Answer:
danny offers the better deal
Step-by-step explanation:
danny
44/4=11
$11 am hour
martin
24/2=12
$12 an hour
Speed = Distance/Time
Time = Distance/Speed
Time = 17.6/11
= 1.6 hrs
Answer:
-1
Step-by-step explanation:
it was invented in 500b.c. when there were dinosaurs <span />
Answer:
30
Step-by-step explanation:
For a = <xa, ya> and b = <xb, yb>, the dot product is the sum of products ...
a·b = (xa)(xb) + (ya)(yb)
Substituting the given information, you have ...
a·b = 5·4 + 2·5 = 20 + 10
a·b = 30
_____
Some graphing calculators can do such math. There are also dot product calculators available on the Internet. If you have quite a few of these to calculate, you can put the appropriate formula into a spreadsheet.
