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igomit [66]
2 years ago
10

Solve for xx. Round to the nearest tenth of a degree, if necessary.

Mathematics
1 answer:
Oliga [24]2 years ago
7 0

Answer:

62.7°

Step-by-step explanation:

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I've attached the complete question.

Answer:

Only participant 1 is not cheating while the rest are cheating.

Because only participant 1 has a z-score that falls within the 95% confidence interval.

Step-by-step explanation:

We are given;

Mean; μ = 3.3

Standard deviation; s = 1

Participant 1: X = 4

Participant 2: X = 6

Participant 3: X = 7

Participant 4: X = 0

Z - score for participant 1:

z = (x - μ)/s

z = (4 - 3.3)/1

z = 0.7

Z-score for participant 2;

z = (6 - 3.3)/1

z = 2.7

Z-score for participant 3;

z = (7 - 3.3)/1

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Z-score for participant 4;

z = (0 - 3.3)/1

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Now from tables, the z-score value for confidence interval of 95% is between -1.96 and 1.96

Now, from all the participants z-score only participant 1 has a z-score that falls within the 95% confidence interval.

Thus, only participant 1 is not cheating while the rest are cheating.

8 0
3 years ago
If you ate 1/5 of the desert served at<br> dinner, what percent of the food did you<br> eat?
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20% of food is eater. 1 divided by 5 is 0.2. You move the decimal 2 unites which would be 20.
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Solve: $|2x - 1| = |3x + 5|$. write your answers as a list of numbers, separated by commas,
emmainna [20.7K]
First, disregard the sign for absolute value and solve for x. 

2x - 1 = 3x + 5
2x - 3x = 5 + 1
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x = -6

Now, you have to interpret the absolute value. The absolute value of x is always the positive version of whatever the number is. Since x = -6, its absolute value is 6. Therefore, the possible value for x is only one, which is 6.
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This equation will be in standard form if you subtract 2x2 from both sides and
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Answer:

The answer is false

Step-by-step explanation:

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Answer: your answer you are seeking is D

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3 years ago
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