Answer:
The answer is D (7).
Step-by-step explanation:
If you plug in 2 where x is, you get 4*2 -1, which is 8-1, which equals to 7.
If the angles of a convex octagon are
then the smallest angle is 21°.
Given The exterior angles of convex octagon are 
and we have to find the value of smallest angle.
The sum of the angles of a convex octagon is 360°
so to calculate the smallest angle we need to find out the value of x first and which is calculated by summing up all the exterior angles and put them equal to 360.
(2x+6)+(x+13)+(2x-1)+(2x+12)+(2x-17)+(3x-4)+(3x-10)+4x=360
2x+6+x+13+2x-1+2x+12+2x-17+3x-4+3x-10+4x=360
2x+x+2x+2x+2x+3x+3x+4x+6+13-1+12-17-4-10=360
19x-1=360
19x=360+1
19x=361
x=361/19
x=19
Putting the value of x in all the angles and we will find the following:
2x+6=2*19+6=44
x+13=19+13=32
2x-1=2*19-1=37
2x+12=2*19+12=50
2x-17=2*19-17=21
3x-4=3*19-4=51
3x-10=3*19-10=47
4x=4*19=76
Hence among all the exterior angles the smallest angle is 21°.
Learn more about angles at brainly.com/question/25716982
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47 1/2 oil
9 1/2 vinegar
Add the 5and 1 from the 5:1 ration to get 6. Divide 57 by 6 to get 9.5
Multiply 5 and 1 by 9.5 to get 47.5 and 9.5 as the answer
Answer:
The frequency of the car is 0.0233743 laps/sec and 1.4024 laps were completed in 60 seconds
Each friend will get 4 carrots. Add up 7,5,4,1,3 and divide by 5