Answer:
I. 5
Step-by-step explanation:
- 140° and 8x° are on the straight angle and they are both equal 180°
to find the value of x:
140 + 8x = 180
8x = 180 - 140
8x = 40
x = 40/8
x = 5
Answer:
46.58%
Step-by-step explanation:sorry if wrong
When grades are expressed as a quantity of 1, such as two feet per second or 5 miles per hour, they are called unit rates.
Answer:
Step-by-step explanation:
The solution of system of equations is x=1.5 and y=2.75. It means, the yards of silk are 1.5 and yards of cotton are 2.75.