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3 years ago

Please help I don't understand how to do this

Mathematics

1 answer:

Jlenok [28]3 years ago

5 0

Answer:

Step-by-step explanation:

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PLEASE HELP QUICK THANKS!

never [62]

Answer:

(-infinity,1]

Step-by-step explanation:

set builder notation would be {x|x<=1}

3 0

3 years ago

Which angle measure less than or equal to 360° is equivalent to an angle of (17pi/4)

Greeley [361]

We are asked in the problem to convert 17 pi over 4 in to an angle that is less than or equal to 360 degrees. 17 pi over 4 is equal to 756 degrees. To answer this, we subtract 765 by 360 until the angle is les than 360. The answer is a. 45

7 0

3 years ago

Y=2x-5 and goes through the point (1,4)

Ne4ueva [31]

Step-by-step explanation:

plug in 1 and 4 for x and y

(4)=2(1)-5

then do the math

4=2-5

4 does not equal -3 therefore it is not a solution

6 0

2 years ago

You pick a card, roll a die, and find the sum. How many different sums are possible?

Whitepunk [10]

Answer : 6

step by step: there’s six sides to a dice

3 0

3 years ago

4) If x-1/x=5, fand the value of x²+ 1/x²

tangare [24]

Given:

$\sf x\ -\ \dfrac{1}{x}\ =\ 5$

To find:

$\sf The\ value\ of\ x^2\ +\ \dfrac{1}{x^2}.$

Answer:

$\sf x\ -\ \dfrac{1}{x}\ =\ 5$

Let's square the above expression.

$\sf \bigg(x\ -\ \dfrac{1}{x}\bigg)^2\ =\ 5^2$

According to the identities, (a - b)² = a² - 2ab + b². Using the same logic for the expression above,

$\sf x^2\ -\ 2\ \times\ x\ \times\ \dfrac{1}{x}\ +\ \dfrac{1}{x^2}\ =\ 25\\\\\\x^2\ -\ 2\ +\ \dfrac{1}{x^2}\ =\ 25\\\\\\x^2\ +\ \dfrac{1}{x^2}\ =\ 25 + 2\\\\\\x^2\ +\ \dfrac{1}{x^2}\ =\ 27$

Therefore, the value of x² + 1/x² is 27.

8 0

3 years ago

Please help I don't understand how to do this​

Please help I don't understand how to do this