3 years ago

The pier is 200 meters long. each board is 80 centimeters wide. how many boards are in the pier?

Mathematics

1 answer:

max2010maxim [7]3 years ago

7 0

250 boards I think. 100 CM in 1 Meter. That leaves you with with .8 meters a board, 200/ .8 leaves you with 250.

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Graph the ordered pairs for y = 3x + 3 using x={−2, 1, 2}

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ANSWER

See graph

EXPLANATION

We need to find the y-values for the ordered pairs by substituting the x-value in to the relation

when
$x = - 2$
$y = 3( - 2) + 3$

$y = - 6 + 3$

$y = - 3$

This gives the ordered pair
$(-2,-3)$

when
$x = 1$

.
$y = 3(1) + 3$

$y = 3 + 3$

$y = 6$
This also gives the ordered pair

$(1,6)$

when
$x = 2$
$y = 3(2) + 3$

.
$y = 9$

This also gives the ordered pair,
$(2,9)$

We now plot all the ordered pairs and draw a line through them.