7 meters per minute to yards per hour.

Mathematics

1 answer:

Vesnalui [34]3 years ago

8 0

459.3 yards per hour. I hope this helped.

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Solve it please. Just wanted to check my drawing skill but please solve it

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Answer:

Step-by-step explanation:

I'm assuming that strange looking thing is a 9, so begin by multiplying both sides by that denominator to get:

$x-9=\sqrt{x}+3$ then subtract 3 from both sides to get

$x-12=\sqrt{x}$ and then square both sides to get

$x^2-24x+144=x$ and get everything on one side to solve for x by factoring:

$x^2-25x+144=0$ and factor that however it is you have learned to factor second-degree polynomials to get that

x = 16 and x = 9. We have to check for extraneous solutions because anytime you manipulate an equation, as we did by squaring both sides, you run the risk of these solutions that actually don't work when you plug them back into the original equation. Let's try 16 first:

$\frac{16-9}{\sqrt{16}+3 }=1$ If 16 is a solution, then this statement will be mathematically true.