Answer:
The TV has a length of 61.01" and a height of 34.32"
Step-by-step explanation:
The size of a TV is given by the length of it's diagonal, in this case the diagonal of the TV is 70". The ratio of the screen is 16:9, which means that for every 16 units on the length of the tv there are 9 inches on its height. The diagonal of the screen forms a right angle with the length and the width, therefore we can apply Pythagora's theorem as shown below:
Since the ratio is 16:9, we have:
Applying this on the first equation, we have:
The TV has a length of 61.01" and a height of 34.32"
Answer:
f(x) = x^3 + 4x^2 - 7x - 28
Step-by-step explanation:
If the roots of this cubic function are Square root of seven, -Square root of seven, -4, then the factors must be (x^2 - 7)(x + 4).
Multiplying this out, we get f(x) = x^3 + 4x^2 - 7x - 28.
Note: Please use " ^ " to indicate exponentiation.
The length of each side of the square is 3 ft.
<u>Step-by-step explanation:</u>
We have , A composite figure is formed by combining a square and a triangle. Its total area is 52.5 ft. The area of the triangle is 43.5 ft . We know that area of a square = . According to question:
area of square =
area of triangle = 43.5 ft
total area = 52.5 ft.
Total area = area(square+triangle)
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Therefore, the length of each side of the square is 3 ft.
Answer: $46.08
Step-by-step explanation: starts at 36....marks up by 60%
36 + 0.60(36) = 36 + 21.60 = 57.60
now they mark it down by 20%
57.60 - 0.20(57.60) = 57.60 - 11.52 = 46.08
Answer:4/5
Step-by-step explanation:
Because thats ehat i think