Rational because you can write that as 39/1, and irrational numbers cannot be written as fractions.
0.1675 rounded to the nearest hundredth is 0.17.
Answer:
Step-by-step explanation:
y=9 when x=8
y=18 .............x=?
y=9/8 *8= 9/8 *x
x=y :9/8=18 :9/8=18*8/9=16
so b is correct
x+y = 47
x-y = 21
------------ add together
2x =68 divide by 2
x=34
x+y = 47
34+ y = 47
subtract 34 from each side
y = 13
the two numbers are 34 and 13
If a student runs 4K in 1/2 hours, then he would run 8k In 1 hour, so,
8km/h