A=<4.60,7.20>
b=<5.10,2.70>
The scalar product, or the inner product, or the dot-product, is by summing the products of the respective directions,
a.b=4.6*5.1+7.2*2.7
=23.46+19.44
=42.9
Answer:
about a half teaspoon
Step-by-step explanation:
Answer:

Step-by-step explanation:
Length of the rectangle = 
Width of the rectangle = 
<u>Area of the rectangle:</u>
= Length × Width
![\displaystyle = \frac{9}{4} \times \frac{17}{5} \\\\= \frac{9 \times 17}{4 \times 5} \\\\= \frac{153}{20} \\\\= 7 \frac{13}{20} \ in.^2\\\\\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%3D%20%5Cfrac%7B9%7D%7B4%7D%20%5Ctimes%20%5Cfrac%7B17%7D%7B5%7D%20%5C%5C%5C%5C%3D%20%5Cfrac%7B9%20%5Ctimes%2017%7D%7B4%20%5Ctimes%205%7D%20%5C%5C%5C%5C%3D%20%5Cfrac%7B153%7D%7B20%7D%20%5C%5C%5C%5C%3D%207%20%5Cfrac%7B13%7D%7B20%7D%20%5C%20in.%5E2%5C%5C%5C%5C%5Crule%5B225%5D%7B225%7D%7B2%7D)
On average he will earn: $ 84 500 / 24 = 3520.83333 US. dollars = $3520.83333 ~ $3500.00.