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user100 [1]
3 years ago
15

Explain why a two-dimensional net is useful for finding the surface area of a three-dimensional figure. Answer as soon as possib

le plz
Mathematics
1 answer:
Allushta [10]3 years ago
5 0
A two-dimensional net is useful because it flattens the 3-d figure so that you can see all the faces of the figure.  You can calculate the area of each face to find the surface area. 
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Graph each quadratic equation using a table of values. Identify all key characteristics.
adoni [48]

Answer:

See graph below

Step-by-step explanation:

The domain is (-∞,∞) and the range is [1,∞)

5 0
3 years ago
Pls help me asap will mark brainliest if right
Alecsey [184]
I'd say option b, you can learn why by isolating x.
5 0
3 years ago
If 588 digits were used to number the pages of a book, how many pages are in this book?
andre [41]

Answer:

294 pages are in this book

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
So I have another trigonometry question PLZ HELP ME I'm clueless at this rate I have like a little idea but I'm lost, SO PLZZZ!
Sergio039 [100]

Answer:

1) The windsurfer is approximately 580 ft from each lifeguard stand.

2) The distance between the Earth and Mercury is approximately 61 million miles.

Step-by-step explanation:

The image other two situations described is presented in the attached image to this answer.

1) From the attached image, the windsurfer forms a right angled triangle with each of the lifeguard stand and the midpoint between the two lifeguard stands.

Hence, the angle at the top of the triangle is half of 30°, 15° and the distance from the midpoint of the lifeguard stands to the lifeguard stands is 300/2 = 150 ft.

Let the required distance of the windsurfer from each of the lifeguard stands be x.

Using trigonometric relations,

Sin 15° = (150/x)

x = 150 ÷ sin 15° = 150 ÷ 0.2588

x = 579.6 ft = 580 ft to the nearest whole number

2) From the image, the Sun, Earth and Mercury form a triangle.

Let the possible distance between the Earth and Mercury be y.

Using cosine rule,

y² = 36² + 93² - (2×36×93×cos 22°)

y² = 3,736.5769098208

y = √3,736.5769098208 = 61.13 million miles = 61 million miles to the nearest million miles.

Hope this Helps!!!

5 0
3 years ago
Lilia wants to rewrite 10/25 as a percent she decided to represent 10/25 first in a picture a.)how many sets of 25 will she need
neonofarm [45]

Answer:

4 sets of 25

Step-by-step explanation:

100/25 = 4

Not sure what you are asking in the end.

7 0
3 years ago
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