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2 years ago

Please I need to know if its true or false please lmk!!!

Mathematics

2 answers:

Papessa [141]2 years ago

7 0

Answer:

False

Step-by-step explanation:

<u>According to the complex conjugate root theorem:</u>

if a complex number is a root of a polynomial, its conjugate is also the root of the polynomial

We are given all the roots of the polynomial and there is only one complex root

Since according to the complex conjugate root theorem, there can be either none or at least 2 complex roots of a polynomial

We can say that this set of roots of a polynomial is incorrect

prisoha [69]2 years ago

7 0

Answer:

False

Step-by-step explanation:

As the other guy/gal said,

It can only have 2 or 0 roots.

As it has 5 roots,

The statement is false.

I hope this helps you :)

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2 years ago

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The energy released by metabolism of 1 average candy bar is 1 x 10^6 joules.

Elis [28]

Answer: 32

Step-by-step explanation:

Given: The energy needed for 1 hour of running for an adult $=4.5\times10^6\ joules.$

Therefore. the energy needed for seven hours of running= $=7\times4.5\times10^6\ joules.=31.5\times10^6\ joules$

Since, he energy released by metabolism of 1 average candy bar $=1\times10^6\ joules.$

Therefore, the number of candy bars an adult need to eat to supply the energy needed for seven hours of running.= $\frac{31.5\times10^6}{1\times10^6}=31.5\approx32$

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2 years ago

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Nina [5.8K]

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2 years ago

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Simplify. 5x^3/(7x^3+x^4)

Mashutka [201]

Hello,

$\frac{5 x^{3} }{7 x^{3} + x^{4} } = \frac{5 x^{3} }{x^{3}(7+x) }=\frac{5} {7+x}$

Answer Almost A with parenthesis

5/(7+x)

6 0

2 years ago

F(x) = x+ + 3<br> g(x) = 4x - 3<br> Given the functions below find (f*g)(-1)

Mashutka [201]

(f×g)(-1) is -14.

Step-by-step explanation:

Step 1: Calculate (f×g)(x) by using the formula (f×g)(x) = f(x) × g(x)

⇒ (f×g)(x) = (x + 3)(4x - 3)

⇒ (f×g)(x) = 4x² - 3x + 12x - 9

⇒ (f×g)(x) = 4x² + 9x - 9

Step 2: Find (f×g)(-1) by substituting -1 in the place of x

⇒ (f×g)(-1) = 4(-1)² + 9(-1) - 9

⇒ (f×g)(-1) = 4 - 9 - 9 =-14

3 0

2 years ago

Please I need to know if its true or false please lmk!!!​

Please I need to know if its true or false please lmk!!!