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tatiyna
4 years ago
14

Hello, please help me with this question. Thanks.

Mathematics
1 answer:
mamaluj [8]4 years ago
3 0

Answer:

a) FKR and F'KR form supplementary angles

b) FK = F'K

   EF = E'F'

(They are reflected by mirror)

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Which represents the inverse of the function f(x) = 4x?
Nimfa-mama [501]
<h3>Answer: D)  h(x) = (1/4)x</h3>

This is the same as h(x) = x/4

In decimal form, it would be h(x) = 0.25x

=============================================

Explanation:

Inverses undo the original function. The original function tells us to take any input (x) and multiply by 4 to get the output y = f(x) = 4x

To get the inverse, we reverse the operation applied here. The opposite of multiplication is division. So we'll divide by 4 instead of multiply by 4. This is why the answer is x/4 or (1/4)x

-----------

Another approach is to do the following: Replace f(x) with y. Swap x and y. Solve for y

f(x) = 4x

y = 4x

x = 4y

4y = x

y = x/4

h(x) = x/4

We end up with the same result as before.

-----------

Extra info:

For any real number x, the following two equations are true

h( f(x) ) = x

f( h(x) ) = x

7 0
4 years ago
Graph the circle x2 + y2 – 14x – 12y + 76 = 0.
nikklg [1K]

Answer:

The answer is, the center is (7,6) and the radius 3 soo, you would count three from the center to the arc( outer line and then if its three than ur good. proven in khan academy don't worry

Step-by-step explanation:

XD finally no more schoooooolllllllll baaaabbyyyyyy

7 0
4 years ago
Find the two missing numbers shown with an "*" in the equation.
SVETLANKA909090 [29]
I hope it’s helps i have to write more so I’m writing

5 0
3 years ago
Read 2 more answers
The height of a cylinder is 10 and the area of a base is 36 pi square units. What
ollegr [7]

Answer:

1130.97336 units^3

Step-by-step explanation:

The volume of a cylinder can be found using:

v=\pi r^2h

We have the area of the base, but not the radius

a=\pi r^2

We know the area is 36\pi, so we can substitute that in for a

36\pi =\pi r^2

We want to find r, so we need to isolate it

Divide both sides by pi

36=r^2

Take the square root of both sides

6=r

Now we know the radius, and can substitute it into the volume formula, and we can substitute the height (10) in

v=\pi r^2h

v=\pi 6^210

Solve the exponent

v=\pi 36(10)

v=\pi 360

v=1130.97336

The volume is 1130.97336 units^3

6 0
4 years ago
Target value: 43<br> 2.5 + 5
Serga [27]
80 is the answer so there u go
4 0
3 years ago
Read 2 more answers
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