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DIA [1.3K]
3 years ago
9

Factor this trinomial completely.

Mathematics
1 answer:
zmey [24]3 years ago
4 0
First you want to write 7x as a sum or difference: 15x-8x
Now, the expression would look like this: 10x^2+15x-8x-12
Next, factor out the 5x and -4 from the expression: 5x(2x+3)-4(2x+3)
Now, factor out the 2x+3 from the expression and you have your answer:
(2x+3)(5x-4)
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Write a + - x or ÷ sign in each box to make the equation true <br><br> 7 18 45 3 2 = 139
irina [24]
I mean, I don't know how to explain a generic way to solve this. Ask me about the specific train of thought if you are interested:

7 * 18 + 45 / 3 - 2 = 139
4 0
3 years ago
How to solve slope intercept from information
slamgirl [31]

Answer:

Y=MX+B is the intercept formula

Step-by-step explanation:

Y=Y

M= slope

x= x-value

B= y intercept

8 0
3 years ago
Urgent answer please <br> Ax+ay+xa+ya
marin [14]

Answer:

Possible derivation:

d/dx(a x + a y(x) + x a + y(x) a)

Rewrite the expression: a x + a y(x) + x a + y(x) a = 2 a x + 2 a y(x):

= d/dx(2 a x + 2 a y(x))

Differentiate the sum term by term and factor out constants:

= 2 a (d/dx(x)) + 2 a (d/dx(y(x)))

The derivative of x is 1:

= 2 a (d/dx(y(x))) + 1 2 a

Using the chain rule, d/dx(y(x)) = (dy(u))/(du) (du)/(dx), where u = x and d/(du)(y(u)) = y'(u):

= 2 a + d/dx(x) y'(x) 2 a

The derivative of x is 1:

= 2 a + 1 2 a y'(x)

Simplify the expression:

= 2 a + 2 a y'(x)

Simplify the expression:

Answer:  = 2 a

Step-by-step explanation:

8 0
3 years ago
I NEED THE ANSWERS FOR EACH PROBLEM
viktelen [127]

Answer:

  1. A = 5
  2. B = 15
  3. C = 6
  4. D = 4
  5. E = 6
  6. F = 15
  7. G = 1
  8. H = 8
  9. I = 8
  10. J = 8
  11. K = 7
  12. L = 10
  13. M = 8
  14. N = 3
  15. O = 0.2
  16. P = 21
  17. Q = 30
  18. R = 4
  19. S = 7
  20. T = 3
  21. U = 6
  22. V = 50
  23. W = 5
  24. X = 4
  25. Y = 4

Hope This helps!

3 0
2 years ago
Read 2 more answers
In a recent year, 21% of all college students were enrolled part-time. If 7.6 million college students were enrolled part-time t
Blizzard [7]

Answer:

36.19047619 million

or 36,190,476 students

Step-by-step explanation:

7.6 million / all students = 21% / 100%

7.6 * 100 / 21 = 36.19047619

36.19047619 million

or 36,190,476 students

8 0
2 years ago
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