Answer:
The width of the television is 27 inches
Step-by-step explanation:
we know that
The length of the diagonal in a square is equal to
![d=b\sqrt{2}](https://tex.z-dn.net/?f=d%3Db%5Csqrt%7B2%7D)
where
b is the length side of the square
we have
----> given problem
substitute
![38=b\sqrt{2}](https://tex.z-dn.net/?f=38%3Db%5Csqrt%7B2%7D)
solve for b
![b=\frac{38}{\sqrt{2}}=26.87\ in](https://tex.z-dn.net/?f=b%3D%5Cfrac%7B38%7D%7B%5Csqrt%7B2%7D%7D%3D26.87%5C%20in)
Round to the nearest inch
![b=27\ in](https://tex.z-dn.net/?f=b%3D27%5C%20in)
Remember that in a square the length is equal to the width
therefore
The width of the television is 27 inches
The multiplicative inverse is a =
Answer:
60%
Step-by-step explanation:
If I get you right, you're asking for the percentage gain to the nearest percentage, right?
Now to do this, we need to get the amount of profit she made. That's quite easy, we only need to subtract the cost price from the selling price. And that equals $15 - $9.38 that equals $5.62.
Now, we divide this value by the cost price and multiply by 100% to get the percentage gain.
I.e 5.62/9.38 × 100%.
That gives 59.9% , which equals 60% when approximated to the nearest percentage.