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
slava [35]
3 years ago
14

What is the equation of a line that is perpendicular to -x+2y=4 and passes through the point (-2,1)?

Mathematics
1 answer:
Usimov [2.4K]3 years ago
7 0
-x + 2y = 4
2y = x + 4
y = 1/2x + 2.....slope here is 1/2. A perpendicular line will have a negative reciprocal slope. All that means is " flip " the slope and change the sign. So the slope we need is -2 (see how I flipped the slope and changed the sign)

y = mx + b
slope(m) = -2
(-2,1)...x = -2 and y = 1
now we sub and solve for b, the y int
1 = -2(-2) + b
1 = 4 + b
1 - 4 = b
-3 = b

so ur perpendicular line is : y = -2x - 3
You might be interested in
Which of these is the absolute value parent function?
kotykmax [81]

Answer:

Option d. is correct answer.

Step-by-step explanation:

<em>f(x) = [x]</em><em> </em>is the absolute value parent function.

7 0
3 years ago
Helpppppp show your work
Tpy6a [65]

Answer:

-5/3

Step-by-step explanation:

Do PEMDAS

8 - 11 = -3

-3 ^ 3 = -27

-(-27) = 27

I-14I = 14

3 x 14 = 42

27 - 42 = -15

2^4 = 16

16 - 7 = 9

-15/9 = -5/3

6 0
1 year ago
Read 2 more answers
X+1/2(x-4)=1/2x+6(x-2)
Andrej [43]

Answer:

B) 1

Step-by-step explanation:

x+1/2(x-4)=1/2x+6(x-2)

x+1/2x-4/2=1/2x+6x-12

x+1/2x-1/2x-2=6x-12

x-2=6x-12

x-6x-2=-12

-5x-2=-12

-5x=-12+2

-5x=-10

5x=10

x=10/5

x=2

8 0
2 years ago
The width of a poster is 4/5 of its length, It takes 36 ft. of metal framing to frame the poster. Find the dimensions of the pos
romanna [79]
The length is 10 and width is 8
4 0
2 years ago
Simplify (3√-5 +2)(4√-12 -1)<br> Thank you in advance<br> Full steps so I can understand!
Shkiper50 [21]

Answer:

12√60 - 3√-5 + 8√-24  -2

Step-by-step explanation:

Use the distributive property

Multiply each by the other term outside their parantheses

for example multiply 3√-5 by 4√-12 and 3√-5 by -1.

5 0
2 years ago
Read 2 more answers
Other questions:
  • Randall invests $7200 in two different accounts. The first account paid 11 %, the second account paid 13 % in interest. At the e
    15·1 answer
  • 1. From the statement select the related given statement.
    14·2 answers
  • Which of the following statements are true? Select all that apply
    8·1 answer
  • QUICKLY I NEED FTHIS ANSWER QUICK
    7·2 answers
  • How do you do this??
    10·2 answers
  • Which two ratios form a proportion?
    11·2 answers
  • In an inequality between two numbers, -0.8 is located below the other number on the vertical number line. Which condition would
    7·2 answers
  • Aiden is putting a carpet on the floor of his bedroom. The carpet is 6 feet long and 7 feet wide. What is the total area of Aide
    15·1 answer
  • Which choice is equivalent to the expression below?
    7·1 answer
  • Which of the following is the equation of the function below? <br><br> y=2sec(x+pi/6)+2
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!