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3 years ago

Pls help with this question

Mathematics

1 answer:

Andreyy893 years ago

7 0

Answer:

7.01, 10, 7.1, 12, 7.001, 8, 15

Step-by-step explanation:

Those numbers are all greater than 7

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What is the equation of the line that passes through the points (3,-2) and (6,3)? Put your answer in full reduced form

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

From the coordinate geometry, equation of line that passes through two coordinates will be

y-y1 ={(y2-y1)/x2-x1)}(x-x2) where x1=3,y1= -2, x2 =6, y2 = 3. therefore substitute for the values

y-(-2) ={ 3-(-2)/6-3} x (x-6)

y+2 = 3+2/3 x (x-6)

y+2 =5/3(x-6) multiply both side by 3,

3(y+2) = 5(x-6)

3y+6 =5x-30

3y = 5x -30 -6

3y = 5x - 36. Therefore the equation of the line is

3y = 5x - 36.

6 0

4 years ago

Derivative of<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7B3x%7D%5E%7B2%7D%20-%202x%20-%201%20%7D%7B%20%7Bx%7D%5E%7B2

Anastaziya [24]

Answer:

$\displaystyle \frac{dy}{dx} = \frac{2x + 2}{x^3}$

Step-by-step explanation:

we would like to figure out the derivative of the following:

$\displaystyle \frac{ { 3x }^{2} - 2x - 1 }{ {x}^{2} }$

to do so, let,

$\displaystyle y = \frac{ { 3x }^{2} - 2x - 1 }{ {x}^{2} }$

By simplifying we acquire:

$\displaystyle y = 3 - \frac{2}{x} - \frac{1}{ {x}^{2} }$

use law of exponent which yields:

$\displaystyle y = 3 - 2 {x}^{ - 1} - { {x}^{ - 2} }$

take derivative in both sides:

$\displaystyle \frac{dy}{dx} = \frac{d}{dx} (3 - 2 {x}^{ - 1} - { {x}^{ - 2} } )$

use sum derivation rule which yields:

$\rm\displaystyle \frac{dy}{dx} = \frac{d}{dx} 3 - \frac{d}{dx} 2 {x}^{ - 1} - \frac{d}{dx} {x}^{ - 2}$

By constant derivation we acquire:

$\rm\displaystyle \frac{dy}{dx} = 0 - \frac{d}{dx} 2 {x}^{ - 1} - \frac{d}{dx} {x}^{ - 2}$

use exponent rule of derivation which yields:

$\rm\displaystyle \frac{dy}{dx} = 0 - ( - 2 {x}^{ - 1 -1} ) - ( - 2 {x}^{ - 2 - 1} )$

simplify exponent:

$\rm\displaystyle \frac{dy}{dx} = 0 - ( - 2 {x}^{ -2} ) - ( - 2 {x}^{ - 3} )$

two negatives make positive so,

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

<h3>further simplification if needed:</h3>

by law of exponent we acquire:

$\displaystyle \frac{dy}{dx} = \frac{2 }{x^2}+ \frac{2}{x^3}$

simplify addition:

$\displaystyle \frac{dy}{dx} = \frac{2x + 2}{x^3}$

and we are done!

5 0

3 years ago

What is 9,266÷59 with a remainder?

aleksklad [387]

It would be 157. 05 08 4746 would be the total answer the remainder would be 157 or 3

6 0

3 years ago

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The lines below are parallel. If the slope of the green line is -3, what is the

siniylev [52]

Answer:

m=-3

Step-by-step explanation:

Since the lines are parallel to each other, their gradients are equal.

∴ gradient of green line = gradient of red line

∴ m = -3

6 0

2 years ago

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What is the approximate area of the circle shown use 3.14 to approximate pi

puteri [66]

Answer:

use the brain smart one.

Step-by-step explanation:

7 0

4 years ago