1. Un edificio proyecta una sombra que mide 8 m de largo (Fig. 1.32). Se sabe que
la línea que va desde la punta de la sombra proyectada hasta el sol forma un án-
gulo de 30º con respecto del piso; y si a 1.5 m de distancia de donde termina la
sombra del edificio se alza una vara vertical (apoyada en el piso) de 50 cm de alto
cuyo extremo superior coincida con la línea mencionada:
¿Cuál es la altura del edificio?

Answers

Answer 1

Answer:

El edificio tiene aproximadamente 2,67 metros de altura

Step-by-step explanation:

La información proporcionada son;

La longitud de la sombra proyectada por el edificio = 8 m

El ángulo formado por la línea que va desde la punta de la sombra al Sol = 30 °

La ubicación del poste vertical desde la punta de la sombra = 1,5 m

La altura del poste vertical = 50 cm = 0,5 m

Por tanto, tenemos por triángulos semejantes formados por la punta de la sombra, la altura del poste vertical y la altura, h, del edificio la siguiente relación;

Bronceado (30 °) = h / 8 = 0,5 / 1,5

h = 8 × 0.5 / 1.5 = 8/3 m = ≈ 2.67 metros

La altura del edificio es de aproximadamente 2,67 metros.


Related Questions

QUICK NEED HELP ANSWER THIS QUESTION FOR BRAINLY
A map has a scale of 2 inches : 5 miles. Use the given distance on a map to find the actual distance.

8 in

Answers

Answer:

20 miles

Step-by-step explanation:

2 inches:5 miles

x4          :x4

8 inches:20 miles

Basic needs include food, water, shelter, clothing, and basic medical care.
O a. True
O b. False

Answers

Answer: A

Step-by-step explanation: We need those in order to survive

Answer:

True

Step-by-step explanation:

when surviving you need basics. first, food. you can last 20-30 days without food but you always need it because lasting at least 5 days will make your stomach feel very bad. Now water, you can last 3-6 days without water or some sort of fluid. So this is a priority. Shelter is a priority to because weather is always random. it could start snowing and you get really cold or it rains. You always need to have some sort of a basic shelter. clothing because weather and walking on sorts of ground could hurt, and to stay warm threw harsh times. lastly medical care is a priority because to the slighted cut can be very harmful if it is not takin care of. it could get infected and it could be very bad for the body and you.

(Will give Brainliest)
Round 0.000013094. Write the result as the product of a single digit and a power of 10.
0.000013094 ______

Answers

Answer:

1.3*10^-5

Step-by-step explanation:

Given

0.000013094

Converting to scientific format

0.000013094 = 1.3*10^-5

Answer:

0.000013094 = 1.3*10^-5

what is the quotient of 5/8 divided by 1/4

Answers

Answer:

20/8 or 5/2

Step-by-step explanation:

5/8 times 4/1

Christina is packing different books into boxes. The paperback books weigh 0.8 pounds each. The hardcover books weigh 1.3 pounds each. Christina needs to pack the boxes so that there are at least 20 books in each box, but the boxes cannot weigh more than 30 pounds. Identify Christina's set of constraints. Check all that apply.

Answers

Answer:

[tex]x\geq0, y\geq0, x+y\geq20,[/tex] and [tex]8x+13y\leq300[/tex].

Step-by-step explanation:

Let x and y be the numbers of the paperback book and the hardcover book respectively.

as x and y are the counting numbers, so it will be always positive. So,

[tex]x\geq0\;\dots(i)[/tex] and

[tex]y\geq0\;\cdots(ii)[/tex]

Given that the weight of 1 paperback book=0.8 pounds and

the weight of 1 paperback book=1.3 pounds.

There are at least 20 books in each box, so

[tex]x+y\geq20\;\cdots(iii)[/tex]

As one box cannot weigh more than 30 pounds, so

[tex]0.8x+1.3y\leq30[/tex]

[tex]\Rightarrow 8x+13y\leq300\;\cdots(iv)[/tex]

Now, from the equations (i),(ii),(iii), and (iv), all the sets of constraints as

[tex]x\geq0, y\geq0, x+y\geq20,[/tex] and [tex]8x+13y\leq300[/tex].

Moreover, the sets of all the integral values of (x,y) in the shaded region are the feasible numbers of the paperback book and hardcover book.

A booth at an amusement park sells sandwiches and a variety of sides. Each
sandwich costs $5.25, while the sides are $.75 each. If you ordered one sandwich
and paid $7.50, how many sides did you order? *
Nour answer

Answers

Answer: 3

Explanation: 7.50 - 5.25= 2.25 ÷ .75= 3

Find the slope of the line

Answers

Answer:

0

Step-by-step explanation:

If you sub any points in the gradient formula you will get 0/x (x is just any number) and 0 divided by any number is 0

Answer:

it should be undefined because both points are in different quadrants.

The absolute value function, f(x) = -1x - 3, is shown.
What is the range of the function?
all real numbers
all real numbers less than or equal to 0
all real numbers greater than or equal to -3
all real numbers less than or equal to -3

Answers

Answer:

-3>y

Step-by-step explanation:

Which type of function best models the data in the table below?

x
y
2
4
4
2

6
One and one-third
8
1

10
Four-fifths
inverse variation
linear
logarithmic
quadratic

Answers

Answer: inverse variation

Step-by-step explanation:

The type of function that best models the table is inverse variation. The correct option is A.

What is Inverse Variation?

Inverse variation can be described as a relationship between two variables, whereby, the product of the two variables will give a constant. It is expressed as, k = xy.

In an inverse variation, if one variable increases, the other variable decreases.

The table shows an inverse variation because as x increases, y decreases, and can be expressed as k = xy.

Therefore, the type of function that best models the table given is: A. inverse variation.

Learn more about an inverse variation on:

brainly.com/question/13998680

#SPJ5

Find the distance, to the nearest tenth, from R(7, –7) to U(–3, 2).

Answers

Answer:

The answer is 13.5 units

Step-by-step explanation:

The distance between two points can be found by using the formula

[tex]d = \sqrt{ ({x_1 - x_2})^{2} + ({y_1 - y_2})^{2} } \\[/tex]

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

R(7, –7) to U(–3, 2).

The distance between them is

[tex] |RU | = \sqrt{ ({7 + 3})^{2} + ( { - 7 - 2})^{2} } \\ = \sqrt{ {10}^{2} + ({ - 9})^{2} } \\ = \sqrt{100 + 81} \\ = \sqrt{181} \: \: \: \: \: \: \: \: \: \: \\ = 13.4536240...[/tex]

We have the final answer as

13.5 units to the nearest tenth

Hope this helps you

What is the slope of the line 4x – 2y = 5? –4 –2 2 4

Answers

Answer:

it’s 2. Because you would subtract 4x and then get -2y=-4x+5. Then, you would divide -4 and -2 and get y=2x+5.

The slope of the linear equation or line 4x - 2y = 5 if 2 after converting the line into the standard form option (D) is correct.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The equation of linear equation is:

4x – 2y = 5


As we the slope-intercept form of the line is:

y = mx + c

Convert the linear equation into the above form:

2y = 4x - 5

y = 2x - 5/2

m = 2

Thus, the slope of the linear equation or line 4x - 2y = 5 if 2 after converting the line into the standard form option (D) is correct.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ6

How many dekameters are in 225 millimeters? Use the metric table to help answer the question.
kilo-
1,000
hecto-
100
deka-
10
Metric Table
unit
1
deci-
0.1
centi-
0.01
0.0225 dekameters
0.225 dekameters
225,000 dekameters
2,250,000 dekameters

Answers

Answer:

0.0225

Step-by-step explanation:

Have a great rest of your day or night hope this helps

How do I graph this?

Answers

Use google just copy and paste it

Mrs. Uhalley is planting her fall vegetable garden in the shape of a square. She needs to fence the perimeter of the garden to keep out Peter Rabbit and his friends. If the area of the garden is 100 square feet. How much fencing does Mrs. Uhalley need to purchase for her garden?

Answers

Answer:

400 feet of fencing for her garden.

Step-by-step explanation:

Samuel practices his guitar 1 1 /2 hours a day. This week he has practiced 5 days. How
many hours has he practiced this week?

Answers

Answer:

55/2

27.5

Step-by-step explanation:

Convert the improper fractions to mixed numbers (mixed fractions):

already done

11/2

5

Multiply the two numbers, because you need to find the total number of hours, so therefore you would need to multiply the total number of hours practiced each day by the total number of days

11/2 * 5

55/2

Which picture has a line of symmetry

Answers

add the picture pls

Answer: there is so picture

Step-by-step explanation: it should give you the option when you ask the question it’s the little paper clip

Use the diagram below to find the measure of each angle (4 questions)

Angle EAB *

Angle CAF *

Angle BAD *

Answers

120 degrees
90 degrees
60 degrees

Which list shows the numbers in the table in order from least to greatest?


a

0.7, 65%, 5/8, 2/3



b

0.7, 5/8, 65%, 2/3


c

5/8, 65%, 2/3, 0.7



d

5/8, 2/3, 65%, 0.7

Answers

Answer:

The answer is C

Step-by-step explanation:

5/8 = 0.625 , 65% = 0.65, 2/3 = 0.66 so

o.625 < 0.65 < 0.66 < 0.7

Just round them to the nearest whatever then boom estamate your answer

WILL MARK BRAINLIST

Answers

24 is obviously rounded to 25 and that is how Albert Einstein created the light bulb BOOM science

30 POINTS!!! PLEASE HELP!!! SOLVE EACH ABSOLUTE VALUE!!!! JOKE ANSWERS WILL BE REPORTED! PLEASE SOLVE ALL CIRCLES QUESTIONS:)

Answers

Answer:

#18 [tex]y = - \frac{3}{8} x + 5[/tex]

For this, you can begin by plotting your first point at 5 on the y-axis, since 5 is the y-intercept. Next, from that point, go down 3, and right 8. Draw a line to connect the points.

#20 [tex]y = -2x + 3[/tex]

For this, you can begin by plotting your first point at 3 on the y-axis, then going down 2, and right 1. Draw a line to connect the points.

#22[tex]y = -\frac{3}{5}x + 4[/tex]

For this, you can begin by plotting your first point at 4 on the y-axis. Next, from that point, go down 3, then right 5. Draw a line to connect the points/

#24 y = -1/4 x + [tex]y = -\frac{1}{4}x + 1[/tex]

#26 y = -2x + 3[tex]y = -2x + 3[/tex]

#28 [tex]y= \frac{1}{2}x + 1[/tex]

#30 [tex]y = -\frac{1}{2}x + 2[/tex]

#32 [tex]y = 2x - \frac{3}{4}[/tex]

#34 [tex]y = 4x[/tex]  and The y-intercept represents the distance Jordan has walked so far.

~theLocoCoco

What is the value of x in this simplified expression 7^-9x 7^-3=7^x

Answers

Answer:

x = -12

Step-by-step explanation:

[tex] {7}^{ - 9} \times {7}^{ - 3} = {7}^{x} [/tex]

the base is equal so we can add the number above

[tex] {7}^{ - 9 + ( - 3)} = {7}^{x} [/tex]

[tex] {7}^{ - 12} = {7}^{x} [/tex]

the base is equal so is the number above

-12 = x

What is the slope of the line in the graph?

Answers

Answer:

3/4

Step-by-step exp

Rise over Run. Up three over four. Not sure if it should be positive or negitive. Sorry. Hoped I helped!  

A hot air balloon descends to the ground. The function a(t) = 210 – 15t can be used to describe the altitude of the balloon as it approaches the ground. The time is in minutes.

What does t represent?


What does a(t) represent?

✔ altitude of the balloon

What information will a(5.5) give?

Answers

It represents the missing number

Answer:

1.time after the balloon begins to descend.

2.altitude of the balloon

3.altitude of the balloon after 5.5 minutes

Step-by-step explanation:

40 push ups on 5 days how many push ups per day​

Answers

Answer:

8 pushups per day

Step-by-step explanation:

40 divided by 5.

It would be 8 because you’ll have to divide 40 be 5 to get how much per day

what is the value of y?
A. 56°
B. 68°
C. 44°
D. 112°​

Answers

The answer is 112 so letter D

Answer:

The answer is option B

Step-by-step explanation:

Since the figure above is a triangle all it's interior angles sum up to 180°.

To find y add up all the angles and equate them to 180 and solve for y

That's

y + y - 12 + 56 = 180

2y + 44 = 180

2y = 180 - 44

2y = 136

Divide both sides by 2

We have the final answer as

y = 68°

Hope this helps you

Here is an unlabeled polygon, along with its scaled copies Polygons A–D.

Determine the scale factor for copy A.

Answers

Answer:

5

Step-by-step explanation:

given f(x)=1/3(x-7), what is the value of f(-5)

Answers

Answer:

the value of f(-5) would equal to -4 as the equation turns into 1/3 (-5 - 7) which allows you to multiply it out.

the price of a train ticket consists of an initial fee plus a constant fee per stop. the table compares the number of stops and the price of a ticket(in dollars) plz help

Answers

Answer:

The answer is 1.50

Step-by-step explanation:

Stops Price (dollars)

3              6.50

7         12.50

1         18.50

Answer:

1.  215+2.75⋅S≤21

2. 5 stops

Step-by-step explanation:

Find the value of x.
137°
(4x + 5)
X =

Answers

Answer:

the answer is x=33 so it's 4(33)+5=137

Olivia left at 1:54 to visit her grandma's house. She arrived at 4:57 after driving fifty mph. On the way home, Olivia drove fifty-three mph. How long will it take Olivia to drive home?

Answers

Distance = change in velocity*change in time
We can find the distance to her grandmas house by plugging in the know info.
Her velocity is 50MPH and her change in time is 3 hours and 3 minutes. Change those minutes into hours by diving by 60 minutes. 3/60 = 0.05 hours. So her total time is 3.05 hours. Do 3.05 hours times the 50MPH, notice the hours cancel and you get miles, 152.5 miles.

Now in the second problem, they give rate but we want time now. And we just solved the distance.
152.5 miles = 53MPH(t)
T being the time it takes
Divide the two numbers and the miles unit cancels, and you’re stuck with hours, 2.88 hours.
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