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Pachacha [2.7K]
3 years ago
9

How do I do this problem?

Mathematics
1 answer:
Vikentia [17]3 years ago
8 0
You use the distributive property and multiple everything inside of the parentheses by 2x^2 then everything in the parentheses by y to get 2x^4y-6x^3y^2+16x^2y^3. I think that’s the answer and I hope that helped!
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When a number is increased by 40 % it gives 84. Find the original number
Julli [10]
I believe the answer is $33.60?
3 0
3 years ago
Read 2 more answers
What is -2(4n - 1) +15<br> I think that it is -8n - 13 but i am not sure plz help
ANEK [815]

Answer: Your right!

-8n-13

Step-by-step explanation:

-2(4n-1)+15=

-8n+2-15

Combine like terms- 2-5= -13

so -8n-13

8 0
2 years ago
Calculate the value of 18(-3)
Anon25 [30]

Answer:

-54

Step-by-step explanation:

4 0
2 years ago
If x = y, find the value of 8 + 5(x - y)
uranmaximum [27]

Answer:

=8

Step-by-step explanation:

Evaluate for x=y,y=x

8+5(x−x)

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3 0
2 years ago
Find an equation of the circle that has center (-1,2) and passes through (5,-4).
kherson [118]
General equation for a circle
(x - a)² + (y - b)² = r²
with (a,b) represents the center, (x,y) represents one of the points lie on the circle, and r represents the radius

Determine r² by substituting the points into the general equation
(x - a)² + (y - b)² = r²
(5 - (-1))² + (-4 - 2)² = r²
(5 + 1)² + (-6)² = r²
6² + 36 = r²
36 + 36 = r²
72 = r²

Determine the equation of the circle
(x - a)² + (y - b)² = r²
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(x + 1)² + (y - 2)² = 72 (This is the equation of the circle)
8 0
2 years ago
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