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Alex17521 [72]
3 years ago
12

Measure of angle CXF

Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0
50°

angle CXF and DXF are complementary which means they add to 90°

to 40° + x = 90
x = 50
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the sum of interior angles of a regular polygon has 540 degrees. find the measure of each interior angle of the polygon.​
ss7ja [257]

108 for one interior angle is my answer. not sure if it's right tho

7 0
3 years ago
Solve the system of equations. x+2y=6; 3x-14y=8 please help
ira [324]
Let x = 6 = 2y so
3(6 - 2y) + 14y = 8 so
18 - 6y + 14y = 8 so
8y = -10 and
y =  \frac{ - 10}{8} =   - \frac{5}{4}  \\  \\ since \: x = 6 - 2y \\ 6  - 2( \frac{ - 5}{4}) = x  \: so \\ x = 6 +  \frac{10}{4} =  \frac{24}{4} +  \frac{10}{4} =  \frac{34}{4} =  \frac{17}{2}

8 0
3 years ago
Determine the axis of symmetry for the function f(x)= -2(x + 3)2 - 5.
ehidna [41]

Answer:-2.125

Step-by-step explanation:

1. simplify the function

-2(x+3)2-5

(-2x-6)2-5

(-4x-12)-5

-4x-17

2. formula for axis of symmetry: -b/2a

a=-4 b=-17

-(-17)/2(-4)=17/-8=-2.125

5 0
4 years ago
Read 2 more answers
Please help this is TIMED!
Thepotemich [5.8K]

Answer:

angle 1 = 51 degrees

angle 2 = 18 degrees

angle 3 = 123 degrees

angle 4 = 39 degrees

Step-by-step explanation:

angle 2 = 90-72 = 18

angle 3 = 180 - 57 = 123

angle 4 = 180 - 123 - 18 = 39

angle 1 = 90 - 39 = 51

5 0
3 years ago
Read 2 more answers
Type your answer into the boxes.
vladimir2022 [97]

she arrived at 2:15

Step-by-step explanation:

i think ut correct

7 0
3 years ago
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