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
marta [7]
3 years ago
14

Find u•v when u= 12i+4j and v=15i-5j

Mathematics
1 answer:
qaws [65]3 years ago
5 0

u.v= (12i+4j).(15i-5j)

=180-20

=160 ans..

You might be interested in
Marsha's house is located on the coordinate plane below. Tasha's house is located 6 units from Marsha's house. Which of the foll
Gekata [30.6K]

B 4,2 because it is 6 units away from the point

3 0
2 years ago
The terminal sides of 60º angle and 240º angle lie on the same line. True False
DerKrebs [107]
The answer is true..
8 0
3 years ago
Read 2 more answers
Determine the measure of the third angle. * o 48° O 62° O 70° 132 180°
Ede4ka [16]

Answer:

B. 30°

Step-by-step explanation:

5 0
2 years ago
You're baking a cake with a ratio of 3:4. If you use 2 cups of flour,how many cups of sugar will you use?
Vinil7 [7]

Answer:

2 2/3 cups of sugar

Step-by-step explanation:

If your ratio is 3 flour to 4 sugar, and you use 2 cups of flour, set up your proportion as follows:

\frac{3}{4}=\frac{2}{x}

Cross multiply to get 3x = 8 and x = 8/3 which is 2 and 2/3 cups of sugar.

5 0
2 years ago
What is the price of a $500 tv after a 20% discount?
Hunter-Best [27]
It’s going to be 400 dollars, 20percent is 100 dollars
8 0
2 years ago
Other questions:
  • At the moment a hot iron rod is plunged into freezing water, the difference between the rod's and the water's temperatures is 10
    12·2 answers
  • Explain how you can find 3x 584 using expanded form
    10·2 answers
  • PLEASE HELP MATH QUESTION
    12·1 answer
  • Please help me with this I need it now :)
    10·1 answer
  • Answer the question below
    12·1 answer
  • What's the slope and intercept of y=4x-7
    7·1 answer
  • Write the standard equation of the circle with the given Center and radius:
    8·1 answer
  • A girl 5 ft tall is walking away from a lamp post that is 12 ft high. If the girl is walking at a speed 7ft/s, how fast is the t
    7·1 answer
  • Find the length of the midsegment of each trapezoid.<br> 12)
    8·1 answer
  • A certain big company classifies its employees according to gender, age-group (6 categories) and employment type (10 categories)
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!