Answer:
16 m^2
Step-by-step explanation:
Area of triangle = (Base * Height) / 2
Area of triangle = ( 8 * 4 ) / 2
Area of triangle = 16
Answer:
56 and there will be 1 foot of ribbon left over
Step-by-step explanation:
225/4=56.25
Answer:
25% biked to the beach
Step-by-step explanation:
We know a whole is 100%
We first have to do
30+45=75
then we can do
100-75=25
25%
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.
Answer:
I got 219 but I'm not sure that's the answer.
Step-by-step explanation: