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Zarrin [17]
3 years ago
8

How to I make 13 subtracted from a number I a expression

Mathematics
1 answer:
Ainat [17]3 years ago
6 0

Hey there!

The expression would look like this:

13 - n OR n - 13

Hope this helps you!

God bless ❤️

xXxGolferGirlxXx

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Quiz Instructions
bazaltina [42]
I believe it would be dilated by 3/4

If you think of a rectangle, let’s say it is 8 by 4, the perimeter of this rectangle would be 24.

Now if you dilate the side values, you get 6 by 3 and the perimeter equals 18

So you then get 18/24 which is equal to 3/4

Hope this is right and makes sense! Have a good day!

7 0
3 years ago
If f^-1(x) is the inverse of f(x), which statement must be true?
k0ka [10]
F(f-1x)   will be equal to x

take a simple example 

f(x) = 2x

so x = f(x) / 2

 f-1(x) = x/2

f(f-1x) =  2 ( x/2)  = 2 * x/2 = x
5 0
3 years ago
Read 2 more answers
What are the names of these polygons mathswatch
Dvinal [7]

Answer:

it definitely has eight sides so I'm not completely sure but try Nonagon (9 sides) and heptagon (7 sides) Just in case if not I think maths watch is bugged as it does that sometimes <3

8 0
3 years ago
Find the lateral area for the pyramid with the equilateral base.
Dafna11 [192]

Answer:

Option A is the correct answer.

Explanation:

 The given pyramid has 3 lateral triangular side as shown below.

 Base of triangle = 12 unit

 We need to find perpendicular.

  By Pythagoras theorem we have

            Perpendicular² = 10²-6²

           Perpendicular = 8 unit

So area of 1 lateral triangle = 1/2 x Base x Perpendicular.

                                             = 1/2 x 12 x 8 = 48 unit²

Area of lateral side = 3 x 48 = 144 unit²    

Option A is the correct answer.                

7 0
3 years ago
Read 2 more answers
Brooke has to set up 70 chairs in equal rows for the class talent show. But, there is not room for more than 20 rows. What are t
-Dominant- [34]
5 rows of 14 chairs
7 rows of 10 chairs
Or
14 rows of 5 chairs
10 rows of 7 chairs
6 0
3 years ago
Read 2 more answers
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