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Ghella [55]
3 years ago
14

Find f(-4) if f(x) =-x-5.

Mathematics
2 answers:
DochEvi [55]3 years ago
5 0

Answer:

f(-4)= -1

Step-by-step explanation:

Karo-lina-s [1.5K]3 years ago
5 0

Answer:

f(-4)=-9

Step-by-step explanation:

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Which equation is true for any value of y?
zvonat [6]
I'm 80% sure. 
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What is the value of the expression: x - 3y
Softa [21]

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The sides of a triangle are 3x+ 2, 6x, and 5x. Find the expression to represent the perimeter. To find the perimeter, we ADD the
frosja888 [35]

Answer:

14x + 2

Step-by-step explanation:

Perimeter = sum of the measures of each side

If a triangle has side lengths of 3x+ 2, 6x, and 5x then the perimeter of that triangle is equal to 3x + 2 + 6x + 5x

Notice that the expression 3x + 2 + 6x + 5x has similar terms so to get the simplist version of the perimeter we would simply combine like terms

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7 0
3 years ago
Read 2 more answers
Write cot θ in reduced fraction form. (Picture included)
aleksandr82 [10.1K]
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What is the value of hin the figure below? In this diagram, ABAD ~ ACBD.
VashaNatasha [74]

Answer:

  F.  8

Step-by-step explanation:

The ratio of the long side to the short side is the same in similar triangles. The long side of triangle BAD is AD, which has length 20-4 = 16.

  BD/DE = AD/BD

  h/4 = 16/h

  h^2 = 64 . . . . . . . multiply by 4h

  h = 8 . . . . . . . . . . take the square root (matches selection F)

_____

<em>Comment on this geometry</em>

BD = √(AD·DC) is called the "geometric mean" of the segments AD and DC. This geometry has some other geometric mean relationships as well:

BC = √(AC·DC)

BA = √(AC·AD)

8 0
3 years ago
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