3 years ago

Greatest factor for 16 20 & 32

Mathematics

1 answer:

iogann1982 [59]3 years ago

7 0

Answer:

4 is the greatest factor for 16 20 and 32

Step-by-step explanation:

because its the g<u>reatest number</u> that can be multiplied to get 16 20 and 32

4×4=16

4×5=20

4×8=32

there isn't any greater number than 4 that can get the answers for 16 20 and 32 by multiplication

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At noon, ship A is 50 km west of ship B. Ship A is sailing south at 10 km/h and ship B is sailing north at 20 km/h. How fast is

Lena [83]

So hmmm check the picture below

so, we're looking for dr/dt then at 4:00pm or 4 hours later

now, keep in mind that, the distance "x", is not changing, is constant whilst "y" and "r" are moving, that simply means when taking the derivative, that goes to 0

$\bf r^2=x^2+y^2\implies 2r\cfrac{dr}{dt}=0+2y\cfrac{dy}{dt}\implies \cfrac{dr}{dt}=\cfrac{y\frac{dy}{dt}}{r}\quad 
\begin{cases}
\cfrac{dy}{dt}=30\\
r=130\\
y=120
\end{cases}
\\\\\\
\cfrac{dr}{dt}=\cfrac{120\cdot 30}{130}$