kitten9389
28.05.2020 •
Mathematics
Simplify 9a - 4b + a + 6
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Ответ:
10a-4b+6
Step-by-step explanation:
To simplify, we need to combine like terms.
That means terms with the same variable, or just numerical values without a variable can be added together.
9a-4b+a+6
We can combine 9a and a together.
10a-4b+6
None of the terms can still be combined, so that is in simplest form.
Ответ:
Area of the 4 lateral rectangle = 4 x 18 x 40 = 2880 m²
Area of the 4 triangle = 4 x 1/2 x 18 x 13 = 468 m²
Total Area = 324 + 2880 + 468 = 3672 m²
3672 m²