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7nadin3 [17]
3 years ago
5

Solve and check equation 20 = 2r - 3r + 10

Mathematics
1 answer:
Andreas93 [3]3 years ago
7 0

2r-3r+10=20

Move all terms to the left:

2r-3r+10-(20)=0

add all the numbers together, and all the variables

-1r-10=0

move all terms containing r to the left, all other terms to the right

-r=10

r=10/-1

r=-10

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Which graph type would be best suited for showing the median population for the state capitals in the United States?
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Same question just with picture
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Katena32 [7]
You don't need to understand the construction or why it works. You only need to accept the fact that it does. You can figure out the answers to this question by looking at the picture.

RT is tangent to circle Q -- TRUE. That is the point of the construction.

QT is a radius of circle Q -- TRUE. Q is the center and T is on the circle. A line segment from the center to a point on the circle is a radius.

m∠QSR = 90° -- FALSE. Those points lie on the same line. The measure of the angle is 180°.

QS = QT -- FALSE. S lies inside circle Q, so is closer to the center than T, which lies on the circle. (For some choice of point R, S might lie on the circle, but because this statement is not always true, it must be considered false.)

ΔRTQ is a right triangle -- TRUE. A tangent line is always perpendicular to the radius to the point of tangency. The construction succeeds because RTQ is inscribed in semicircle RTQ (centered at S). Such a triangle is always a right triangle.
3 0
4 years ago
what is the equation in standard form of the line that passes through the point (3,2) and has a slope of 1/3?
alexandr402 [8]

Answer:

6

Step-by-step explanation:

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3 years ago
Read 2 more answers
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