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Veseljchak [2.6K]
3 years ago
14

Angle of depression from point a to point c

Mathematics
1 answer:
Arisa [49]3 years ago
4 0

Answer:

32°

Step-by-step explanation:

90 - 58 = 32

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5/12-(x-3)/6≤(x-2)/3<br> solve for x
solniwko [45]

Answer:

x ≥ 19 /6

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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The height of a triangle is 8ft greater than the base. The area of the triangle is 136.5 square ft. Find the length of the base
mixer [17]

Answer:

the base is 9/2 ft and the height is 9/2 + 8, or 25/8, ft.

Step-by-step explanation:

Note that the formula for the area of a triangle is A = (1/2)(base)(height).  Let's abbreviate that to A = (1/2)(b)(h).   We are told that h = b + 8.

Then A = 136.5 = (1/2)(b)(b + 8), or

               (after multiplying both sides by 2)

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                which, when put into standard quadratic form, becomes:

b^2 + 8b - 273 = 0

The coefficients of this quadratic are a = 1, b = 8 and c = -273.

Thus, the discriminant is b^2 - 4ac, or 64 - 4(1)(-273) = 1156 = 17^2.

The roots are then

      -8 ± √1156            -8 ± 17

x = --------------------  =  ------------ = 9/2 and -25/2

              2                          2

Only the root 9/2 makes sense here, because measurements of length are positive.

Thus, the base is 9/2 ft and the height is 9/2 + 8, or 25/8, ft.

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(x-8) would describe the case here planes grew 8 inches but x inches this weak.

Step-by-step explanation:

hope it helps

have a great day!!

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Answer:

6561 = 3 {}^{8}

Step-by-step explanation:

6561 = 3×3×3×3×3×3×3×3= 3^8

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