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leva [86]
4 years ago
14

At a new store a CD costs $15.99. At a second store the same CD costs 0.75 as much. About how much does the second store charge?

Mathematics
1 answer:
evablogger [386]4 years ago
8 0
It costs about 11.99 at the second store
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I need an answer so I can get good grades
UkoKoshka [18]

Answer:

Perimeter of figure = 36.3

Step-by-step explanation:

We'll begin by calculating the perimeter of the rectangle. This can be obtained as follow:

Length (L) = 9

Width (W = 4

Perimeter of rectangle (Pᵣ) =?

Pᵣ = 2(L + W)

Pᵣ = 2(9 + 4)

Pᵣ = 2(13)

Pᵣ = 26

Next, we shall determine the perimeter of semi circle. This can be obtained as follow:

Diameter (d) = 4

Pi (π) = 3.14

Perimeter of semi circle (Pₛ) =?

Pₛ = ½(πd) + d

Pₛ = ½(3.14 × 4) + 4

Pₛ = ½(12.56) + 4

Pₛ = 6.28 + 4

Pₛ = 10.28

Finally, we shall determine the perimeter of the figure. This can be obtained as follow:

Perimeter of rectangle (Pᵣ) = 26

Perimeter of semi circle (Pₛ) = 10.28

Perimeter of figure =?

Perimeter of figure = Pᵣ + Pₛ

Perimeter of figure = 26 + 10.28

Perimeter of figure = 36.28 ≈ 36.3

5 0
3 years ago
A model of a plane has a length of 17cm. the scale of the model is 1 : 200 work out the length of the real plane give your answe
vlada-n [284]
So if 1 CM in the model is 200 CM in the actual, just 200 x 17 which is 3400cm
so in Meters it would be 34 m
3 0
4 years ago
Students are using the graph to find the solution to the system y=3 and y=-2x+1. Anthony says the solution to the system is (3,-
timurjin [86]

Answer: April is correct.

Step-by-step explanation: According to the methods used in systems of equations, if we are to solve this system by setting up the equations

(3 = -2x + 1), we see that the solution is x = -1. If you substitute this x-value back into the original equation, y = -2x + 1, we get the answer y = 3 and thus, receiving the solution to the system (-1,3). Anthony is wrong because the graph includes an extra line at x = 3, throwing off his answers.  

7 0
4 years ago
Solve the function h(x)= 1/2-3 and j(x)= 2x+6, for x.
zubka84 [21]

Answer:

x= -6

Step-by-step explanation:

7 0
3 years ago
Please help !!! <br><br> simplify - (x + 5) + 3
omeli [17]

Answer:

-x - 2

Step-by-step explanation:

Because you have negative (minus) sign before tha bracket so when you break it out, it would be opposite to the sign that is inside the bracket:

- (x + 5) + 3

= -x + (-5) + 3

= -x - 5 + 3

= -x -2

This is the simpliest form

Hope this helped :3

5 0
3 years ago
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