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charle [14.2K]
2 years ago
12

A man stands on a balcony 140 feet up and sees a bus stop at a 75 degree angle How far is the bus stop to the man in nearest fee

t

Mathematics
2 answers:
enyata [817]2 years ago
7 0

Answer:

145 feet  far is the bus stop to the man in nearest feet.

Step-by-step explanation:

Let the height of the balcony from the ground be h and the distance from the bus stop to the man be x.

As per the statement:

A man stands on a balcony 140 feet up and sees a bus stop at a 75 degree angle.

⇒ h = 140 feet and angle of depression= 75^{\circ}

We know that:

Angle of elevation(\theta) = Angle of depression = 75 degree

using the sine ratio we have;

\sin 75^{\circ} = \frac{140}{x}

⇒x = \frac{140}{\sin 75^{\circ}}

⇒x = \frac{140}{0.96592582628}

Simplify:

x = 144.938665 feet

Therefore, 145 feet  far is the bus stop to the man in nearest feet.

lakkis [162]2 years ago
4 0
D = 140 sec Θ models the distance from the man 
<span>to any object given his angle of sight theta. 
</span>after working it out you will find out that the awnser is <span>541 feet</span>
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Point Z is equidistant from the vertices of ΔTUV.
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Answer:

option C. Angle BTZ Is-congruent-to Angle BUZ

Step-by-step explanation:

Point Z is equidistant from the vertices of triangle T U V

So, ZT = ZU = ZV

When ZT = ZU  ∴ ΔZTU is an isosceles triangle ⇒ ∠TUZ=∠UTZ

When ZT = ZV  ∴  ΔZTV is an isosceles triangle ⇒ ∠ZTV=∠ZVT

When ZU = ZV  ∴ ΔZUV is an isosceles triangle ⇒ ∠ZUV=∠ZVU

From the figure ∠BTZ is the same as ∠UTZ

And ∠BUZ is the same as ∠TUZ

So, the statement that must be true is option C

C.Angle BTZ Is-congruent-to Angle BUZ

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2 years ago
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Marcie built a scale model of the tallest building in town with an antenna on top. The model stands 6 2/3 centimeters tall. The
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The answer is 1/2...........

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A coordinate grid with 2 lines. The first line is labeled y equals negative StartFraction 7 over 4 EndFraction x plus StartFract
KengaRu [80]

Answer:

1) (2.2, -1.4)

2) (1.33, 1)

Step-by-step explanation:

Question 1)

Two lines, with their corresponding equations are given and we have to find the solution to the system of equations.

The given lines are:

Equation of Line 1:

y=\frac{-7}{4}x+\frac{5}{2}

This line passes through the points: (0, 2.5) , (2.2, -1.4)

Equation of Line 2:

y=\frac{3}{4}x-3

This line passes through the points (0, -3) , (2.2, -1.4)

By looking at the graph/given data we have to find the solution of these linear equations.

Remember that the solution of linear equations is an ordered pair, through which both the lines pass i.e. the point at which both the given lines intersect is the solution of the linear equations.

From the given data we can see that both the lines pass through one common point, (2.2, -1.4). Since, both lines pass through this point, this means this is the point of intersection of the lines and hence there solution.

So, the answer to this questions is (2.2, -1.4)

Question 2)

The given equations are:

y = 1.5x - 1                                        Equation 1

y = 1                                                  Equation 2

We can solve these equations by method of substitution.

Substituting the value of y from Equation 2, in Equation 1, we get:

1 = 1.5x - 1

1 + 1 = 1.5x

2 = 1.5x

x = 2/1.5

x = 1.33

y = 1

Thus, the solution of the given linear equations is (1.33, 1)

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2 years ago
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Jerome went on a hike. He climbed three-fourths of a mile in two-thirds of an hour. What was his hiking speed in miles per hour?
OlgaM077 [116]
You could do this with fractions. I'll do decimals later.

d = 3/4 mile
t = 2/3 hour
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r = 3/4 // 2/3 Invert and multiply the denominator
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If your calculator handles fractions, you can use it to do this. If not you can change this to a decimal.
d = 3/4 = 0.75 miles
t = 2/3 hour = 0.666666666 hours.
r = ???

d = r*t
r = d/t
r = 0.75 / 0.66666667
r = 1.125 miles / hour
which gives you exactly the same answer 1.125 = 1 1/8


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posledela

Answer: a.) 40320

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Step-by-step explanation:

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Hence, the Number of possible sample space for different 8 positions is by multiplying all the number of ways we have in our sample space which becomes:

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b.) By the sample space we have, since we've been asked ti arrange for only the firat 3 positions, then we multiply just for the first 3ways of choosing the positions, this becomes:

8*7*6 = 336

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