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ludmilkaskok [199]
3 years ago
9

From the edge of a 1000-foot cliff, the angles of depression to two cars in the valley are 21° and 28°. How far apart are the ca

rs? Round your answers to the nearest 0.1 feet

Mathematics
1 answer:
lidiya [134]3 years ago
4 0

Answer:

147.8 feet

Step-by-step explanation:

Please refer to the attached file for explanation and the necessary diagram

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The tree diagram represents an
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Answer:

answer is in photo.

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3 years ago
Katherine wants to construct a small box with a volume of 20 cubic inches with the following specifications. The length of a box
kondor19780726 [428]
In this question, you have to form the equation given the formula of the volume : L x W x D
L = W+5
W = W
D = W-1

(W+5)(W)(W-1) = 20
(W^2+5W)(W-1) = 20
W^3+4W^2-5W-20 = 0

Get the roots by factoring it out.
<span>(w +4) *(w +2.236) *(w -2.236)
</span>
So the roots are: -4, -2.236, 2.236.
Since we're talking about dimensions, let's use the positive root..

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4 0
3 years ago
In circle O, BC = 17 and DC = 30. The diagram is not drawn to scale.
Aliun [14]

Applying the secant-tangent theorem, the length of diameter, BA is: A. 52.9.

<h3>What is the Secant-Tangent Theorem?</h3>

Considering the image given, the secant-tangent theorem states that:

DC² = (BC)(BA)

Given the following:

  • BC = 17
  • DC = 30

Substitute the values into the equation

30² = (17)(BA)

900/17 = BA

BA ≈ 52.9

Length of the diameter, BA is: A. 52.9

Learn more about the secant-tangent theorem on:

brainly.com/question/10732273

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8 0
2 years ago
Suppose a sociologist studying the sleep habits of teenagers in the U.S. randomly surveyed 1873 teenagers. Of those, 297 teenage
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\hat{p}=p\pm\frac{\sqrt{p(1-p)}}{\sqrt{n}}\\p=\frac{297}{1873}=0.1586\\ \hat{p}=0.1586\pm\frac{\sqrt{0.1586(1-0.1586)}}{\sqrt{1873}}\\=0.1586\pm\frac{\sqrt{0.1586(0.8414)}}{43.2782}}\\=0.1586\pm\frac{\sqrt{0.1334}}{43.2782}}\\=0.1586\pm\frac{0.3653}{43.2782}}\\=0.1586\pm0.0084
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3 years ago
Which subset of the rational numbers best describes the dimension of a rectangle ?
Alinara [238K]
Either A or D I believe
6 0
3 years ago
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