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
Goshia [24]
2 years ago
5

If x=(2a-3b),y=(2a+3b)and z=9bsquare -4absquare,show that xy+z=0​

Mathematics
1 answer:
kaheart [24]2 years ago
5 0

Answer:

<h2>Hope it helps you........</h2>

You might be interested in
Help anyone can help me do the question 4,I will mark brainlest.​
nasty-shy [4]

Answer:

Hello,

Step-by-step explanation:

A=(1,2)\\B=(0,-1)\\\overrightarrow{AB}=((0,-1)-(1,2)=(-1,-3)\ ||\overrightarrow{AB}||^2=1+9=10\\\overrightarrow{BC}=((3,-2)-(0,-1)=(3,-1)\ ||\overrightarrow{BC}||^2=9+1=10\\\\Triangle\ is\ isosceles.\\\\\overrightarrow{AB}.\overrightarrow{BC}=(-1,-3)*\left[\begin{array}{c}3\\-1\end{array}\right] =-3+3=0\\\\Triangle \ is\ right.\\\\

8 0
2 years ago
Read 2 more answers
Need help with number 3
marin [14]
IM THINKING B.)
HOPE ITS RIGHT LOL 
3 0
3 years ago
A movie club offers two plans. Plan A charges $40 to sign up for the plan and $8 for each movie ticket. Plan B charges $67 to si
Travka [436]

Answer:

9

Step-by-step explanation:

X=Tickets bought

A=$40+$8x

B=$67+$5x

After 1 ticket bought it would be:

A=$48

B=$72

After 9 tickets bought:

A=$112

B=$112

From this you can see that Plan B is better for ones who would see 9+ movies as the recurring price would be lower. If you would only go to watch a couple movies, Plan A would be better.

3 0
3 years ago
Read 2 more answers
Need help with this math question
lara [203]

Answer: A. Correlation

Step-by-step explanation: A correlation describes the relationship between two variables, so it would be A

6 0
3 years ago
4x-k=17 solve for x
Talja [164]

Step-by-step explanation:

I hope it's correct...

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is the equation of a line with a slope of -4 and a point (-2,5) on the line? Express the equation in the form of y=my+b whe
    6·1 answer
  • Given the following diagram, enter the required information.
    13·2 answers
  • Which table represents the graph of a logarithmic function in the form y-log, when : &gt; 1?
    10·1 answer
  • What is 3/4 plus 4/5?
    7·1 answer
  • {100-[6+86(289x36)]}
    5·1 answer
  • 10. Find the mean, median of the following data.
    10·2 answers
  • Multiply.<br> (х4 + 1)(3х2 + 9x + 2)
    12·1 answer
  • Help plzzzzzzzzzzzzzz-
    6·1 answer
  • A bakery had 679 bags of sugar. A baker used 463 of these bags to make pies. How many bags does the bakery still have?
    6·2 answers
  • I need help I’m on my last questionnn
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!