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musickatia [10]
2 years ago
7

Louis plans to buy a new washing machine. The washing machine costs $560 and has an estimated annual operating cost of $48. Whic

h rational function models the average annual cost in dollars of owning the washing machine for x years?
Mathematics
2 answers:
Serjik [45]2 years ago
5 0
(560+48x)/x. After owning the washing machine for x years, with operating cost of $48 each year, the total amount of operating cost is 48x. We should also add the one-time cost of buying the washing machine, which is $560. The total cost is 560+48x. Since x years have past, the average annual cost is (560+48x)/x, or 48+560/x dollars.
Dafna11 [192]2 years ago
3 0

Answer:

B. f(x)= 560+48x/x

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Calculate the side lengths a and b to two decimal places
Talja [164]

Answer:

The answer is (D) ⇒ a = 11.71 , b = 15.56

Step-by-step explanation:

* In ΔABC

∵ m∠A = 45°

∵ m∠B = 110°

∴ m∠C = 180 - 45 - 110 = 25°

By using the sin Rule

∵ a/sin(A) = b/sin(B) = c/sin(C)

∵ c = 7

∴ a/sin(45) = b/sin(110) = 7/sin(25)

∴ a = (7 × sin(45)) ÷ sin(25) = 11.71

∴ b = (7 × sin(110)) ÷ sin(25) = 15.56

∴ The answer is (D)

5 0
2 years ago
Calculate the loss on selling 50 shares of stock originally bought as 13 3/4 and sold at 12
kaheart [24]
First we multiply 50 and 13 and 3/4 
13 and 3/4 could also = 13.75 
sooo lets multiply 
50 x 13.75 = 687.50
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now we need to find out the loss by subtracting 
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so that means this company lost $87.50 :(
hope this helps :)
and don't forget 2 
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5 0
2 years ago
Read 2 more answers
An acute triangle has two sides measuring 8 cm and 10 cm . What is the best representation of the possible range of values for t
Mekhanik [1.2K]

Answer:

the right answer is 2 < s< 18

Step-by-step explanation:

The Third side of the triangle must be greater than the difference of the other two sides which is 10 -8= 2 and smaller than the sum of the other two sides of the triangle which is 10+8= 18.

so third side should be greater than 2 and less than 18.

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5 0
2 years ago
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So for this, this can be written into the equation y=50x+35 (x = number of months, y = total cost).

To solve this problem, we need to plug in 1325 into the y-variable and solve from there.

1325=50x+35

Subtract 35 on each side to get 1290=50x

Then just divide by 50 on each side, and your answer should be 25.8=x


And because we cannot go past budget, we will have to round down to 25. In context, the maximum amount of months Abbey can do is 25 months.
8 0
2 years ago
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Tan20+tan40+tan60.......+tan180=?
Leno4ka [110]
The answer is 0. 
assuming by the dots that it includes tan80 +tan100 +tan120 +tan140 +tan160 in the equation. 
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