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
musickatia [10]
3 years ago
8

Help! Find the value of x for which ABCD must be a parallelogram.

Mathematics
1 answer:
Stolb23 [73]3 years ago
5 0
3
In a parallelogram, the diagonals (the lines inside from corner to corner) bisect each other. That means the two halves of the diagonal are equal to each other.
So
-9-6x=x-30
-9-6x+6x=x-30+6x
-9=7x-30
21=7x
x=3
You might be interested in
A line has a slope of 3 and contains the point (-1, -8). Which equation represents the line?
jasenka [17]
Your answer is C, <span>y+8=3(x+1)</span>
8 0
3 years ago
eight members of a chess club are having a tournament. in the first round every player will play a chess game against every othe
Vlad1618 [11]
There will be 4 games in the first round because 8 members divided by 2 players per games equals 4 games. I hope that was what you were asking? If not let me know
5 0
3 years ago
A function has the ordered pairs​ (1,3), (7,4),​ (8,6), and​ (9,y). What restrictions are there on the value of y so that the in
nordsb [41]

Answer:

  y cannot be 3, 4, or 6

Step-by-step explanation:

If the function is to have an inverse, the y-values cannot be repeated. This means ...

  y ∉ {3, 4, 6}

4 0
4 years ago
4x^2 - 5x when x = 3<br><br><br> ^ is squared
weeeeeb [17]

Answer:

-5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
MATH HELP PLEASE!!!
Galina-37 [17]
The answer is -6 and 6
3 0
3 years ago
Other questions:
  • Idk how to find percentage
    10·1 answer
  • Simplify √16a^8 b^-2<br><br> A. 4 a^4/b^2<br> B. 4 a^4/b <br> C. 4a^4b<br> D. 4a^4b^2
    10·1 answer
  • -(5x+1)=-6x+3+2x+0+0+0+0
    7·1 answer
  • What are the vertical asymptotes of the function f(x) = the quantity of 2 x plus 8, all over x squared plus 5 x plus 6?
    13·2 answers
  • X2 +8x+16=0 in factoring algorithm
    6·1 answer
  • Jerome purchased a 4-year old car for $12,000. He was told this make a model depreciates exponentially at a rate of 5.7% each ye
    13·1 answer
  • Plz answer quick I need to get it bc it’s a quiz
    15·2 answers
  • A 10 meter ladder is leaned up against a building. If
    8·1 answer
  • Which of the bbb-values satisfy the following inequality?
    14·1 answer
  • In September, Ana did laundry 24 out of the 30 days in the month. Which value is equivalent to the fraction of days she did the
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!