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3 years ago

Which point would map onto itself after a reflection across the line y = –x?

Mathematics

1 answer:

Rudiy273 years ago

5 0

Answer:

+x=-y

Step-by-step explanation:

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Tell whether each set of numbers in the box below can represent the side lengths of a triangle. answers attached

AysviL [449]

Answer:

Step-by-step explanation:

a no

b yes

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3 years ago

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Oksi-84 [34.3K]

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3 years ago

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Write the given trinomial if possible as a square of a binomial or as an expression opposite to a square of a binomial: 15ab-9a^

MrMuchimi

Answer:

$- \bigg(3a - \frac{5}{2} b) \bigg)^{2}$

Step-by-step explanation:

$15ab-9a^2-6 \frac{1}{4} b^2 \\ \\ = 15ab-(3a)^2-\frac{6 \times 4 + 1}{4} b^2 \\ \\ = 15ab-(3a)^2-\frac{24+ 1}{4} b^2 \\ \\ = 15ab-(3a)^2-\frac{25}{4} b^2 \\ \\ = 15ab- (3a)^2- \bigg(\frac{5}{2} b \bigg)^2 \\ \\ = - \{ - 15ab + (3a)^2 + \bigg(\frac{5}{2} b \bigg)^2 \} \\ \\ = - \{ (3a)^2 + \bigg(\frac{5}{2} b \bigg)^2 - 15ab \} \\ \\ = - \bigg(3a - \frac{5}{2} b \bigg)^{2}$

3 0

3 years ago

Someone do this please

miskamm [114]

Answer: 102 degrees

Step-by-step explanation:

The remote angle theorem is that two remote angles are equivalent to the exterior angle. Both 51 degrees are remote angles, and angle 4 is the exterior.

51 + 51 = Angle 4

Angle 4 = 102 degrees

7 0

2 years ago

PLEASE HELLLLLLLLLLP !

NeX [460]

Answer:

112°

Step-by-step explanation:

The angle at Q is half the measure of intercepted arc GFE. The measure of that arc is ...

360° -78° -58° = 224°

Half that measure is ...

∠Q = 224°/2 = 112°

4 0

3 years ago