A florist shop represents its first month’s sales with the equation y=168x+8, where x represents the number of days that the sho
2 answers:
Answer:
Option C is the answer.
Step-by-step explanation:
A florist sale is for it's first month is represented by the equation y = 168x + 8
Here y represents the sales in dollars and x represents number of days.
Now we have to calculate the number of days it took to reach $3200 in sales.
For this we will substitute $3200 in place of y and find the value of x by solving the equation.
3200 = 168x + 8
168x = 3200 - 8 = 3192
Therefore Option C. is the correct option.
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Answer:
10 miles
Step-by-step explanation:
Given: Boat goes hours with 8 mph (i)
Boat goes hours with 12 mph (ii)
Now, lets find out distance separately to get total distance.
Formula for finding distance is
D=
D= (i)
D=
∴ D1= 6 miles (i)
D= (ii)
∴D2= 4 miles (ii)
To find total distance, we will add d1 and d2
Total distance =
∴ Total distance =
= 10 miles is the total distance covered by boat in all this time.
First we will evaluate: ( substitution: u = x² - y², du = - 2 y dy )
=
( than plug in x and 0 )
=
=
= 1/3 x³ ( then another integration )
= 1/3 * 1/4 = 1/12
=
=
= 1/3 x³ ( then another integration )
= 1/3 * 1/4 = 1/12