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
Kamila [148]
3 years ago
7

Use slopes to determine if the lines 4x−7y=9 and 7x+4y=5 are perpendicular.

Mathematics
1 answer:
KIM [24]3 years ago
3 0

Answer:

Perpendicular.

Step-by-step explanation:

4x - 7y = 9 ---> 7y = 4x - 9 ---> y = 4/7 x - 9/7, slope= 4/7

7x + 4y = 5 ---> 4y = - 7x + 5 ---> y = - 7/4 x + 5/4, slope = - 7/4

lopes are negative-reciprocal , so these lines are perpendicular.

You might be interested in
6 ten thousands mutilply 10 = what
Oksana_A [137]

Answer:

I believe the answer is six-hundred thousand (600000). That's if I read your question right. I'm not sure what you were asking exactly.

Step-by-step explanation:

6 (10000 x 10)

6 (100000)

600000

3 0
3 years ago
If A = (0,2,3,4,9,11), B = {2,3,6,8,9,10) and C= {0,2,3,9), then (A-B) n(A-C) is​
timofeeve [1]

Answer:

(A-B)n(A-C) ={ }

<h3><em>hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em>.</em></h3>

<em>Wishing</em><em> </em><em>a</em><em> </em><em>nice</em><em> </em><em>day</em><em>.</em>

8 0
2 years ago
You roll two dice 44 times how many times do you expect to roll at least one even die?
Vilka [71]

Answer:

2

Step-by-step explanation:

6, because there's 3 types of even die and you're rolling it 44 times, or 6 times per number

3 0
3 years ago
Write 6 ratinol numbers between - 3 and - 4<br><br>​
WARRIOR [948]

Answer:

-3.1, -3.2, -3.3, -3.4, -3.5, -3.6

Step-by-step explanation:

7 0
2 years ago
What is the intersection of the three sets: A = {1,2,3,4,5),
Lubov Fominskaja [6]

Answer:

(2,3)

Step-by-step explanation:

The only two numbers all three share

5 0
3 years ago
Other questions:
  • One teacher wants to give each student 1/5 of slice of pizza. if the teacher has 9 slices of pizza then how many student will sh
    12·1 answer
  • NEED HELP!! WILL GIVE BRAINLIEST!!
    8·2 answers
  • Which is the side length of a cube with a volume of 125 m3?
    13·1 answer
  • Simplify the expression 9xy^2 - 11xy^2
    8·1 answer
  • 2 + 2 = ? idk the answer bro i need help
    7·2 answers
  • Todd orders pictures from a photographer. Each picture cost $7.50 a one time shipping fee of $3.25 is added to the cost of the o
    5·1 answer
  • How would you graph 2,4
    7·1 answer
  • Can someone help me on this
    12·1 answer
  • Which sequence is a geometric progression?<br> A 2 4 6 8<br> B 1 1 2 3<br> С 1 2 4 8<br> D 1 3 5 7
    7·1 answer
  • Ratios. May someone help me, also may you please add the explanation.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!