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3 years ago

Is 89 the multiplicative reciprocal of -1 18 ? Why or why not?

Mathematics

1 answer:

Nady [450]3 years ago

6 0

Answer:

Step-by-step explanation:

Multiplicative reciprocal of x is 1/x

Eg: Multiplicative reciprocal of 4 is 1/4

Multiplicative reciprocal of 1/8 = 8/1 = 8

Multiplicative reciprocal of 89 is 1/89

When we multiply a number and its Multiplicative reciprocal , the result will be 1

4*1/4 = 1

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Find dy/dx for 4 - xy = y^3

storchak [24]

Answer:

$\frac{dy}{dx}=-\frac{y}{3y^2+x}$

Step-by-step explanation:

4-xy=y^3

dy/dx=?

$\frac{d(4-xy)}{dx}=\frac{d(y^3)}{dx}\\ \frac{d(4)}{dx}-\frac{d(xy)}{dx}=3y^{3-1}\frac{dy}{dx}\\ 0-(\frac{dx}{dx}y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -(1y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -(y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -y-x\frac{dy}{dx}=3y^2\frac{dy}{dx}$

Solving for dy/dx: Addind x dy/dx both sides of the equation:

$-y-x\frac{dy}{dx}+x\frac{dy}{dx}=3y^2\frac{dy}{dx}+x\frac{dy}{dx} \\ -y=3y^2\frac{dy}{dx}+x\frac{dy}{dx}$

Common factor dy/dx on the right side of the equation:

$-y=(3y^2+x)\frac{dy}{dx}$

Dividing both sides of the equation by 3y^2+x:

$\frac{-y}{3y^2+x}=\frac{(3y^2+x)}{3y^2+x}\frac{dy}{dx}\\ -\frac{y}{3y^2+x}=\frac{dy}{dx}\\ \frac{dy}{dx}=-\frac{y}{3y^2+x}$

7 0

3 years ago

How many times greater is the 9 in 452,931 than 9 in 301,295

hichkok12 [17]

Answer:

10 times greater

Step-by-step explanation:

4 0

3 years ago

Solve using elimination.<br> -3x + 4y = 9<br> 3x – 10y = 9<br> -<br> PLEASE HELP

Art [367]

Answer:

x= -7

Y= -3

Step-by-step explanation:

4 0

2 years ago

I=PRT; I=4320, P=24,000, R=0.06

I am Lyosha [343]

I = P * R * T

T = I / ( P * R )

T = 4320 / ( 24,000 * .06 )

T = 3

7 0

3 years ago

Suppose you were trying to gain an understanding of how the very best painter in an automotive factory works. You know that ther

Georgia [21]

Answer:

Qualitative data

Step-by-step explanation:

Qualitative methods like an interviews and observations that are considered valuable as of their detail, descriptiveness, and uniqueness.

In this given situation, it is already known that the specific painter who outperforms in the factory.

And my motive is to gain an understanding with respect to the performing as a best painter for an automative industry so the same information would be observed and interviewed him

5 0

3 years ago