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Anettt [7]
2 years ago
6

Need help with 7 and 8

Mathematics
1 answer:
spin [16.1K]2 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

The tangent segments are equal so you set them equal to each other and solve.

7)    3x-6 = x + 10                                    8) 4x + 2 = 2x + 8

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Type the correct answer in the box. Assume that pi=3.14 and round to the nearest hundredth.
ikadub [295]
White area = \[\frac{15^2\pi}{4}\] Shaded area = \[15^2-\frac{15^2\pi}{4}\]
4 0
4 years ago
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A diameter of a circle has endpoints P(-10,-2) and Q(4,6).
Lesechka [4]

Check the picture below.

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ P(\stackrel{x_1}{-10}~,~\stackrel{y_1}{-2})\qquad Q(\stackrel{x_2}{4}~,~\stackrel{y_2}{6}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{4-10}{2}~~,~~\cfrac{6-2}{2} \right)\implies \left( \cfrac{-6}{2}~,~\cfrac{4}{2} \right)\implies \stackrel{\textit{center}}{(-3~,~2)} \\\\[-0.35em] ~\dotfill

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ \stackrel{\textit{center}}{(\stackrel{x_1}{-3}~,~\stackrel{y_1}{2})}\qquad Q(\stackrel{x_2}{4}~,~\stackrel{y_2}{6})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ \stackrel{radius}{r}=\sqrt{[4-(-3)]^2+[6-2]^2}\implies r=\sqrt{(4+3)^2+(6-2)^2} \\\\\\ r=\sqrt{49+16}\implies r=\sqrt{65} \\\\[-0.35em] ~\dotfill

\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{-3}{ h},\stackrel{2}{ k})\qquad \qquad radius=\stackrel{\sqrt{65}}{ r} \\[2em] [x-(-3)]^2+[y-2]^2=(\sqrt{65})^2\implies (x+3)^2+(y-2)^2=65

5 0
3 years ago
13)
Law Incorporation [45]

The Domain (x-values and independent variable) would be the time of day

The Range (y-values and dependent variable) would be the amount of people in a movie theater

5 0
3 years ago
Can anyone help me please??? Almost done Thank you!!
Hitman42 [59]

Answer:

you might’ve already answered this but it’s 65

Step-by-step explanation:

the two sides in a triangle have to be congruent so if one angle is 65, the other has to be 65 too :)

4 0
3 years ago
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You are saving up money to buy a new ipad. You begin with $25, and are able to save $40 each month. Write an
yawa3891 [41]

Answer:

567

Step-by-step explanation:

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3 years ago
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