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laila [671]
3 years ago
12

3x+y= 7 2x+y= 6 what is x and what is y

Mathematics
1 answer:
weeeeeb [17]3 years ago
6 0
X=1; so then y must = 4
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How many triangles can you make with two side lengths of 6 inches that meet at a 50 degree angle.
Sonbull [250]
<h3>Answer: Exactly One Triangle</h3>

======================================================

Explanation:

Recall that by the SAS (side angle side) congruence theorem, if we know that two pairs of sides are the same length and the angles between them are also congruent, then we can conclude the triangles are congruent. This further means that we can only construct exactly one triangle with two side lengths of 6 inches, and they form a 50 degree angle between them. Applying transformations such as rotations, translations, or reflections will not change the triangle.

Side note: This triangle is isosceles because two sides are the same length. It is not equilateral because we would need to have all three angles to be 60 degrees.

5 0
2 years ago
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Earth orbits the sun in an elliptical pattern. The equation of Earth's path is.... where the measurements represent millions of
Triss [41]

General equation of Ellipse centered at (h,k) is given as

\frac{(x-h)^{2}}{a^{2}} + \frac{(y-k)^{2}}{b^{2}} =1\\

where a is the radius along x-axis

and b is radius along y-axis.

Given : The equation of elliptical path of Earth as

\frac{(x+2.5)^{2}}{22350.25} + \frac{y^{2}}{22344} = 1\\

Comparing the equation with the general equation, we get

(h,k) as (-2.5,0)

a = \sqrt{22350.25} = 149.5

b = \sqrt{22344} = 149.48

We have the Sun located at the coordinate (0,0).

Hence, the distance between Sun and Earth in July = 149.5 + 2.5 =152

∴ Earth's distance from the Sun in July is 152 million kilometers.



5 0
3 years ago
3 over 18 as a percent please help
Ratling [72]
3/8 as a percentage is 37.5%
3 0
3 years ago
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Which of the following is the vertical asymptote for the graph below?
forsale [732]

Answer:

C

Step-by-step explanation:

Vertical asymptotes are always in the form x = ?

If you look at the dotted line, it lands on 2.  Because it's a vertical line, the asymptote is going to be x = 2

4 0
2 years ago
8n+2=18? Show Your Work.
Yuri [45]
18 - 2 = 16
8n = 16
Divide
N = 2
7 0
3 years ago
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