so Barbara's 20-minute commute is well within this range. If the score of 67.4 is considered high (this would depend on the scale or range of scoring used in the survey), then we could potentially consider Barbara to be more 'well-off' than the average individual.

However, please note that this conclusion is based on assumptions, and additional information such as the survey scoring scale and methodology would be needed to provide a more accurate assessment.

Learn more about statistical interpretation here: