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3 years ago

Does x=3/y show direct variation

Mathematics

1 answer:

Nat2105 [25]3 years ago

5 0

No it does not. when solved you should get y=3/x, meaning it shows inverse variation.

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Pls show work ASAP Multiplying polynomials

earnstyle [38]

Answer:

Step-by-step explanation:

1. 6w*2v + 3*6w= 12vw + 18w

2. 7(-5v) - 7(8)= -35v - 56

3. 2x*(-2x) - 3(2x) = -4x^2 - 6x

4. -4*v - 4(1)= -4v - 4

5. 2n*6n + 2n + 2*6n + 2= 12n^2 + 14n + 2

6. 4n(2n) + 4n(6) + 2n + 6= 8n^2 + 26n + 6

7. x(6x) - 2x - 18x + 6 = 6x^2 - 20x + 6

8. 8p(6p) + 8p(2) - 2(6p) - 4 = 48p^2 + 16p - 12p - 4= 48p^2 + 4p - 4

9. 6p(5p) - 6p(8) + 8(5p) - 40= 30p^2 - 48p + 40p - 40= 30p^2 - 8p - 40

10. 3m(8m) + 3m(7) - 8m - 7 = 24m^2 + 21m - 8m - 7= 24m^2 + 13m - 7

11. 2a(8a) - 2a(5) - 8a + 5 = 16a^2 - 10a - 8a + 5 = 16a^2 - 18a + 5

12. 5n(5n) - 5n(5) + 6(5n) - 6(5)= 25n^2 - 25n + 30n - 30= 25n^2 + 5n - 30

13. 4p(4p) - 4p - 4p + 1 = 16p^2 - 8p +

14. 7x(5x) + 7x(6) -6(5x) - 6(6)= 35x^2 + 42x - 30x - 36= 35x^2 + 12x - 36

7 0

3 years ago

What is the slope of the line that contains these points?

Anastasy [175]

Answer:

-1 or 1/-1

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

At a pet store, Davina counted 12 parrots out of 20 birds. Which is an equivalent ratio of parrots to birds at the pet store?

kkurt [141]

Answer

Hope it helps u

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Simplify the expression.

Anna71 [15]

Since we have a cubic root, we're interested in factoring cubes inside the root, so that we can take them out. If we factor 648, we have

$648=2^3\times 3^4=2^3\times 3^3\times 3 = (2\times 3)^3\times 3 = 3\times 6^3$

So, we have

$3x\sqrt[3]{648 x^4 y^8} = \sqrt[3]{3\times 6^3\cdot x^3\cdot x \cdot y^6\cdot y^2}=3x\cdot 6\cdot x\cdot y^2\sqrt[3]{3\cdot x\cdot y^2}$

And the result simplifies to

$18x^2y^2\sqrt[3]{3xy^2}$

5 0

3 years ago

How much must you deposit in an account that pays 6.25% interest, compounded annually, to have a balance of $700 after two years

Amanda [17]

The compound interest is applied to the remaining balance in the account

each subsequent year.

The amount that must be deposited is approximately $620.07

Reasons:

The given compound interest rate, r = 6.25% = 0.0625

The balance in the account after 2 years, A = $700

Required:

The required deposit, P, that gives the given account balance after 2 years.

Solution:

The following is the compound interest formula to use;

$A = \mathbf{P \times \left(1+r \right)^{ t}}$

Where;

t = 2 years

We get;

$\displaystyle P = \mathbf{ \frac{A}{(1 + r)^t}}$

Which gives;

$\displaystyle P = \frac{700}{(1 + 0.0625)^2} \approx \mathbf{620.07}$

The amount that must be deposited to give $700 after 2 years is P ≈ $620.07

Learn more about compound interest here:

brainly.com/question/10028292

6 0

2 years ago

Does x=3/y show direct variation ​

Does x=3/y show direct variation