Joses went on a cruise to the Bahamas. His total cost for the trip is $810.

Mathematics

1 answer:

slega [8]3 years ago

3 0

Answer:

Step-by-step explanation:

yep 4 days cuz logicaly

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A city park has two hiking trails.Pond Trail is 4 2/9 miles long.Hill Trail is 2 1/3 miles long.How much longer is Pond Trial th

SVEN [57.7K]

First, find a common denominator.
2 and 1/3 = 2 and 3/9.

4 and 2/9 - 2 and 3/9 = 1 and 8/9. Hope it helps!

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3 years ago

Solve the system with elimination.3x + y = 9x + 2y = 3

NikAS [45]

In order to solve by elimination, let's multiply the first equation by -2. This way, when we add the equations, the variable y will be canceled out:

$\begin{cases}-6x-2y=-18 \\ x+2y={3}\end{cases}$

Now, adding the equations, we have:

$\begin{gathered} -6x-2y+x+2y=-18+3\\ \\ -5x=-15\\ \\ x=\frac{-15}{-5}\\ \\ x=3 \end{gathered}$

Now, calculating the value of y, we have:

$\begin{gathered} x+2y=3\\ \\ 3+2y=3\\ \\ 2y=0\\ \\ y=0 \end{gathered}$

Therefore the solution is (3, 0).

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Find the length of the third side. If necessary, round to the nearest tenth.

gulaghasi [49]

Answer might be: 24

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3 years ago

The area of a circular sun spot is growing at a rate of 1,200 km2/s.

Tpy6a [65]

A)

$\bf \textit{area of a circle}\\\\
A=\pi r^2
\\\\\\
\cfrac{dA}{dt}=\pi \cdot 2r\cfrac{dr}{dt}\implies \cfrac{dA}{dt}=2\pi r\cfrac{dr}{dt}\implies \cfrac{\frac{dA}{dt}}{2\pi r}=\cfrac{dr}{dt}\\\\
-----------------------------\\\\
\left. \cfrac{dr}{dt} \right|_{r=3000}\implies \cfrac{1200}{2\pi \cdot 3000}=\cfrac{dr}{dt}\\\\$

B)

$\bf A=\pi r^2\qquad A=490000\implies 490000=\pi r^2\implies \sqrt{\cfrac{490000}{\pi }}=r
\\\\\\
\left. \cfrac{dr}{dt} \right|_{r=\sqrt{\frac{490000}{\pi }}}\implies \cfrac{1200}{2\pi \cdot \sqrt{\frac{490000}{\pi }}}=\cfrac{dr}{dt}
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The chances that it will rain tomorrow are 20% what are the chances that it will not rain?

balandron [24]

Hey!~

The chances that it will not rain "tomorrow" is 80%

Hope this helps and have a great day!

-Lindsey

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