The function (119x + 171) represents the amount, in dollars. Lionel will save 409 $ if he uses Quality Electric for a repair needing 2 hours of labor.
<h3>What is a system of equations?</h3>
A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
The system of equations are;
p(x) = 68x + 81.
q(x) = 51x + 90.
So,
p(x) + q(x) = 68x + 81 + 51x + 90
p(x) + q(x) = 119x + 171
The function (119x + 171) represents the amount, in dollars, Lionel will save by having Quality Electric handle an x-hour repair instead of Phil’s Appliances.
p(x) + q(x) = 119x + 171
x= 2 hours
p(x) + q(x) = 119 (2) + 171
p(x) + q(x) = 409
Lionel will save 409 $ if he uses Quality Electric for a repair needing 2 hours of labor.
Learn more about equations here;
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Answer: 27.80
Step-by-step explanation:
(3/5) x 14 = 8.4
That's 4 of the 2 kilogram tubs and 1 of the 1 kilogram tub (gives 9 kilograms)
4 x 6.15 = 24.60
1 x 3.20 = 3.20
24.60 + 3.20 = 27.80
Answer:
intersecting
Step-by-step explanation:
For the first problem, a "fifth" means divided by 5, so "four-fifths of b" means
or
Subtract means to take away, so "6 subtracted from" means to "take away 6" or -6
As such, the answer to the problem would be
The rest the problems are also just translating English to math.
Answer:
(7.5)^2 pi
Step-by-step explanation:
Circumference= pi x diameter
area= radius^2 x pi
radius= 1/2 diameter
1. find radius: 15/2= 7.5
2. square radius: (7.5)^2
3. multiply by pi: (7.5)^2 x pi
