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3 years ago

Consider the sequence 3, 9, 15, 21, ...

Mathematics

1 answer:

Artist 52 [7]3 years ago

4 0

Answer: 30, 39, 48, 57, 65, 75 84, is your answer!!!.......................

Step-by-step explanation:just add 9 each time

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3 years ago

Rashau made a rectangular frame for her latest oil painting. The length is 28 centimeters more than triple the width. The perime

postnew [5]

The length is about 28 more than three times the width. Denoted as (a) width, and as (b) the length. Then move on to lay the system of equations, as done below:

$\begin{cases}2a+2b=136\\b=3a+28\end{cases}$
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$\begin{cases}4a=40|:4\\b=3a+28\end{cases}$
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The short side has a length of 10 cm, and 58 cm long.

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