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bekas [8.4K]
3 years ago
11

Item 8 A dog is leashed to the corner of a house. How much running area does the dog have? Round your answer to the nearest squa

re foot, if necessary. The dog has about square feet of running area.
Mathematics
1 answer:
Scilla [17]3 years ago
7 0

Complete Question:

A dog is leashed to the corner of a house with a 15 foot leash. How much running area does the dog have? Round your answer to the nearest square foot.

Answer:

The dog has about 707 square feet of running area.

Step-by-step explanation:

From the illustration in the question, one can conclude that the dog can travel in a circular path.

So, the length of the leash represents the radius and we are to calculate the required area using the area of a circle.

We have:

Radius = 15ft

Area = \pi r^2

Where

r = Radius = 15 and \pi = 3.14

So:

Area = 3.14 * 15^2

Area = 3.14 * 225

Area = 706.5ft^2

Area = 707\ ft^2

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Find the surface area to the nearest tenth
zlopas [31]

Answer: A. 184.8ft2

Step-by-step explanation:

The pyramid is made up of four sides that are rectangular, each side has a height of 12.4ft and base length of 6ft.

The base area is a square of 6ft by 6ft.

For the sides, area of a triangle is 1/2 x base x height

= 1/2 x 6 x 12.4 = 37.2m2

For the four triangles = 4 x 37.2 = 148.8m2

For the square base, area is 6 x 6 = 36m2

Total surface area = 148.8 + 36 = 184.8ft2

3 0
3 years ago
Read 2 more answers
LaTeX: \sqrt[]{36} 36 2) LaTeX: \sqrt[3]{-8} − 8 3 3) LaTeX: -\sqrt[]{100} − 100 4) LaTeX: \sqrt[3]{27} I'm sorry that's the bes
Mamont248 [21]

Given:

Consider the expression are

1) \sqrt{36}

2) \sqrt[3]{-8}

3) -\sqrt{100}

4) \sqrt[3]{27}

To find:

The simplified form of each expression.

Solution:

1. We have,

\sqrt{36}=\sqrt{6^2}

\sqrt{36}=6

Therefore, the value of this expression is 6.

2. We have,

\sqrt[3]{-8}=(-8)^{\frac{1}{3}}

\sqrt[3]{-8}=((-2)^3)^{\frac{1}{3}}

\sqrt[3]{-8}=(-2)^{\frac{3}{3}}

\sqrt[3]{-8}=-2

Therefore, the value of this expression is -2.

3. We have,

-\sqrt{100}=-\sqrt{10^2}

-\sqrt{100}=-10

Therefore, the value of this expression is -10.

4. We have,

\sqrt[3]{27}=(27)^{\frac{1}{3}}

\sqrt[3]{27}=(3^3)^{\frac{1}{3}}

\sqrt[3]{27}=(3)^{\frac{3}{3}}

\sqrt[3]{27}=3

Therefore, the value of this expression is 3.

3 0
3 years ago
What is the approximate angle measure for angle W in the triangle below?
Artyom0805 [142]
In this case we know the three sides of the triangle, then this is a SSS triangle (Side Side Side). To solve this case, first we must use the Law of Cosines, applied to the opposite side to the angle we want to find.
We want to find angle W, and its opposite side is XV, then we apply the Law of Cosines to the side XV:
XV^2=XW^2+WV^2-2(XW)(WV)cos W
Replacing the known values:
116^2=96^2+89^2-2(96)(89)cos W
Solving for W
13,456=9,216+7,921-17,088 cos W
13,456=17,137-17,088 cos W
13,456-17,137=17,137-17,088 cos W-17,137
-3,681=-17,088 cos W
(-3,681)/(-17,088)=(-17,088 cos W)/(-17,088)
0.215414326=cos W
cos W = 0.215414326

Solving for W:
W= cos^(-1) 0.215414326
Using the calculator:
W=77.56016397°
Rounded to one decimal place:
W=77.6°

Answer: Third option 77.6°
3 0
3 years ago
Hit 96 must play 3minutes of commercials for every 30 minutes of music played how many minutes of commercials must be played for
Vinil7 [7]

Answer:

21

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
____times 10=662.2<br> ____times 100=403<br> ____times 1000=108
Nutka1998 [239]

Answer:

<u>66.22 </u>times 10=662.2

<u>4.03 </u>times 100=403

<u>0.108 </u>times 1000=108

Step-by-step explanation:

662.2  ÷ 10

403  ÷ 100

108 ÷ 1000

6 0
2 years ago
Read 2 more answers
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