Answer:
below
Step-by-step explanation:
1)a) 6:2, 8:4
b) 8:4, 16:8
c) 2:4, 4:8
d) 10:12, 20:24
e) 6:10, 12:20
f) 8:18, 16:36
g) 14:16, 28:32
h) 20:12, 40,24
i) 2:2, 4:4
j) 4:10
2)a) 20: 25
b) 20: 80
c) 35:20
d) 20:6
3)a) yes ; times both 1 and 2 by 7
b) no ; 9 is not divisible by 2
c) yes ; 1 and 10 times 4
4) not sure i think 1 or 2 but I dont know
5x + 10x = 180
15x = 180
X = 12
5 x 12 = 60
10 x 12 = 120
The angles are 60° and 120°
The mass of the sun is 1.989 x 10 30 kilograms, about 333,000 times the mass of the Earth
Answer:
1
Step-by-step explanation:
-1 = -3x + 2
-1 - 2 = -3x
-3 = -3x
-3 / -3 = x
1 = x
Answer: 4/7
Step-by-step explanation: 8/14= 4/7