BlueDiamond4820
10.07.2019 •
Mathematics
Solving system of equations using elimination. 2x - 3y = -7 3x + 3y = 27 4x -2y + z = 3
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Ответ:
(B y is 3
(C y is 3
Ответ:
answer:
Option 3
Step-by-step explanation:
Perimeter of the square = 4s
= 4(2.75) = 11
Circumference = 2×pi×r
11 = 2 × 3.14 × r
r = 1.7515923567
Area of a circle = pi × r²
= 3.14 × 1.75²
= 9.61625 units²
= 9.62 units²