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2 years ago

Mathematics is troublesome, help

Mathematics

1 answer:

Sholpan [36]2 years ago

5 0

Calculator estimates 4/13 is .3076 and 3/10 to be .3 so 4/13 is larger
3/10 is rational because decimal can be predicted unlike 4/13 which keeps going

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Find the volume of this triangular prism.

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Answer:

7 * 4 * 12 = 336sq cm

Step-by-step explanation:

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2 years ago

A group of veterinarians at a major veterinary hospital was interested in investigating a possible link between enteroliths, sto

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3 years ago

Factor the trinomial: <br>x^2-8x-33<br><br>please help I'm stumped

Anon25 [30]

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(x-11)(x+3)

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2 years ago

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Ira Lisetskai [31]

Answer:

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Step-by-step explanation:

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2 years ago

Without using a calculator, determine the number of real zeros of the function

kumpel [21]

The number of real zeros of the function f(x) = x3 + 4x2 + x − 6 is 3

<h3>How to determine the number of real zeros?</h3>

The equation of the function is given as:

$f(x) = x^3 + 4x^2 + x - 6$

Expand the function

$f(x) = x^3 + 5x^2 - x^2 + 6x - 5x - 6$

Reorder the terms

$f(x) = x^3 + 5x^2 + 6x - x^2 - 5x - 6$

Factor the expression

$f(x) = x(x^2 + 5x + 6) -1(x^2 + 5x + 6)$

Factor out x -1

$f(x) = (x^2 + 5x + 6)(x -1)$

Expand

$f(x) = (x^2 + 3x + 2x + 6)(x -1)$

Factorize

$f(x) = [x(x + 3) + 2(x + 3)](x - 1)$

Factor out x + 2

$f(x) = (x + 3)(x + 2)(x- 1)$

The function has been completely factored and it has 3 linear factors

Hence, the number of real zeros of the function f(x) = x3 + 4x2 + x − 6 is 3