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Lady bird [3.3K]
3 years ago
11

Find the solution of this system of equations 2x - 2y = -20 - 2x + 4y - 14 Enter the correct answer.​

Mathematics
1 answer:
TEA [102]3 years ago
8 0

Answer:

x=3/2y+-17/2

Step-by-step explanation:

Hope this helped. :)

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Find dy/dx for (y^2/x) = 18 by implicit differentiation
Natasha2012 [34]

9514 1404 393

Answer:

  dy/dx = y/(2x)

Step-by-step explanation:

The product formula can be used, along with the power rule.

  d(uv) = du·v +u·dv

__

  d(y^2/x) = d(18)

  2y·dy/x -y^2/x^2·dx = 0

  2x·dy -y·dx = 0 . . . . . . . . multiply by x^2/y

  dy/dx = y/(2x) . . . . . . . . add y·dx, divide by 2x·dx

6 0
2 years ago
Robert places $500.00 in the bank for 5 years at a rate of 12%. How much interest will he earn at the end of the five years?
borishaifa [10]

Answer:

i got 97.6 but i might be wrong

Step-by-step explanation:

5x+12=500

minus 12 with 500 and then u divide the answer by 5x

3 0
3 years ago
Suppose you buy flour and cornmeal in bulk to make flour tortillas and corn tortillas. Flour costs $1.50/lb. Cornmeal costs $2.5
Svetlanka [38]
I suppose the answer is b. Graph the system to show all possible solutions
8 0
3 years ago
What is the distance between z 1 = 2 + 9i and z 2 = 2 - 4i?
Lapatulllka [165]
Distance formula: SR (A^2+B^2)
SR [(2+9i)^2 + (2-4i)^2] =
SR [4 + 18i + 81i^2 + 4 - 8i + 16i^2] =
SR [8 + 10i + 97i^2]
6 0
3 years ago
Find all solutions in radian [0,2pi) solve 4sinx= -cos^2x +4
Sphinxa [80]
I hope this helps you


-cos²x= sin²x-1


4.sinx = sin²x-1+4


sin²x-4.sinx +3=0


(sinx-3)(sinx-1)=0


sinx≠3


sinx =1


SİN90=1


8 0
3 years ago
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