A proper fraction<span> is a </span>fraction<span> where the numerator (the top number) is less than the denominator</span>
2 by 7 + – is equals to 1 so we can say that x.
x=1-2/7
x=7/7-2/7
x=5/7
1.403 > 1.1
1.1 = 1.100
1.403>1.100
Letter D
A = 135°
B = 30°
cosAcosB - sinAsinB = cos(A+B)
cos(135°+30°)
cos(165°)
Answer:
To clean 20 identical rooms 5 people will take 1 hour .
Hope It Helps You.
