Answer:
it would take 23 hours
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
The segment BC joining the midpoints of 2 sides of the triangle is
Half the length of the third side, that is
x + 31 = 2(x + 19)
x + 31 = 2x + 38 ( subtract x from both sides )
31 = x + 38 ( subtract 38 from both sides )
- 7 = x → A
When adding or subtracting fractions the denominators must be the same
convert 9 to 27/3
27/3-51/3= - 22/3 or - 7 1/3
nope this helps