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Kruka [31]
3 years ago
5

Mark is playing a trivia game. On his first turn, he lost 100 points. On his second turn, he lost 55 points. On his third turn,

he lost 65 points. Enter a sum that models the change to Mark's score after his first three turns. HELPP!!!!!! WORTH 15 POINTSS
Mathematics
2 answers:
den301095 [7]3 years ago
8 0
I swear you just add 100 55 and 65
MrMuchimi3 years ago
3 0

It’s easier to take this question step-by-step.

Mark starts with 0 points.

Since he loses 100 points on his first turn, we can subtract.

0 - 100 = -100

From there, he loses another 55 points, meaning we subtract that from his first-turn total.

-100 - 55 = -155

On his third turn, he loses another 65 points, so we subtract from his second-turn total.

-155 - 65 = -220

Therefore, Mark’s total points at the end of three turns is -220.

Hopefully this helps! :)

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The proportion of a population with a characteristic of interest is p = 0.37. What is the standard deviation of the sampling dis
lukranit [14]

The standard deviation (SD) of a sample proportion obtained when the sample size is 1,600 is equal to 0.0121.

<h3>What is a sample proportion?</h3>

A sample proportion can be defined as the proportion of individuals in a sample that have a specified characteristic or trait.

Mathematically, sample proportion can be calculated by using this formula:

\hat{p} = \frac{x}{n}

Where:

  • x represent the number of individuals with a specified characteristic.
  • n represent the total number of individuals in a sample.

In Mathematics, the standard deviation (SD) of a sample proportion obtained when the sample size is 1,600 can be calculated by using this formula:

Standard deviation (SD) = √(p(1 - p)/n)

Substituting the given parameters into the formula, we have;

Standard deviation (SD) = √(0.37(1 - 0.37)/1,600)

Standard deviation (SD) = √(0.37(0.63)/1,600)

Standard deviation (SD) = √(0.2331)/1,600)

Standard deviation (SD) = √0.0001457

Standard deviation (SD) = 0.0121.

Read more on standard deviation here: brainly.com/question/14467769

#SPJ1

8 0
1 year ago
10. DESIGN Mr. Hagarty is choosing tiles to design a kitche backsplash for a rectangular area 65 inches wide and 9 in tall . Des
DENIUS [597]

Answer:

I honeslty dont know I just need points to answer a question

Step-by-step explanation:

hope you find the answer youre looking for!

4 0
3 years ago
Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint.
Readme [11.4K]

Answer:

the answer is B. (15,4) :

Step-by-step explanation:

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What are the coordinates of the vertex of y=x²+4x+3?​
Travka [436]

Answer:

(-2, -1).

Step-by-step explanation:

y = x² + 4x + 3

Completing the square:

y = (x + 4/2)^2 - (4/2)^2 + 3

y = (x + 2)^2 - 4 + 3

y = (x + 2)^2 - 1.

This is vertex form and the coordinates of the vertex are (-2, -1).

4 0
3 years ago
HELP i cant really understand how to work it out... its algebra btw.
marishachu [46]

Answer:

A because you can go into the numbers evenly

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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