Answer:
3,9,12
Step-by-step explanation:
The range is option A 3,9,12
Answer:
(11)
Step-by-step explanation:
If it varies directly, you need to find k, the constant of proportionality.
This is done by plugging the values in for x & y that are known.
y = kx
18 = k(5)
= k
Now solve for y when x is 11.
y = (11)
y = 39.6
11. No
12. 85
13. 5 square root of 2
14.
Answer:
44.2
Step-by-step explanation:
7 + 14 + 21 + ... + 105 =
= 7(1 + 2 + 3 + ... + 15)
= 7(15)(16)/2
= 840