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chubhunter [2.5K]
3 years ago
12

25+29=9v solve for v

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
8 0
The answer is V= 6 :)
AlexFokin [52]3 years ago
6 0

Answer: 486

Step-by-step explanation:

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A tower that is 166 feet tall casts a shadow 167 feet long. Find the angle of elevation of the sun to the
Ira Lisetskai [31]

Answer:

The angle is approximately 45^\circ.

Step-by-step explanation:

We should start with a diagram (like the one attached). Notice the length of the tower and the length of the shadow are the legs of a right triangle, and the angle of elevation is an acute angle of that triangle.

Since we are given the opposite and adjacent sides to the angle, we will use the tangent function:

\tan{\theta}=\frac{\text{opposite side}}{\text{adjacent side}}

In this case, the opposite side is the height of the tower, 166 ft. The adjacent side is the length of the shadow, 167 ft. So, we have:

\tan{\theta}=\frac{166}{167}

To get the angle, we need to use inverse tangent:

\theta=\tan^{-1}(\frac{166}{167})\\\theta \approx 45

The angle is approximated 45^\circ when rounded to the nearest degree.

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3 years ago
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frosja888 [35]

Answer:

Step-by-step explanation:

That's an awful lot of points. You don't have to give that many. 10 or 15 points would be more than enough.

The graph touches the x axis at 1 point. That means its basic formula is y = (x - a)^2

Since it  upside down, the formula is y = -(x - a)^2. A couple of other things are true.

a = 1 because that's where the graph touches the x axis. y = - x^2 has shifted 1 unit to the right.

Finally the y intercept is -4 which means that the final equation is y = -4(x-1)^2

That's all preliminary. The actual question is, what does the discriminate look like?

y = -4(x^2 - 2x + 1)

y = -4x^2 + 8x - 4

a = - 4

b = 8

c = - 4

sqrt(b^2 - 4ac)

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sqrt(64 - 64) = 0

The answer is the third one. The answer will always be 0 when the graph touches the x axis and does not go through it.

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Step-by-step explanation:

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Determine is an outlier is present in the given data set: 43, 69, 78, 88, 54, 73, <br> 54, 59,70
kodGreya [7K]

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43

Step-by-step explanation:

43 is the most the lowest number while the others are around the same range

Hope this helps! Pls mark brainliest!

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yeah i just need the points here
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