3 years ago

A ship is 2.8 degree off course .If the ship is traveling at 14.0 miles per hour,how far off course will it be after 2 hours?

1 answer:

6 0

<span>During the two hours, the ship will have traveled 28 miles off course. The sin of the off course angle, 2.8, multiplied by 28 will give the answer: 1.37 miles.</span>

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How many thirds are in -3 3/4

Mariana [72]

$- 1 \frac{1}{4}$
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4 years ago

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valentina_108 [34]

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3 years ago

F(x) = x^2 + 4x + 20 find the real roots. take your time if you want :)

s344n2d4d5 [400]

Answer:

No real roots

$x = -2 + 4i, x = -2 - 4i$

Step-by-step explanation:

Hello!

We can solve the quadratic by using the Quadratic Formula.

Standard form of a Quadratic: $ax^2 + bx + c = 0$

Quadratic Equation: $x = \frac{-b\pm\sqrt{b^2 - 4ac}}{2a}$

Given our Equation: $f(x) = x^2 + 4x + 20$

a = 1
b = 4
c = 20

Set the equation to 0 and solve using the formula.

<h3>Solve</h3>

$x = \frac{-b\pm\sqrt{b^2 - 4ac}}{2a}$
$x = \frac{-4\pm\sqrt{4^2 - 4(1)(20)}}{2(1)}$
$x = \frac{-4\pm\sqrt{16 - 80}}{2}$
$x = \frac{-4\pm\sqrt{-64}}{2}$
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There are no real roots to the quadratic.

8 0

2 years ago

Convert radians to degrees <br> Show all the work<br> 6. 3.8 radians<br> 8. 5π/4(this is a fraction)

e-lub [12.9K]

Answer:

Below in bold.

Step-by-step explanation:

Degrees = radians * 180/π.

6. 3.8 radians = 3.8 * 180 / π

= 217.7 degrees to nearest hundredth.

8. 5π/4 radians = 5π/4 * 180/π

= 5*180/4

= 225 degrees.

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3 years ago

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The answer is X^2 - 25 click on the box for more details or explain.

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3 years ago