Answer:
c
Step-by-step explanation:
40x3.14=125.6
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.
False, it may change the side length (not 100% sure) but I know for sure dilating doesn't change the angle
5[6+(3•8)]
5(6+24)
30+120
=150
Answer:
That something unexpected is about to happen.
Step-by-step explanation:
