In Triangle ABC, which trigonometric ratio has the value a/c?

Mathematics

2 answers:

jekas [21]3 years ago

8 0

The answer is A) tan A.

jeka943 years ago

7 0

B cos A hope this helps

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John is a quarterback. This year, he completed 350350350 passes, which is 70\%70%70, percent of all the passes he's attempted th

-Dominant- [34]

let 'x' represent the number of all the passes for the year

350 passes = 70% of all the passes

350 passes = 70% of x

0.70x = 350

by solving we find:

x = 500 passes

6 0

3 years ago

How to factor 3x^2-10x-8?

Soloha48 [4]

<em> $answer \\(x - 4)(3x + 2) \\ solution \\ {3x}^{2} - 10x - 8 \\ = {3x}^{2} - (12 - 2)x - 8 \\ = {3x}^{2} - 12x + 2x - 8 \\ = 3x(x - 4) + 2(x - 4) \\ = (x - 4)(3x + 2) \\ hope \: it \: helps$ </em>

4 0

3 years ago

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Identify the zeros of the function f(x) = 2x^2 − 4x + 5 using the Quadratic Formula

Nostrana [21]

For this case we have that by definition, the roots, or also called zeros, of the quadratic function are those values of x for which the expression is 0.

Then, we must find the roots of:

$2x ^ 2-4x + 5 = 0$

Where:

$a = 2\\b = -4\\c = 5$

We have to: $x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}$

Substituting we have:

$x = \frac {- (- 4) \pm \sqrt {(- 4) ^ 2-4 (2) (5)}} {2 (2)}\\x = \frac {4 \pm \sqrt {16-40}} {4}\\x = \frac {4 \pm \sqrt {-24}} {4}$

By definition we have to:

$i ^ 2 = -1$

So:

$x = \frac {4 \pm \sqrt {24i ^ 2}} {4}\\x = \frac {4 \pm i \sqrt {24}} {4}\\x = \frac {4 \pm i \sqrt {2 ^ 2 * 6}} {4}\\x = \frac {4 \pm 2i \sqrt {6}} {4}\\x = \frac {2 \pm i \sqrt {6}} {2}$