Please answer quick, in the picture)

Mathematics

2 answers:

mihalych1998 [28]2 years ago

7 0

Step-by-step explanation:

Given

$for \: a) \\ = \frac{ {x}^{8} }{ {x}^{2} } \\ = {x}^{8 - 2} \\ = {x}^{6} \\ now \: for \: b \:) \\ \frac{ {y}^{5} }{ {y}^{4} } \\ = {y}^{5 - 4} \\ = y$

Hope it will help :)

Amanda [17]2 years ago

4 0

A = x^6
b=y
when dividing powers, you minus them

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What is the area of the regular pentagon below?

wolverine [178]

Answer:

21yd^2

Step-by-step explanation:

join the centre to all the vertex,

since this figure is of regular pentagon, it's will form 5 equal triangle of equal area!

now area of one such triangle is

1/2 ×base ×height

=1/2 ×3.5x2.4 (yd^2)

=4.2 yd^2

now the pentagon is sum of 5 such equal triangle,so it's are will be

5×4.2 (yd^2)

=21 yd^2

✌️:)

7 0

3 years ago

Which transformations can be used to map a triangle with vertices A(2, 2), B(4, 1), C(4, 5) to A’(–2, –2), B’(–1, –4), C’(–5, –4

jek_recluse [69]

Notice that every pair of point (x, y) in the original picture, has become (-y, -x) in the transformed figure.

Let ABC be first transformed onto A"B"C" by a 90° clockwise rotation.

Notice that B(4, 1) is mapped onto B''(1, -4). So the rule mapping ABC to A"B"C" is (x, y)→(y, -x)

so we are very close to (-y, -x).

The transformation that maps (y, -x) to (-y, -x) is a reflection with respect to the y-axis. Notice that the 2. coordinate is same, but the first coordinates are opposite.

ANSWER:

"a 90 clockwise rotation about the origin and a reflection over the y-axis"