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NNADVOKAT [17]
4 years ago
7

Could u answer all and explain it to me?

Mathematics
1 answer:
Oksi-84 [34.3K]4 years ago
3 0
I got the same book with those same answers ima bout to get it ok

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Of the following transformation types, which are examples of isometry?
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Isometry means lengths are preserved, and hence shapes must remain congruent.

Any dilation, stretching, etc are therefore excluded.

The transformations on the list that are examples of isometry are therefore:
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Which of the following is an example of the difference of two squares
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Complete Question: Which of the following is an example of the difference of two​ squares?

A x² − 9

B x³ − 9

C (x + 9)²

D (x − 9)²

Answer:

A. x^2 - 9.

Step-by-step explanation:

An easy way to spot an expression that is a difference of two squares is to note that the first term and the second term in the expression are both perfect squares. Both terms usually have the negative sign between them.

Thus, difference of two squares takes the following form: a^2 - b^2 = (a + b)(a - b).

a² and b² are perfect squares. Expanding (a + b)(a - b) will give us a^2 - b^2.

Therefore, an example of the difference of two squares, from the given options, is x^2 - 9.

x^2 - 9 can be factorised as x^2 - 3^2 = (x + 3)(x - 3).

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Tanya bought two adult tickets and one children's ticket to a movie for $15.90. Li bought four adult tickets and four children's
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The answer, hopefully you will understand

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