2 years ago

Circle A has center of (2,8), and a radius of 2 and circle B has a center of (5,

Mathematics

1 answer:

Schach [20]2 years ago

3 0

C I jus took the test

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Quick calculus question work doesn't have to be shown

Vinil7 [7]

$\bf \textit{volume of a sphere}\\\\
V=\cfrac{4\pi r^3}{3}\implies V=\cfrac{4\pi }{3}r^3
\\\\\\
\cfrac{dV}{dt}=\cfrac{4\pi }{3}\cdot \stackrel{chain~rule}{3r^2\cdot \cfrac{dr}{dt}}\quad 
\begin{cases}
\frac{dr}{dt}=50\\
r=6
\end{cases}\implies \cfrac{dV}{dt}=\cfrac{4\pi }{3}\cdot 3(6)^2\cdot 50\\\\\\ \cfrac{dV}{dt}=\stackrel{\frac{cm^3}{s}}{7200\pi}$

5 0

3 years ago

A professor wants to award prizes for 1st, 2nd, 3rd, 4th and 5th in the class of 30. In how many ways can the prizes be awarded

aniked [119]

Answer:

$Selection = 17100720\ ways$

Step-by-step explanation:

Given

$Students = 30$

$Positions = 5$ i.e. first to fifth

Required

Determine number of selection

1st position = Any of the 30 students

2nd position = Any of the 29 students

3rd position = Any of the 28 students

4th position = Any of the 27 students

5th position = Any of the 26 students

Number of selection is then calculated as:

$Selection = 30 * 29 * 28 * 27 * 26$

$Selection = 17100720\ ways$

8 0

3 years ago

8 and 4 / 9 divided by 2 and 1 / 9 10 points Please show work

Vinil7 [7]

Dydyeufogofififudugjdid7fogo

7 0

3 years ago

3. Which of the following cannot be the side of a right angle triangle

Olegator [25]

Answer:

it’s b.

Step-by-step explanation:

(6)^2+(8)^2is not equal to (11)^2

7 0

1 year ago

5•1000000 is how many times as large as 5•10000

gizmo_the_mogwai [7]

Answer:

100 times

Step-by-step explanation:

5•1000000 has 2 more zeros than 5•10000 so that means the first number is 100 times larger than the second number! hope this helps and please mark as brainiest

3 0

2 years ago

Read 2 more answers