1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
alekssr [168]
3 years ago
12

a person stands on top of a 200 ft building and spots a person on the ground below. the angle of depression from where the perso

n is standing on top of building to the person on the ground is 39°. How far away are the two people from each other?​
Mathematics
1 answer:
PolarNik [594]3 years ago
6 0

Answer:

246.979 ft

Step-by-step explanation:

When we draw our picture, we should be able to see that the angle of depression from the point of view is equal to the angle of elevation from the ground. We also know the height, and we are trying to find horizontal <em>x</em>. We must use tan∅ to solve:

tan39° = 200/x

xtan39° = 200

x = 200/tan39°

x = 246.979

You might be interested in
What is the solution to this inequality?
AlladinOne [14]

Answer:

D

Step-by-step explanation:

The answer is D, because when you divide x by a negative the sign changes

7 0
2 years ago
William had $500 in his bank account. He purchased textbooks for $285. He wants to spend the remaining amount of money on meals.
spin [16.1K]

Answer: 35 meals

Step-by-step explanation:

$500-$285=$215

$215/$6=35.8333333333

so, about 35 meals

6 0
2 years ago
4 ounce bottle of medicine contains 20 doses how many doses are in a 13 ounce of all of the same medicine
NNADVOKAT [17]
\bf \begin{array}{ccllll}&#10;ounces&doses\\&#10;\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\&#10;4&20\\&#10;13&x&#10;\end{array}\implies \cfrac{4}{13}=\cfrac{20}{x}

solve for "x"
3 0
3 years ago
Read 2 more answers
Se quiere construir un muro de 4 m de alto, 12 m de largo y 10 cm de espesor. ¿Cuántos ladrillos de 8 cm de alto, 20 cm de largo
Llana [10]

Answer:

3000

Step-by-step explanation:

Let's start by finding the volume of the wall. The volumen of the wall can be considered as the volume of a rectangular prism. The volume of a rectangular prism is given by:

V_w=w*l*h\\\\Where:\\\\w=Width=10cm=0.1m\\l=Length=12m\\h=Height=4m

So the volume of the wall is:

V_w=0.1*12*4=4.8m^3

Now, we can find the volume of the brick using the same method since a brick can be considered as a rectangular prism as well:

V_b=w*l*h\\\\For\hspace{3}the\hspace{3}brick\\\\w=10cm=0.1m\\l=20cm=0.2m\\h=8cm=0.08m

Hence:

V_b=(0.1)*(0.2)*(0.08)=0.0016m^3

In order to know how many bricks are required to build the wall, we just need to fill the wall volume with the number of bricks of this volume. So:

V_w=nV_b\\\\Where\\\\n=Number\hspace{3}of\hspace{3}bricks

Solving for n:

n=\frac{V_w}{V_b} =\frac{4.8}{0.0016} =3000

Therefore, we need 3000 bricks to build that wall.

Translation:

Comencemos por encontrar el volumen del muro. El volumen del muro puede considerarse como el volumen de un prisma rectangular. El volumen de un prisma rectangular viene dado por:

V_w=w*l*h\\\\Donde:\\\\w=Espesor=10cm=0.1m\\l=Largo=12m\\h=Alto=4m

Entonces el volumen del muro es:

V_w=0.1*12*4=4.8m^3

Ahora, podemos encontrar el volumen del ladrillo utilizando el mismo método, ya que un ladrillo también puede considerarse como un prisma rectangular:

V_b=w*l*h\\\\Para\hspace{3}el\hspace{3}ladrillo\\\\w=10cm=0.1m\\l=20cm=0.2m\\h=8cm=0.08m

Por lo tanto:

V_b=(0.1)*(0.2)*(0.08)=0.0016m^3

Para saber cuántos ladrillos se requieren para construir el muro, solo necesitamos llenar el volumen del muro con la cantidad de ladrillos de este volumen. Entonces:

V_w=nV_b\\\\Donde\\\\n=Numero\hspace{3}de\hspace{3}ladrillos

Resolviendo para n:

n=\frac{V_w}{V_b} =\frac{4.8}{0.0016} =3000

Por lo tanto, necesitamos 3000 ladrillos para construir ese muro.

4 0
3 years ago
G(t)=(t−7)(t+6)<br> What is the domain of gg?
Oxana [17]

Answer:

All Real Numbers

Step-by-step explanation:

g(t) = (t − 7)(t + 6)

= t^2 - t - 42

This is a parabola which opens upwards.

The domain is All Real Numbers

5 0
2 years ago
Other questions:
  • Find the range for f(x) = x2 + 1, for x &lt; 0. <br> y ≥ 1<br> y &gt; 1<br> y &lt; 1<br> y ≤ 1
    12·1 answer
  • What is the solution to the linear equation?<br><br> –12 + 3b – 1 = –5 – b
    7·2 answers
  • Amanda is cooking a turkey for dinner. The recipe says that the turkey should cook for 1\dfrac121 2 1 ​ 1, start fraction, 1, di
    15·1 answer
  • Caroline made w batches of 12 cookies how many cookies did she make?<br>(12 cookies in each batch)
    9·2 answers
  • Help. The graph shows the system of equations below. <br> 2x -3y = -6 <br> y = - 1/3x -4
    7·1 answer
  • I WILL MARK BRAINIEST
    15·1 answer
  • HELP ME PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!
    13·1 answer
  • Complete the tables of values.<br> Q1) y = x2 - 2x + 4<br> x -1 0 1 2 3<br> y
    12·1 answer
  • Heyyy I’m studying for a test I forgot how to do that type of problem can someone please explain how you can solve it.
    9·2 answers
  • How do you solve 32 - 6x = 53?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!