Mathematics, 23.01.2020 23:31 Joejoe1813
To the nearest tenth of a cubic inch, how much volume is added to a spherical balloon whose radius grows from 10 to 20 inches long?
a) 8245.7 in3
eliminate
b) 17367.6 in3
c) 29321.5 in3
d) 41225.4 in3
Answers: 3
![\bf \begin{array}{llll} \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=10 \end{cases} \\\\\\ V=\cfrac{4\pi 10^3}{3}\implies V=\cfrac{4000\pi }{3} \end{array}~\hfill \begin{array}{llll} \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=20 \end{cases} \\\\\\ V=\cfrac{4\pi 20^3}{3}\implies V=\cfrac{32000\pi }{3} \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}](/tpl/images/0467/9763/d94d0.png)
Another question on Mathematics
Mathematics, 21.06.2019 20:00
An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
Answers: 1
Mathematics, 21.06.2019 21:30
Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true
Answers: 2
Mathematics, 21.06.2019 21:30
Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph
Answers: 1
You know the right answer?
To the nearest tenth of a cubic inch, how much volume is added to a spherical balloon whose radius g...
Questions
Mathematics, 26.01.2022 14:00
History, 26.01.2022 14:00
English, 26.01.2022 14:00
SAT, 26.01.2022 14:00
Mathematics, 26.01.2022 14:00
