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shusha [124]
2 years ago
15

How far do US workers travel to get to their jobs? A researcher would like to collect information on the commute distance travel

ed by workers and considers many methods for collecting data. Which of the following methods represents a voluntary response sample?
Workers are invited to share their daily commute distance on a website.
Workers at a large company are each asked to share their daily commute distance.
The researcher stands in a public area and asks each adult to share their daily commute distance.
The researcher takes a random sample of adults from a large town and asks each to share their daily commute distance.
Mathematics
1 answer:
Liono4ka [1.6K]2 years ago
4 0

The first answer I have to just guess.

Step-by-step explanation:

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pogonyaev

Answer:

Option A - Neither. Lines intersect but are not perpendicular. One Solution.

Option B - Lines are equivalent. Infinitely many solutions

Option C - Lines are perpendicular. Only one solution

Option D - Lines are parallel. No solution

Step-by-step explanation:

The slope equation is known as;

y = mx + c

Where m is slope and c is intercept.

Now, two lines are parallel if their slopes are equal.

Looking at the options;

Option D with y = 12x + 6 and y = 12x - 7 have the same slope of 12.

Thus,the lines are parrallel, no solution.

Two lines are perpendicular if the product of their slopes is -1. Option C is the one that falls into this category because -2/5 × 5/2 = - 1. Thus, lines here are perpendicular and have one solution.

Two lines are said to intersect but not perpendicular if they have different slopes but their products are not -1.

Option A falls into this category because - 9 ≠ 3/2 and their product is not -1.

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Option B falls into this category.

8 0
3 years ago
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kirza4 [7]

Answer:

<em>m∠ FAE = 20°, m∠ CAD = 60°</em>

Step-by-step explanation:

If you take a look at the picture below, this explanation proves that the measure of FAE ⇒ 20°, and m∠ CAD = 60°;

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Answer:

Now,a

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and

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8 0
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