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3 years ago

20 points for u if u teach me how to do this and answer the questions for me

Mathematics

1 answer:

ivann1987 [24]3 years ago

8 0

First write down the formula which is: y=mx+b
M is the slope and B is the y-intercept
The slope is rise/run, so if your slope is 2 then, 2 is your rise and 1 is your run
In order to find the y intercept you have to plot the points given in your question and and move your rise down and moving the run to the left until you find your y-intercept
Once you find the y-intercept, just plug in your slope and y-intercept

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X = 1 + root 2 , find the value of (x - 1/x )^3

steposvetlana [31]

Answer:

$(\sqrt{2})^3$

Step-by-step explanation:

Given the expression

$(x - \frac{1}{x} )^3$

Simplify

$(\frac{x^2-x}{x} )^3$

Given that x = 1+√2

Substitute

$(\frac{(1+\sqrt{2} )^2-(1+\sqrt{2} )}{1+\sqrt{2} } )^3\\=( \frac{1+2\sqrt{2} +2 - 1 - \sqrt{2}}{1+\sqrt{2}} )^3\\= (\frac{\sqrt{2}+2}{1+\sqrt{2}})^3 \\Rationalize\\= (\frac{\sqrt{2}-2+2-2\sqrt{2}}{1-2})^3 \\=( \frac{-\sqrt{2}}{-1})^3 \\= (\sqrt{2})^3\\ \\$

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3 years ago

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Sergeu [11.5K]

6 x 10 to the 9th power

4 0

3 years ago

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alexdok [17]

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3 years ago

Please help ill rate you 5 and follow yoy and like maybe even brainlist!

Nataly_w [17]

(a) y >_ 13
(b) x > 17.5

Explanations:

(a)
24.2 - y <_ 11.2
- y <_ 11.2 - 24.2
-y <_ -13
y >_ 13

(b)
- 12.5 + x > 5
x > 5 + 12.5
x > 17.5

(<_ means “less than or equal to” and >_ means “greater than or equal to”)

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3 years ago

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MA_775_DIABLO [31]

Answer:

24 1/2 minutes

Step-by-step explanation:

10 problems in 7 minutes

5 problems in 3 1/2 minutes

multiply 5 × 7 (5×7 = 35) to get 35

multiply (or add) 3 1/2 minutes times 7 (or add it together 7 times

5 0

4 years ago

Read 2 more answers