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Nezavi [6.7K]
3 years ago
5

Write the equation of the circle with center (−3, −2) and (4, 5) a point on the circle.

Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0
The answer should be answer choice  b
SSSSS [86.1K]3 years ago
5 0
Your answer should be B
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It's called a decimal.
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4. One printing machine printed 1920 books in 40 hours this week. A
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Then multiply the number by 2
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2 years ago
What is the value of x?<br> (2x-54)<br> (16)°
vagabundo [1.1K]

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2 years ago
The weight of laboratory grasshoppers follows a Normal distribution, with a mean of 90 grams and a standard deviation of 2 grams
JulsSmile [24]

Answer:

95.44% of the grasshoppers weigh between 86 grams and 94 grams.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 90 grams and a standard deviation of 2 grams.

This means that \mu = 90, \sigma = 2

What percentage of the grasshoppers weigh between 86 grams and 94 grams?

The proportion is the p-value of Z when X = 94 subtracted by the p-value of Z when X = 86. So

X = 94

Z = \frac{X - \mu}{\sigma}

Z = \frac{94 - 90}{2}

Z = 2

Z = 2 has a p-value of 0.9772.

X = 86

Z = \frac{X - \mu}{\sigma}

Z = \frac{86 - 90}{2}

Z = -2

Z = -2 has a p-value of 0.0228.

0.9772 - 0.0228 = 0.9544

0.9544*100% = 95.44%

95.44% of the grasshoppers weigh between 86 grams and 94 grams.

5 0
3 years ago
Please only responded if you can help
MAVERICK [17]

Answer:

for the first picture:

1. 1

2. 0.8

3. 0.4

for the second picture:

2,256

srry if i needed to show the steps

4 0
3 years ago
Read 2 more answers
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