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Paraphin [41]
3 years ago
9

Which describes the effect factories had on rivers during the Industrial Revolution? Factories created soot that fell into the r

iver during the manufacturing process. Factories created acid rain that fell into the river during the manufacturing process. Factories caused minor environmental problems by dumping waste into the river. O Factories caused major environmental problems by dumping waste into the river.​
History
1 answer:
-BARSIC- [3]3 years ago
6 0

Answer:

Factories caused major environmental problems by dumping waste into the river

Explanation:

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Thinkers and leaders other than Martin Luther King Jr. have created tension to bring about change.
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Explanation:

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A monopoly will have higher output (more production) than in a perfectly competitive market?
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Answer:

True

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6 0
3 years ago
An hourly wage is normally distributed with a mean of $6.75 and a standard deviation of $0.55. What is the probability that an e
monitta

Answer:

Option A. 81.5%

Explanation:

Population mean, \mu = 6.75

Standard deviation, \sigma = 0.55

The question is to find p(5.65 < \bar{x} < 7.30)

The z value is given by the formula:

z = \frac{\bar{x} - \mu}{\sigma}

z - value corresponding to the mean, \bar{x} = 5.65:

z_1 = \frac{5.65 - 6.75}{0.55}\\z_1 =-2.0

z - value corresponding to the mean, \bar{x} = 7.30:

z_1 = \frac{7.30 - 6.75}{0.55}\\z_1 =1.0

p(5.65\leq  \bar{x} \leq 7.30) = p(-2.0 \leq  z \leq  1.0)\\p(-2.0 \leq  z \leq  1.0) = p(z\leq 1) - p(z\leq -2)\\ p(-2.0 \leq  z \leq  1.0) = 0.84134 - 0.02275\\p(-2.0 \leq  z \leq  1.0) = 0.81859 \\p(-2.0 \leq  z \leq  1.0) = 0.82

Probability that an employee’s hourly wage is between $5.65 and $7.30 = 81.5%

4 0
3 years ago
Complete the paragraph about the Cherokee Indians during Andrew jacksons presidency ?
vlabodo [156]

Answer:

Explanation:

The Treaty of New Echota was a forced agreement between the cherokees and the federal government. Around 20,000 cherokees were marched by us troops and state militias to the Indian territory.

The march from the cherokees’s tribal homes to Indian territory was called the Trial of Tears.

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3 years ago
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