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nekit [7.7K]
4 years ago
15

Most flat screen TVs today are made with an aspect ratio (ratio of the length to the height) of 16:9. Xenock Electronics' top se

lling TV is their 28-inch model, whose viewing area has a length of 24 inches and a height of 13.5 inches. This TV costs $226.99. They have three main competitors that claim to offer a better deal per viewing area. Phil's Supercenter claims their 18-inch model, whose viewing area length is of the length of Xenock's 28-inch model, is a better deal per viewing area at $152.99. Tyler's Electronics claims their 33-inch model, whose viewing area height is 20% taller than Xenock's 28-inch model, is a better deal per viewing area at $276.99. Beltre's Superstore claims their 82-inch model, whose viewing area dimensions are 300% as large as Xenock's 28-inch model, is a better deal per viewing area at $2,079.99. List the TV's in order of best deal per viewing area. Assume all TV's have the same aspect ratio.
Mathematics
1 answer:
ycow [4]4 years ago
8 0
What question is more than paragraph? Good luck buddy with that
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damaskus [11]
In a full rotation, 360°, a point on the edge of a gear would travel a distance equal to its circumference.  The circumference of a circle is:

C=2πr, and since we are only traveling 150°, we need to set up an appropriate ratio for circumference to the distance the point travels:

d/C=150/360

d=5C/12 and since C=2πr

d=10πr/12

d=5πr/12, and since r=4in

d=5*4π/12 in

d=20π/12 in

d=5π/3 in

d≈5.24 in (to nearest hundredth of an inch)
4 0
3 years ago
Complete factorization for -20x - 5y
marusya05 [52]

Answer:

-5 (4x+y)

Step-by-step explanation:

Factor out -5, and -20/-5=4, -5/-5=1.

7 0
3 years ago
Solve the equation, if possible.<br> 1. 2x + 2(4x - 2) + 3x = x + 3(x – 8) + 4x
MAXImum [283]

Answer:

x=-4

Step-by-step explanation:

Distribute and expand everything in brackets.

2x+2*4x+2*-2+3x=x+3*x+3*-8+4x

2x+8x-4+3x=x+3x-24+4x

Solve like terms

13x-4=8x-24

Place like terms on same side.

13x-8x=-24+4

Solve for x

5x=-20

x=-4

5 0
3 years ago
- 15x + 27<br> Show your work
Gnesinka [82]

-15x+27=0

-15x=_27

x=27/15.

x=1.8

3 0
2 years ago
Find the exact perimeter of a square whose side length is 5 cube root to l6 cm.
lesya692 [45]

Answer:

35.4cm

Step-by-step explanation:

cubed root of 5=  1.7

16+16+1.7+1.7=35.4

6 0
3 years ago
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