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2 years ago

Enter the trigonometric equation you would use to solve for x in the following right triangle. Do not solve the equation.

Mathematics

1 answer:

Blababa [14]2 years ago

7 0

Equation:

$tan(x) = \frac{opp}{adj}$

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Dy/dx of ln(x/x^²+1)

exis [7]

$\dfrac{dy}{dx}\ \ln\left(\dfrac{x}{x^2+1}\right)=\dfrac{1}{\frac{x}{x^2+1}}\cdot\dfrac{x'(x^2+1)-x(x^2+1)'}{(x^2+1)^2}\\\\=\dfrac{x^2+1}{x}\cdot\dfrac{1(x^2+1)-x(2x)}{(x^2+1)^2}=\dfrac{1}{x}\cdot\dfrac{x^2+1-2x^2}{x^2+1}=\dfrac{1-x^2}{x^3+x}\\\\Used:\\\\(\ln(x))'=\dfrac{1}{x}\\\\\left[f(g(x))\right]'=f'(g(x))\cdot g'(x)\\\\\left(\dfrac{f(x)}{g(x)}\right)'=\dfrac{f'(x)g(x)-f(x)g'(x)}{[g(x)]^2}$

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3 years ago

Can someone please give me the (Answers) to this? ... please ... I need help….

Mrac [35]

Answer:

Step-by-step explanation:

5. x/7 = 9/x

x^2 = 63

x= 3 $\sqrt{7}$

6. x/84 = 16/x

x^2 = 1344

x=8 $\sqrt{21}$

7. x/12 = 12/16

16x=144

x=9

8. x/48 = 48/64

64x=2304

x=36

5 0

1 year ago

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On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite

Liono4ka [1.6K]

Answer:

b = -a

Step-by-step explanation:

Since a and b are equally distant to zero but in opposite directions, a and b are opposites, or additive inverses.

The sum of additive inverses is zero.

a + b = 0

b = -a

8 0

1 year ago

Kyle bought some $12 shirts. Sally bought some $15 shirts. They each spent less than $200, but they both spent the same amount.

stira [4]

Answer:

sorry dont know answer.....

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2 years ago

Simplify the following expression (-5x + 6x2) - (6x2 – 5x)

Nookie1986 [14]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Distributive Property

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

(-5x + 6x²) - (6x² - 5x)

Step 2: Simplify

[Distributive Property] Distribute negative: -5x + 6x² - 6x² + 5x
[Subtraction] Combine like terms (x²): -5x + 5x
[Addition] Combine like terms (x): 0

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3 years ago

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