Respuesta :

chetankachana

Answer:

a. 0

b. 6.84

c. -5.22

These are values rounded to the nearest hundredths.

Step-by-step explanation:

a.

Dot product:

  • [tex]7 * 9 * cos(90)\\[/tex]
  • [tex]63 * 0[/tex]
  • [tex]0[/tex]

b.

Dot product

  • [tex]3 * 4 * cos(55)[/tex]
  • [tex]12 * 0.57[/tex]
  • [tex]6.84[/tex]

c.

Dot product

  • [tex]2 * 3 * cos(150)[/tex]
  • [tex]6 * -0.87[/tex]
  • [tex]-5.22[/tex]

-Chetan K

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