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Ronch [10]
3 years ago
15

Martina is currently 14 years older than her cousin Joey. In 5 years she will be 3 times as old as Joey. How old is Martina? How

old is Joey?
Mathematics
1 answer:
Rufina [12.5K]3 years ago
5 0

Answer:

Joey is 2 years old and Martine is 16 years old.

Step-by-step explanation:

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Nissan wants to administer a satisfaction survey to its current customers. Using their customer​ database, the company randoml
Irina-Kira [14]

Answer: simple random sampling

Step-by-step explanation:

  • A simple random sampling is a sampling method in which individuals are chosen randomly from the population. In this each individual has equal chances to get selected.
  • If N is the population size , then for any individual , the chances for getting selected is \dfrac{1}{N}.

As per given , the company randomly selects 50 customers directly from the database without applying any further steps and asks them about their level of satisfaction with the company.

Thus , the sampling technique used here is simple random sampling.

3 0
3 years ago
Pls help me tysm if you can!!
Mice21 [21]
The answer is 0.687.
8 0
3 years ago
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What set of reflections would carry rectangle ABCD onto itself?
Dvinal [7]

Answer:

  y=x, x-axis, y=x, y-axis

Explanation:

Reflecting the figure across three axes just moves it from one quadrant to another. It does not map the figure to itself.

Reflecting across the line y=x moves it from quadrant II to IV or vice-versa. If it is in quadrant I or III, it stays there. So the sequence of reflections x-axis (moves from I to IV), y=x (moves from IV to II), x-axis (moves from II to III), y=x (stays in III) will not map the figure to itself.

However, the last selection will map the figure to itself. The initial (and final) figure location, and the intermediate reflections are shown in the attached. The figure starts and ends as blue, is reflected across y=x to green, across x-axis to orange, across y=x to red, and finally across y-axis to blue again.

7 0
3 years ago
In an experiment, a coin is flipped 600 times. The coin landed on tails 272 times. Which of the following statements is true?
balandron [24]

Answer:i feel like its most likely gonna be the last one

Step-by-step explanation:

3 0
3 years ago
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Last question ;-; i think...<br><br> 10 pnts
Ghella [55]

Answer:

a) -11

b) 75

Step-by-step explanation:

a= -24-13=-11

b= 61-(-14)=75

6 0
3 years ago
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