Answer: Domain:
{
1
,
3
,
4
,
6
,
8
}
Step-by-step explanation:
The domain is the set of all the values of
x
.
S = sisters ages
M =2S +7
M=13
13 = 2S+7
subtract 7 from each side
6 = 2S
divide by 2
3=S
sisters age is 3
I used a dash line because the term 'less than' does not include the value itself.
Answer:
12/30
Step-by-step explanation:
So we know that the denominator-numerator=18
And we also know that it's equal to 4/10 or 2/5.
Soooooooooooooo the most easiest is just to trial and error: 12/30
But I don't really know the more complex formula...
Answer:
$8.95
Step-by-step explanation:
you add 7+6+9=22 196.90 divided by 22 is 8.95 hope this helps
