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raytaylorh010801
03.03.2021 •
Mathematics
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Ответ:
75
Step-by-step explanation:
are alternate exterior angles so they are equal to each other so angle 7 is also equal to 75
hope this helps and have a great day :D
Ответ:
When you multiply (5x² - 3x)(8x²+ 4x), then you will get 40x⁴ - 4x³ - 12x²
Step-by-step explanation:
(5x² - 3x)(8x² + 4x)
Multiply 5x² to (8x² + 4x) and multiply -3x to (8x² + 4x).
40x⁴ + 20x³ - 24x³ - 12x²
Combine like terms and don't forget to put the equation in standard form. This means that the exponents are going to be in descending order.
40x⁴ - 4x³ - 12x²
So, your answer will be letter choice A.