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4 years ago

7

Simplify the expression.

1 answer:

Yuri [45]4 years ago

3 0

Answer:

The answer to your question is letter A) cot x

Step-by-step explanation:

$\frac{1 - cot x}{tan x - 1}$

Remember that cot x = $\frac{1}{tan x}$

Then

$\frac{1 - \frac{1}{tan x} }{tanx -1}$

Simplify

$\frac{\frac{tan x - 1}{tan x} }{tan x - 1}$

$\frac{tan x - 1}{tan x (tan x - 1)}$

$\frac{1}{tan x}$

Result

$\frac{1}{tan x} = cot x$

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Evaluate 0.3y + y/x when y = 10 and z =5

coldgirl [10]

Answer:

5

Step-by-step explanation:

0.3*10=3

10/5=2

--------------------

3+2=5

8 0

4 years ago

A home business has an average income of $900.00 per month with a standard deviation of $15.00. If the income in a given month i

Llana [10]

Answer = 2.00

Z score is a statistical that corresponds to the standardization of the regular score to a normal distribution

The formula for Z score is Z = [X - mean ]./ (standard deviation)

Here X = 930.00; mean = 900.00; and standard deviation = 15.00

Then, Z = [930.00 - 900.00] / 15.00 = 30.00 / 15.00 = 2.00

Therefore, your answer is 2.00

Hope I helped :)

3 0

3 years ago

What is each product? For 5/10•10/3

Naily [24]

10 cancels out so its 5/3 :) Rate Me plz <span />

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3 years ago

Add the following polynomials, then place the answer in the proper location on the grid.

aivan3 [116]

Answer:

$x^3 - 6x + 2$

Step-by-step explanation:

The given polynomials can be added together by adding like terms together as shown below:

=> Add together, the coefficient of all terms that have the power of 3.

$(2x^3) + (x^3) + (-3x^3)$

$2x^3 + x^3 - 3x^3$

$3x^3 - 3x^3$

$x^3$

=> $(-4x^2) + (6x^2) + (2x^2)$

$-4x^2 + 8x^2$

$4x^2$

=> $(6x) + (-8x) + (-4x)$

$6x - 8x - 4x$

$-6x$

=> $(-3) + (12) +(-7)$

$-3 + 12 - 7$

$2$

The answer = $x^3 - 6x + 2$

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3 years ago

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Taya2010 [7]

Answer: 9x3-17x2-x+7

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3 years ago