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3 years ago

7

the volume of a triangular pyramid is 300 cubic meters. what is the area of the pyramid's base of the pyramid height is 3 meters

?

1 answer:

Sergeeva-Olga [200]3 years ago

7 0

Volume of a pyramid=area of base×height
∴base area=volume÷height
=300m³÷3m
=100m²

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Kamila [148]

A + M = 40

M = 2A + 4

A + 2A + 4 = 40

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3 years ago

Find the 53rd term of the arithmetic sequence<br> 27,11, -5

vivado [14]

Answer:

The 53rd term of this arithmetic sequence is -805.

Step-by-step explanation:

The general rule of an arithmetic sequence is the following:

$a_{n+1} = a_{n} + d$

In which d is the common diference between each term, that is, $d = a_{3} - a_{2} = a_{2} - a_{1}$ .

To find the nth term of the sequence, this equation can be written as:

$a_{n} = a_{1} + (n-1)d$

27,11, -5

So $a_{1} = 27, a_{2} - a_{1} = 11 - 27 = -16[/tex[tex]a_{n} = a_{1} + (n-1)d$

$a_{53} = a_{1} + (52)d = 27 + 52*(-16) = -805$

The 53rd term of this arithmetic sequence is -805.

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