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quester [9]
4 years ago
13

Help will mark brainliest!!

Mathematics
1 answer:
Ira Lisetskai [31]4 years ago
3 0
110 should be the answer 189 minus 70 is 110 always when involved with triangles use 180 to start with then subtract what’s there .
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You are planning to put a new digital flat t.v on a wall that is 12ft long and 9ft high. the digital t.v has a diagonal of 72 in
Pie
Area of wall = 9 * 12 = 108 ft^2
Width of TV = x
Lenght = 2x
Diagonal of TV = 72 " = 6 ft


x^2+(2x)^2=6^2
x^2+4x^2=36
5x^2=35
x^2=36/5
x=sqrt(36/5)
Width = 2.68 ft.
Length = 2.68 * 5.36 = 14.36 ft^2
Area of wall - area of tv = 108 - 14.36 = 93.64 ft

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3 years ago
Quadrilateral G, H, I, J has vertices G(-1,2), H(-1,4), I(-2,5) and
bonufazy [111]
I think the answer Is D fame
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4 years ago
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7 0
3 years ago
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Help me asap please!!!
Artemon [7]
Well, just by looking at the beginning of the problem, Jamelia had made the common mistake of thinking that 
\sqrt{72} (<span>8.4852...)
</span>is equal to 
2* \sqrt{36} (12)

If you want to estimate a square root like 72, simply find squares that would fit around the number you are looking to find, in our case, 72.

So 9*9 is 81, which is too high and 8*8 is 64, which is too low. So you know that somewhere between those numbers is what your root of 72 is!
5 0
4 years ago
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