1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
raketka [301]
2 years ago
5

Find a ⋅ b. a = 9i + 5j, b = 4i + 3j

Mathematics
2 answers:
aksik [14]2 years ago
4 0

Answer:

Step-by-step explanation:

51

<13, 8>

<36, 15>

-21

N76 [4]2 years ago
3 0
9i+5j x 4i+3j
Factor
=9i+20ij+3j
= (9+20j)i+3j
=3j+(9+20j)i =answer
You might be interested in
A football coach is trying to decide: When a team is ahead late in the game,
brilliants [131]

Answer:

I play football and my coach will do this: Play a "prevent* defense that guards against long gains but makes short

gains easier.

Step-by-step explanation:

8 0
2 years ago
Texas chic. Next question
Maksim231197 [3]
When u have an outlier, u want to use the median.....in this case, the median is 4
4 0
3 years ago
Anya saw the following equation and said she can tell this is also true far any value of x. 20(x+2)+31=4(5x+10)+31​
andre [41]

Answer:

x=0

This can be solved by reasoning.

And confirmed by substituting 0 into the expression.

6 0
2 years ago
What is the circumference of the following circle?
satela [25.4K]

Answer:

9.42 or 3pi

Step-by-step explanation:

equation of a circle is 2*pi*r

2r is d which is 3 so the answer would be 3pi which equals about 9.42

4 0
2 years ago
Covert 4,400 centimeters to meters
patriot [66]

Answer:

44 meters

Step-by-step explanation:

4400 cm                 1m

-----------   times  --------

m                       100 cm      

4400/100

44 meters

6 0
3 years ago
Read 2 more answers
Other questions:
  • The intersection of two lines is a(n)<br> Geometry
    8·2 answers
  • Find the vertex, focus, directrix, and focal width of the parabola. <br><br> x2 = 20y
    13·2 answers
  • Kiran’s family is having people over to watch a football game. They plan to serve sparkling water and pretzels. They are prepari
    9·1 answer
  • What is -5+x/4&gt;1? <br> Thanks!
    15·1 answer
  • Which is a true statement about an exterior angle of a triangle?
    6·1 answer
  • X=y^2-1
    5·1 answer
  • will a 13 inch rusty metal bar fit into a box (rectangular prism) with dimensions 9 inches by 8 inches by 3 inches?
    6·2 answers
  • WILL GIVE BRAINLIEST BUT PLEASE ANSWER NOWWWWWWW MUST BE CORRECT
    11·2 answers
  • An arc length is a fractional part of the
    14·1 answer
  • A recent survey shows that the average man will spend 141,288 hours sleeping, 85,725 hours working, 81,681 hours watching televi
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!