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tilsendt
10.12.2020 •
Mathematics
Whats the mean of the following numbers : 74, 75, 80, 76, 75, 81, 78
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Ответ:
The mean of this equation is 77
Step-by-step explanation:
74+75+80+76+75+81+78-539
Number of terms=7
539/7=77
Ответ:
A)![2x^4 + 5x](/tpl/images/0662/5685/f0d68.png)
B) Closure property means that a subtraction of polynomials results in another polynomial
Step-by-step explanation:
A)
is a fourth-degree polynomial (the greatest exponent of x is 4) with two terms (
and 5x) in standard form (degree drops from left to right, and no exponent of x is repeated, like in x² + 3x²)
B) Example:
4x³ - 2x + 3 - (x³ + x²) =
= 4x³ - x³ - 2x + 3 - x² =
= 3x³ - x² - 2x + 3