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Kaylis [27]
3 years ago
7

Mr. Berger assigned the following system of equations to be solved for homework. 2 x minus 3 y = negative 12. 4 x + y = negative

10. Which is the x-coordinate of the correct solution? x = negative 3 x = negative one-fifth x = StartFraction 9 Over 7 EndFraction x = 2
Mathematics
1 answer:
yulyashka [42]3 years ago
5 0

Answer:

x=-3

Step-by-step explanation:

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What is the result of subtracting the second equation from the first?
Ronch [10]

Answer:

-5x + 0y = -11

The y terms are eliminated

Step-by-step explanation:

- 4x – 2y = -2

X - 2y = 9

We want to subtract the second equation from the first

Distribute a minus sign to all the terms in the second equation

- 4x – 2y = -2  

X - 2y = 9

= (-5x + 0y = -11)

6 0
3 years ago
Finding Derivatives Implicity In Exercise, find dy/dx implicity.<br> 4x3 + ln y2 + 2y = 2x
lisov135 [29]

Answer:

\frac{dy}{dx}=\frac{y(1-6x^2)}{(1+y)}

Step-by-step explanation:

Given function : 4x³ + ln(y²) + 2y = 2x

on differentiating both sides with respect to 'x', we get

\frac{d(4x^3 + ln(y^2) + 2y)}{dx}= \frac{d(2x)}{dx}

or

12x^2+\frac{2}{y}(\frac{dy}{dx})+2(\frac{dy}{dx})=2

or

12x^2+(\frac{2}{y}+2)\frac{dy}{dx}=2

or

(\frac{2+2y}{y})\frac{dy}{dx}=2-12x^2

or

\frac{dy}{dx}=\frac{y(2-12x^2)}{2+2y}

or

\frac{dy}{dx}=\frac{2y(1-6x^2)}{2(1+y)}

or

\frac{dy}{dx}=\frac{y(1-6x^2)}{(1+y)}

3 0
3 years ago
Is this correct please correct me if i’m wrong.
Sever21 [200]

Answer: This is correct already.

Step-by-step explanation:

7 0
2 years ago
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Someone pls simplify the imaginary thing for i^124 pls it would be so sessy of you
DerKrebs [107]

go download cymath app and check

Step-by-step explanation:

download cymath and solve everything only maths solution

3 0
2 years ago
Calculate the product of 1/3 and 1/4
MariettaO [177]
\frac{1}{3}*\frac{1}{4}\to\boxed{\frac{1}{12}}
6 0
3 years ago
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