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tester [92]
3 years ago
11

Can you please answer this qiestion for me.

Mathematics
1 answer:
Bess [88]3 years ago
8 0
A=1/(2s) * (v²-u²)




.......,.........
..


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Consider the polynomial f(x) = 5x4+ 3x2+ x + 19. How many complex solutions does the polynomial have?
antiseptic1488 [7]

Answer:

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Step-by-step explanation:

1. Descarte's rule of signs tells you there are 0 positive real roots and 0 or 2 negative real roots. (for positive x, signs are ++++ so have no changes; for negative x, signs are ++-+, so have 2 changes.) A graph shows no real roots.

2. There are 3 sign changes in the given polynomial, so 3 or 1 positive real roots. When the sign of x is changed, there are 2 sign changes, so 0 or 2 negative real roots. A graph shows 2 negative and one positive real root (for a total of 3), so the remaining 2 roots are complex.

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Dahasolnce [82]

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The difference between the longest and shortest sides must be less than the middle side.

l+a = 11

l < (a + 4) ... l < (11 - l + 4)

... 2 l < 15 ... l <  7.5

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l = 7 (Longest Side/Answer)

a = 4 (Other Missing Length)

m = 4 (Side Given)

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The area of a garden is 12.9 square feet. each square foot of the garden needs to have 2.6 pounds of soil. how many pounds of so
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130

Step-by-step explanation:

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