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Arisa [49]
3 years ago
5

10 POINTS only answer if you KNOW

Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0
The answer is D, tony would always be behind Robert.
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Find the maximum and minimum values of the function. y=1/2sin2x
kykrilka [37]

Answer:  

(-1/2,1/2)

Step-by-step explanation:

Normally for sinx amplitude is 2 (1 +1). In the case when it is half sine amplitude is halved, therefore 0.5 +0.5 = 1 Paramers alpha = 2x does not matter because it only stretches the graph horizontally.

hope it helped

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2 years ago
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3 years ago
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PLEASE HELP! 8 POINTS!! Find the value
Pepsi [2]

Answer:

-sqrt(3)/2

Step-by-step explanation:

Use double angle identity for sin(2x)

sin(2x)=2sin(x)cos(x)

We are given sin(x)=-1/2 so we already have so far that:

sin(2x)=2(-1/2)cos(x)

sin(2x)=-1*cos(x)

We just need to find cos(x).  

x is in the fourth quadrant so cosine will be positive there

knowing the unit circle we should know that if sin(x)=-1/2 then cos(x)=sqrt(3)/2 while in 4th quadrant.

So the answer is sin(2x)=-1*sqrt(3)/2=-sqrt(3)/2

5 0
3 years ago
These are two angles that add up to 180° that share a common vertex. What do you call these angles?
Yuri [45]

Answer:

• linear angles

• supplementary angles (all linear angles are supplementary)

Step-by-step explanation:

If the angles share a side and are measured in opposite directions from that side, the non-common edges of these angles form a straight line, so these angles are sometimes called "linear" angles.

Since their sum is 180°, they are always "supplementary" angles. (Supplementary angles need not share a vertex or a side.)

8 0
3 years ago
Two parallel lines are crossed by a transversal. what is the value of a? plzz help!!
dedylja [7]
The answer is: b) a = 63°
5 0
3 years ago
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