It is necessary to apply inverse operation on both sides of the equal sign when solving equations in order to maintain the balance of the equality sign.
An inverse operation are two operations which undo each other, thus, inverse operations on both sides of an equation helps to keep the equations equal.
Answer:
they've watched tv for 10 hours last week
Step-by-step explanation:
0.9X = 9
X = 10
Convert the mixed numbers to improper fractions, then find the LCD and combine.
Exact Form:
−1/2
Decimal Form:
−0.5
X/4.24= 6.82/2.2
x= 4.24*6.82/2.2
x= 1.36
Explanation:
If x/4.24 = 6.82/2.2
then 4.24*6.82= 2.2x
Answer:
6: S
7: C
8: C
9: C
10: N
11: C
12: S
13: S
14: N
15: C
Step-by-step explanation:
Complementary angles add to 90 degrees.
Suplementary angles add to 180 degrees.
