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
krek1111 [17]
3 years ago
10

A direct variation function contains the points (-8,-6) and (12,9) which equation represents the function

Mathematics
1 answer:
brilliants [131]3 years ago
7 0

Answer:

y = 0.75x

Step-by-step explanation:

Given y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k substitute either of the 2 points into the equation

Using (12, 9 ), then

k = \frac{y}{x} = \frac{9}{12} = 0.75, so

y = 0.75x ← equation of variation

You might be interested in
What two numbers create a product of -12 and a sum of 4?
Katen [24]

Answer:

-2 and 6

Step-by-step explanation:

-2+6=4

-2×6=-12

7 0
3 years ago
Read 2 more answers
Sienna tossed 10 heads when tossing a coin 24 times. What is the experimental probability of tossing heads?
vlabodo [156]

Answer:

5/6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
⚠️❗️⚠️❗️⚠️ 10 POINTS The people answering this get it wrong please get it right what is the area
mestny [16]

Answer:

187 units²

Step-by-step explanation:

break the figure into two rectangles

one 16 by 7 , the other 25 by 3

a = (16 * 7) + (25 * 3)

a = 187

7 0
3 years ago
Determine the commutators of the operators a and a+,where a = (x + ip)/2 ^1/2 and a+ = (x - ip)/ 2 ^1/2
Vsevolod [243]

Answer:

Given that:

a = (\frac{x+ip}{2})^{\frac{1}{2}} and a+= (\frac{x-ip}{2})^{\frac{1}{2}}

if a , a+ commutator, it obeys aa^+ = a^+a

First find:

aa^+ = (\frac{x+ip}{2})^{\frac{1}{2}} (\frac{x-ip}{2})^{\frac{1}{2}}

                = (\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}=(\frac{(x)^2+(p)^2}{4})^{\frac{1}{2}}

Now;

a^+a =(\frac{x-ip}{2})^{\frac{1}{2}} (\frac{x+ip}{2})^{\frac{1}{2}} = (\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}

              =(\frac{(x)^2-(ip)^2}{4})^{\frac{1}{2}}=(\frac{(x)^2+(p)^2}{4})^{\frac{1}{2}}

therefore, aa^+ = a^+a which implies the operators a and a+ are commutators.    


7 0
3 years ago
All my question are about math and this test determines my high school classes help if you can please
Mashcka [7]

Answer:

y = x+2

Step-by-step explanation:

When x = 0, y =2

So, y = 0 + m

2 = 0 + m

2 = m

When x = 1, y =3

y = x + m

3 = x + 2

-2        -2

1 = x

3 0
3 years ago
Other questions:
  • Can you help me solve this inequality?
    15·1 answer
  • A rectangle has length (x+4) cm and width (x-3) cm. Its area is 30 square centimeters. Write a quadratic equation and solve it t
    5·1 answer
  • I need help!!!!!!!! I'm stumped.
    12·1 answer
  • In a research sample of high school students, the variable “number of Instagram followers” formed normal distribution with a mea
    5·1 answer
  • Whats the volume of a rectangular solid with 6 meters in length, 3 meters in width, and 7 meters in height?
    6·1 answer
  • Which equation can be used to find the surface area of the cylinder?
    12·1 answer
  • Geometry....please help :D
    6·1 answer
  • MJ attempted 50 baskets but only made 20 baskets.. What percentage of the shots did he make? Remember: part/total
    11·1 answer
  • Can someone tell me if this is the correct choice?
    12·1 answer
  • For what value of k are the lines 2x + 3y = 4k and x - 2ky = 7 parallel?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!