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Ad libitum [116K]
2 years ago
10

Please help solve this

Mathematics
1 answer:
bazaltina [42]2 years ago
3 0
I cant fu(king read it.
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Simplify the expression.<br> 4(b−6) +19
Genrish500 [490]
4(b - 6) + 19 # Starting equation
4b - 24 + 19 # Using the distributive property
4b - 5           # Simplified expression
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3 years ago
In the figure below, BCA ~ STR. Find cos C, sin C, and tan C. Round your answers to the nearest hundredth.
arsen [322]

Answer:

\sin C\approx0.85\\\\\cos C \approx0.52\\\\\tan C\approx1.63

Step-by-step explanation:

According to the trigonometric ratios in aright triangle :

\sin x =\dfrac{\text{Side opposite to x}}{\text{Hypotenuse}}\\\\\cos x =\dfrac{\text{Side adjacent to x}}{\text{Hypotenuse}}\\\\\tan x=\dfrac{\sin x}{\cos x}

Given:  ΔBCA ~ ΔSTR

Since , corresponding angles of two similar triangles are equal.

So, ∠C = ∠T                            ...(i)    [Middle letter]

In triangle STR

\sin T=\dfrac{\text{Side opposite to T}}{\text{Hypotenuse}}\\\\=\dfrac{26.4}{30.9}\approx0.85\\\\\cos x =\dfrac{\text{Side adjacent to T}}{\text{Hypotenuse}}\\\\=\dfrac{16.2}{30.9}\approx0.52\\\\\tan T=\dfrac{\sin T}{\cos T}\\\\=\dfrac{0.85}{0.52}\approx1.63  ...(ii)

From (i) and (ii), we have

\sin C\approx0.85\\\\\cos C \approx0.52\\\\\tan C\approx1.63

4 0
3 years ago
Please help!!!<br><br> 3(x – 10) = -9
sergey [27]

Answer:

The answer is x = 7

Step-by-step explanation:

Divide each term by  3  and simplify. Move all terms not containing  x  to the right side of the equation.

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3 years ago
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Look at this graph:
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Answer:

2

Step-by-step explanation:

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6 0
2 years ago
The regular price of a smart phone is represented by x. When an upgraded phone is released, the new price is 25% more than the o
VARVARA [1.3K]
1.25x

because 25% can be represented as 0.25. so as the new price would be 125% of the old one its 1.25x
3 0
3 years ago
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