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3 years ago

How to find the reference angle in the third quadrant?

1 answer:

4 0

If you want to find the reference angle in degrees for any given angle(theta) in QIII, meaning theta is between 180 and 270.... simply take theta - 180

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What kind of angle is 2X?

andrezito [222]

Answer:

Step-by-step explanation:

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3 years ago

Find the period of the graph

olya-2409 [2.1K]

Answer:

240 degrees

Step-by-step explanation:

Looking at the graph we can see that the first peak is at -30 degrees and the second peak is at 210 degrees.

210 - (-30) = 210 + 30 = 240

5 0

3 years ago

Help please! (no links)

disa [49]

EZ is 24.5
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3 0

3 years ago

I NEED HELP PLEASE !

MrRa [10]

Answer:

x = 4, -2 1/2

Step-by-step explanation:

factors:

(2x + 5) (x - 4)

set each factor equal to zero:

2x + 5 = 0

2x = -5

x = -5/2

x - 4 = 0

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6 0

3 years ago

Which inequality is NOT true if y = -5?

sertanlavr [38]

Answer:

c is the answer

Step-by-step explanation:

solution

$3y + 9 \geqslant - 15$

$3( - 5) + 9 \geqslant - 15$

$- 15 + 9 \geqslant - 15$

$- 6 \geqslant - 15$

therefore the equation is not true

6 0

3 years ago