Answer:
Step-by-step explanation:
1) Two angles supplementary. So sum of two angles is 180
One angle = x
Other angle = 2x
x + 2x = 180
3x = 180
x = 180/3 = 60
The angles are 60, 120
2)Two angles complementary. So sum of two angles is 90
one angle = x
Other angle = x + 20
x +x +20 = 90
2x + 20 = 90
2x = 90- 20
2x = 70
x = 70/2 = 35
The angles are 35,55
3) one angle =x
Other angle = 3x - 20
x + 3x - 20 = 120
4x = 120 + 20
4x = 140
x = 140/4 = 35
The angles are 35,85
5) x + 4x -20 = 180
5x = 180 + 20
5x = 200
x = 200/5 = 40
x = 40
6) This sum is not clear only half is visible
Answer:
2 years
Step-by-step explanation:
Let Principal = 2500
Let Rate = 4%
Let time = x
Simple Interest = Principal x time x rate
200 = 2500 x 4/100 x 'x'
200 = 100x
200/100 = x
2 = x
Brainliest?
Answer:
2.2
Step-by-step explanation:
combine like terms
So add -1/5 and -4 which comes out to -4.2
Now we can solve the equation:
-4.2+x=-2
+4.2 +4.2
0 2.2
X=2.2
