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3 years ago

Find: (4x²y3 + 2xy2 - 2y) - (-7x?y3 + 6xy2 – 2y)

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

3 0

Answer:

The coefficients are

11,-4 and 0.

Step-by-step explanation:

We are given two algebraic expressions. We are subtracting the second from the first.

First one is:

(4x²y3 + 2xy2 - 2y)

Second expression is:

(-7x?y3 + 6xy2 – 2y)

The given expression:

(4x²y3 + 2xy2 - 2y) - (-7x?y3 + 6xy2 – 2y)

The coefficients are

11,-4 and 0.

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4 years ago

-3x-5y=15 what is the slope of this equation

goblinko [34]

Answer:

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Step-by-step explanation:

the customary way to determine the slope of a linear equation such as this one is to solve the equation for y:

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Need explanation 20 points The function f is such that f(x) = 2x - 6 Find f^-1(x)

Dvinal [7]

HEYA! <3

Explanation :

GIVEN :

f(x) = 2x - 6

TO FIND :

Inverse of f(x) i.e $f ^{ - 1} (x)$

SOLUTION :

FOLLOW THESE THREE STEPS :

LET Y = f(x)

$\longrightarrow \tt{y = 2x - 6}$

$\longrightarrow{ \tt{ \: 2x - 6 = y}}$

MAKE X A SINGLE TERM IN LHS SIDE

$\longrightarrow{ \tt{2x = y + 6}}$

$\longrightarrow{ \tt{x = \frac{y + 6}{2} }}$

INTERCHANGE THE VALUE OF X AND Y

$\longrightarrow{ \tt{y = \frac{x + 6}{2} }}$

Hence ,

$\boxed{ \boxed{ {f}^{ - 1} (x) = \sf{ \bold{ \frac{x + 6}{2} }}}}$

Hope I helped!

Have a wonderful day / night !

Feel free to leave comments if you have any queries! :D

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3 years ago

Some one please help, lots of points granted !!!!!

Nataly_w [17]

1) y=-2x+5
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3)y=-2x+4
4)y=-1/3x+1

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