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Aloiza [94]
3 years ago
15

100 POINTS A regular triangular pyramid has slant height 6 cm and base edges of length 15 cm. Find :Volume of the pyramid? Surfa

ce area of the pyramid?
Mathematics
1 answer:
Pepsi [2]3 years ago
3 0

Answer:

Triangular pyramids find the volume by using the equation V=(1/3)AH

Where A = area of base (hint: cut in half and treat like a right triangle knowing the hypotenuse and 1 side)

And H = height

1

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Solving Rational equations. LCD method. Show work. Image attached.
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Answer:

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Step-by-step explanation:

The given rational equation is

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The Least Common Denominator is

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Multiply each term by the LCD.

k(k+2)\times \frac{5k}{k+2}+k(k+2)\times \frac{2}{k}=5k(k+2)

Simplify;

k\times \frac{5k}{1}+(k+2)\times \frac{2}{1}=5k(k+2)

\Rightarrow k(5k)+2(k+2)=5k(k+2)

Expand;

\Rightarrow 5k^2+2k+4=5k^2+10k

Group similar terms;

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\Rightarrow -8k=-4

Divide by -8.

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3 years ago
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Which of the following statements best describes the location of −(−5) on a number line?
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Step-by-step explanation:

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