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mylen [45]
3 years ago
8

(xy + 9y + 2) and (xy – 3)

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0

Answer:

x^2y^2 +9xy^2-xy-27y-6

Step-by-step explanation:

(xy+9y+2) (xy-3)

Each term of second bracket will be multiplied with the terms of first bracket

= xy(xy+9y+2) -3(xy+9y+2)

= x^2y^2+9xy^2+2xy-3xy-27y-6

=x^2y^2+9xy^2-xy-27y-6

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You bought a car 3 years ago for $12000. If its value decreases by 17% each year, how much is your car worth now?
Mrac [35]

Answer: $‭6,861.44

Step-by-step explanation:

Car was bought 3 years ago for $12,000.

Value decreases by 17% every year.

Current value is:

= 12,000 * (1 - 17%)³

= $‭6,861.44

8 0
3 years ago
Only find the vertex and axis of symmetry
lara [203]

Answer:

vertex (5,2)

axis of symmetry: x=5

Step-by-step explanation:

vertex (h,k)

y = a(x - h)² + k

f(x)=(x-5)²+2        a = 1     h = 5      k = 2

vertex (5 , 2)

The axis of symmetry always passes through the vertex of the parabola. The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.

x = 5

5 0
3 years ago
Simplify completely. 10 points (:
zubka84 [21]

Answer:

2y^4√5

Step-by-step explanation:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

hope i helped :) !!!!!!!

brainliest !??!

8 0
4 years ago
Read 2 more answers
HELP ASAP I"M JUST TRYING TO GET GOOD GRADES NO LIES EITHER!!
attashe74 [19]

Answer:

C and D

Step-by-step explanation:

If you subtract 2.5 from 16.2 you would get 13.7 same for 19.25.It would then equal 16.75

Therefore C and D are correct :)

6 0
3 years ago
I suck at math can someone help. ;-;
Lelu [443]
2a
3c
4b

Cross multiply for 2

Put 4x-5=3x-10 and subtract 3 on both sides. After that add 10 to both sides for 3

Divide everything by 5 and multiply everything by -2 for 4

8 0
3 years ago
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