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Debora [2.8K]
3 years ago
6

It's elimination linear equations -x+y=-2

Mathematics
1 answer:
Korolek [52]3 years ago
8 0
Y equals -5 and x equals 3
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Can someone plz help me with this one problem!!!
Tems11 [23]

Answer:

No

Step-by-step explanation:

4,6 X is the first coordinate y is the second

so thta means the equation is 4=6 and 4 is not equal to 6

6 0
3 years ago
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Simplify 9x - 7 + 3 + z
Triss [41]
9x - 7 +3 +z
9x -4 + z
6 0
4 years ago
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Find sin(x/2), cos(x/2), and tan(x/2) from the given information.
Nimfa-mama [501]

The values of sin (x/2) = 4/√17,   cos (x/2) = 1/√17 and  tan (x/2) = 4.

<h3>What is Trigonometry?</h3>

Trigonometric ratios are the ratios of the length of sides of a triangle. These ratios in trigonometry relate the ratio of sides of a right triangle to the respective angle.

Here, cos x = -15/17  (given)

we know, cos x = 2cos²x/2 - 1

                cos²(x/2) = (cos x + 1)/2

                  cos²(x/2) = (-15/17 + 1)/2

                 cos²(x/2) = 1/17

                 cos (x/2) = 1/√17

then, sin (x/2) = √(1- cos²(x/2))  

          sin (x/2) = √(1 - 1/17)

          sin (x/2) = √16/17

          sin (x/2) = 4/√17

and tan (x/2) = sin (x/2) / cos (x/2)  

       tan (x/2) = \frac{4/\sqrt{17} }{1/\sqrt{17} }

       tan (x/2) = 4

Thus, the values of sin (x/2) = 4/√17,   cos (x/2) = 1/√17 and  tan (x/2) = 4.

Learn more about Trigonometry from:

brainly.com/question/22698523

#SPJ1

6 0
2 years ago
How is comparing 645 and 738 is different from 645 and 649
Lesechka [4]
It's different because they have 2 different numbers<span />
5 0
3 years ago
Jim is running on a trail that is 5/4 of a mile long. so far he has run 2/3 of the trail. how many miles does he have left to ru
kirill115 [55]
5/4 - 2/3 =
15/12 - 8/12 =
7/12 of a mile left <==
8 0
4 years ago
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