3 years ago

Write an inverse variation equation that relates x and y. With x being 10 and y being 2

Mathematics

1 answer:

yulyashka [42]3 years ago

7 0

Answer:x=20/y

Step-by-step explanation:

x α 1/y

removing the constant of proportionality sign α and replace it with =k

x = k/y

x=10 y=2

10 = k/2

Cross multiply

10x2=k

20=k

k=20

Substitute k=20 in x=k/y

x=20/y.........required equation

You might be interested in

Roger's flight took off at 9:27 a.m. The flight is scheduled to land at 1:05 p.m. If the flight lands on schedule, how long is t

arsen [322]

So Roger flight left at exactly 9.27:am and it will land at 1:05pm

So count on to 12:27 will be 3 hours and subtract from 5 because 65 is 05 3hours and 38mins

5 0

3 years ago

Read 2 more answers

What is the slope of the line that contains the points (-3,5)and (-5,6)

tigry1 [53]

<span>(-3,5) (-5,6)
slope = 5-6 / -3 --5
</span><span>slope = -1 / 2

</span>

6 0

3 years ago

Write an equation that models the sequence 400, 200, 100, 50, ...

Julli [10]

You're starting at 400. Each time you're cutting in half.

So the common ratio is 1/2 which means the equation is

$\Large y = 400(1/2)^{x-1}$

which is in the geometric sequence format. So the answer is choice D

3 0

3 years ago

Read 2 more answers

A rectangular prism has a volume of 171 m³. A rectangular pyramid has the same height as the rectangular prism and a base that i

Anit [1.1K]

Answer:

that would be C sorry if im wrong i tried working it out

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Which equations have the same value of x as 3/5 (30x - 15x) = 72? Check all that apply.