M and N are not angles but they are lines. If we are talking about lines, yes the two of them are parallel as they do not intersect.
2 i believe because if .25 is equal to 1/8 then that mean the 4/8 would be equal to 1 and in turn 8/8 would equal 2.
Answer:
x = 12
Step-by-step explanation:
given 2x - 7 = 5 + x ( subtract x from both sides of the equation )
x - 7 = 5 ( add 7 to both sides )
x = 12
Answer:
20
Step-by-step explanation:
The questions asks about Combinations of Pizza toppings, so by employing the Combination Formula:
![C(n, k) = \frac{n!}{k!(n-k)!}](https://tex.z-dn.net/?f=C%28n%2C%20k%29%20%3D%20%5Cfrac%7Bn%21%7D%7Bk%21%28n-k%29%21%7D)
![C(6, 3) = \frac{6!}{3! \cdot 3!} = \frac{6 \cdot 5 \cdot 4 \cdot 3 \cdot 2}{3 \cdot 2 \cdot 3 \cdot 2} = 20](https://tex.z-dn.net/?f=C%286%2C%203%29%20%3D%20%5Cfrac%7B6%21%7D%7B3%21%20%5Ccdot%203%21%7D%20%3D%20%5Cfrac%7B6%20%5Ccdot%205%20%5Ccdot%204%20%5Ccdot%203%20%5Ccdot%202%7D%7B3%20%5Ccdot%202%20%5Ccdot%203%20%5Ccdot%202%7D%20%3D%2020)
answer:
a = 15
b = 84
c = 81
steps
a+b+c=180
b=3a+39
c=a+66
a+3a+39+a+66=180
5a + 105 = 180
5a = 75
a = 15
b=3a+39
b=3(15)+39
b=45+39
b=84
c=15+66
c=81
https://www.wyzant.com/resources/answers/292883/i_don_39_t_get_how_to_put_it_into_a_formula