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mario62 [17]
3 years ago
8

The reference angle for 305Á is _____Á.

Mathematics
1 answer:
tatuchka [14]3 years ago
4 0
The reference angle is the angle that always uses the x-axis as a frame of reference. The reference angle is the smallest angle between the terminal side and the x-axis.
In the 1 st Quadrant: reference angle is the same ( x ).
In the 2nd Quadrant: 180° - x.
In the 3rd Quadrant: x - 180°.
In the 4th Quadrant: 360° + x.
An angle that measures 305° is in the 4th Quadrant:
360° - 305° = 55°
Answer: the reference angle is 55°.
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Step-by-step explanation:

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Hey there!

Let's first simplify this expression using our rules of exponents.

We know that:

1)   (a^b)^c = a^{bc}

And:

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Finally:

3)  x^{b} /x^c = x^{b-c}

One more:

4)  a^0 = 1

Now, we can simplify the top. Using our rule number 1<em />, we know we can just multiply the exponents to get 7^12. On the bottom, using our rule number 2, we know we can add out exponents to also get 7^12.

Without even simplifying the powers, we know that everything over itself if one. Therefore, in our answer choices, we're looking for everything not equal to one.

For the 7^12/7^12, we know that's what we just got so it equals one. For the 1, well, one equals one. For the next one, referring to our last rule, 4, anything to the power of 0 equals one, therefore that's also equal to one.

Now for our final answer choice. If we take another look at rule number 3, we know we have to subtract the exponent at the bottom from the one at the top because the exponents have the same base. That gives us 7^-24, and that surely does not equal one.

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7 0
4 years ago
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deff fn [24]

Answer:

last option

Step-by-step explanation:

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3 years ago
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gogolik [260]

Answer:

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Step-by-step explanation:

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Factors of 28

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The numbers -4 and -7 satisfy this requirement and are therefore the numbers we want. Now we stick them into parenthesis along with x terms in the front like this:

(x - 7)(x -4)

And that is the fully factored form.

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