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Jordandenzel
08.07.2020 •
Mathematics
Which of the following statements contain quantitative information? There may be more than one correct answer.
(i) Many Americans have diabetes.
(ii) ABC News reported that the number of Americans that have diabetes could triple in the next 40 years (ABC News,
2010).
(iii) About a fourth of Americans with diabetes are over 65 years old according to the American Diabetes Association
(American Diabetes Association, 2014).
(iv) Diabetes is a terrible disease.
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Ответ:
The second and third statements.
- Hope this helps.
Ответ:
Part A)
Using the Pythagorean theorem you can find the height:
17^2 = 8^2 + x^2
289 = 64 +x^2
x^2 = 289 - 64
x^2 = 225
x = √225
x = 15
The height is 15 cm.
Part B)
Area of the triangular side: 1/2 x 16 x 15 = 120 square cm.
There are two triangles so 120 x 2 = 240 square cm.
One side = 20 x 17 = 340
There are 2 sides so 340 x 2 = 680 square cm.
The bottom is 16 x 20 = 320 square cm.
Total cardboard needed: 240 + 680 + 320 = 1,240 square cm.