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3 years ago

Help me please thank you

Mathematics

2 answers:

alina1380 [7]3 years ago

8 0

Definitely the top right and the bottom left choices. The other two can't be folded/reflected in any way that could create symmetry.

Aneli [31]3 years ago

3 0

THE ANSWER IS THE SECOND AND THIRD CHOICE.

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10. A circle has an arc with measure 80° and length 887. What is the<br> diameter of the circle?

zaharov [31]

The diameter of the whole circle is 2*pi*radius . The arc length is then 80/360*pi*radius*=88*pi
radius=88*180/80
=44*180/40
=22*180/20
=11*180/10
=11*18
=(10+1)*18
=198
The diameter is 2*198=(200-2)=400-4=396

SO BASICALLY THE ANSWER IS 396

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3 years ago

What is the remainder when 5,126 is divided by 9?

Radda [10]

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5 0

4 years ago

Read 2 more answers

Find anequation for the perpendicular bisector of the line segment whose endpoints are(3, -1) and (-9,5).

Mariulka [41]

The perpendicular bisector goes through the midpoint.

What is the midpoint of the 2 points?

We simply add up the x points and divide by 2. Then we add up the y points and divide by 2.

So,

Midpoint is:

$(\frac{3-9}{2},\frac{-1+5}{2})=(-3,2)$

Also, the perpendicular bisector's slope is the negative reciprocal of the line's slope.

The slope of the line is change in y points divided by change in x points.

Slope =

$\frac{5--1}{-9-3}=\frac{5+1}{-12}=\frac{6}{-12}=-\frac{1}{2}$

The slope (m) of the perpendicular line (negative reciprocal) is basically:

$2$

Equation of line is:

$y-y_1=m(x-x_1)$

m is the slope (what we got "2")

x1 and y1 are the respective point where it passes through (which is the midpoint, which is (-3,2)

So, equation of perpendicular bisector is:

$\begin{gathered} y-y_1=m(x-x_1) \\ y-2=2(x+3) \\ y=2x+6+2 \\ y=2x+8 \end{gathered}$

4 0

1 year ago

Answer quick for brainliest please put negitives if needed.

AlladinOne [14]

Answer:

y = x - 3

Step-by-step explanation:

Because as x increases by 1 y increases by 1, so y = x ,

but the y intercept is - 3

5 0

3 years ago

3a≥ -6<br> solve for a <br> PLEASE

ddd [48]

Answer: Divide each term in 3 a ≥ − 6 by 3 . 3 a 3 ≥ − 6 3 Cancel the common factor of 3 . Tap for more steps... a ≥ − 6 3 Divide − 6 by 3 . a ≥ − 2 The result can be shown in multiple forms. Inequality Form: a ≥ − 2 Interval Notation: [ − 2 , ∞ )

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3 years ago