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S_A_V [24]
3 years ago
9

A Pentagon is transformed according to the rule R0, 180°. Which is another way to state the transformation?

Mathematics
2 answers:
postnew [5]3 years ago
8 0

The another way to state the transformation would be (x,y)>(-x,-y)

<u>Solution:</u>

Rotation about the origin at 180^\circ: R_{180^\circ}A \rightarrow O = R_{180^\circ} (x, y) \rightarrow (-x,-y)

The term R0 means that the rotation is about the origin point. Therefore, (R0,180) means that we are rotating the figure to 180^\circ about the origin.

So, the transformation of the general point (x,y) would be (-x,-y) when it is rotated about the origin by an angle of 180^\circ.

Hence according to the representation, the expression would be (x, y) \rightarrow (-x, -y).

Natali [406]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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3 years ago
Find the LCM of 308 and 420.
siniylev [52]

Answer:

4620

Step-by-step explanation:

Multiples of 308:

308, 616, 924, 1232, 1540, 1848, 2156, 2464, 2772, 3080, 3388, 3696, 4004, 4312, 4620, 4928, 5236

Multiples of 420:

420, 840, 1260, 1680, 2100, 2520, 2940, 3360, 3780, 4200, 4620, 5040, 5460

Therefore,

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8 0
4 years ago
Read 2 more answers
Cual es la simplificacion de 66/81
Karo-lina-s [1.5K]

Answer:

Hence the simplification of \dfrac{66}{81} is \dfrac{22}{27}

Step-by-step explanation:

<em>" Simplification is the process of replacing a mathematical expression by an equivalent one, that is simpler (usually shorter), </em>

<em>for example</em><em>: Simplification of a fraction to an irreducible fraction ". </em>

Here we are given a fraction as:

\dfrac{66}{81}

As both the numerator and denominator are divisible by a factor of 3 hence we take out the common factor and obtain the reduced fraction which is further irreducible.

As 66=3×22  and 81=3×27

Hence \dfrac{66}{81}=\dfrac{3\times22}{3\times27}=\dfrac{22}{27}

Hence the simplification of \dfrac{66}{81} is \dfrac{22}{27}

8 0
3 years ago
Jane took a test. The test had 130 questions. All the questions have equal value. She answered 104 questions correctly. What per
nasty-shy [4]

Answer:

78% u have to do 130-26=104 then find a number that makes 26 = to 104

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A colony of 23,000 bacteria doubles in size every 267 minutes. What will the population be 534 minutes from now?
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Answer:

92000

Step-by-step explanation:

Since you are asking in 534 minutes, that means it will double twice.

23000 * 2 * 2 = 92000

7 0
3 years ago
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