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Murljashka [212]
3 years ago
6

Can someone please explain to me how to solve #7?

Mathematics
1 answer:
aivan3 [116]3 years ago
3 0
Sum of all angles inside of a triangle equal 180 degree

The sum of obtuse angles (the one inside of the triangle, bottom right and the one next to is ) must total 180 degrees

so first I would do the obtuse ones

180 = x +15x-4
180 = 16x - 4
184 = 16x
x = 11.5 degrees

so now I would do the inside triangle angles...tell me what you got


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Yes I mfffffhu hubby high blood hijab jgddy
7 0
3 years ago
Plz help and plz show work
emmainna [20.7K]

Answer:

one solution and x=40

Step-by-step explanation:

8x-32=6x+48

2x=80

80÷2

x=40

7 0
4 years ago
Read 2 more answers
PLEASE HELP!!
Katena32 [7]
The formula for a regular polygon, which this one is, is A = 1/2 ap where a is the apothem and p is the perimeter.  20.8 * 7 = 145.6 which is the perimeter, so now just multiply by 21.6 and .5.  145.6 * 21.6 * .5 = 1572.48, or B above.
3 0
3 years ago
Hiiiiii peoples<br><br> Solve the inequality 6x^2-x&lt;2 please show all steps
Orlov [11]

Answer:(3x−2)⋅(2x+1)

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  

STEP

1

:

Equation at the end of step 1

 ((2•3x2) -  x) -  2

STEP

2

:

Trying to factor by splitting the middle term

2.1     Factoring  6x2-x-2  

The first term is,  6x2  its coefficient is  6 .

The middle term is,  -x  its coefficient is  -1 .

The last term, "the constant", is  -2  

Step-1 : Multiply the coefficient of the first term by the constant   6 • -2 = -12  

Step-2 : Find two factors of  -12  whose sum equals the coefficient of the middle term, which is   -1 .

     -12    +    1    =    -11  

     -6    +    2    =    -4  

     -4    +    3    =    -1    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -4  and  3  

                    6x2 - 4x + 3x - 2

Step-4 : Add up the first 2 terms, pulling out like factors :

                   2x • (3x-2)

             Add up the last 2 terms, pulling out common factors :

                    1 • (3x-2)

Step-5 : Add up the four terms of step 4 :

                   (2x+1)  •  (3x-2)

            Which is the desired factorization

Final result :

 (3x - 2) • (2x + 1)

4 0
4 years ago
Which expression is the result of subtracting (Z2-3i)<br> from (Z1 + 2)?<br> A<br> B<br> C<br> D
Reika [66]

Answer:

im not sure but ill try i think A

4 0
3 years ago
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