Answer:
x = 19
Step-by-step explanation:
123°+3x = 180°
3x = 180°-123°
3x = 57
x = 57/3
x = 19
The reason why we use 123° + 3x = 180° because both are adjacent angles. Adjacent angles add up to 180°
When dividing fractions, we follow a rule called "Keep, change, flip"
Basically, you keep the first fraction the same, change the sign to a multiplication sign, and flip the second fraction.
2 = 2/1
7 * 1 + 6 = 13
2/1 * 7/13 = 14/13 = 1 1/13
2 divided by 1 6/7 = 1 1/13
3 3/5 = 18/5
2 1/4 = 9/4
18/5 * 4/9 = 72/45 = 8/5 = 1 3/5
3 3/5 divided by 2 1/4 = 1 3/5
4 1/2 = 9/2
2 3/8 = 19/8
9/2 * 8/19 = 72/38 = 36/19 = 1 17/19
4 1/2 divided by 2 3/8 = 1 17/19
Answer:
C
Step-by-step explanation:
0.000008 = 8x10^-6
Count how many moves will take the decimal point from it's current position to the right of 8.
That's 6 times.
Or simply count the total number of zeros before 8.
<span>R−Z</span><span> is a union of countable many open sets so </span><span><span>R−Z</span><span>R−Z</span></span><span> is open
I actually didn't know that I had to look it up and got my answer from another site, oppsie doopsies
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