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kayla114035
06.11.2020 •
Mathematics
Jackson bought a new computer for $800. He put $135 down and got a student discount of $55 his mom gave him half of the balance for his birthday. How much does Jackson still owe for the computer?
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Ответ:
Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... The Fee that a driver pays to have automobile insurance is called a ... She receives 7% on her first $1,000 in sales and 15% on the balance of her sales. ... The Jackson's sublet their summer cottage during the winter and spring months.
Step-by-step explanation:
Ответ:
(7x - 11) and (7x + 11) are both factors
Step-by-step explanation:
Given
49x² - 121 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , thus
49x² - 121
= (7x)² - 11²
= (7x - 11)(7x + 11) ← in factored form