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3 years ago

A reflection will _________ change the size of a figure. * A Always B Sometimes C Never

Mathematics

1 answer:

Lena [83]3 years ago

5 0

Answer:

never

Step-by-step explanation:

Reflections do not change the size or shape, just the location of the figure

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The circumference of a pizza is about 38 inches. What is the diameter of the pizza? Round to the nearest tenth if necessary

anygoal [31]

Answer:

The diameter of the pizza is 12 inches

Step-by-step explanation:

Given:

Circumference of a pizza = 38 inches

To Find:

The Diameter of the pizza =?

Solution:

Circumference:

The distance around the edge of a circle (or any curvy shape). It is a type of perimeter.

We know that the shape of the pizza is circle.

So the given circumference is circumference of a circle.

Now,

Circumference of the circle(pizza)= $2\pi r$

where r is the radius of the circle

circumference of the pizza =38

Thus

$2\pi r= 38$

$\pi r=\frac{38}{2}$

$\pi r=19$

$r=\frac{19}{3.14}$

r=6.050 inches

Now,

Diameter = $2\times r$

Diameter = $2\times 6.05$

Diameter=12.1 inches

Rounding to the nearest tenth

Diameter=12 inches

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3 years ago

the autopilot feature on a ship is designed to maintain a set speed if the ship's are actual speed never varies by more than fiv

Ipatiy [6.2K]

10 knots. 5 knots above and 5 knots below are added to equal 10 knots.

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3 years ago

Is this a function?<br> ignore the graph above the one with the dots lol

Evgen [1.6K]

Answer:

No.

Step-by-step explanation:

Use a vertical line test.

Vertical line test: If you can draw a vertical line and it <u>does not</u> cross two points in the line, then it is a function.

So, we draw a line.

Draw it through 9,0

It intercepts two points so No. This is not a function.

Hope this helps plz hit the crown :D

#Team Rainbows!

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3 years ago

Draw the next step in the sequence.

GaryK [48]

Answer:

8 Blocks across, 4 Blocks down in the first two columns.

Step-by-step explanation:

Starting from the beginning, they are adding 2 blocks to the right and directly below every

7 0

3 years ago

Read 2 more answers

Please help me, im about to cry cause im so confused. Please explain this to me

eduard

$\bold{2.5y=5x-5 }$

$\bold{y=\dfrac{5x-5}{2.5} }$

$\bold{y=\dfrac{2.5(2x-2)}{2.5} }$

$\bold{y=\dfrac{\cancel{2.5}(2x-2)}{\cancel{2.5}} }$

$\bold{ y=2x-2 }$

6 0

3 years ago