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Trava [24]
3 years ago
8

Factor 13y 2 - 5yx - 8x 2

Mathematics
2 answers:
Aloiza [94]3 years ago
5 0
= 13y^2 -13xy + 8xy - 8x^2

=  13y(y - x) + 8x(y - x)

=  (13y + 8x)(y - x)
sveticcg [70]3 years ago
3 0
Factor the expression and your answer would be 
- (5xy + 16x - 26y)
hope this helps
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The sum of the angle measures of a polygon with n sides is 1800. find n
Lilit [14]
The summation of the angle measures of a polygon is given by:
180(n - 2).
Thus, we need to find: 1800 = 180(n - 2)
10 = n - 2
n = 12

Therefore, the shape is a dodecagon, and the number of sides it has is 12.
5 0
3 years ago
( x - 2 ) ( x + 2 ) ( x bình + 4 ) - ( x bình - 2 ) ( x bình + 3 )
kifflom [539]

Answer:

( x - 2 ) ( x + 2 ) ( x² + 4 ) - ( x² - 2 ) ( x² + 3 )

(x²– 4) (x²+4) – (x⁴ + x² – 6)

( x⁴ – 16 ) – ( x⁴ + x² – 6 )

( x⁴ – 16 ) + ( – x⁴ – x² + 6 )

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I hope I helped you^_^

5 0
3 years ago
A group of four boys (Alex, Bryan, Chris, and David) and five girls (Megan, Nancy, Olivia, Pauline, and Rebecc?
aliina [53]

Answer:

a) P = 362880 ways

b) P = 2880 ways

Step-by-step explanation:

a) We have four boys and five girls, they are going to sit together in a row of 9 theater seats, without restrictions

We have a permutation of 9 elements

P = 9!

P = 9*8*7*6*5*4*3*2*1

P = 362880 ways

b) Boys must seat together, we have two groups of people

4 boys  they can seat in 4! different ways

P₁ = 4!

P₁ = 4*3*2*1

P₁ = 24

And girls can seat in 5! dfferent ways

P₂ = 5!

P₂ = 5*4*3*2*1

P₂ = 120

To get total ways in the above mentioned condition, we have to multiply P₁*P₂

P = 24*120

P = 2880 ways

4 0
2 years ago
Simplify each of the following powers of i. i^99=
Scorpion4ik [409]
I= sqrt (-1)

If the power is
- even then the value could be -1 or 1
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99 is odd so now is
-i if (99+1)/2 is even or is
i is (99+1)/2 is odd

Now check (99+1)/2= 100/2= 50,
50 is even so
i^99 = -i
8 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP WILL GIVE BRAINLIEST
Digiron [165]

Answer:

6 mm  slope 3

Step-by-step explanation:

4 0
2 years ago
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