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Elenna [48]
3 years ago
13

Tell whether the angles are complementary or supplementary. Then find the value of x.

Mathematics
2 answers:
fredd [130]3 years ago
6 0

Answer:

complementary, x=60

Step-by-step explanation:

complementary angles add up to 90 degrees.

90= x + x- 30

2x= 120

x= 60

Degger [83]3 years ago
4 0

Answer:

Complementary angles and x is 60

Step-by-step explanation:

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What attribute do a rectangle, parallelogram, rhombus, and square ALL have in common?
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7 0
3 years ago
The distance from the ground of a person riding on a Ferris wheel can be modeled by the equation d equals 20 times the sine of t
kodGreya [7K]

We have the function d, representing the distance from the ground of a person riding on a Ferris wheel:

d(t)=20\sin (\frac{\pi}{30}t)+10

If we consider the position of the person at t = 0, which is:

d(0)=20\sin (\frac{\pi}{30}\cdot0)+10=20\cdot0+10=10

This position, for t = 0, will be the same position as when the argument of the sine function is equal to 2π, which is equivalent to one cycle of the wheel. Then, we can find the value of t:

\begin{gathered} \sin (\frac{\pi}{30}t)=\sin (2\pi) \\ \frac{\pi}{30}\cdot t=2\pi \\ t=2\pi\cdot\frac{30}{\pi} \\ t=60 \end{gathered}

Then, the wheel will repeat its position after t = 60 seconds.

Answer: 60 seconds.

7 0
1 year ago
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