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Gre4nikov [31]
3 years ago
12

Please help ASAP. Thanks so much.

Mathematics
1 answer:
MAVERICK [17]3 years ago
5 0

Answer:

B. 3

Step-by-step explanation:

To find the value of c, substitute the x and y values of the given point into x and y of the equation, then isolate c. Since that given point is (2,5), substitute 2 for x and 5 for y:

(5) = -2(2)^2+8(2)-c\\5 = -2(4)+16-c\\5 = -8 + 16 - c \\5 = 8 -c\\-3 = -c\\c = 3

Thus, c = 3.

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3 years ago
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In the figure, c || d. what are the measures of angle 1 and angle 2?
dusya [7]

Answer:

Angle 1 = 105

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Step-by-step explanation:

Angle 2 and angle 75 are corresponding angles.

Corresponding angles are equal.

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drek231 [11]

Answer:

Step-by-step explanation:

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4 0
2 years ago
If (m, 2) is on a circle with center (−3, 2) and radius 8, what is a value of m?
Talja [164]
\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ -3}}\quad ,&{{ 2}})\quad 
%  (c,d)
&({{ m}}\quad ,&{{ 2}})
\end{array}\qquad 
%  distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}

\bf \textit{we know the distance from m,2 and -3,2(center) is the radius}
\\\\\\
d=8\implies 8=\sqrt{[m-(-3)]^2+[2-2]^2}
\\\\\\
8=\sqrt{(m+3)^2+(0)^2}\implies 8=\sqrt{(m+3)^2}\implies 8^2=(m+3)^2
\\\\\\
64=(m+3)^2\implies \sqrt{64}=\sqrt{(m+3)^2}\implies 8=m+3
\\\\\\
8-3=m
4 0
3 years ago
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