648.566 Km is the answer. :)
5 = what percent of 23
5 = x% of 23
5 = (x/100)*23
5 = 23x/100
5*100 = 23x
23x = 5*100
x = 5*100/23
x = 21.739
5 is ≈ 21.739% of 23
Answer: Use this rule to change the term to a radical:
x
1
n
=
n
√
x
18
1
2
⇒
2
√
18
⇒
√
18
We can simplify this expression, if necessary, by using this rule for radicals:
√
a
⋅
b
=
√
a
⋅
√
b
√
18
⇒
√
9
⋅
2
⇒
√
9
⋅
√
2
⇒
3
√
2
Step-by-step explanation:
take out some of the x's and take out a two so it should look like this.
2x^5(x2-2x-35)
2x5(x-7)(x+5)
x=0,7,-5