3 years ago

Factor the expression.

Mathematics

1 answer:

worty [1.4K]3 years ago

4 0

The is will be -11b3 - 16b2 + 4b + 3

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Help please fast!! what is the value of b

Lostsunrise [7]

Answer:

Step-by-step explanation:

b+63°=90°

b=90-63

b=27

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3 years ago

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3=-1.5n pls help me (Solving Equations using Multiplication or Division)

motikmotik

Answer:

n = -2

Step-by-step explanation:

Step 1: Write equation

3 = -1.5n

Step 2: Divide both sides by -1.5

n = -2

Step 3: Check

Plug in x to verify it's a solution.

3 = -1.5(-2)

3 = 3

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Which quadrant would contain a point showing a city 6 m above sea level and 9°C Problem Alan graphed the relationship between te

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3 years ago

Given that 23°=√k,determine the value of each of the following in terms of k,without using a calculator

hram777 [196]

Hello,

In order to exist ,k>=0

1) sin (180°+x)=-sin (x) ==>sin(203°)=-√k

2) cos² x +sin² x=1==>cos x=√(1+sin² x)=√(1+k)

3)tan (-x)=-tan (x) =-sin (x)/cos (x) =- √k/√(1+k)=√(k/(1+k))

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3 years ago

Finding Derivatives Implicity In Exercise, find dy/dx implicity. x2 - 3 ln y + y2 = 10

Veseljchak [2.6K]

Answer:

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

Step-by-step explanation:

We are given that

$x^2-3lny+y^2=0$

Differentiate w.r.t x

$2x-\frac{3}{y}\frac{dy}{dx}+2y\frac{dy}{dx}=0$

By using formula

$\frac{dx^n}{dx}=nx^{n-1}$

$\frac{d(lnx)}{dx}=\frac{1}{x}$

$\frac{dy^n}{dx}=ny^{n-1}\frac{dy}{dx}$

$\frac{dy}{dx}(-\frac{3}{y}+2y)+2x=0$

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

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

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

Hence, the derivative of function

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

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4 years ago