Answer:
Step-by-step explanation:
Euler's formula is
V - E + F = 2
Givens
V = 15
E = 15
F = ?
Solution
15 - 15 + F = 2
F = 2
I'm not sure this makes sense, but it is what the formula gives you.
Answer:
a=29/42
Step-by-step explanation:
6a-1÷7=4
first write the division as a fraction
6a-1/7=4
add 1/7 to each side
6a=4+1/7
which is equal to
6a=29/7
divide both sides by 6
a=29/42
C hope that helps
Hahahaha :) goo day
Answer:
40 degrees
Explanation:
A supplementary angle is when two angles add up to equal 180 degrees. So to figure out that one it would be 180-140=40. The other angle is 40 degrees.
Answer:
2x + 50 = 100
Step-by-step explanation:
twice a number would be represented as 2x. And 50ore than that would be + 50. And since it equals 100 it would be = 100.
