![krocker58](/avatars/19953.jpg)
krocker58
17.11.2020 •
Mathematics
Contractor needs to pour a concrete floor in the shape of a rectangle. The figure shows the design for the concrete floor.
40 ft
30 ft
30 ft
40 ft
The contractor uses the converse of the Pythagorean theorem to prove that the floor is rectangular. How can he do this?
А
He can show that 30 + 40 equals the square of the length of each diagonal.
B
He can show that 40 - 30 equals the square of the length of each diagonal.
С
He can show that 302 + 402 equals the square of the length of each diagonal
D
He can show that 402-302 equals the square of the length of each diagonal
Solved
Show answers
More tips
- S Science and Technology QR Code: How it Works and Why You Need it?...
- C Computers and Internet Dropbox: What is it and How to Use it...
- H Health and Medicine How to Increase Hemoglobin in the Blood...
- A Animals and plants How to Store Carrots: Tips for Homeowners...
- L Legal consultation Juvenile Justice: Who Needs It?...
- F Family and Home How to Choose the Best Diapers for Your Baby?...
- F Family and Home Parquet or laminate, which is better?...
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
- L Leisure and Entertainment How to Make a Paper Boat in Simple Steps...
- T Travel and tourism Maldives Adventures: What is the Best Season to Visit the Luxurious Beaches?...
Answers on questions: Mathematics
- M Mathematics Reciprocal of zero is...
- M Mathematics Pls help with shown work part dos...
- M Mathematics Find the slope of the line that passes through (4,4) and (-4,6). need asap for homework you...
- S Spanish Elige. Select the best answer to describe how each person feels. 1. ¡No hay examen hoy! . Estoy triste -- Estoy enojada -- Estoy nerviosa -- Estoy contenta 2. Tengo un examen...
- E English Jane is at the bookstore. she wants to buy a book for her 7-year-old niece. which books would be the correct choice for the child? a cat in a red-and white-striped hat entertains...
- M Mathematics 4(n+7) is equivalent (n+p)4...
- H History Which of the following BEST describes the economic situation for most African Americans in the South following the Ciivi War? A African Americans mostly worked in factories...
Ответ:
A
Step-by-step explanation:
I would go with A. If this is wrong I'm so so so sorry, Although this is still what I think is correct.
Ответ:
It is said that the higher the point estimate, the better. I think this deals with the confidence level of the sample derived from the population. The higher the confidence level, the closer the point estimate is to the actual parameter value.