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3 years ago

Any of ya'll good in Maths??

Mathematics

1 answer:

Stels [109]3 years ago

5 0

Yea yea ma’am why :)

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ITS been increased by 39%

Alenkasestr [34]

Answer:

Step-by-step explanation:

Let 'x' be the original price.

x + 39% of x = 197.38

x + 0.39 x = 197.38

1.39x = 197.38

x = 197.38/ 1.39

x = 142

6 0

3 years ago

Read 2 more answers

Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.

ludmilkaskok [199]

Answer:

$\dfrac{dy}{dx}=- \dfrac{1}{\left(x - 1\right) \left(x + 1\right)}$

Step-by-step explanation:

Given:

$y = \ln{\left(\dfrac{x + 1}{x - 1}\right)^{\frac{1}{2}}$

using the properties of log we can take the power 1/2 and multiply it.

$y = \dfrac{1}{2}\ln{\left(\dfrac{x + 1}{x - 1}\right)$

now we can differentiate:

$\dfrac{dy}{dx} = \dfrac{1}{2}\dfrac{1}{\left(\dfrac{x + 1}{x - 1}\right)}\left(\dfrac{d}{dx}\left(\dfrac{x+1}{x-1}\right)\right)$

$\dfrac{dy}{dx} = \dfrac{1}{2}\left(\dfrac{x - 1}{x + 1}\right)\left(- \dfrac{2}{\left(x - 1\right)^{2}}\right)$

$\dfrac{dy}{dx}=- \dfrac{1}{\left(x - 1\right) \left(x + 1\right)}$

this is our answer!

8 0

3 years ago

A(x)=(x-3)(x-8)<br> how do you re-write to standard form

pshichka [43]

Answer:

Step-by-step explanation:

$x^{2} -8x-3x+24$

$x^{2} -11x+24$

6 0

3 years ago

Find 2 and 3 please explain how u got ur answer

Svetllana [295]

1) ?=102 degrees
2) x=132 degrees
3) y=69 degrees and x=96 degrees
i hope the photo helps show you each step

4 0

3 years ago

What inequality is on the number line?

Elis [28]

Answer:
y ≥ -5

Explanation:
y is greater than -5 because the darkened line is heading towards the positive side.
(The positives are greater than the negatives.)
(The smaller negative numbers are greater than the larger negative numbers.)

7 0

3 years ago

Any of ya'll good in Maths??​

Any of ya'll good in Maths??