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
Blizzard [7]
3 years ago
14

Find a · b. |a| = 4, |b| = 7, the angle between a and b is 2π/3

Mathematics
1 answer:
galben [10]3 years ago
5 0

Answer:

-14

Step-by-step explanation:

a·b = |a|×|b|×cos(angle between them)

= 4×7×(-1/2)

= -14

You might be interested in
Which is the answer for -1/3y + 4 = 3
N76 [4]

2/1

Step-by-step explanation:

_1/3y=_1

y=_1+3/1

y=2/1

4 0
3 years ago
A box contains 18 balls numbered 1 through 18. Two balls are drawn in succession without replacement. If the second ball has the
erica [24]

Answer:

3 out of 18

i think

Step-by-step explanation:


7 0
3 years ago
Answer the following questions about slope and y-intercept.
Juliette [100K]

Answer:

1. The y-intercept

2. The  slope of the equation represent the relationship between the time duration in which Clarissa eats chocolate is 1/10

Step-by-step explanation:

1. The value of the y coordinate at the point which the graph meets the y-axis is called to the y-intercept. It is the value at which the x-coordinate is equal to zero, that is, the coordinate of the point at the y-intercept = (y, 0)

2. Given that Clarissa eats 1 piece of chocolate every 10 seconds, we have the  slope of the equation represent the relationship between the time duration in which Clarissa eats chocolate is 1/10.

6 0
3 years ago
The area of a curved surface of a cylinder is 4400cm² and the circumference of its base 110cm. Find the height of the cylinder.​
love history [14]

Answer:

please ap bhi mujhe follow kar lo please

7 0
3 years ago
Read 2 more answers
PLSSSS HELPP ASSPPPP!!!!
Rina8888 [55]

Answer:

33 gallons

Step-by-step explanation:

44/20 = 2.2

$2.2 per gallon

2.2x15

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is 85% of 17,000 dollars that is asked on your irs tax forms
    9·1 answer
  • Please help me out! polynomial long division
    12·1 answer
  • A radio station had 135 tickets to a concert. They gave away 4 times as many tickets to listeners as to employees. How many tick
    5·2 answers
  • Which is the most efficient way to solve this equation? x+4=17
    13·1 answer
  • Write a unit rate for the situation
    8·2 answers
  • If 4x+3y=10 and 2x+7y=20, determine a coefficient for x that makes the equation below true.
    15·1 answer
  • Carmen is printing an essay that is 15 pages long, and each page contains 52 lines of text. It takes her 5 minutes to print the
    14·1 answer
  • Help please, I dont know what to put.<br><br> SLOPES!
    14·2 answers
  • In one round of a board game, Chrissy scored 43 points. In the next round, she lost 103 point
    13·1 answer
  • What is 2 1/5+3 1/2 the answer
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!