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sineoko [7]
2 years ago
11

If the given figure is rotated 180° around the origin, what are the new coordinates of point Z? Z= (6,-9)

Mathematics
1 answer:
Nitella [24]2 years ago
5 0

Answer:

Step-by-step explanation:

Rule for 180 rotation: (x,y) becomes (-x,-y)

So (6,-9) becomes (-6,9)

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The diameter of a circle is 16 units <br><br> What is the radius of the circle?
bonufazy [111]

Answer:

The radius is 8. To find the radius you divide the diameter in half.

Comment and let me know if this is right.

Step-by-step explanation:

8 0
3 years ago
How many significant digits should the product of 11,435 meters and 19.35 meters have?
marin [14]

Answer:

It has 8 significant figures

Step-by-step explanation:

Product of 11,435 meters and 19.35 meters

Product means multiplication(×)

= 11,435 × 19.35

= 221,267.25

Product of 11,435 meters and 19.35 meters = 221,267.25

It has 8 significant figures

Significant figures are non-zero digits or trapped zeros

6 0
2 years ago
Write the equation of a line that passes through the points (-2, -8) and (2, -6).
Anna [14]

Answer:

y = \frac{1}{2} x - 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, - 8) and (x₂, y₂ ) = (2, - 6)

m = \frac{-6+8}{2+2} = \frac{2}{4} = \frac{1}{2} , thus

y = \frac{1}{2} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (2, - 6), then

- 6 = 1 + c ⇒ c = - 6 - 1 = - 7

y = \frac{1}{2} x - 7 ← equation of line

5 0
3 years ago
Find the angle of arc BC
amid [387]

Answer:

   96°

Step-by-step explanation:

The measure of arc EC is twice the measure of ∠DEC, so is ...

  arc EC = 2×68° = 136°

The measure of arc BC is found from the sum of arcs around a circle.

  BC +CE +EB = 360° = BC +136° +128°

  BC = 96° . . . . . subtract 264°

6 0
3 years ago
The diagram shows the position
raketka [301]

Answer:

Step-by-step explanation:

143º I’m not sure

4 0
3 years ago
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