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makkiz [27]
3 years ago
6

3x+11 in a right angle

Mathematics
1 answer:
Anna11 [10]3 years ago
5 0
To find the x value...
First of all, we know that all angles in the triangle total up to 180 degrees. 
Also, we know that because it is a right angle, there is a little square that means 90 degrees.
we are given one of the angles as 25 degrees

Let's make an equation to solve for the value x then the angle measure
3x + 11 + 25 + 90 = 180
combine like terms
3x + 126 = 180
subtract 126 from both sides to start isolating the variable x
3x = 54
now we will divide both sides by 3 to isolate the variable x
x = 18

Now we aren't done
plug in the value of x into the angle we have to solve for
3x + 11
3 ( 18) + 11
54 + 11
65
The missing angle measure is 65 degrees

Hope this helps :)
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Considering order of operation, parenthesis must be simplified first.

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4). \ ((11+ 2)-(24+2)^2)\times 2^2 = (13 - 676) \times 4  = (-663)\times 4 = -2652

5). \ ((4+3)^2+ 6) -5+3^2= (49 + 6) - 5 + 9= (49+6+9) - 5 = 64-5 = 59

6). \ (20+ 2)^2 +((15+7)+2^2)= (484) + (22+ 4)= 484 + 26 =510

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8). \ (6^2+ (24+ 3+5^2)) - 3^2= (36 + (52)) - 9 = (88) - 9 = 79

9). \ ((10-4)^2\times 2) + 2 + 2^2= ((6)^2 \times 2) + 2 + 4 = (36\times 2)+ 6 = 72 + 6 = 78

10). \ (7^2 + (16 + 8 + 2^2)) + 3^2 = (49 + 28) + 9 = 78 + 9 = 87

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