3 years ago

A triangular pyramid has a surface area of 336 in made up of equilateral triangles side length 12 in. what is the slant height?

Mathematics

2 answers:

Anton [14]3 years ago

8 0

You need to find the slant height

jasenka [17]3 years ago

5 0

Find the slant height.

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stepladder [879]

I=ptr
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Suppose you want to accumulate $25,000 as down payment on a house and the best you can do is to put aside $200 a month. If you d

Sunny_sXe [5.5K]

Answer:

It will take 88.2 months to accumulate the amount

Step-by-step explanation:

Given;

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investment per compound period, P = $200

interest rate, i = 0.75% x 12 = 9%

The number of monthly installments required to amount to FV is given by;

$n = \frac{ln(FVi +cp)-ln(cp)}{ln(c+i)-ln(c)}\\\\ n = \frac{ln(25000*0.09 +200*12)-ln(200*12)}{ln(12+0.09)-ln(12)}\\\\n = \frac{8.4446 -7.7832}{2.4924-2.4849}\\\\n = 88.2 \ months$

Therefore, it will take 88.2 months to accumulate the amount.

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3 years ago