Answer:
Step-by-step explanation:
<u>2x + 3x</u> - 10 = 90
Combine like terms
5x - 10 = 90
Add 10 to both sides
5x = 90+10
5x = 100
Divide both sides by 5
x =100/5
x = 20
<span>C. The people in the study walked an average of 48.1 minutes each day.
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That is the wrong answer. I just took the and got it wrong the right answer is (-4,-1).
Answer:
Step-by-step explanation: Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis.