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valentinak56 [21]
3 years ago
13

When a person 6 feet tall casts a shadow

Mathematics
2 answers:
yan [13]3 years ago
5 0

Answer:

75 feet

Step-by-step explanation:

amm18123 years ago
5 0

Answer:

27

Step-by-step explanation:

Proportion

6 feet man/10 feet shadow = x (tree) / 45 feet (shadow)

6/10 = x /45            Cross multiply

10x = 45*6

10x = 270

x = 270/10

x = 27

The tree is 27 feet long

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Below is a drawing of a wall that is to be covered with either wallpaper or paint. The wall is 8 ft. high and
Snowcat [4.5K]

84 sq. ft of the wall has to be covered with paint or wallpaper.

Step-by-step explanation:

  • Step 1: Find the area of wallpaper to be covered by calculating the area of the wall and subtracting the areas of the window, mirror and fireplace from it. All are rectangular in shape with are given by A = length × width

Area of the wall = 8 × 16 = 128 ft²

Area of the window = 18/12 × 14 = 1.5 × 14 = 21 ft² (since 1 ft = 12 in)

Area of the fireplace = 5 × 3 = 15 ft²

Area of the mirror = 4 × 2 = 8 ft²

  • Step 2: Calculate the area to be painted or covered with wallpaper

Area of the wall to be covered with paint or wallpaper = 128 - (21 + 15 + 8)

                              = 128 - 44

                              = 84 ft²

5 0
4 years ago
Read 2 more answers
a cube measuring 1 cm on each side, what is the volume, if the cube was dropped into 28ml of water. what would the
ad-work [718]

Answer:

29 ml

Step-by-step explanation:

Vcube = 1cm×1cm×1cm = 1 cm³

1 cm³ = 1 ml

If this cube is dropped into a 28ml of water the new reading will be 29 ml.

hope this helped :)

3 0
4 years ago
Which transformations could have taken place? select two options. r0, 90° r0, 180° r0, 270° r0, –90° r0, –270°
Lelechka [254]

The complete question is

"One vertex of a polygon is located at (3, –2). After a rotation, the vertex is located at (2, 3). Which transformations could have taken place? Select two options. R0, 90° R0, 180° R0, 270° R0, –90° R0, –270°"

The transformations that could have taken place are R0, 270°or R0, -90°

Let the vertex be V.

So, we have:

V = (3, –2)  before rotation

V' = (2, 3) after rotation

The possible transformations from V to V' are;

A 90 degrees counterclockwise rotation (r0, -90) is given :

(x, y) --(-y , x)

So,

(3, –2) --- (2, 3)

A 270 degrees clockwise rotation (r0, 270) is given :

(x, y) --(-y, x)

So,

(3, –2) --- (2, 3)

By comparing the endpoints of the rotations to V' = (2, 3), we can conclude that the transformations that could have taken place are: r0, 270°or r0, -90°.

Read more about transformations at:

brainly.com/question/11707700

#SPJ1

7 0
3 years ago
32 x 12.71 pls help me
faust18 [17]

Answer:

406.72

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
20 points!! Pls help
Studentka2010 [4]

Answer:

<h3>(-4, 1)</h3>

Step-by-step explanation:

-x-3=y, therefore x = -y-3

-3x - 8y = 4

Find the value of y

Substitute the x in -3x - 8y = 4 with -y-3

We get

-3·(-y-3) - 8y = 4

3y + 9 - 8y = 4

-5y = 4-9

-5y = -5

<h3>y = 1</h3>

_______________

Find the value of x

x = -y-3

x = -1-3

<h3>x = -4</h3>

_______________

Answer (x, y) =

<h3>(-4, 1)</h3>

_____________________

#IndonesianPride - kexcvi

5 0
3 years ago
Read 2 more answers
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