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Luba_88 [7]
3 years ago
10

Rosa recorded the height (in centimeters) of a pea plant over a 10-day period for a science experiment. Please help me with this

one (anyone)!

Mathematics
1 answer:
katrin [286]3 years ago
7 0

Answer:

option a)

y = m(0.5) + 1.8

Step-by-step explanation:

Equation

<h3>y = mx + c</h3>

represent the equation of straight line

here m = gradient of straight line

         c = y-intercept

First find the gradient of the graph

<h3>m = y2 - y1 / x2 - x1</h3>

    = 4 - 3 / 4 - 2

    = 1 / 2

Put the values in the equation of straight line

y =mx + c

4 = 1/2(4) + c

c = 2

y = 1/2x + 2

which is approximately equal to y = 0.5x + 1.8

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1 meter = 0.001 kilometers
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If the tunnel is about 1900 m = 1.9 km long, then this is a little less than 2 km, because 1.9 km < 2 km.
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