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
koban [17]
4 years ago
6

If A=(-1,1), B=(5,-2), C=(2,3), D=(a,5) and vector AB is parallel to vector DC, find the value of 'a'.

Mathematics
1 answer:
____ [38]4 years ago
5 0

Answer:

a = 3

Step-by-step explanation:

\vec{AB} = \\\vec{DC} =  = \\\vec{AB} \perp \vec{DC} => \vec{AB} \cdot \vec{DC} = 0 = 6(2-a) + (-3)(-2) = 0\\12 - 6a + 6 = 0\\6a = 18\\a = 3

You might be interested in
Find the measure of angle d when angle a is 128 angle b is 126 and angle c is 54
amm1812

Step-by-step explanation:

sum of four angles=360°

a=128

b=126

c=54

d=?,let d=x

128+126+54+x=360°

308+x=360

find like terms

x=360-308

x=52°

7 0
3 years ago
How do I do this table !!!
erma4kov [3.2K]

Answer:

Step-by-step explanation:

just mutiply  120 by 1,2,3,4,5,6,7,8

7 0
4 years ago
What two numbers make on thousand
Igoryamba

Answer:

500 and 500

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which type of graphs show individual data?
murzikaleks [220]

line grapgh

Step-by-step explanation:

im a teacher

4 0
3 years ago
Read 2 more answers
Austen owns seven-sixte
dusya [7]

Answer:

Austen's share of the business was $364000.

Step-by-step explanation:

Austen owns \frac{7}{16} of a jewelry store.

Now, it is given that the total investment for the store was $832000.

If we consider the share of Austen in the business is of $x, then we can write that  

x = ( 832000 \times \frac{7}{16} )

⇒ x = $364000

Therefore, Austen's share in the business is of $364000 value. (Answer)

7 0
3 years ago
Other questions:
  • Please help ASAP giving 35 points
    10·1 answer
  • How do you solve 2 7/10+ 2 4/5?
    5·1 answer
  • What is the answer to -5-2x=3-6x
    7·1 answer
  • Number 2 help plz help
    9·1 answer
  • Help please! Question is in the photo! :)
    15·2 answers
  • What is the value of - (-5)?
    11·1 answer
  • F (x) = 3x^2 - 10x + 4
    9·1 answer
  • In ΔHIJ, j = 98 cm, h = 38 cm and ∠I=23°. Find the length of i, to the nearest centimeter.
    6·1 answer
  • A clock is located on a wall, and the "12" on the face of the clock is 8 feet above the floor. A small mirror is placed on the f
    9·1 answer
  • Can someone please give me the answer . help me understand
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!