X-7=-2 with work to provide
2 answers:
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common difference is
3.6 - 5.8 = -2.2
let T1 = 5.8
T2 = 3.6
assuming we are to find T2
T2 = T(2-1) -2.2
= T1 -22
= 5.8 -2.2
= 3.6
Answer:
78.5 m²
Step-by-step explanation:
The formula to find the area of a quarter of a circle: , where
is the radius (diameter ÷ 2) and the
is alterable.
1) Substitute the given values into the formula.
=
2) Solve it.
=
= 78.5
3) Round it off to the nearest tenth. In this case, it has already been rounded off.