belen1266
10.12.2020 •
Mathematics
What is the slope of the line represented by the equation 3x + 5y= -7
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Ответ:
3x
Step-by-step explanation:
because that is the slope of the equation
Ответ:
a. yes because all of them are equal to 20/7
b. the cost of a 20 oz. bag of coffee is 7$
Step-by-step explanation:
a.• 6/2.10=20/7
• 8/2.80=20/7
• 16/5.60
so all of them are proportional.
b. let x be the cost of a 20 oz. bag of coffee
=>x=7