johnnyhalusewa
05.03.2021 •
Mathematics
Simplify the expression:
(9j + 1)(5)
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Ответ:
45j + 5
Step-by-step explanation:
(9j + 1)(5)
5(9j + 1)
45j + 5 (distributive property)
Ответ:
45j+5
Step-by-step explanation:
(9j+1).55(9j+1). 5(9j + 1)45j+5
Ответ:
Jayden buys 4 pounds of coffee
Step-by-step explanation:
Let's say that p represents the number of pounds of coffee Jayden bought. She starts with $90, and for each pound she buys, she loses $7.26 dollars. Therefore, as she loses 7.26 dollars, we must subtract the amount she pays from $90. Then, as she loses 7.26 dollars for each pound, we multiply 7.26 by the number of pounds to find the money she spends.
We can thus write our equation as
90 - 7.26*p = final amount = 60.96
90-7.26p = 60.96
subtract 90 from both sides to isolate the p and its coefficient
-7.26p = -29.04
divide both sides by -7.26 to isolate the p
p = 4
Jayden buys 4 pounds of coffee