SmokeyRN
29.04.2021 •
Mathematics
When a
beaker of sand
is dried in a
in a hot oven
It's mass
reduces
from
450g To 32og find the
Percentage reducation.
Solved
Show answers
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Ответ:
59
Step-by-step explanation:
335
Ответ:
first find the gradient:
M;=∆y/∆x
hence;M=7_2/3_2=5/1
M=5
substituting in equation
y=mx+c take point (3,7) and point (x,y)
y-7/x-3=5
y-7=5(x-3)
y_7=5x_15
y=5x-15+7
y=5x-8