y varies inversely with x. If y = 4 when x= -6, find the constant of variation and find the value of y when x= -2

Answers

Answer 1

Answer:

constant of variation:  k = -24

y = 12 when x = -2

Step-by-step explanation:

y varies inversely with x equation is:  y = k/x

where 'k' if the constant of variation

plug in:

4 = k/-6

cross-multiply to get value of 'k' which is -24

plug in:

y = -24/-2

y = 12


Related Questions

Plz help... need it quick

Answers

Answer:

id say the big triangle and the rectangle

Step-by-step explanation:

sorry if im wrong

just need answeer....​

Answers

Answer:

16 degrees

Because 180-164= 16

Answer:

16

Step-by-step explanation:

It would be 180 without the line so if both sides were put together it would have to be 180 so you would do 180-164= 16

29-2(3-5w)>13 help plzzzzzzzzzzzz

Answers

Answer:

Step-by-step explanation:

Here you go mate

Step 1

29-2(3-5w)>13  Equation/Question

Step 2

29-2(3-5w)>13  Simplify

29-2(3-5w)>13

Step 3

29-2(3-5w)>13  Subtract 23

10w>-10

Step 4

10w>-10  Divide by 10

answer

w>-1

Hope this helps

Select all that apply.

Which graphed lines represent direct variation functions?


line d
line b
line c
line a

Answers

Answer:

Hope this helps~

Step-by-step explanation:

Look at the graph they gave you. ... At first it looks like an ugly mess.

But look closer.  There are only two lines there that go through the origin,

so one of those is the answer to the question.

Now let's talk about the slope of a line.

 

-- If the slope of a line is positive, that means it rises as it goes.

  If you walk the graph from left to right, you're climbing.

-- If the slope of a line is negative, that means it falls as it goes.

  If you walk the graph from left to right, you're going down-hill.

The equation they gave you is  [ y = 1/2 x ].

The slope is  1/2 .  That's positive.

The line on the graph slopes up.  To walk it, you have to climb.

In the picture, that can only be line 'c' .

Answer:

The equation they gave you is  [ y = 1/2 x ].

The slope is  1/2.  That's positive.

The line on the graph slopes up.  To walk it, you have to climb.

I also need help on this one

Answers

Answer:

A

Step-by-step explanation:

27-9=18

18=18

5(27)=135

135=135

Need help as fast as possible it’s urgent!!! :) ❤️


Graph the following equations using the given slope and y-intercept.

Answers

Answer:

I hope I'm right in my answer to that

help meeeeeeeeeeeeeeeeeee

Answers

Answer:

I believe its D and E

Step-by-step explanation:

Does that help

Which expression is equivalent to a + a -0.34a? a. 1.34a b. 2a -0.66 c. a -0.34 d. 1.66a​

Answers

Answer: d.1.66a

Step-by-step explanation:

Divide. Write the quotient in lowest terms.
1 1/4 divided by 1 2/5

Whoever answers first and accurately will mark brainliest!

Answers

Answer:

25/28

Step-by-step explanation:

convert to mixed numbers 5/4 divided by 7/5

Then keep, change, and flip to get your answer. Hope this helps. Good Luck.

Plz help me ASAP ;-;

Answers

Option 1! If you expand the bracket and simplify.

Answer:

The person who answered it first is correct

Step-by-step explanation:

Find the equation of the line with x-intercept (-4,0) and y-intercept (0,9).

Answers

Answer: The answer is Y=(9/4)x+9  

Step-by-step explanation: There is various ways to do it. Just find the formula first and then apply the steps to solve. Hope it helps.

A skateboard park charges a $5 admission fee plus $2 for every hour spent at the park with a three-hour maximum stay. What are the input values of this problem situation?

Answers

Answer:

11 dollars

Step-by-step explanation:

If you do 1 person going into the park it starts with 5 dollars then you add 2$ to ever hour with a 3 hour limit so at the limit the amount paid would be 11 dollars if there was one person there for 3 hours

What is the slope for (5,7) (-4,-2)

Answers

Answer:

Slope = 1

Step-by-step explanation:

(5,7) (-4,-2) Answer:1

Convertir a decimal 5/8​

Answers

Answer:

I'm pretty sure it's 0.625

This one is timed. Please help!!!!!!

Answers

Answer:

n=2

Step-by-step explanation:

Answer:

the value of n is 2 llalala

The integer to represent a gain of 9 pounds would be ______.

Answers

Answer: -9

Step-by-step explanation:

did I follow the instructions on how it told me to answer this question

Answers

Answer:

did I follow the instructions on how it told me to answer this question

Step-by-step explanation:

No? wouldn't it be $10.50???

What is the slope? (IXL)

Answers

Answer:

5/3

Step-by-step explanation:

click photo for question

Answers

Answer:

see explanation

Step-by-step explanation:

There is a common difference d in the values, that is

9 - 5 = 13 - 9 = 17 - 13 = 21- 17 = 4

To obtain a term in the sequence add 4 to the previous term, thus

t₉ = t₈ + 4 → C

(b)

Given the n th term formula 3n - 8

To find any term, substitute the term position n into the formula

(i) first term (n = 1), then

3(1) - 8 = 3 - 8 = - 5

(ii) tenth term (n = 10, then

3(10) - 8 = 30 - 8 = 22

(iii) 100 th term ( n = 100), then

3(100) - 8 = 300 - 8 = 292

HELP PLS ITS DUE IN AN HOUR

Answers

Answer:

MP7

Step-by-step explanation:

Answer:

6 < sqrt(41) <7

Step-by-step explanation:

6^2 = 36; 36 < 41

7^2 = 49; 49>41

Select the correct answer.
What are the solutions to this equation?
3
25 - 5
O A
= -1 and r = -0.4
OB.
=
-2 and r = 2
C.
r = -3 and r =
0.5
OD
r = -0.5 and r = 3

Answers

Answer:

D

Step-by-step explanation:

Either try all the numbers and see which ones work or do the following.

Times both sides by 2x-5.

3=x(2x-5)=2x^2-5x

Rearrange and solve the quadratic. I will factorise.

2x^2-5x-3=0

(2x+1)(x-3)=0

so x = -1/2 or 3

Does anyone know what would be the equation for this Emily has $250 in her savings account. She plans to save $15 per week from her salary. Jasmine has only $200 in her account but can save $20 a week from her paycheck. How many weeks will it take before the amount in each savings account is the same?
Just the equation

Answers

Answer: 10 weeks
Step-by-step explanation:
Nilda's money = 250 +15x being x the number of weeks that have passed
Lona's money= 200+20x
If they have the same amount, then
250+15x=200+20x
250-200=(20-15)x
50=5x
50/5=x
10=x
10 weeks long that the answer hope this helps

Question 13(Multiple Choice Worth 4 points)
(01.06 LC)
Rearrange the equation A = 4xy to solve for X.
Ox
4y
A
Ox=
A
4y
OX=
4Ay
Х
X=
Ax
4y

Answers

Answer:

its

x = A/4y

Explanation:

when we send 4 and Y to the left hand side, their signs changes from multiplication to division and since they were in the numerator, they go to the denominator on the other side.

hope this helps.

Divide:

16)160

A. 10

B. 11

C. 16

D. 26

E. 100

Answers

Answer:

10

Step-by-step explanation:

your welcome...............

simplify the ratio 84: 36: 108: 60

Answers

Answer:

A) 7 : 3

B) 7 : 4

Step-by-step explanation:

84 : 36

Simplified:

42 : 18 ( divided by 2)

21 : 9 ( divided by 2)

7 : 3 ( divided by 3)

7 : 3

108 : 60

35 : 20 ( divided by 3)

7 : 4 ( divided by 5)

7 : 4

Write down the first five terms of the sequence which has the n th term

Answers

Answer:

2

A) 12

B) 18

C) 20

D) 11

E) 25

F) 33

Step-by-step explanation:

because the next of the 10 is 12

Brianna wants to buy a digital camera for a photography class. One store offers the camera for $49 down
and a payment plan of $20 per month. The payment plan for a second store is described by y - 15x + 79,
where y is the total cost in dollars and x is the number of months. Which camera is cheaper when the
camera is paid off in 12 months? Complete the explanation.

Answers

Answer:

Step-by-step explanation:

Cost of the camera at one store,

Down payment = $49

Per month payment = $20

Duration of the payment = 12 months

Total payment to be done = down payment + payments to be done in 12 months

= 49 + (20×12)

= 49 + 240

= $289

Cost of the camera at second store,

Equation describing the payment plan,

y = 15x + 79

Here, x = number of months

y = Total amount to be paid

If x = 12 months

y = (15×12) + 79

y = 180 + 79

y = $259

The camera at the second store is cheaper when the camera is paid off in 12 months because the cost at the first store is $289 and the cost at the second store is $259.

What is the circumference of the circle with a diameter of 10 inches using ≈ . ?

Answers

Answer: 31.4

Step-by-step explanation:

C=πd

C=π×10

C=10π

C=31.4

helppp i have this test due soon :C

Answers

Answer: D.)

Step-by-step explanation:

Add the rates. 3:1 (3+1)=4

multiply it to the rate. 3(4), 1(4) = 12 and 4

Side a is 12 inches long and side b is 4 inches long.

A circle with center B and radius 1cm has three distinct points, F, D and E, on its circumference so that BF and BE and D is on the minor arc FE. Point A is on BF so that DA and BF. The point C is on BE so that ABCD is a rectangle and the distance from C to E is 1cm. Determine the distance from A to F.

Answers

Answer:

8 cm

Step-by-step explanation:

A circle with center B and radius 13 cm has three distinct points, F, D and E, on its circumference so that BF and BE and D is on the minor arc FE. Point A is on BF so that DA is perpendicular to BF. The point C is on BE so that ABCD is a rectangle and the distance from C to E is 1cm. Determine the distance from A to F.

Solution:

Since the radius of the circle is 13 cm, hence:

BF = BD = BE = 13 cm.

For line segment BE; BE = BC + CE

BE = BC + CE

13 = BC + 1

BC = 13 - 1

BC = 12 cm

AD = BC = 12 cm (opposite sides of a rectangle are equal to each other)

Triangle ABD, is a right angled triangle because ∠B = 90°. We can use Pythagoras theorem to find AB:

BD² = AB² + AD²

13² = AB² + 12²

169 = AB² + 144

AB² = 169 - 144

AB² = 25

AB = √25 = 5

For line segment BF, we can use the line segment addition postulate to find the distance from A to F. Let x be the distance from A to F:

BF = AB + x

x = BF - AB

x = 13 - 5

x = 8 cm

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