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3 years ago

FIND X AND Y SHOW ALL THE WORK

Mathematics

2 answers:

Mamont248 [21]3 years ago

4 0

Answer:

y=12°

x= 20°

Step-by-step explanation:

5y=60

y=60/5=12

3x+60+60=180

3x=180-120=60

x=60/3=20

iren2701 [21]3 years ago

4 0

Answer:

Step-by-step explanation:

the angles opposite each other in a parallelogram are equal to each other

60=5y

12=y

now put that into the equation

both bottom left and top right corners have an angle of 60

since all angles in the interior of a parallelogram are equal to 360

then you can set 2(60)+2(3x+60)=360

120+6x+120=360

240+6x=360

6x=120

x=20

Hope that helps :)

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Here Area=320(Given)

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3. Which is the inverse of the function f(x) = 4x^2?

natali 33 [55]

Answer:

$f^{-1}(x)=\frac{\sqrt{x}}{4}$

Step-by-step explanation:

The inverse of the function is the "opposite" of a function, so to speak. One can find it by treating it like a literal equation with 2 variables, one now has to solve for the other variable presnet. In other words, treat the therm (f(x)) like another variable in the equation. Now one has to solve for (x) in terms of (f(x)).

$f(x)=4x^{2}\\$

Manipulate the literal equation with inverse operations;

$f(x)=4x^{2}\\\sqrt{}\\\\\\\sqrt{f(x)}=4x\\/4\\\\\frac{\sqrt{f(x)}}{4}=x$

Now switch the variables;

$f^{-1}(x)=\frac{\sqrt{x}}{4}$

The $f^{-1}(x)$ signifies that the written function is the inverse of the original function.

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