Which represents the solution set of inequality 5x-9 <21
2 answers:
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Answer:
The number of laps for which two swimmers have raised the same amount of money is 6 .
Step-by-step explanation:
Given as :
The amount raised by Hailey = $27 + $1.50 × each lap she swim
The amount raised by Tariana = $18 + $3 × each lap she swim
Let The number of laps after which both swimmer raised same amount = n
Now, According to question
<u>For both swimmer to raised same amount</u>
I.e The amount raised by Hailey = The amount raised by Tariana
Or, $27 + $1.50 × each lap she swim = $18 + $3 × each lap she swim
Or, $27 + $1.50 × n = $18 + $3 × n
Or, $27 - $18 = $3 n - $1.50 n
Or, 9 = 1.5 n
∴ n =
I.e n = 6
So, number of lap for same amount of both = n = 6
Hence The number of laps for which two swimmers have raised the same amount of money is 6 . Answer
Answer:
Step-by-step explanation:
The equation of the line slope-intercept form is:
Where m is the slope and b is the y-interecept.
The standard form is:
You know that must be parallel to , therefore both have the same slope. So you must solve for y:
Substitute the slope m=-1. Since the line passes through the origin b=0:
Then in standar form is: