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Furkat [3]
2 years ago
7

Mark wants to determine the height, x, of a nearby tree. he stands 47 feet from the base of the tree. The measure of the angle o

f elevation from Mark to the top of the tree is 36°
If it's not too much to ask, may I please have some help with this? I have SBA math coming up and my math teacher is overwhelming us with practice he and I remember nothing from Geo. Help would be very much appreciated. Thank you so much!! (will give brainliest)

Mathematics
1 answer:
Alex777 [14]2 years ago
8 0

\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the concept of Trigonometry.

I think last two are correct that is

x = 47 tan36°

and

x = 47/tan54°

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What is the probability of getting tails 4 times in a row while flipping a coin?
skelet666 [1.2K]

Answer:

P=0.0625

Step-by-step explanation:

The probability of getting one tails is a half.

The probability of getting another tails given you had a tails is:

\frac{1}{2}*\frac{1}{2}=(\frac{1}{2})^2=\frac{1}{4}

The probability of getting n tails in general is given by:

(\frac{1}{2})^n = \frac{1}{2^n}

So, when we have four tails - our value for n is four.

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At what values of x, does f(x) = 0?
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Answer:

C. 4,   D. 2,   A. -1

Step-by-step explanation:

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2 years ago
5. The width of a row of identical townhouses,
Serjik [45]

Answer:

a. The value of the constant k is 21

b. The equation is y = k * x, where k is the proportionality constant, "x" is the number of terraced houses and "y" is the width of a row of identical houses.

Step-by-step explanation:

a.

<em>A proportional relationship satisfies the equation y = k * x, where k is a positive constant and is called a proportionality constant. In this case "x" is the number of terraced houses and "y" is the width of a row of identical houses. </em>

The data you have is that the width of 5 townhouses are 105 feet. This means that the value of "x" is 5 houses and the value of "y" is 105 feet. By replacing in the equation y = k * x and isolating the constant k, you get:

<em>105=k*5 </em>

k=\frac{105}{5}

<em>k=21 </em>

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b.

<em>As mentioned, the equation is y = k * x, where k is the proportionality constant, "x" is the number of terraced houses and "y" is the width of a row of identical houses.</em>

This means that just as "x" increases, "y" increases. And that if "x" decreases, "y" will decrease. And this relationship between "x" e "and" will always be the same, determined by the value of the constant "k".

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