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3 years ago

Which statements are true regarding the area of circle D? Select two options.

Mathematics

2 answers:

shepuryov [24]3 years ago

7 0

Answer:

The ratio of the measure of central angle PQR to the measure of the entire circle is 1/8

The area of the shaded sector depends on the length of the radius.

The area of the shaded sector depends on the area of the circle.

Step-by-step explanation:

True [87]3 years ago

4 0

Answer:

1,4,5 on edg

Step-by-step explanation:

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Write an equation of the perpendicular bisector of the line segment whose endpoints are (−1,1) and (7,−5)

icang [17]

The equation is $y = \frac{3}{2} x - \frac{11}{2}$

<u>Explanation:</u>

We have to first find the mid-point of the segment, the formula for which is

$(\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2} )$

So, the midpoint will be $(\frac{-1+7}{2} , \frac{1-5}{2} )\\\\$

= $(3,-2)$

It is the point at which the segment will be bisected.

Since we are finding a perpendicular bisector, we must determine what slope is perpendicular to that of the existing segment. To determine the segment's slope, we use the slope formula $\frac{y_2-y_1}{x_2-x_1}$

The slope is $\frac{-5-1}{7+1}$ = $-\frac{2}{3}$

Perpendicular lines have opposite and reciprocal slopes. The opposite reciprocal of $-\frac{2}{3}$ is $\frac{3}{2}$

To write an equation, substitute the values in y = mx + c

WHere,

y = -1

x = 3

m = 3/2

Solving for c:

$-1 = \frac{3}{2} X 3 + c\\\\-1 = \frac{9}{2}+c\\ \\c = \frac{-2-9}{2} \\\\c = \frac{-11}{2}$

Thus, the equation becomes:

$y = \frac{3}{2} x - \frac{11}{2}$

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3 years ago

Please Help I’m in a test!!!!!

Semenov [28]

Answer:

undefined

Step-by-step explanation:

The x coordinates didn't change so the line is vertical and vertical lines have undefined slope

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Enter the value of (0.45) divided by 9/10

Sergeu [11.5K]

The value is .5 or 1/2

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Hao dog ate 40 cans of dog food in 31 days how many cans does hao need to buy for the next 6 days

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Vesnalui [34]

Answer:

Step-by-step explanation:

bc i said its 6

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