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satela [25.4K]
3 years ago
12

Solution for 8.5+4(1-2.5k)= -25.5

Mathematics
1 answer:
Nonamiya [84]3 years ago
4 0
The solution is k=19/5
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Find the surface area of the prism.<br> 7 mm<br> 4 mm<br> 5 mm
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Answer:

Since there are 2 sides, a front & back, and a top & bottom, you must find the surface area of each of those 3 surfaces and multiply by 2.

Step-by-step explanation:

The formula would be:

Top & Bottom - 5 × 4 (multiply by 2 for top AND bottom)

Front & Back - 5 × 7 (multiply by 2 for front AND back)

Sides - 4 × 7 (multiply by 2 for BOTH sides)

___________________________________________________

Once you find the 3 surface areas, add the areas all together for the total. (I did not show the answer because that is for you to do on your own.)

Ex. Top & Bottom + Front & Back + Sides

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What is the solution of the linear -quadratic system of equations?<br>{y=x^2+5x-3<br>{y-x=2​
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Step-by-step explanation:

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evablogger [386]

Answer:

\frac{\tan 60\degree}{\cos45 \degree}= \sqrt{6}

Step-by-step explanation:

We want to evaluate

\frac{\tan 60\degree}{\cos45 \degree}

We use special angles or the unit circle to obtain;

\frac{\tan 60\degree}{\cos45 \degree}=\frac{\sqrt{3}}{\frac{\sqrt{2}}{2}}

This implies that;

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\frac{\tan 60\degree}{\cos45 \degree}=\sqrt{3}\times \sqrt{2}

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Step-by-step explanation:

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