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Marizza181 [45]
3 years ago
14

I am thinking of a number.

Mathematics
1 answer:
labwork [276]3 years ago
5 0

Answer:

1, 2, and 4.

Step-by-step explanation:

Have a nice day! :-)

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EFV and EDW are straight lines.<br>Find the value of x and of y.​
Makovka662 [10]

Answers:

x = 72

y = 83

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

Explanation:

Angle VFG is 50 degrees. The angle adjacent to this is angle EFG which is 180-50 = 130 degrees.

Angle HDW is 77 degrees. The supplementary angle adjacent to this is 180-77 = 103 degrees which is angle EDH.

Pentagon EFGHD has the following five interior angles

  • E = x
  • F = 130
  • G = 170
  • H = 65
  • D = 103

Note that angles F = 130 and D = 103 were angles EFG and EDH we calculated earlier.

For any pentagon, the interior angles always add to 180(n-2) = 180(5-2) = 180*3 = 540 degrees.

This means,

E+F+G+H+D = 540

x+130+170+65+103 = 540

x+468 = 540

x = 72

---------------------------------------

Now focus your attention on triangle THS

We see that the interior angles are

  • T = y
  • H = 65
  • S = 32

The angle H is 65 degrees because it's paired with the other 65 degree angle shown. They are vertical angles.

For any triangle, the angles always add to 180

T+H+S = 180

y+65+32 = 180

y+97 = 180

y = 180-97

y = 83

7 0
3 years ago
How much is 10% off 900$
Goryan [66]
$810 !! hope this helps :)
3 0
3 years ago
If y=3 when x=9 find x when y=1<br> &amp; if y=2 when x=0.5 find y when x=3
hram777 [196]
I got -19/655 and i know for sure this isnt the correct answer.
4 0
3 years ago
Need the answer fast, please
Nikitich [7]

Answer:

d

Step-by-step explanation:

2x+3x-9-1

x

<em><u>2 ^{2}  + 4x - 10</u></em>

4 0
2 years ago
Solve the equation using inverse operations. Check your solutions. In your final answer, include all of your work.
EastWind [94]
To find it multiply 2x5=10 = ^2=10 + 5=15
3 0
3 years ago
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