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jasenka [17]
3 years ago
10

Determine the sum of: −10y2+(−3y2)−4y2−(−6y2) the 2 are squared

Mathematics
1 answer:
Bas_tet [7]3 years ago
4 0
-10y^2 + (-3y^2) - 4y^2 - (-6y^2) = 
-10y^2 - 3y^2 - 4y^2 + 6y^2 =
-17y^2 + 6y^2 =
- 11y^2
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First of all, let us have a look at the equation of a sphere:

(x-a)^2+(y-b)^2+(z-c)^2=r^2

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