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ICE Princess25 [194]
3 years ago
11

Suppose a new regulation that a maximum angle of a ramp for a wheelchairs is 8°. At least how long must the new ramp be? Round t

o the nearest tenth of a foot.
Mathematics
1 answer:
Llana [10]3 years ago
3 0

Answer:

The length of the ramp is at least 17.2 feet

Step-by-step explanation:

See attachment for the appropriate diagram.

The length of the ramp is represented with z

So, we have:

\theta = 8

BC = 2.4

Required

Find z

To find z, we make use of sine formula:

sin\theta = \frac{BC}{z}

Make z the subject

z= \frac{BC}{sin\theta }

So:

z= \frac{2.4}{sin(8)}

z= \frac{2.4}{0.1392}

z= 17.2ft

<em>The length is at least 17.2 feet</em>

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Answer:

Step-by-step explanation:

B

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5 0
3 years ago
The asking price for homes on the real estate market in Baltimore has a mean value of​ $286,455 and a standard deviation of​ $11
Stella [2.4K]

Answer:

c)

Step-by-step explanation:

The asking price in Baltimore has a mean value of $286,455 and a standard deviation of $11,200; this means that most houses prices fall between $275,255 and $297,655.

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The problem tells us that one home sold in each city where the asking price for each home was $193,000. In the case of Denver this would be expected (values usually fall between 180,000 and 196500 approximately).

However, the house in Baltimore is relatively farther from the mean than the one in Denver because the price is more than one standard deviation away from the mean.

Therefore, the correct answer is C. The house in Baltimore is relatively farther from the mean than the house in Denver.

6 0
3 years ago
Find the value of x in each figure
Angelina_Jolie [31]

Answer:

20...90°-46°

=44°

therefore 44÷4

=11

therefore x=11

21....90°-20°

=70°

70-15

=55

therefore x=55°

22...90°÷3

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6 0
3 years ago
Which of the following pairs of points both lie on the line whose equation is 3x-y=2?
zalisa [80]
Though you did not list the points, I can tell you how to solve for the question.

One way to tell if a point lies on a given line is to take the point and plug it into the equation. If the equation remains true, then the point lies on the line. For example:

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3 0
3 years ago
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