mommer2019
14.07.2019 •
Mathematics
Gets brainliest and 11pts! the volume of two spheres is shown: sphere a = 40 cubic inches sphere b = 10 cubic inches how many inches more is the radius of sphere a than the radius of sphere b? round your answer to the nearest tenths. (use π = 3.14.) multiple choice: a. 2.1 inches b. 1.3 inches c. 0.8 inch d. 0.4 inch
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Ответ:
Volume sphere A V1 = (4/3)πR³
R=∛((3/4)V1/π)
Volume sphere B V2= (4/3)πr³
r=∛((3/4)V2/π)
R-r = ∛((3/4)40/π) - ∛((3/4)10/π) ≈ 0.8 inch
Answer C. 0.8 inch.
Ответ:
2. false - compare to 3.
3. TRUE - compare to 4.
4. TRUE - the sum of exernal angles of any convex polygon is 360°
5. false - compare to 4.
6. false - compare to 7.
7. TRUE - the angles are supplementary
8. false - compare to 4.
The true statements are 1, 3, 4, 7.