Answer:
He pays $39.56
Step-by-step explanation:
If finding the discount, always divide the percent by 100.
25% = 0.25
52.75*0.25=13.1875
Because its money, round to hundredths place, $13.19
Subtract the "percent" (13.19) from 52.75
52.75 - 13.19 = $39.56
Answer:
Percentage change=140%
Step-by-step explanation:
The expression for the percentage change is as follows;
C={(F-I)/I}×100
where;
F=final quantity
I=initial quantity
C=percentage change
In our case;
C=unknown
F=24 gallons
I=10 gallons
replacing;
percentage change={(24-10)/10}×100
percentage change=(14/10)×100
percentage change=140%
Start by plugging both points within each parenthesis into x and y. Do it interchangeably also!
2(1)+5(1)= 7, which means it isn’t going to prove true. Because 7 isn’t greater than 7.
Since both are 1 it is already interchangeable.
2(-1)+5(4)=-2+20, which is 18. This means the solution doesn’t work, because 7 isn’t greater than 18.
2(4)+5(-1)=8+-5, which is 3. This one must work because 7 is greater than 3!
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Answer:
y = $38.97
y = 6.495(5) + 6.495
Step-by-step explanation:
So for this problem, since it states the cost and length of the subscription are related, you can use the two subscription costs as data (or coordinate) points.
1 year = 12.99, 3 year = 25.98; so (1,12.99), (3, 25.98) use these points to calculate the average rate of change (or the slope (m)).
(y - y1)/(x - x1) = m so, (25.98-12.99)/(3 - 1) = 6.495, this is the slope, m
y = 6.495(x) + b now just pick one of the points and put in the x and y values to solve for b
12.99 = 6.495(1) + b solve for b and you discover it also = 6.495 = b
so y = 6.495(x) + 6.495 is the equation of the line, to answer their question, just pop in x=5 for the 5 years subscription cost
y = 6.495(5) + 6.495
y = $38.97
Sharing three apples between 5 people gives each person 3/5 of an apple (or .6 or 60%.)