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
dimaraw [331]
3 years ago
10

Endpoints of segment MN have coordinates (0, 0), (5, 1). The endpoints of segment AB have coordinates (1 1/2 , 2 1/4 ) and (−2 1

/4 , k).
What value of k makes these segments perpendicular?
Mathematics
1 answer:
Zielflug [23.3K]3 years ago
7 0

Answer:

k=21

Step-by-step explanation:

Find the slope of MN which is 1/5 (use the slope formula)

Use the slope formula for AB using k as y_2

Substitute and you get k=21

21-2.25/-2.25-1.5=-5

The lines are perpendicular because the slopes are the negative reciprocal of one another.

You might be interested in
If the length of the major axis of an ellipse is 28 units and the foci are located 3.5 units away from the center, what is the e
Mandarinka [93]
Eccentricity = foci / half the length of the major axis
 = 3.5 / 14 = 1/4
3 0
3 years ago
Read 2 more answers
What expression can be used for estimating 868/28
ivann1987 [24]
<span>31 would be the quotient.
The most simplified fraction would be 217/7.
Hope that's the answer you're looking for...

</span>
3 0
3 years ago
Read 2 more answers
21.evaluate 22.find dy/dx​
Sauron [17]
<h2>Long short story: I tried ;-; </h2>

4 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME ASAP ILL MARK BRAINLIST!!!
zloy xaker [14]

Answer:

B

Step-by-step explanation: it is easy

7 0
3 years ago
You leave a 20% tip on your $70 dinner bill. How much was the tip
jonny [76]

\frac{20}{100}  \times70 =  \frac{1}{5}   \times 70 \\ = 14
hey hope this helps
5 0
3 years ago
Other questions:
  • 3(2x–1)=8(x–5)–3 halp plz thanx
    14·2 answers
  • Help triangles please 8th grade
    8·1 answer
  • 4) Over the summer gas prices dropped 2%. Which expression shows the new price of
    14·1 answer
  • Use the given domain to find the range of function: f(x)=−2x²+7, D={2, −3, 0}
    10·1 answer
  • Total cost was 2773.00 tax amount was 7.25% how do you figure the cost of the item before tax?
    9·1 answer
  • Which of the following represents the most accurate estimation of 388 - 212?
    11·1 answer
  • Please help!!!!!!!<br> Anyone..
    6·2 answers
  • Coach Emanuel is trying to gain muscle. He starts 2017 weighing 226 pounds. If he plans to lift weights and eat enough, then how
    9·1 answer
  • For every 20 grams of fat, 180 calories are added to a serving size of food.
    13·1 answer
  • 7th grade math please helpp i have alot of questions due in 10mins​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!