The order of operations is PEMDAS. So it would be 8.4 +(13.1 - 0.6) = 8.4 + 12.5 = 20.9
Answer:
-3x - 7y = 36
Step-by-step explanation:
The given line -3x - 7y = 10 has an infinite number of parallel lines, all of the form -3x - 7y = C.
If we want the equation of a line parallel to -3x - 7y = 10 that passes through (-5, -3), we substitute -5 for x in -3x - 7y = 10 and substitute -3 for y in -3x - 7y = 10:
-3(-5) - 7(-3) = C, or
15 + 21 = C, or C = 36
Then the desired equation is -3x - 7y = 36.
9514 1404 393
Answer:
C. 39°
Step-by-step explanation:
The measure of the angle where the chords cross is the average of the measures of the subtended arcs.
x = (AB +CD)/2 = (28° +50°)/2 = 78°/2
x = 39°
Answer:
HCF=12
Step-by-step explanation:
60
2 30 60/2=30 60= 2×2×3×5
2 15 30/15=2
3 5 15/3=5
96
8 12 96/8=12 96= 2×2×2×2×2×3
2 4 2 6 12/6=2
2 2 2 3 6/3=2
HCF= 12
We can see that there are two 2s and one 3 in common between 60 and 96 so we times the two 2s and 3 to get 12
