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Arlecino [84]
3 years ago
8

What is the solution of the following system of equations? -2x+y-z=-8 2x+2y-z=-3 x-y+2x=7

Mathematics
1 answer:
ivolga24 [154]3 years ago
5 0

Answer:

there is so much going on I can't even answer the question lol.

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At a concert 20% of the audience members were teenagers.If the numbers of teenagers at the concert was 360, what was the total n
puteri [66]

So we know 20% of the audience are teenagers, and there are 360 teenagers.

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3 years ago
Read 2 more answers
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the zeros −3 and 5
love history [14]

Answer:

<em>f(x) = x² (2+i)x-15-3i</em>

Step-by-step explanation:

Since the zeros of the equation are -3 and 5+i, hence the factors of the polynomial in x is (x+3) and (x-(5+i))

Multiplying both factors

f(x) =  (x+3)(x-(5+i))

f(x) = (x²-(5+i)x+3x -3(5+i))

f(x) = x² - (5+i- 3)x -15-3i

f(x) = x² (2+i)x-15-3i

<em>hence the required polynomial function in x is f(x) = x² (2+i)x-15-3i</em>

7 0
3 years ago
Solve for x <br> 2x^2-8x+5=0
ss7ja [257]
X=7 over 8 or 0.875 is the answer
8 0
3 years ago
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