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3 years ago

13

Find the value of the cot 10° using your calculator.

2 answers:

Galina-37 [17]3 years ago

7 0

The cotangent function can be obtained by taking the reciprocal of the tangent of the same angle. Using a calculator, taking the tangent of 10 degrees and taking the reciprocal of the answer would yield the correct one. With that, the correct answer would be D.) 5.671.

lisov135 [29]3 years ago

6 0

Answer:

5.671

Step-by-step explanation:

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White raven [17]

Answer:

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Step-by-step explanation:

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2 years ago

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Step-by-step explanation:

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3 years ago

GaryK [48]

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3 years ago

one apartment costs $1000 a month with deposit off $1500. Another apartment costs 1175 a month with a 1200 deposit. how many mon

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3 years ago

I need help, pls and thx

Sauron [17]

The solutions for the quadratic equation are given as follows:

x = -1, x = 7/5

<h3>What is a quadratic function?</h3>

A quadratic function is given according to the following rule:

y = ax^2 + bx + c

The solutions are:

$x_1 = \frac{-b + \sqrt{\Delta}}{2a}$

$x_2 = \frac{-b - \sqrt{\Delta}}{2a}$

In which:

$\Delta = b^2 - 4ac$

For this problem, the equation is:

5x² - 2x - 7 = 0.

Hence the coefficients are a = 5, b = -2 and c = -7, and then the solutions are found as follows:

$\Delta = (-2)^2 - 4(5)(7) = 144$

$x_1 = \frac{2 + \sqrt{144}}{10} = \frac{7}{5}$

$x_2 = \frac{2 - \sqrt{144}}{10} = -1$

The solutions are:

x = -1, x = 7/5

More can be learned about quadratic equations at brainly.com/question/24737967

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2 years ago