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hjlf
3 years ago
8

Opposite angles formed by two intersecting lines are called _______ angles.​

Mathematics
2 answers:
ahrayia [7]3 years ago
8 0

Answer: vertical angles

these angles are also congruent

hope this helps!

joja [24]3 years ago
6 0

Answer:

vertical lines

Step-by-step explanation:

that's answer choice

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Logically, the answer is either 12 or 42

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Darryl earns $10 per hour tutoring students. if Darryl tutored for 25 hours this month, how much money did he earn this month​
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Step-by-step explanation:

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9. -5(4+6r)

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10. -9-n/3

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7 0
3 years ago
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What are the amplitude, period, and phase shift of the given function? f(t)=-1/2sin(3t-2pi)
Romashka [77]

Answer:

The amplitude=|A|=\frac{1}{2}, period=3 and \text{phase shift}=\frac{2\pi}{3}.

Step-by-step explanation:

The given function is

f(t)=-\frac{1}{2}\sin (3t-2\pi)      .... (1)

The general form of sine function is

F(t)=A\sin (Bt-C)+D                 ....(2)

where, |A| is the amplitude, B is period, D is the vertical shift (up or down), and C/B is used to find the phase shift.

On comparing (1) and (2), we get

A=-\frac{1}{2}

B=3

C=2\pi

D=0

So,

amplitude=|A|=\frac{1}{2}

period=3

\text{phase shift}=\frac{2\pi}{3}

Therefore amplitude=|A|=\frac{1}{2}, period=3 and \text{phase shift}=\frac{2\pi}{3}.

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4 years ago
Subtract.
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Answer:

405

Step-by-step explanation:

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