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
Rus_ich [418]
3 years ago
12

If A = (4,-5) and B = (7.-9), what is the length of AB?​

Mathematics
1 answer:
Nookie1986 [14]3 years ago
5 0

Answer:

5

Step-by-step explanation:

We can figure out the length of AB by using the distance formula.

D = \sqrt{(7-4)^{2} + (-9-(-5))^{2} }\\ D = \sqrt{(3)^{2} + (-4)^{2} }\\D = \sqrt{9 + 16}\\D = \sqrt{25}\\D=5

So the distance is 5

You might be interested in
Concrete consists of six parts gravel to one part cement. A builder makes up 140kg of concrete mixture. What is the weight of gr
solniwko [45]

Answer:

120kg

Step-by-step explanation:

The ratio of gravel to cement is 6:1

Then add them up which is 7

The do 140 divided by 7 which is 20

Then do 6 times 20 which is 120

Then do 1 times 20 which is (obviously)20

Then add 20 and 120 which makes 140

Hope it helps!

4 0
3 years ago
Jerry started doing sit-ups every day. On the first day, he did 11 sit-ups. Every day after that he did 4 more sit-ups than he h
garik1379 [7]

Answer:

11x + 4x = 49

Step-by-step explanation:

11x represents the number of sit-ups done times the number of days and +4x represents 4 more each day times the number of days. Hope this helps you :)

4 0
3 years ago
Write a short paragraph to answer the following question.
Harrizon [31]
The four transformations:
Translation, Rotation, Reflection, and Scaling

Each of these transformations change how or where the shape is. Each of these transformations change the shape or shapes in different ways. Dilations change the size and sometimes even the shape of the shape; translation, rotation, and reflection just move the shape around they don't change the size or shape of it.

Is that what you are looking for? Let me know if there anything more...
8 0
3 years ago
Mr. pham cuts a cake into 8 equal slices. then, he cuts every slice in half. how many of the smaller slices does he have. use wo
Katen [24]
8 times 2 equals 16 so the answer would be 16

4 0
3 years ago
Find the value of x.<br><br> help
Komok [63]

Answer:

X=62

Step-by-step explanation:

X=62 because the side where x is and where the other degree is, they are congruent. And since you have to add 12 it would have to be 62 to be equal to 74.

7 0
3 years ago
Other questions:
  • Solve each system by elimination. X+6y=-8<br> 7x+2y=24
    14·2 answers
  • In your own words, describe the difference between a dilation and a stretch. *
    13·1 answer
  • What is the horizontal distance that your bridge must span to clear the ravine?
    5·2 answers
  • Complete the point-slope equation of the line through (− 2 ,6 ) ( 1 , 1 )
    7·1 answer
  • I need the answer pls
    5·1 answer
  • PLS HELPPP I WILL GIVE BRAINLYISTT!!!!!
    8·1 answer
  • Emily and Anna have 43,200 T-shirts they want to sell.
    9·2 answers
  • Can someone explain this to me like do I do division so get the answer or?
    8·2 answers
  • Free Brainly to who tells me their fav dog breed and why
    15·2 answers
  • Can someone help me with this question? I’ll mark you brainliest if you answer!!!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!