3 years ago

53w+13 is less than 56w+16

Mathematics

2 answers:

Lorico [155]3 years ago

6 0

Answer:

w>-1

Step-by-step explanation:

Klio2033 [76]3 years ago

3 0

Answer:

inequality form: w<-1

interval notation: (-1)

if this is not what your looking for then this might help

53w+13<55w+16

get w to one side

subtract 53w from both sides

13<3w+16

get 3w by itself

subtract 16 from both sides

-3<3w

divided both side by 3 to solve for w

-1<w

or w>-1

i hope this helped

and if it helped plzzzz mark as brainlest im trying to level up thanks

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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

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