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Alexxx [7]
3 years ago
6

How do I name the intersection of two planes?

Mathematics
2 answers:
torisob [31]3 years ago
4 0
Well, the interseciton of 2 planes would be a line, so it would be like line AB when it goes through the 2 points A and B
JulsSmile [24]3 years ago
3 0
The two planes that meet in a single line are called Intersecting Planes. ... Two planes always intersect in a line as long as they are not parallel. ... In the above figure, the two planes A and B intersect in a single line Kl.
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For f(x) = 5x + 1
drek231 [11]

Answer:

A. f(7) = 5(7) + 1\\\\f(7) = 36

B. f^{-1}(x) = \frac{x - 1}{5}

C. f^{-1}(7) =\frac{6}{5}

D. f(\frac{6}{5}) = 7

Step-by-step explanation:

A. To solve the first part of the problem we must replace x = 7 in the function f(x) = 5x + 1

So:

f(7) = 5(7) + 1\\\\f(7) = 36

B. In part B we must find the inverse function of f(x) = 5x + 1

To find the inverse function do y = f(x)

y = 5x +1

Now clear the variable x.

\frac{y - 1}{5} = x

Replace x with y.

y = \frac{x - 1}{5}

Finally

f^{-1}(x) = \frac{x - 1}{5}

C. Now we take the inverse function found above and replace x = 7

f^{-1}(7) = \frac{7 - 1}{5}\\\\f(7) = \frac{6}{5}

D. Now we substitute x = f(f^{-1}(7)) in the original function.

x = f( f^{-1}(7))\\\\f^{-1}(7) = \frac{6}{5}\\\\ x= f(\frac{6}{5} )\\\\f(\frac{6}{5}) = 5(\frac{6}{5}) + 1\\\\f(\frac{6}{5}) = 7

8 0
3 years ago
Read 2 more answers
9.
alex41 [277]

Answer:  B. c = 16d + 18

I'm gonna go with c = 16d + 18

Step-by-step explanation:  letter B or letter D

Answer

5.0/5

6

Brainly User

Days : 1    2    3    4 →→→→→→D(X axis)

Rent a Truck:  34   50  66    82→→→→→→R(Y axis)

As  you can observe from number of Days and Amount to rent a truck , if you rent for a day the price being $ 34 and with increase in Day the rent increases by $ 16.

Plotting the point on graph , found that these points are collinear.

So, we can Represent this relation between days and Rent in equation of two variables representing a line.

Two point formula of line:

 →→Equation of line passing through two points  

So , line representing Days and rent is :

So, the rule representing Days and Rent is:  16 D - R + 18=0

...............................................................................................................................................

The answer is 18

If you subtract 47-29=18

Then if you subtract 47-65=18 the pattern is to add 18

7 0
2 years ago
The areas of two similar rectangles are 180 ft.² and 320 ft.². What scale factor applied to the smaller rectangle will give the
grigory [225]
The ratio of areas is the square of the scale factor, so that factor is
  √(320/180) = 4/3
8 0
3 years ago
Which of the following rational functions is graphed below? A. F(x) = B. F(x) = C. F(x) = D. F(x) =
gregori [183]

Answer:

C is the answer

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Simplify 4a​ +​ ​ ​8b ​ -​ ​ ​6b​ +​ ​ 2a​
Deffense [45]
Here is your answer:                                                                                                                              Combine like terms:                                                                                              4a+2a=6a and 8b-6b=2b                                                                                        Your answer is 6a+2b
8 0
3 years ago
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