Help me plz! if you can

Mathematics

1 answer:

IgorLugansk [536]3 years ago

3 0

Answer: 180/540
Simplified term would be 1/3
The answer is b

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If anyone knows this please help me. Please answer only if you know. Thanks! more points for you if answered!

Sauron [17]

1a) Possible rational roots will be of the form
±{divisor of 10}/{divisor of 4}
Divisors of 10 are {1, 2, 5, 10}
Divisors of 4 are {1, 2, 4}

Then possible rational roots are
{±1/4, ±1/2, ±1, ±5/4, ±2, ±5/2, ±5, ±10}

1b) Your answer is correct.

2) One additional root will be the conjuate of the given complex root.
5 -3i

3) If one root is 5 -√7, another will be 5 +√7. Then your polynomial is
P(x) = (x -(5 -√7))*(x -(5 +√7)) = (x -5)^2 -(√7)^2
P(x) = x^2 -10x +18

3 0

3 years ago

X+7/(7×+35)*(×^2-3×-40)/×-8

Leona [35]

I think it would be (x+7)/7

4 0

3 years ago

Read 2 more answers

40% of Oatypop cereal boxes contain a prize. Hannah plans to keep buying cereal until she gets a prize. What is the probability

aleksley [76]

Answer:

$(0.6)^{n}+n(0.4)(0.6)^{n-1}+\frac{n(n-1)(0.4)^{2}0.6^{n-2}}{2} +\frac{n(n-1)(n-2)0.4^{3}0.6^{n-3}}{6}$