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zhannawk [14.2K]
3 years ago
12

What’s the inverse of the function f(x)=7x+2

Mathematics
1 answer:
lapo4ka [179]3 years ago
6 0
The answer is f(x)=(x-2)/7
to find the inverse of a function, swap x and y and then find y. hope this helps!
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Tina is the top seller of the store. She earns a salary plus 2%. Tina's salary is $30,000 a year. This month her sales were $48,
Lilit [14]
I'm assuming she gets 2% commission on sales and that she gets paid monthly from her yearly salary.

If the above is true, her monthly pay is calculated as follows:

Commission: 48500 * 0.02 = $970
Monthly salary: 30000 ÷ 12 = $2500

So monthly pay is $2500 + $970 = $3470
7 0
3 years ago
HELP ASAP I WILL MARK YOU BRAINLYEST PLEASE HURRY!!!!
Sidana [21]
X = 180 - 60 -  80
x = 40

hope it helps
3 0
3 years ago
Read 2 more answers
What is the area of the triangle
Lemur [1.5K]

Answer:

16

Step-by-step explanation:

area of a triangle is <u>height x </u><u>base</u>

2

<u>4•8</u> = <u>3</u><u>2</u> = 16

2 2

6 0
3 years ago
I've tried and I have no clue how to do this.
Natasha_Volkova [10]
This isn't to diffuclt. So, to the formula for the area of a circle is 2\pi r, or instead of r, you can put D, which is r times 2

The diameteris 2.5, so, the answer would be

pi times 2.5, where pie = 3.14

So, the answer is 2.5 * 3.14 = 7.85 or 7.9
6 0
3 years ago
A dinner platter is in the shape of a regular decagon. The platter has an area of 161 square inches and a side length of 4.6 inc
REY [17]

When I saw this, I said to myself  "Self !  We don't know anything about
decagons.", and then I went searching online for stuff about decagons.
This just goes to show how stupid I can be when I don't take a little time
to THINK before I go running around screaming.

-- When you draw all the lines from the center to the vertices of the
decagon, you'll have 10 little triangles.

-- The area of the whole thing is 161 square inches, so the area of each
little triangle is 1/10 of that . . . . . <em>16.1 square inches</em>.

-- The area of each little triangle is  (1/2) (base) (height), just like
every other triangle.
The base is the 4.6 inches of one side of the decagon.
              
                                                  Area = (1/2) (base) (height)

Multiply each side by 2:         2 x area = (base) x (height)

Divide each side by (base):  (2 x area) / (base) = height

                              Height = (2 x 16.1) / (4.6) =  <em>7 inches</em> .

Let that be a lesson to both of us.
THINK before you jump.


6 0
4 years ago
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