Answer:
18.5
Step-by-step explanation:
Population size:4
Mean (μ): 70.5
Mean Absolute Deviation (MAD): 18.5
If you need to answer questions like these use Socratic it helps
Let's rewrite the information then figure out the answer.
DVD: $9.00 originally but on sale with an 80% discount.
80%=0.80
9.00(0.80) = $7.20
$9.00 - $7.20 = $1.80
Thus, the sales price is: $1.80
Answer To Question (A)
4.9 lb of zinc produce 8:5:7
Answer To Question (B)
You'll need 1.7 pounds of zinc and copper in a ratio of 2:7:9.
Hope That Helps ;)
Answer:
Exact Form:
√14
Decimal Form:
3.74165738
Step-by-step explanation: