Answer:
x = 5
Step by step explanation:
2/5 = 0.4
7 ÷ 1.4 = 5
x = 5
Answer:
C. 6
Step-by-step explanation:
8^2+r^2=10^2
64+r^2=100
r^2=36
Therefore, r=6
Reliable taxis : for 30 miles
C = 1.5x....x = 30
C = 1.5(30)
C = 45
speedy taxis : for 30 miles
C = 1.1x + 11.5....x = 30
C = 1.1(30) + 11.5
C = 33 + 11.5
C = 44.5
city taxis : for 30 miles
C = 1.25x + 8...x = 30
C = 1.25(30) + 8
C = 37.5 + 8
C = 45.5
the cheapest company is : speedy taxis
A - b is NOT always natural. Eg 4 - 7 = -3 therefore not in the natural number set.
ab is always natural
a/b is NOT always natural. Eg 4/7
So the answer to the question is (b) only II must be a natural number answer.
The answer is C. The product of 3/4 and 7/8 is greater than 7/8
