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sergeinik [125]
3 years ago
10

Consider the function f(x)=4x-5. what is the domain value that corresponds to an output of f(x)=11?

Mathematics
1 answer:
erastovalidia [21]3 years ago
8 0
F = 4

if f(x)=11, you must always try and get x alone, so f = (11+5)/4, and this simplifies to 4.
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3 years ago
Ana angle measure 79.8 degrees less than the measure of it’s complementary angle what is the measure of each angle
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Answer:

x = 129.8 degrees,  y = 50.2 degrees,    x + y = 180

Step-by-step explanation:

Let's say you have 2 supplementary angles, x and y

So x + y = 180

if x is 79.8 degrees less than the measure of a supplementary angle, then x = y - 79.8

Putting this into our x + y = 180 equation, we get

(y - 79.8) + y = 180

2y - 79.8 = 180

2y = 180 + 79.8

2y = 259.8

y = 259.8/2 = 129.9 degrees.

so x = 129.9 - 79.6 = 50.3 degrees.

See if it worked. x = 129.9 degrees,  y = 50.3 degrees,    x + y = 180 so we found the correct two angles! :-)

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