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nalin [4]
3 years ago
10

Need help test is due 3/10/18

Mathematics
1 answer:
Kazeer [188]3 years ago
8 0
I believe <span>angle 1 is 115° </span>
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Find the inverse of the function f(x)= 2x - 4 and show explain each step used to find the inverse.
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3 years ago
a rectangular blue tile has a length of 4.25 inches and a width of 6.75 inches. a similar tile has a length of 12.75 inches.what
Iteru [2.4K]

Answer:

The width of the red tile would be 2.25 inches.

Step-by-step explanation:

Given blue tile has a length of 4.25 inches, and a width of 6.75inches.

Also, length of similar tile is 12.75 inches.

Let us assume x as the width of red tile.

It is given in the question that both tiles are similar.

So, their area will be the same.

Area of blue tile would be 4.25\times 6.75=28.6875\ inch^2

Area of red tile would be 12.75\times x

The area of blue tile would be equal to area of red tile.

28.6875=12.75\times x

\frac{28.6875}{12.75}=x\\\\x=2.25

So, the width of the red tile would be 2.25 inches.

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Step-by-step explanation:

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I don’t really get this question so if anyone knows it please help
Mars2501 [29]

Answer:

116.82\:\text{square inches}

Step-by-step explanation:

The window consists of a large square and 4 smaller triangles on the outside. The side length of this square is marked as 10, and therefore the area of this square is 10^2=100\:\mathrm{in^2}.

The area of a triangle is given by \frac{1}{2}\cdot b\cdot h. Since the problem states that the overlapping squares are congruent, both legs of the triangle will be 2.9 and intersect at a 90^{\circ} angle.

Thus, the sum of all four triangles is \frac{1}{2}\cdot 2.9\cdot 2.9\cdot 4=16.82\:\mathrm{in^2}.

Therefore, the area of the window is:

100+16.82=\boxed{116.82\:\mathrm{in^2}}

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3 years ago
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Answer:

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