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3 years ago

Please help! If the m = 1/2 and the b = -2, then the linear equation is:

Mathematics

2 answers:

hoa [83]3 years ago

8 0

Y=1/2x-2 is the correct answer

Vsevolod [243]3 years ago

7 0

Answer:

y=1/2x-2

you write it in y=mx+b form

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Given that when x is reduced by 17% the answer is y, express x in terms of y.

Dima020 [189]

X - 0.17 = y

add 0.17 to both sides

x = y + 0.17

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3 years ago

Becky took out an 80/20 mortgage on a $167,000 home. What is the amount

Aleonysh [2.5K]

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3 years ago

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Find the integration of (1-cos2x)/(1+cos2x)

slega [8]

Given:

The expression is:

$\dfrac{1-\cos 2x}{1+\cos 2x}$

To find:

The integration of the given expression.

Solution:

We need to find the integration of $\dfrac{1-\cos 2x}{1+\cos 2x}$ .

Let us consider,

$I=\int \dfrac{1-\cos 2x}{1+\cos 2x}dx$

$I=\int \dfrac{2\sin^2x}{2\cos^2x}dx$ $[\because 1+\cos 2x=2\cos^2x,1-\cos 2x=2\sin^2x]$

$I=\int \dfrac{\sin^2x}{\cos^2x}dx$

$I=\int \tan^2xdx$ $\left[\because \tan \theta =\dfrac{\sin \theta}{\cos \theta}\right]$

It can be written as:

$I=\int (\sec^2x-1)dx$ $[\because 1+\tan^2 \theta =\sec^2 \theta]$

$I=\int \sec^2xdx-\int 1dx$

$I=\tan x-x+C$

Therefore, the integration of $\dfrac{1-\cos 2x}{1+\cos 2x}$ is $I=\tan x-x+C$ .

8 0

3 years ago

The product of 3 and a number x is 23 . What is the value of x?

Scrat [10]

I believed there's a typo in your question
The product of 3 and a number x is 2/3
if so
3x = 2/3
x = 2/3 * 1/3
x = 2/9

answer
x = 2/9

8 0

4 years ago

Secants P N and L N intersect at point N outside of the circle. Secant P N intersects the circle at point Q and secant L N inter

JulijaS [17]

Answer:

A circle is shown. Secants P N and L N intersect at point N outside of the circle. Secant P N intersects the circle at point Q and secant L N intersects the circle at point M. The length of P N is 32, the length of Q N is x, the length of L M is 22, and the length of M N is 14.

In the diagram, the length of the external portion of the secant segment PN is X

The length of the entire secant segment LN is 36.

The value of x is 15.74

Step-by-step explanation:

Snap

Jona_Fl16

7 0

3 years ago

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