1/7 *2 =2/7 take denominator with 1 over it and multiply by numerator
Answer:
C
Step-by-step explanation:
it does not have any variables and it does not have an equal sign, so it is an expression
Answer:
monomial
Step-by-step explanation:
because it has one variable which in this case is b and one number in this case is 10
Answer:
20 cm
Step-by-step explanation:
Shadow of vertical poles : 6m ; 15m
Length of poles : 8cm ; h
8cm long pole = shadow length, 6m
h cm long pole = shadow length, 15 m
Using cross multiplication :
8cm * 15 m = h cm * 6m
120 = 6h
h = 120 / 6
h = 20 cm
Height of second pole = 20cm