\(\displaystyle{d}^{{2}}={4}^{{2}}+{12}^{{2}}\)

\(\displaystyle{d}^{{2}}={16}+{144}\)

\(\displaystyle{d}^{{2}}={160}\)

\(\displaystyle{d}=\sqrt{{160}}\)

\(\displaystyle{d}={4}\sqrt{{10}}\sim{12.6}{m}\)

2021-05-29

\(\displaystyle{d}^{{2}}={4}^{{2}}+{12}^{{2}}\)

\(\displaystyle{d}^{{2}}={16}+{144}\)

\(\displaystyle{d}^{{2}}={160}\)

\(\displaystyle{d}=\sqrt{{160}}\)

\(\displaystyle{d}={4}\sqrt{{10}}\sim{12.6}{m}\)

asked 2021-05-30

A certain television is advertised as a 50 -inch TV(the diagonal length). If the width of the TVis 14 inches, how many inches tall is the TV?

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A wire of length r feet is bent into a rectangle whose width is 2 times its height. Write the area A of the rectangle as a function of the wire's length r. Write the wire's length r as a function of the area A of the rectangle (note A not a).

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asked 2021-05-07

You can use the formula \(V = lwh\) to find the volume of the box.

The volume of the box is \(40 ft^{3}\). What is the value of x? Find the length and the width of the box. Describe any extraneous solutions.

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Points B and D are points of tangency. Find the value of x.

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A museum groundskeeper is creating a semicircular statuary garden with a diameter of 25 feet. There will be a fence around the garden. The fencing costs $7.25 per linear foot. About how much will the fencing cost altogether? Round to the nearest hundredth. Use 3.14 for ππ. The fencing will cost about $$