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andre [41]
3 years ago
8

If the point P(-4/5,y) lies on the unit circle and P is in the third quadrant, what does y equal? If necessary, use the slash ma

rk ( / ) for a fraction bar.
Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
8 0
We use the fact that x2+y2=1  This is the equation of the unit circle.
We know that x=-4/5, so plug this in and solve for y
x2+y2=1 <span>(−4/5)^2+y2=1</span> 16/25+y2=1 y2=1−16/25 y2=9/25 <span>y=−square root of 9/ 25</span>
y = -3/5
guapka [62]3 years ago
7 0

Answer:

-3/5

Step-by-step explanation:


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What transformation of the parent function f(x) is made to get 4f(x+2)
LenKa [72]

Answer: A vertical stretch of 4 and a translation of -2 units in the x-direction.

Step-by-step explanation:

       Changes of the parent function can be written, in this case as <em>a</em>f(x)(x - <em>k</em>) where <em>a</em> is the stretch factor and <em>k</em> is the movement left or right on the x-axis.

       In this case, a = 4 and k = 2. Since the k is negative, the function will be moved -2 units on the x-axis.

<em>Learn more about </em><em>transformations of a parent function</em><em> here:</em>

<em>brainly.com/question/13822715</em>

7 0
2 years ago
Which fraction is equivalent?<br> 1/6 5/30 6/30
gogolik [260]
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Hope this helps!
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3 years ago
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ololo11 [35]

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Step-by-step explanation:

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Jay and blair were fishing. Togther,they caught 21 fish. Jay caught 2 times as many fish as blair how many fish did Jay and Blai
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3 years ago
(-9,5); m=4 right and equation in point slope form of the line that passes through the given point and with the given slope M
NikAS [45]

Answer:

Slope form of line  y = 4x +41

Step-by-step explanation:

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The equation of the line that passes through the given point  (-9,5) is

y =mx +b

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6 0
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