ginapogones4958

30.11.2020 • 

Mathematics

John claims the following two expressions are equivalent -2(5y 3) = 10y - 6
John's work in determining an expression equivalent to the first expression is shown below,
2(5y 3)
+(25)(-2% -3)
10y6
Which statement explains why John's olaim is incorrect?

A He should have subtracted (-2 * 3) resulting in the expression 107 * 6.

B He should have only multiplied 3 by 2 resulting in the expression by - 6

C He should have only multiplied Sy by 2 resulting in the expression - 1043

D He should have only multiplied 3 by 2 and subtracted (23) resulting in the expression Sy + 6

Ответ:

markusovaevelyn532

21.07.2020

Mathematics

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The surface area of that portion of the shape is 12 because since we are just talking about the surface area of one side, we can calculate it by just using the area of a triangle formula thus giving the answer of 12.

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