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netineya [11]
3 years ago
13

Shakira se presentará en la Ruta del Vino, y para ello su anuncio ha aparecido en un espectacular por la Avenida Reforma, si la

letra A aparece en el letrero, y el ángulo en la parte superior de la letra es de 40° y su base es de 60 cm, ¿cual es la altura de la letra?
Mathematics
1 answer:
m_a_m_a [10]3 years ago
6 0

Answer:

82.4 cm

Step-by-step explanation:

The computation of the height is given below:

As we know that each right triangle contains the top angle of 20 degrees

So, the right angle & the bottom corner angle equivalent to

= 180 - 90 - 20

= 70 degrees

Now the height is

tangent = opposite leg ÷ adjacent leg

tan (70°) = height ÷ 30 cm

height = 30 cm × tan (70°)

= 82.4 cm

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Please help, need to get this done quick!
Murljashka [212]

  our X is 30 because 3x = 90 and if we divide that by 3 then we are left with 30, I knew it was equal to 90 degrees because of the little red box that symbolizes a 90 degree angle.

  So now that we know X = 30 we can plug it in for (2x + 3y)

2(30) + 3y is equal to (60 + 3y) and if we equal that to the other side 3x and plug in for x on that side, we have a new equation of 90 = 60 + 3y so then from here we subtract 60 from both sides and are left with 30 = 3y and finally we divide 3

and our final answer is Y = 10 (((((((((((((((((((((((((((((:

4 0
2 years ago
What is 16500 rounded to the nearest ten thousand?
frosja888 [35]
16500 Rounded to the nearest ten thousand is 20,000
4 0
3 years ago
Breann solved the system of equations below. What mistake did she make in her work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 −
goldfiish [28.3K]

Answer:

No mistake

Step-by-step explanation:

2x + y = 5

x - 2y = 10

y = 5 - 2x

x - 2(5 - 2x) = 10

x - 10 + 4x = 10

5x - 10 = 10

5x = 20

x = 4

2(4) + y = 5

y =  -3

She made no mistake

You can check by plugging in x = 4 and y = -3 into the original equations . They fit exactly.


5 0
3 years ago
What is 12,140 X 4.0
kondor19780726 [428]

Answer: 48560

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the y- intercept of the equation Y=2x+7?
expeople1 [14]

Answer:

y-intercept = 7

Step-by-step explanation:

The y-intercept is also the starting point

8 0
3 years ago
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