-
=
*
-
= 9(
) - 1(
) = 8(
)
-
=
⇒ 8() =
⇒ =
<em>multiplied both sides by 8</em>
⇒ =
⇒ = 3⁻²
⇒ x = -2
Answer: x = -2
Pierre cut the length of an 8 cm wide plank into nine pieces and arranged them as shown in the picture. The centrepiece is a squ
are. How long was the original plank?
1 answer:
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Answer:
Option (2)
Step-by-step explanation:
Equation of a line passing through a point (x', y') and slope 'm' is given by,
y - y' = m(x - x')
From the question in the picture attached,
Slope of the line 'm' =
Line passes through a point (80, -71).
Equation of the line will be,
y + 71 =
y =
y =
Option (2) will be the answer.