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dimaraw [331]
3 years ago
13

Please help I will give brainliest.

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
3 0
don’t worry i am to it’s it’s crazy cuz i want answers to
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Find the four arithmetic means between -21 and -36.
lara31 [8.8K]
The numbers given in the problem above are part of an arithmetic sequence with first and sixth terms equal to -21 and -36, respectively. Firstly, calculate for the common difference (d).
 
                                    d = (-36 - -21) / (6 - 1) = -3

The arithmetic mean is calculated by adding -3 to the term prior to it. 

            a2 = -21 + -3 = -24               a3 = -24 + -3 = -27
            a4 = -27 + -3 = -30               a5 = -30 + -3 = -33

Thus the four arithmetic means are -24, -27, -30, and -33.
4 0
3 years ago
Please answer this question now in two minutes
Nataly_w [17]

Answer:

Ray WV and Ray WX.

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5 0
3 years ago
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How can the Pythagorean Identity be used to find sin θ, cos θ, or tan θ and the quadrant location of the angle?
Archy [21]

First lets see the pythagorean identities

sin^2 \Theta + cos^2 \Theta =1

So if we have to solve for sin theta , first we move cos theta to left side and then take square root to both sides, that is

sin^2 \Theta = 1-cos^2 \Theta => sin \theta = \pm \sqrt{1-cos^2 \Theta}

Now we need to check the sign of sin theta

First we have to remember the sign of sin, cos , tan in the quadrants. In first quadrant , all are positive. In second quadrant, only sin and cosine are positive. In third quadrant , only tan and cot are positive and in the last quadrant , only cos and sec are positive.

So if theta is in second quadrant, then we have to positive sign but if theta is in third or fourth quadrant, then we have to use negative sign .

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2 years ago
(39PTS)Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled
kherson [118]
Car A traveled 55 miles per hour. Now, how I got this is with the distance= rate *time equation. You can send me a message if you need a more detailed explanation. Hope this helped. 
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2 years ago
The two lines below are parallel. If the slope of the red line is 3, what is the
rodikova [14]
The slopes of parallel lines are always equal. That means the slope of the green line is also 3.
Hope this helps, please mark brainliest if possible :)
8 0
2 years ago
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