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dezoksy [38]
3 years ago
12

Solve the system of equations.

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

Answer:(1,4) and (3,12)

Step-by-step explanation

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6 0
3 years ago
Please help asap<br><br> solve x^4+5x^2+4=0
const2013 [10]

Answer:

x=\pm i\text{ or }x=\pm2i

Step-by-step explanation:

So we have the equation:

x^4+5x^2+4=0

Let's let u be equal to x². So:

u^2+5u+4=0

Factor:

(u+1)(u+4)=0

Zero Product Property:

u+1=0\text{ or } u+4=0

Subtract:

u=-1\text{ or }u=-4

Replace:

x^2=-1\text{ or }x^2=-4

Take square root:

x=\pm\sqrt{-1}\text{ or }x=\pm\sqrt{-4

Simplify:

x=\pm i\text{ or }x=\pm2i

7 0
3 years ago
Write an expression for number 26 if x is an unknown number
hram777 [196]
1.3 bc 8 miss 3 equals 24
5 0
3 years ago
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Can some one please explain this to me
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3 years ago
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Write algebraic expressions for each of the following: a. Multiply n by 5 then add 4. b. Add 4 to n then multiply by 5. c. Add 4
kirza4 [7]

Answer:

A. n5+4   B. (4+n)5  C.(4+n)/5    D.(n*n)3   E. (n*3)  2

Step-by-step explanation:

I am not good at explaining but for E. the 2 will be squared but I am not sure how to type it out so Hope this can help  ;)

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3 years ago
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