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Gnom [1K]
3 years ago
12

169a2-52a-65b-196b2​

Mathematics
1 answer:
Kobotan [32]3 years ago
3 0

Answer:

13\left(13a^{2}-4a-5b-15b^{2}\right)

Step-by-step explanation:

factored 13

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Which construction can you use to prove the Pythagorean Theorem based on similarity of triangles?
Rashid [163]

The construction that you can use to prove the Pythagorean Theorem based on similarity of triangles is 2nd construction. Please see the attached file.

 

To add, in mathematics, the Pythagorean theorem, also known as Pythagoras's theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It mentions that the sum of the squares of the other two sides is equal to the square of the hypotenuse (the side opposite the right angle).

4 0
3 years ago
Read 2 more answers
AB = 6x DC = x + 15 AD = 9 BC = 3y Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Show tha
ra1l [238]

Answer:

Therefore the lengths of the opposite side pairs.

C) 18, 9

Step-by-step explanation:

Given:

Quadrilateral ABCD is a parallelogram

AB = 6x

DC = x + 15

AD = 9

BC = 3y

TO Find:

AB = ?

BC = ?

Solution:

Quadrilateral ABCD is a parallelogram ..........Given

∴ Both pairs of opposite sides of a Parallelogram are congruent.

∴ AB = DC   and AD = BC

substituting the values we get

6x=x+15\\6x-x=15\\5x=15\\x=\dfrac{15}{5}\\ x=3\\and\\9=3y\\y=\dfrac{9}{3}\\ y=3

substituting the x' and 'y' values we get

AB= 6\times 3=18\\and\\BC=3\times 3=9

Therefore the lengths of the opposite side pairs.

C) 18, 9

3 0
3 years ago
. One half of a number represented by x is -0.25. What is the value of x?
Jlenok [28]
Of means multiply
is means equals

1/2 • x = -.25

Rewritten

.5•x=-.25

Inverse operations to isolate the variable.

x = -.25/.5

x = -.5
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Your answer will be D.

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