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Bogdan [553]
3 years ago
13

List the transformations that are rigid motions ? Which are not?

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
7 0

We don't even get a menu?  Man.

Transformations that are rigid motions are also called isometries.  They preserve size and shape.

Rigid Motions:

Translation

Rotation

Reflection

There's often another one called a

Glide Reflection

which is a combination of translation and reflection.

Not Rigid Motions:

Dilation

Obviously dilations change the size.  There are also transformations that distort the figure, for example scaling the coordinates differently.  Let's call them:

Stretching

Shearing

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.(3x+1)(x-3)<br> Binomial
Dafna11 [192]

Answer:

3x^2−8x−3

Step-by-step explanation:

(3x+1)(x−3)

=(3x+1)(x+−3)

=(3x)(x)+(3x)(−3)+(1)(x)+(1)(−3)

=3x^2−9x+x−3

=3x^2−8x−3

5 0
3 years ago
The first term of a geometric sequence is 10,000 and the common ratio is 0.4. What
Misha Larkins [42]

a = 10000

r = 0.4 = 4/10 = 2/5

a_9 = ar^8 = 10000 × 2^8/5^8

a_9 = 10000 × 256/(25 × 25 × 25 × 25)

a_9 = 6.5536

7 0
3 years ago
(a) Work out the reciprocal of 1.25
Oxana [17]

Answer:

0.8 OR \frac{4}{5}

Step-by-step explanation:

The reciprocal of any number is the number that it multiplies by to equal 1.

The reciprocal can be found by simply converting the number into a fraction and then 'flipping' the fraction as any number multiplied by its reciprocal is 1.

E.g.

No. X/Y * Y/X (its reciprocal) = 1

\frac{x}{y} *\frac{y}{x} =\frac{xy}{xy} =1

So, to find the reciprocal of 1.25,we should first convert 1.25 to a fraction.

1.25 = 125/100

\frac{125/25}{100/25}=\frac{5}{4}

Now we just flip 5/4 to get our reciprocal:

\frac{4}{5} = 0.8

Test: 0.8 * 1.25 = 1

The reciprocal of 1.25 (\frac{5}{4}) is 0.8 (\frac{4}{5}).

Hope this helped!

8 0
2 years ago
What Is 9+10? Please Tell Me. Is It 19 Or 21!?
mrs_skeptik [129]
9+10=19
proof, 9=1 plus 1 9 times (to lazy to write it out)
10=1 plus 1 10 times(to lazy)
so 1+1+1+1+1+1+1+1+1 + 1+1+1+1+1+1+1+1+1+<span>1 = 19</span>
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3 years ago
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Answer:

D brainliest?

Step-by-step explanation:

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3 years ago
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